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mt5cli/tests/test_history.py
T
Daichi Narushima d156dd7176 [codex] fix mt5 adapter APIs (#36) 
* fix mt5 adapter APIs

* address PR feedback

* fix zero ratio minimum volume sizing

* Bump version to v0.8.0
2026-06-15 02:47:05 +09:00

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"""Tests for mt5cli.history module."""
from __future__ import annotations
import logging
import sqlite3
from datetime import UTC, datetime
from typing import TYPE_CHECKING
from unittest.mock import MagicMock
import pandas as pd
import pytest
from pytest_mock import MockerFixture # noqa: TC002
if TYPE_CHECKING:
from pathlib import Path
from mt5cli import history
from mt5cli.history import (
DEFAULT_HISTORY_TIMEFRAMES,
DedupScope,
RateTarget,
append_dataframe,
augment_written_columns_from_sqlite,
build_rate_targets,
build_rate_view_name,
create_cash_events_view,
create_history_indexes,
create_positions_reconstructed_view,
create_rate_compatibility_views,
deduplicate_history_tables,
drop_duplicates_in_table,
drop_forming_rate_bar,
filter_incremental_history_deals_frame,
filter_trade_history_frame,
get_history_deals_account_event_start_datetime,
get_incremental_start_datetime,
get_table_columns,
load_incremental_start_datetimes,
load_rate_data,
load_rate_data_from_connection,
load_rate_series_by_granularity,
load_rate_series_from_sqlite,
parse_sqlite_timestamp,
quote_sqlite_identifier,
record_written_columns,
resolve_granularity_name,
resolve_history_datasets,
resolve_history_tick_flags,
resolve_history_timeframes,
resolve_rate_table_name,
resolve_rate_tables,
resolve_rate_view_name,
resolve_rate_view_names,
write_collected_datasets,
write_history_dataset,
write_incremental_datasets,
write_rates_dataset,
write_streamed_frame,
)
from mt5cli.utils import TIMEFRAME_MAP, Dataset, IfExists
class TestResolveRateViewName:
"""Tests for resolve_rate_view_name and resolve_rate_view_names."""
def test_resolve_rate_table_name_returns_normalized_table(self) -> None:
"""Test canonical normalized rates table name is stable."""
assert resolve_rate_table_name("EURUSD", "M1") == "rates"
def test_resolve_rate_table_name_rejects_empty_symbol(self) -> None:
"""Test canonical rate table resolution validates symbols."""
with pytest.raises(ValueError, match="symbol must not be empty"):
resolve_rate_table_name(" ", "M1")
def test_missing_database_path_does_not_create_file(self, tmp_path: Path) -> None:
"""Test resolving against a missing path does not create a database."""
db_path = tmp_path / "missing.db"
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__1"
assert not db_path.exists()
def test_none_path_returns_default_name(self) -> None:
"""Test a None connection or path returns the deterministic default."""
assert resolve_rate_view_name(None, "EURUSD", "M1") == "rate_EURUSD__1"
assert resolve_rate_view_names(None, ["EURUSD"], ["M1", "H1"]) == [
"rate_EURUSD__1",
"rate_EURUSD__16385",
]
def test_none_path_with_require_existing_raises(self) -> None:
"""Test a None path under strict mode raises a clear error."""
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_view_name(None, "EURUSD", "M1", require_existing=True)
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_view_names(None, ["EURUSD"], ["M1"], require_existing=True)
def test_no_rates_table_falls_back_to_single_timeframe_name(
self,
tmp_path: Path,
) -> None:
"""Test databases without a rates table use single-timeframe naming."""
db_path = tmp_path / "no-rates.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(symbol TEXT, time TEXT)")
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__1"
def test_single_timeframe_for_one_symbol(self, tmp_path: Path) -> None:
"""Test one stored timeframe resolves to the short view name."""
db_path = tmp_path / "single-timeframe.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__1"
def test_multiple_timeframes_for_one_symbol(self, tmp_path: Path) -> None:
"""Test multiple stored timeframes resolve to disambiguated view names."""
db_path = tmp_path / "multi-timeframe.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", TIMEFRAME_MAP["H1"], "2024-01-01T01:00:00+00:00", 1.1),
],
)
create_rate_compatibility_views(conn)
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__M1_1"
assert (
resolve_rate_view_name(db_path, "EURUSD", "H1") == "rate_EURUSD__H1_16385"
)
def test_prefers_multi_name_when_both_candidate_views_exist(
self,
tmp_path: Path,
) -> None:
"""Test multi-timeframe metadata wins over stale single-timeframe views."""
db_path = tmp_path / "stale-and-current-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", TIMEFRAME_MAP["H1"], "2024-01-01T01:00:00+00:00", 1.1),
],
)
conn.execute(
'CREATE VIEW "rate_EURUSD__1" AS'
" SELECT time, close FROM rates"
" WHERE symbol = 'EURUSD' AND timeframe = 1",
)
conn.execute(
'CREATE VIEW "rate_EURUSD__M1_1" AS'
" SELECT time, close FROM rates"
" WHERE symbol = 'EURUSD' AND timeframe = 1",
)
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__M1_1"
def test_prefers_existing_view_when_metadata_unavailable(
self,
tmp_path: Path,
) -> None:
"""Test an existing managed view is preferred without rates metadata."""
db_path = tmp_path / "view-only.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(symbol TEXT, time TEXT)")
conn.execute('CREATE VIEW "rate_EURUSD__M1_1" AS SELECT 1 AS close')
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__M1_1"
def test_symbol_absent_from_rates_metadata_uses_candidate_pair(
self,
tmp_path: Path,
) -> None:
"""Test symbols missing from rates metadata still resolve known views."""
db_path = tmp_path / "other-symbol-only.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("GBPUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
conn.execute(
'CREATE VIEW "rate_EURUSD__1" AS'
" SELECT time, close FROM rates"
" WHERE symbol = 'EURUSD' AND timeframe = 1",
)
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__1"
def test_ignores_non_compatibility_rate_views(self, tmp_path: Path) -> None:
"""Test unrelated rate_* views without the __ separator are ignored."""
db_path = tmp_path / "summary-view.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(symbol TEXT, time TEXT)")
conn.execute('CREATE VIEW "rate_summary" AS SELECT 1 AS close')
assert resolve_rate_view_name(db_path, "EURUSD", "M1") == "rate_EURUSD__1"
def test_invalid_granularity_propagates_value_error(self, tmp_path: Path) -> None:
"""Test invalid granularities raise ValueError from parse_timeframe."""
with pytest.raises(ValueError, match="Invalid timeframe"):
resolve_rate_view_name(tmp_path / "unused.db", "EURUSD", "BAD")
with pytest.raises(ValueError, match="Invalid timeframe"):
resolve_rate_view_names(tmp_path / "unused.db", ["EURUSD"], ["BAD"])
def test_resolve_rate_view_names_for_multiple_pairs(self, tmp_path: Path) -> None:
"""Test batch resolution returns row-major symbol/granularity pairs."""
db_path = tmp_path / "batch-resolve.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", TIMEFRAME_MAP["H1"], "2024-01-01T01:00:00+00:00", 1.1),
("GBPUSD", 1, "2024-01-01T00:00:00+00:00", 1.2),
],
)
create_rate_compatibility_views(conn)
assert resolve_rate_view_names(
db_path,
["EURUSD", "GBPUSD"],
["M1", "H1"],
) == [
"rate_EURUSD__M1_1",
"rate_EURUSD__H1_16385",
"rate_GBPUSD__1",
"rate_GBPUSD__16385",
]
@pytest.mark.parametrize(
"symbol",
["EUR/USD", "US500.cash", "#US500"],
)
def test_supports_broker_specific_symbols(
self,
tmp_path: Path,
symbol: str,
) -> None:
"""Test broker-specific symbols resolve to safely created view names."""
db_path = tmp_path / "broker-symbol-resolve.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
(symbol, 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert resolve_rate_view_name(db_path, symbol, "M1") == build_rate_view_name(
symbol=symbol,
granularity="M1",
granularity_count=1,
timeframe=1,
)
def test_accepts_open_sqlite_connection(self, tmp_path: Path) -> None:
"""Test resolver accepts an already-open SQLite connection."""
db_path = tmp_path / "open-connection.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert resolve_rate_view_name(conn, "EURUSD", "M1") == "rate_EURUSD__1"
def test_require_existing_raises_when_database_missing(
self,
tmp_path: Path,
) -> None:
"""Test strict mode rejects missing database paths."""
db_path = tmp_path / "missing.db"
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_view_name(
db_path,
"EURUSD",
"M1",
require_existing=True,
)
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_view_names(
db_path,
["EURUSD"],
["M1"],
require_existing=True,
)
def test_require_existing_raises_when_view_missing(self, tmp_path: Path) -> None:
"""Test strict mode rejects databases without matching rate views."""
db_path = tmp_path / "no-view.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(symbol TEXT, time TEXT)")
with pytest.raises(ValueError, match="No rate compatibility view exists"):
resolve_rate_view_name(
db_path,
"EURUSD",
"M1",
require_existing=True,
)
with pytest.raises(ValueError, match="No rate compatibility view exists"):
resolve_rate_view_names(
db_path,
["EURUSD"],
["M1"],
require_existing=True,
)
def test_require_existing_returns_existing_view(self, tmp_path: Path) -> None:
"""Test strict mode returns a view when one exists."""
db_path = tmp_path / "existing-view.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert (
resolve_rate_view_name(
db_path,
"EURUSD",
"M1",
require_existing=True,
)
== "rate_EURUSD__1"
)
assert resolve_rate_view_names(
db_path,
["EURUSD"],
["M1"],
require_existing=True,
) == ["rate_EURUSD__1"]
class TestQuoteSqliteIdentifier:
"""Tests for quote_sqlite_identifier."""
@pytest.mark.parametrize(
"symbol",
["EUR/USD", "US500.cash", "#US500"],
)
def test_quotes_broker_specific_symbols(self, symbol: str) -> None:
"""Test broker-specific symbols are safely quoted."""
quoted = quote_sqlite_identifier(f"rate_{symbol}")
assert quoted.startswith('"')
assert quoted.endswith('"')
class TestLoadRateData:
"""Tests for SQLite rate-like table and view loading."""
def test_loads_close_rates_from_path_with_count(self, tmp_path: Path) -> None:
"""Test loading the latest close-based rates in ascending time order."""
db_path = tmp_path / "rates.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT, close REAL)")
conn.executemany(
"INSERT INTO rates(time, close) VALUES (?, ?)",
[
("2024-01-01T00:00:00+00:00", 1.0),
("2024-01-01T00:02:00+00:00", 1.2),
("2024-01-01T00:01:00+00:00", 1.1),
],
)
frame = load_rate_data(db_path, "rates", count=2)
assert list(frame["close"]) == [1.1, 1.2]
assert isinstance(frame.index, pd.DatetimeIndex)
assert frame.index.name == "time"
assert frame.index.is_monotonic_increasing
def test_loads_ask_bid_tick_like_rates_from_connection(
self,
tmp_path: Path,
) -> None:
"""Test loading tick-like tables with bid and ask columns."""
db_path = tmp_path / "ticks.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(time TEXT, bid REAL, ask REAL)")
conn.execute(
"INSERT INTO ticks(time, bid, ask) VALUES (?, ?, ?)",
("2024-01-01T00:00:00+00:00", 1.0, 1.1),
)
frame = load_rate_data_from_connection(conn, "ticks")
path_frame = load_rate_data(conn, "ticks")
assert frame.iloc[0].to_dict() == {"bid": 1.0, "ask": 1.1}
assert path_frame.iloc[0].to_dict() == {"bid": 1.0, "ask": 1.1}
def test_loads_from_view(self, tmp_path: Path) -> None:
"""Test loading from a SQLite view."""
db_path = tmp_path / "view.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT, close REAL)")
conn.execute(
"INSERT INTO rates(time, close) VALUES (?, ?)",
("2024-01-01T00:00:00+00:00", 1.0),
)
conn.execute("CREATE VIEW rate_view AS SELECT time, close FROM rates")
frame = load_rate_data_from_connection(conn, "rate_view")
assert list(frame["close"]) == [1.0]
def test_load_rate_series_from_sqlite_table_style(
self,
tmp_path: Path,
) -> None:
"""Test public table-style loader returns one rate DataFrame."""
db_path = tmp_path / "table-style.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT, close REAL)")
conn.executemany(
"INSERT INTO rates(time, close) VALUES (?, ?)",
[
("2024-01-01T00:00:00+00:00", 1.0),
("2024-01-01T00:01:00+00:00", 1.1),
],
)
frame = load_rate_series_from_sqlite(db_path, table="rates", count=1)
assert isinstance(frame, pd.DataFrame)
assert list(frame["close"]) == [1.1]
def test_load_rate_series_from_sqlite_requires_targets_without_table(self) -> None:
"""Test multi-series loading requires targets when table is omitted."""
with pytest.raises(ValueError, match="targets are required"):
load_rate_series_from_sqlite("unused.db", count=1)
def test_loads_quoted_identifier(self, tmp_path: Path) -> None:
"""Test table names are quoted safely."""
db_path = tmp_path / "quoted.db"
table = 'rate "quoted"'
quoted = quote_sqlite_identifier(table)
with sqlite3.connect(db_path) as conn:
conn.execute(f"CREATE TABLE {quoted}(time TEXT, close REAL)")
conn.execute(
f"INSERT INTO {quoted}(time, close) VALUES (?, ?)", # noqa: S608
("2024-01-01T00:00:00+00:00", 1.0),
)
frame = load_rate_data_from_connection(conn, table)
assert list(frame["close"]) == [1.0]
def test_rejects_missing_database_and_non_file(self, tmp_path: Path) -> None:
"""Test path validation for SQLite database inputs."""
with pytest.raises(ValueError, match="SQLite database not found"):
load_rate_data(tmp_path / "missing.db", "rates")
with pytest.raises(ValueError, match="not a file"):
load_rate_data(tmp_path, "rates")
@pytest.mark.parametrize(
("table", "count", "match"),
[
("", None, "must not be empty"),
("rates", 0, "count must be positive"),
("rates", -1, "count must be positive"),
],
)
def test_rejects_invalid_inputs(
self,
tmp_path: Path,
table: str,
count: int | None,
match: str,
) -> None:
"""Test request validation."""
db_path = tmp_path / "invalid-inputs.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT, close REAL)")
with pytest.raises(ValueError, match=match):
load_rate_data_from_connection(conn, table, count=count)
@pytest.mark.parametrize(
("ddl", "match"),
[
("CREATE TABLE rates(time TEXT, close REAL)", "contains no rows"),
("CREATE TABLE rates(close REAL)", "time column"),
("CREATE TABLE rates(time TEXT, open REAL)", "close, or both ask and bid"),
],
)
def test_rejects_invalid_tables(
self,
tmp_path: Path,
ddl: str,
match: str,
) -> None:
"""Test missing table, empty table, and invalid schemas."""
db_path = tmp_path / "invalid-tables.db"
with sqlite3.connect(db_path) as conn:
conn.execute(ddl)
with pytest.raises(ValueError, match=match):
load_rate_data_from_connection(conn, "rates")
with pytest.raises(ValueError, match="not found"):
load_rate_data_from_connection(conn, "missing")
def test_rejects_invalid_timestamp(self, tmp_path: Path) -> None:
"""Test unparsable timestamps fail clearly."""
db_path = tmp_path / "invalid-time.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT, close REAL)")
conn.execute("INSERT INTO rates(time, close) VALUES (?, ?)", ("bad", 1.0))
with pytest.raises(ValueError, match="unparsable time"):
load_rate_data_from_connection(conn, "rates")
def test_loads_numeric_mt5_epoch_seconds(self, tmp_path: Path) -> None:
"""Test MT5-native integer timestamps are parsed as epoch seconds."""
db_path = tmp_path / "epoch-rates.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time INTEGER, close REAL)")
conn.execute(
"INSERT INTO rates(time, close) VALUES (?, ?)",
(1_704_067_200, 1.0),
)
frame = load_rate_data_from_connection(conn, "rates")
assert frame.index[0] == pd.Timestamp("2024-01-01", tz="UTC")
assert list(frame["close"]) == [1.0]
class TestResolveHistorySettings:
"""Tests for history dataset and timeframe resolution."""
def test_resolve_history_datasets_defaults_and_empty(self) -> None:
"""Test dataset resolution distinguishes None from empty selection."""
assert resolve_history_datasets(None) == set(Dataset)
assert resolve_history_datasets(set()) == set()
def test_resolve_history_timeframes_defaults(self) -> None:
"""Test default timeframes include all fixed MT5 values."""
resolved = resolve_history_timeframes(None)
assert len(resolved) == len(DEFAULT_HISTORY_TIMEFRAMES)
assert not any(
name.startswith("TIMEFRAME_") for name in DEFAULT_HISTORY_TIMEFRAMES
)
assert 1 in resolved
assert TIMEFRAME_MAP["H1"] in resolved
def test_resolve_history_timeframes_deduplicates_aliases(self) -> None:
"""Test duplicate aliases for the same timeframe are deduplicated."""
assert resolve_history_timeframes(["M1", "1", "H1"]) == [1, TIMEFRAME_MAP["H1"]]
def test_resolve_history_tick_flags(self) -> None:
"""Test tick flag resolution."""
assert resolve_history_tick_flags("ALL") == -1
assert resolve_history_tick_flags(2) == 2
def test_resolve_granularity_name_falls_back_to_integer(self) -> None:
"""Test unknown timeframe constants fall back to integer text."""
assert resolve_granularity_name(999) == "999"
assert resolve_granularity_name(1) == "M1"
def test_resolve_granularity_name_strips_official_prefix(
self,
mocker: MockerFixture,
) -> None:
"""Test official pdmt5 timeframe names are normalized to short aliases."""
mocker.patch(
"mt5cli.history._get_timeframe_name",
return_value="TIMEFRAME_H1",
)
assert resolve_granularity_name(16385) == "H1"
class TestDropFormingRateBar:
"""Tests for drop_forming_rate_bar."""
def test_drops_still_forming_last_bar(self) -> None:
"""Test the still-forming last bar is removed."""
df_rate = pd.DataFrame(
{"time": [1, 2, 3], "close": [1.1, 1.2, 1.3]},
index=pd.Index(["a", "b", "c"], name="idx"),
)
result = drop_forming_rate_bar(df_rate)
pd.testing.assert_frame_equal(
result,
pd.DataFrame(
{"time": [1, 2], "close": [1.1, 1.2]},
index=pd.Index(["a", "b"], name="idx"),
),
)
assert df_rate.shape == (3, 2)
def test_returns_empty_frame_when_input_empty(self) -> None:
"""Test empty frames stay empty."""
df_rate = pd.DataFrame(columns=["time", "close"])
result = drop_forming_rate_bar(df_rate)
assert result.empty
assert list(result.columns) == ["time", "close"]
def test_returns_empty_frame_when_only_forming_bar_present(self) -> None:
"""Test a single-bar frame becomes empty after dropping the forming bar."""
df_rate = pd.DataFrame({"time": [1], "close": [1.1]})
result = drop_forming_rate_bar(df_rate)
assert result.empty
assert list(result.columns) == ["time", "close"]
class TestParseSqliteTimestamp:
"""Tests for parse_sqlite_timestamp."""
def test_parses_iso_and_pandas_strings(self) -> None:
"""Test ISO, pandas-compatible, numeric, and datetime values."""
assert parse_sqlite_timestamp(None) is None
assert parse_sqlite_timestamp(1_704_067_200) == datetime(2024, 1, 1, tzinfo=UTC)
assert parse_sqlite_timestamp(
datetime.fromisoformat("2024-01-01T00:00:00"),
) == datetime(2024, 1, 1, tzinfo=UTC)
assert parse_sqlite_timestamp("Jan 1 2024") == datetime(2024, 1, 1, tzinfo=UTC)
assert parse_sqlite_timestamp("not-a-datetime") is None
assert parse_sqlite_timestamp(object()) is None
class TestIncrementalStart:
"""Tests for get_incremental_start_datetime."""
def test_uses_max_time_scoped_by_symbol_and_timeframe(
self,
tmp_path: Path,
) -> None:
"""Test rates increment is scoped by symbol and timeframe."""
db_path = tmp_path / "scoped-rates.db"
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 1.0),
("EURUSD", 16385, "2024-01-03T00:00:00+00:00", 1.1),
("GBPUSD", 1, "2024-01-04T00:00:00+00:00", 1.2),
],
)
assert get_incremental_start_datetime(
conn,
Dataset.rates,
symbol="EURUSD",
timeframe=1,
fallback_start=fallback,
) == datetime(2024, 1, 2, tzinfo=UTC)
assert get_incremental_start_datetime(
conn,
Dataset.rates,
symbol="EURUSD",
timeframe=16385,
fallback_start=fallback,
) == datetime(2024, 1, 3, tzinfo=UTC)
def test_load_incremental_start_datetimes_batches_rates(
self, tmp_path: Path
) -> None:
"""Test grouped rates resume query returns all symbol/timeframe pairs."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "batch-rates.db") as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 1.0),
("GBPUSD", 1, "2024-01-03T00:00:00+00:00", 1.1),
],
)
starts = load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD", "GBPUSD"],
timeframes=[1],
fallback_start=fallback,
)
assert starts["EURUSD", 1] == datetime(2024, 1, 2, tzinfo=UTC)
assert starts["GBPUSD", 1] == datetime(2024, 1, 3, tzinfo=UTC)
def test_load_incremental_start_datetimes_requires_timeframe_column(
self,
tmp_path: Path,
) -> None:
"""Test rates tables without timeframe fail fast during incremental resume."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "rates-without-timeframe.db") as conn:
conn.execute("CREATE TABLE rates(symbol TEXT, time TEXT, open REAL)")
conn.execute(
"INSERT INTO rates(symbol, time, open) VALUES (?, ?, ?)",
("EURUSD", "2024-01-02T00:00:00+00:00", 1.0),
)
with pytest.raises(ValueError, match="missing: timeframe") as exc_info:
load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD"],
timeframes=[1],
fallback_start=fallback,
)
assert "timeframe" in str(exc_info.value)
def test_load_incremental_start_datetimes_requires_symbol_column(
self,
tmp_path: Path,
) -> None:
"""Test rates tables without symbol fail fast during incremental resume."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "rates-no-symbol.db") as conn:
conn.execute(
"CREATE TABLE rates(timeframe INTEGER, time TEXT, open REAL)",
)
with pytest.raises(ValueError, match="missing: symbol") as exc_info:
load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD"],
timeframes=[1],
fallback_start=fallback,
)
assert "symbol" in str(exc_info.value)
def test_load_incremental_start_datetimes_requires_time_column(
self,
tmp_path: Path,
) -> None:
"""Test rates tables without time fail fast during incremental resume."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "rates-no-time.db") as conn:
conn.execute(
"CREATE TABLE rates(symbol TEXT, timeframe INTEGER, open REAL)",
)
with pytest.raises(ValueError, match="missing: time") as exc_info:
load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD"],
timeframes=[1],
fallback_start=fallback,
)
assert "time" in str(exc_info.value)
def test_load_incremental_start_datetimes_rejects_unrelated_rates_columns(
self,
tmp_path: Path,
) -> None:
"""Test rates tables with only unrelated columns fail fast."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "rates-open-only.db") as conn:
conn.execute("CREATE TABLE rates(open REAL)")
with pytest.raises(ValueError, match="missing:") as exc_info:
load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD"],
timeframes=[1],
fallback_start=fallback,
)
message = str(exc_info.value)
assert "symbol" in message
assert "timeframe" in message
assert "time" in message
def test_load_incremental_start_skips_unparseable_max_time(
self,
tmp_path: Path,
) -> None:
"""Test grouped resume ignores rows whose MAX(time) cannot be parsed."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "bad-max-time.db") as conn:
conn.execute("CREATE TABLE ticks(symbol TEXT, time TEXT)")
conn.execute(
"INSERT INTO ticks(symbol, time) VALUES (?, ?)",
("EURUSD", "not-a-datetime"),
)
starts = load_incremental_start_datetimes(
conn,
Dataset.ticks,
symbols=["EURUSD"],
fallback_start=fallback,
)
assert starts["EURUSD", None] == fallback
def test_load_incremental_start_uses_table_max_without_symbol_column(
self,
tmp_path: Path,
) -> None:
"""Test grouped resume uses table-wide MAX(time) without symbol column."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "batch-no-symbol.db") as conn:
conn.execute("CREATE TABLE ticks(time TEXT)")
conn.execute(
"INSERT INTO ticks(time) VALUES (?)",
("2024-01-02T00:00:00+00:00",),
)
starts = load_incremental_start_datetimes(
conn,
Dataset.ticks,
symbols=["EURUSD", "GBPUSD"],
fallback_start=fallback,
)
expected = datetime(2024, 1, 2, tzinfo=UTC)
assert starts["EURUSD", None] == expected
assert starts["GBPUSD", None] == expected
def test_load_incremental_start_skips_unparseable_rates_max_time(
self,
tmp_path: Path,
) -> None:
"""Test grouped rates resume ignores unparseable MAX(time) values."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "bad-rates-max-time.db") as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "not-a-datetime", 1.0),
)
starts = load_incremental_start_datetimes(
conn,
Dataset.rates,
symbols=["EURUSD"],
timeframes=[1],
fallback_start=fallback,
)
assert starts["EURUSD", 1] == fallback
class TestDeduplication:
"""Tests for SQLite deduplication helpers."""
def test_append_dedup_keeps_latest_rowid(self, tmp_path: Path) -> None:
"""Test deduplication keeps the latest ROWID for stable keys."""
db_path = tmp_path / "dedup.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 9.9),
],
)
deduplicate_history_tables(
conn,
{Dataset.rates: {"symbol", "timeframe", "time", "open"}},
{Dataset.rates},
)
assert conn.execute("SELECT COUNT(*) FROM rates").fetchone() == (1,)
assert conn.execute("SELECT open FROM rates").fetchone() == (9.9,)
def test_drop_duplicates_rejects_invalid_identifiers(self) -> None:
"""Test invalid table or column names raise ValueError."""
cursor = sqlite3.connect(":memory:").cursor()
with pytest.raises(ValueError, match="Invalid table name"):
drop_duplicates_in_table(cursor, "bad table", ["id"])
with pytest.raises(ValueError, match="Invalid column names"):
drop_duplicates_in_table(cursor, "rates", ["bad column"])
@pytest.mark.parametrize(
("dataset", "table_sql", "insert_sql", "rows", "columns"),
[
(
Dataset.ticks,
(
"CREATE TABLE ticks("
" symbol TEXT, time_msc INTEGER, time TEXT, bid REAL)"
),
"INSERT INTO ticks(symbol, time_msc, time, bid) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 9.9),
],
{"symbol", "time_msc", "time", "bid"},
),
(
Dataset.history_orders,
(
"CREATE TABLE history_orders("
" ticket INTEGER, symbol TEXT, time TEXT, type INTEGER)"
),
(
"INSERT INTO history_orders(ticket, symbol, time, type)"
" VALUES (?, ?, ?, ?)"
),
[
(1, "EURUSD", "2024-01-01T00:00:00+00:00", 0),
(1, "EURUSD", "2024-01-01T00:00:00+00:00", 1),
],
{"ticket", "symbol", "time", "type"},
),
(
Dataset.history_deals,
(
"CREATE TABLE history_deals("
" ticket INTEGER, symbol TEXT, time TEXT, type INTEGER,"
" entry INTEGER)"
),
(
"INSERT INTO history_deals(ticket, symbol, time, type, entry)"
" VALUES (?, ?, ?, ?, ?)"
),
[
(1, "EURUSD", "2024-01-01T00:00:00+00:00", 0, 0),
(1, "EURUSD", "2024-01-01T00:00:00+00:00", 0, 1),
],
{"ticket", "symbol", "time", "type", "entry"},
),
],
)
def test_deduplicates_non_rate_datasets_by_stable_keys(
self,
tmp_path: Path,
dataset: Dataset,
table_sql: str,
insert_sql: str,
rows: list[tuple[object, ...]],
columns: set[str],
) -> None:
"""Test deduplication keys for ticks, orders, and deals."""
with sqlite3.connect(tmp_path / f"{dataset.value}-dedup.db") as conn:
conn.execute(table_sql)
conn.executemany(insert_sql, rows)
deduplicate_history_tables(conn, {dataset: columns}, {dataset})
assert conn.execute(
f"SELECT COUNT(*) FROM {dataset.table_name}", # noqa: S608
).fetchone() == (1,)
def test_scoped_dedup_preserves_older_rows(self, tmp_path: Path) -> None:
"""Test scoped deduplication only rewrites the appended boundary."""
boundary = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "scoped-dedup.db") as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 2.0),
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 9.9),
],
)
deduplicate_history_tables(
conn,
{Dataset.rates: {"symbol", "timeframe", "time", "open"}},
{Dataset.rates},
{
Dataset.rates: [
DedupScope(
"symbol = ? AND timeframe = ? AND time >= ?",
("EURUSD", 1, boundary),
frozenset({"symbol", "timeframe", "time"}),
),
],
},
)
rows = conn.execute(
"SELECT time, open FROM rates ORDER BY time, open",
).fetchall()
assert rows == [
("2024-01-01T00:00:00+00:00", 1.0),
("2024-01-02T00:00:00+00:00", 9.9),
]
def test_unusable_scope_falls_back_to_table_dedup(self, tmp_path: Path) -> None:
"""Test scopes with missing columns do not break stable-key dedup."""
boundary = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "orders-without-time.db") as conn:
conn.execute(
"CREATE TABLE history_orders("
" ticket INTEGER, symbol TEXT, time_setup TEXT, type INTEGER)",
)
conn.executemany(
"INSERT INTO history_orders(ticket, symbol, time_setup, type)"
" VALUES (?, ?, ?, ?)",
[
(1, "EURUSD", "2024-01-01T00:00:00+00:00", 0),
(1, "EURUSD", "2024-01-01T00:00:01+00:00", 1),
],
)
deduplicate_history_tables(
conn,
{Dataset.history_orders: {"ticket", "symbol", "time_setup", "type"}},
{Dataset.history_orders},
{
Dataset.history_orders: [
DedupScope(
"symbol = ? AND time >= ?",
("EURUSD", boundary),
frozenset({"symbol", "time"}),
),
],
},
)
rows = conn.execute(
"SELECT ticket, time_setup, type FROM history_orders",
).fetchall()
assert rows == [(1, "2024-01-01T00:00:01+00:00", 1)]
def test_partially_unusable_scopes_only_run_usable_scopes(
self,
tmp_path: Path,
) -> None:
"""Test mixed scope filtering skips only scopes with missing columns."""
boundary = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "partial-scope-filter.db") as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, open REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, open) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 2.0),
("EURUSD", 1, "2024-01-02T00:00:00+00:00", 9.9),
("USDJPY", 1, "2024-01-02T00:00:00+00:00", 100.0),
("USDJPY", 1, "2024-01-02T00:00:00+00:00", 101.0),
],
)
deduplicate_history_tables(
conn,
{Dataset.rates: {"symbol", "timeframe", "time", "open"}},
{Dataset.rates},
{
Dataset.rates: [
DedupScope(
"symbol = ? AND timeframe = ? AND time >= ?",
("EURUSD", 1, boundary),
frozenset({"symbol", "timeframe", "time"}),
),
DedupScope(
"symbol = ? AND timeframe = ? AND broker = ?",
("USDJPY", 1, "demo"),
frozenset({"symbol", "timeframe", "broker"}),
),
],
},
)
rows = conn.execute(
"SELECT symbol, open FROM rates ORDER BY symbol, open",
).fetchall()
assert rows == [
("EURUSD", 9.9),
("USDJPY", 100.0),
("USDJPY", 101.0),
]
class TestRateCompatibilityViews:
"""Tests for rate compatibility view creation."""
def test_creates_views_for_multiple_timeframes(self, tmp_path: Path) -> None:
"""Test rate views are created per symbol and timeframe."""
db_path = tmp_path / "rate-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 16385, "2024-01-01T01:00:00+00:00", 1.1),
],
)
create_rate_compatibility_views(conn)
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'"
" AND name LIKE 'rate_EURUSD%'",
).fetchall()
}
assert views == {"rate_EURUSD__M1_1", "rate_EURUSD__H1_16385"}
assert conn.execute('SELECT close FROM "rate_EURUSD__M1_1"').fetchone() == (
1.0,
)
def test_drops_stale_single_timeframe_view(self, tmp_path: Path) -> None:
"""Test stale rate_<symbol> views are removed when timeframes change."""
db_path = tmp_path / "stale-rate-view.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert conn.execute(
"SELECT 1 FROM sqlite_master"
" WHERE type='view' AND name = 'rate_EURUSD__1'",
).fetchone() == (1,)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", TIMEFRAME_MAP["H1"], "2024-01-01T01:00:00+00:00", 1.1),
)
create_rate_compatibility_views(conn)
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'"
" AND name LIKE 'rate_EURUSD%'",
).fetchall()
}
assert views == {"rate_EURUSD__M1_1", "rate_EURUSD__H1_16385"}
assert "rate_EURUSD__1" not in views
def test_does_not_drop_views_outside_rate_prefix(self, tmp_path: Path) -> None:
"""Test only literal rate_* views are dropped during recreation."""
db_path = tmp_path / "rate-prefix-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
conn.execute("CREATE VIEW rate_EURUSD AS SELECT 1 AS close")
conn.execute("CREATE VIEW rateX_custom AS SELECT 2 AS close")
create_rate_compatibility_views(conn)
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'",
).fetchall()
}
assert "rateX_custom" in views
assert "rate_EURUSD__1" in views
assert conn.execute("SELECT close FROM rate_EURUSD__1").fetchone() == (1.0,)
@pytest.mark.parametrize(
"symbol",
["EUR/USD", "US500.cash", "#US500"],
)
def test_supports_broker_specific_symbols(
self,
tmp_path: Path,
symbol: str,
) -> None:
"""Test broker-specific symbols get readable rate views."""
db_path = tmp_path / "broker-symbol.db"
view_name = build_rate_view_name(
symbol=symbol,
granularity="M1",
granularity_count=1,
timeframe=1,
)
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
(symbol, 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
assert conn.execute(
"SELECT 1 FROM sqlite_master WHERE type='view' AND name = ?",
(view_name,),
).fetchone() == (1,)
quoted = quote_sqlite_identifier(view_name)
query = "SELECT close FROM " + quoted # noqa: S608
assert conn.execute(query).fetchone() == (1.0,)
class TestDerivedViews:
"""Tests for cash_events and positions_reconstructed views."""
def test_creates_views_when_columns_present(self, tmp_path: Path) -> None:
"""Test cash_events and positions_reconstructed views are created."""
db_path = tmp_path / "derived-views.db"
columns = {
"ticket",
"position_id",
"symbol",
"time",
"type",
"entry",
"volume",
"price",
"profit",
}
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE history_deals("
" ticket INTEGER, position_id INTEGER, symbol TEXT, time INTEGER,"
" type INTEGER, entry INTEGER, volume REAL, price REAL, profit REAL)",
)
conn.executemany(
"INSERT INTO history_deals VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
[
(1, 100, "EURUSD", 1, 0, 0, 1.0, 1.1, 0.0),
(2, 100, "EURUSD", 2, 0, 1, 1.0, 1.2, 5.0),
(3, 0, "", 3, 2, 0, 0.0, 0.0, 10.0),
],
)
assert create_cash_events_view(conn, columns)
assert create_positions_reconstructed_view(conn, columns)
assert conn.execute("SELECT COUNT(*) FROM cash_events").fetchone() == (1,)
assert conn.execute(
"SELECT position_id FROM positions_reconstructed",
).fetchall() == [(100,)]
class TestFilterTradeHistoryFrame:
"""Tests for filter_trade_history_frame."""
def test_includes_account_events_when_requested(self) -> None:
"""Test account events are kept alongside selected symbols."""
frame = pd.DataFrame({
"symbol": ["EURUSD", None, "OTHER"],
"type": [0, 2, 0],
})
filtered = filter_trade_history_frame(
frame,
["EURUSD"],
include_account_events=True,
)
assert filtered["symbol"].tolist()[0] == "EURUSD"
assert pd.isna(filtered["symbol"].tolist()[1])
class TestIncrementalHistoryDealsHelpers:
"""Tests for incremental history_deals helper functions."""
def test_account_event_start_uses_type_column(self, tmp_path: Path) -> None:
"""Test account-event start uses non-trade deal types when available."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "account-start-type.db") as conn:
conn.execute(
"CREATE TABLE history_deals("
" ticket INTEGER, symbol TEXT, time TEXT, type INTEGER)",
)
conn.executemany(
"INSERT INTO history_deals(ticket, symbol, time, type)"
" VALUES (?, ?, ?, ?)",
[
(1, "EURUSD", "2024-01-05T00:00:00+00:00", 0),
(2, "", "2024-01-08T00:00:00+00:00", 2),
],
)
assert get_history_deals_account_event_start_datetime(
conn,
fallback_start=fallback,
) == datetime(2024, 1, 8, tzinfo=UTC)
def test_account_event_start_falls_back_to_empty_symbol(
self, tmp_path: Path
) -> None:
"""Test account-event start uses empty symbols when type is missing."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "account-start-symbol.db") as conn:
conn.execute(
"CREATE TABLE history_deals(ticket INTEGER, symbol TEXT, time TEXT)",
)
conn.executemany(
"INSERT INTO history_deals(ticket, symbol, time) VALUES (?, ?, ?)",
[
(1, "EURUSD", "2024-01-05T00:00:00+00:00"),
(2, "", "2024-01-07T00:00:00+00:00"),
],
)
assert get_history_deals_account_event_start_datetime(
conn,
fallback_start=fallback,
) == datetime(2024, 1, 7, tzinfo=UTC)
def test_account_event_start_without_identifying_columns(
self,
tmp_path: Path,
) -> None:
"""Test account-event start falls back when type and symbol are missing."""
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(tmp_path / "account-start-fallback.db") as conn:
conn.execute("CREATE TABLE history_deals(ticket INTEGER, time TEXT)")
conn.execute(
"INSERT INTO history_deals(ticket, time) VALUES (?, ?)",
(1, "2024-01-05T00:00:00+00:00"),
)
assert (
get_history_deals_account_event_start_datetime(
conn,
fallback_start=fallback,
)
== fallback
)
def test_filter_incremental_history_deals_frame(self) -> None:
"""Test incremental deal filtering applies per-symbol and account starts."""
frame = pd.DataFrame({
"ticket": [1, 2, 3, 4, 5],
"symbol": ["EURUSD", "EURUSD", "GBPUSD", "OTHER", ""],
"time": [
"2024-01-05T00:00:00+00:00",
"2024-01-11T00:00:00+00:00",
"2024-01-02T00:00:00+00:00",
"2024-01-02T00:00:00+00:00",
"2024-01-03T00:00:00+00:00",
],
"type": [0, 0, 0, 0, 2],
})
start_by_symbol = {
"EURUSD": datetime(2024, 1, 10, tzinfo=UTC),
"GBPUSD": datetime(2024, 1, 1, tzinfo=UTC),
}
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD", "GBPUSD"],
start_by_symbol,
datetime(2024, 1, 2, tzinfo=UTC),
)
assert filtered["ticket"].tolist() == [2, 3, 5]
def test_filter_incremental_excludes_symbolized_account_events_from_trade_cursor(
self,
) -> None:
"""Test symbolized account events follow only account_event_start.
An account-event row with a matching symbol must not be kept by the
EURUSD trade cursor when its time is after the trade start but before
account_event_start.
"""
trade_cursor = datetime(2024, 1, 1, tzinfo=UTC)
account_event_start = datetime(2024, 1, 10, tzinfo=UTC)
row_time = datetime(2024, 1, 5, tzinfo=UTC)
frame = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": [row_time.isoformat()],
"type": [2],
})
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD"],
{"EURUSD": trade_cursor},
account_event_start,
)
assert filtered.empty
def test_filter_incremental_rejects_rows_without_parseable_time(self) -> None:
"""Test incremental filtering drops rows when time cannot be parsed."""
frame = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": ["not-a-datetime"],
"type": [0],
})
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD"],
{"EURUSD": datetime(2024, 1, 1, tzinfo=UTC)},
datetime(2024, 1, 1, tzinfo=UTC),
)
assert filtered.empty
def test_filter_incremental_keeps_account_events_without_symbol_column(
self,
) -> None:
"""Test account events are kept when history_deals has no symbol column."""
frame = pd.DataFrame({
"ticket": [1],
"time": ["2024-01-03T00:00:00+00:00"],
"type": [2],
})
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD"],
{"EURUSD": datetime(2024, 1, 10, tzinfo=UTC)},
datetime(2024, 1, 2, tzinfo=UTC),
)
assert filtered["ticket"].tolist() == [1]
def test_filter_incremental_skips_trade_rows_without_symbol_column(self) -> None:
"""Test trade rows are excluded when symbol column is unavailable."""
frame = pd.DataFrame({
"ticket": [1],
"time": ["2024-01-03T00:00:00+00:00"],
})
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD"],
{"EURUSD": datetime(2024, 1, 1, tzinfo=UTC)},
datetime(2024, 1, 1, tzinfo=UTC),
)
assert filtered.empty
def test_filter_incremental_rejects_rows_without_time_column(self) -> None:
"""Test incremental filtering drops rows when time column is missing."""
frame = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"type": [0],
})
filtered = filter_incremental_history_deals_frame(
frame,
["EURUSD"],
{"EURUSD": datetime(2024, 1, 1, tzinfo=UTC)},
datetime(2024, 1, 1, tzinfo=UTC),
)
assert filtered.empty
class TestIncrementalIntegration:
"""Integration tests for incremental write helpers."""
def test_write_incremental_datasets_end_to_end(
self,
tmp_path: Path,
) -> None:
"""Test incremental dataset writer covers finalize branches."""
client = MagicMock()
client.copy_rates_range_as_df.return_value = pd.DataFrame({
"time": ["2024-01-01T00:00:00+00:00"],
"open": [1.0],
})
client.copy_ticks_range_as_df.return_value = pd.DataFrame()
client.history_orders_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": ["2024-01-01T00:00:00+00:00"],
"type": [0],
})
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [2],
"position_id": [100],
"symbol": ["EURUSD"],
"time": ["2024-01-01T00:00:00+00:00"],
"type": [0],
"entry": [0],
"volume": [1.0],
"price": [1.1],
"profit": [0.0],
})
db_path = tmp_path / "incremental-integration.db"
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(db_path) as conn:
write_incremental_datasets(
conn,
client,
["EURUSD"],
set(Dataset),
[1],
1,
start,
end,
deduplicate=True,
create_rate_views=True,
with_views=True,
include_account_events=True,
)
tables = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='table'",
).fetchall()
}
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'",
).fetchall()
}
assert {"rates", "history_orders", "history_deals"} <= tables
assert "rate_EURUSD__1" in views
assert "cash_events" in views
def test_rate_view_names_do_not_collide_for_symbol_suffix(
self,
tmp_path: Path,
) -> None:
"""Test symbols resembling generated view suffixes stay distinct."""
db_path = tmp_path / "rate-view-collision.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 16385, "2024-01-01T01:00:00+00:00", 1.1),
("EURUSD_M1", 1, "2024-01-01T02:00:00+00:00", 1.2),
],
)
create_rate_compatibility_views(conn)
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'",
).fetchall()
}
assert views == {
"rate_EURUSD__M1_1",
"rate_EURUSD__H1_16385",
"rate_EURUSD_M1__1",
}
def test_incremental_orders_without_time_deduplicate_by_ticket(
self,
tmp_path: Path,
caplog: pytest.LogCaptureFixture,
) -> None:
"""Test incremental history_orders without time deduplicate safely."""
def history_orders_get_as_df(**kwargs: object) -> pd.DataFrame:
if kwargs["symbol"] == "GBPUSD":
return pd.DataFrame()
return pd.DataFrame({
"ticket": [1, 1],
"symbol": ["EURUSD", "EURUSD"],
"time_setup": [
"2024-01-01T00:00:00+00:00",
"2024-01-01T00:00:01+00:00",
],
"type": [0, 1],
})
client = MagicMock()
client.history_orders_get_as_df.side_effect = history_orders_get_as_df
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with (
sqlite3.connect(tmp_path / "incremental-orders-without-time.db") as conn,
caplog.at_level(logging.WARNING, logger="mt5cli.history"),
):
write_incremental_datasets(
conn,
client,
["EURUSD", "GBPUSD"],
{Dataset.history_orders},
[],
0,
start,
end,
deduplicate=True,
create_rate_views=False,
with_views=False,
include_account_events=False,
)
rows = conn.execute(
"SELECT ticket, time_setup, type FROM history_orders",
).fetchall()
assert rows == [(1, "2024-01-01T00:00:01+00:00", 1)]
assert "Skipping history_orders: dataset returned no columns" in caplog.text
def test_write_collected_datasets_and_edge_branches(
self,
tmp_path: Path,
) -> None:
"""Test collected dataset writer and helper edge branches."""
client = MagicMock()
client.copy_rates_range_as_df.return_value = pd.DataFrame()
client.copy_ticks_range_as_df.return_value = pd.DataFrame({
"time": ["2024-01-01T00:00:00+00:00"],
"bid": [1.0],
})
client.history_orders_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": [1],
"type": [0],
})
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": [1],
"type": [0],
})
db_path = tmp_path / "collected-integration.db"
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(db_path) as conn:
write_collected_datasets(
conn,
client,
["EURUSD"],
{Dataset.ticks, Dataset.history_orders, Dataset.history_deals},
1,
1,
start,
end,
IfExists.APPEND,
)
assert (
get_incremental_start_datetime(
conn,
Dataset.ticks,
symbol="EURUSD",
timeframe=None,
fallback_start=start,
)
== start
)
deduplicate_history_tables(
conn,
{Dataset.ticks: {"time"}},
{Dataset.ticks},
)
filtered = filter_trade_history_frame(
pd.DataFrame({"ticket": [1]}),
["EURUSD"],
include_account_events=False,
)
assert len(filtered) == 1
account_filtered = filter_trade_history_frame(
pd.DataFrame({"symbol": ["", "EURUSD"], "type": [2, 0]}),
["EURUSD"],
include_account_events=True,
)
assert len(account_filtered) == 2
no_type_filtered = filter_trade_history_frame(
pd.DataFrame({"symbol": ["", "EURUSD"]}),
["EURUSD"],
include_account_events=True,
)
assert len(no_type_filtered) == 2
def test_get_incremental_start_without_symbol_column(
self,
tmp_path: Path,
) -> None:
"""Test incremental start ignores missing symbol column filters."""
db_path = tmp_path / "no-symbol-column.db"
fallback = datetime(2024, 1, 1, tzinfo=UTC)
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE ticks(time TEXT)")
conn.execute(
"INSERT INTO ticks(time) VALUES (?)",
("2024-01-02T00:00:00+00:00",),
)
assert get_incremental_start_datetime(
conn,
Dataset.ticks,
symbol="EURUSD",
timeframe=None,
fallback_start=fallback,
) == datetime(2024, 1, 2, tzinfo=UTC)
def test_deduplicate_skips_unsupported_keys(
self,
tmp_path: Path,
caplog: pytest.LogCaptureFixture,
) -> None:
"""Test deduplication logs when no stable key columns exist."""
with (
sqlite3.connect(tmp_path / "no-keys.db") as conn,
caplog.at_level(
logging.WARNING,
logger="mt5cli.history",
),
):
deduplicate_history_tables(conn, {Dataset.ticks: {"time"}}, {Dataset.ticks})
assert "Skipping ticks deduplication" in caplog.text
def test_write_rates_skips_empty_schema(
self,
tmp_path: Path,
) -> None:
"""Test rates writer skips frames with no columns after normalization."""
client = MagicMock()
client.copy_rates_range_as_df.return_value = pd.DataFrame()
written_columns: dict[Dataset, set[str]] = {}
with sqlite3.connect(tmp_path / "empty-rates.db") as conn:
assert not write_rates_dataset(
conn,
client,
["EURUSD"],
1,
datetime(2024, 1, 1, tzinfo=UTC),
datetime(2024, 1, 2, tzinfo=UTC),
IfExists.APPEND,
written_columns,
)
def test_finalize_with_views_warning_when_deals_missing(
self,
tmp_path: Path,
caplog: pytest.LogCaptureFixture,
) -> None:
"""Test with_views warning when history_deals was not written."""
client = MagicMock()
client.copy_rates_range_as_df.return_value = pd.DataFrame()
with (
caplog.at_level(logging.WARNING, logger="mt5cli.history"),
sqlite3.connect(tmp_path / "views-warning.db") as conn,
):
write_incremental_datasets(
conn,
client,
["EURUSD"],
{Dataset.rates, Dataset.history_deals},
[1],
0,
datetime(2024, 1, 1, tzinfo=UTC),
datetime(2024, 1, 2, tzinfo=UTC),
deduplicate=False,
create_rate_views=False,
with_views=True,
include_account_events=True,
)
assert "with_views ignored" in caplog.text
def test_augment_written_columns_creates_new_entry(
self,
tmp_path: Path,
) -> None:
"""Test augment helper initializes dataset column maps."""
db_path = tmp_path / "augment-new.db"
written_columns: dict[Dataset, set[str]] = {}
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE rates(time TEXT)")
augment_written_columns_from_sqlite(
conn,
{Dataset.rates},
written_columns,
)
assert written_columns == {Dataset.rates: {"time"}}
def test_create_rate_views_noop_without_required_columns(
self,
tmp_path: Path,
) -> None:
"""Test rate view creation skips tables missing required columns."""
with sqlite3.connect(tmp_path / "missing-rate-columns.db") as conn:
conn.execute("CREATE TABLE rates(open REAL)")
create_rate_compatibility_views(conn)
views = conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'",
).fetchall()
assert views == []
def test_incremental_history_noops_when_fetch_returns_empty(
self,
tmp_path: Path,
) -> None:
"""Test incremental history skips table tracking for empty writes."""
client = MagicMock()
client.history_orders_get_as_df.return_value = pd.DataFrame()
client.history_deals_get_as_df.return_value = pd.DataFrame()
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "empty-history.db") as conn:
written_tables, _ = write_incremental_datasets(
conn,
client,
["EURUSD"],
{Dataset.history_orders, Dataset.history_deals},
[],
0,
start,
end,
deduplicate=False,
create_rate_views=False,
with_views=False,
include_account_events=True,
)
assert written_tables == set()
def test_resolve_history_tick_flags_invalid(self) -> None:
"""Test invalid tick flags raise ValueError."""
with pytest.raises(ValueError, match="Invalid tick flags"):
resolve_history_tick_flags("BAD")
with pytest.raises(ValueError, match="Invalid tick flags"):
resolve_history_tick_flags(7)
def test_resolve_history_timeframes_invalid(self) -> None:
"""Test invalid timeframes raise ValueError."""
with pytest.raises(ValueError, match="Invalid timeframe"):
resolve_history_timeframes(["BAD"])
class TestIncrementalHistoryDeals:
"""Tests for incremental history_deals account-event handling."""
def test_fetches_per_symbol_when_account_events_disabled(
self,
tmp_path: Path,
) -> None:
"""Test history_deals are fetched per symbol without account events."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"symbol": ["EURUSD"],
"time": [1],
"type": [0],
"entry": [0],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "per-symbol-deals.db") as conn:
write_incremental_datasets(
conn,
client,
["EURUSD", "GBPUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=False,
create_rate_views=False,
with_views=False,
include_account_events=False,
)
assert client.history_deals_get_as_df.call_count == 2
def test_skips_history_deals_when_fetch_returns_empty(
self,
tmp_path: Path,
) -> None:
"""Test incremental history_deals skips tracking when writes are empty."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame()
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "empty-per-symbol-deals.db") as conn:
written_tables, _ = write_incremental_datasets(
conn,
client,
["EURUSD", "GBPUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=False,
create_rate_views=False,
with_views=False,
include_account_events=False,
)
assert written_tables == set()
def test_write_history_dataset_fetches_account_events_once(
self,
tmp_path: Path,
) -> None:
"""Test write_history_dataset account-event path fetches once."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1, 2],
"symbol": ["EURUSD", ""],
"time": [1, 2],
"type": [0, 2],
"entry": [0, 0],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
written_columns: dict[Dataset, set[str]] = {}
with sqlite3.connect(tmp_path / "history-dataset-account.db") as conn:
assert write_history_dataset(
conn,
client.history_deals_get_as_df,
Dataset.history_deals,
["EURUSD"],
start,
end,
IfExists.APPEND,
written_columns,
include_account_events=True,
)
rows = conn.execute(
"SELECT ticket, symbol, type FROM history_deals ORDER BY ticket",
).fetchall()
client.history_deals_get_as_df.assert_called_once()
assert rows == [(1, "EURUSD", 0), (2, "", 2)]
def test_fetches_account_events_once_for_multiple_symbols(
self,
tmp_path: Path,
) -> None:
"""Test account events are fetched once and not duplicated."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1, 2, 3, 4],
"symbol": ["EURUSD", "GBPUSD", "OTHER", ""],
"time": [
"2024-01-01T00:00:00+00:00",
"2024-01-01T01:00:00+00:00",
"2024-01-01T02:00:00+00:00",
"2024-01-01T03:00:00+00:00",
],
"type": [0, 0, 0, 2],
"entry": [0, 0, 0, 0],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 2, tzinfo=UTC)
with sqlite3.connect(tmp_path / "account-events.db") as conn:
write_incremental_datasets(
conn,
client,
["EURUSD", "GBPUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=False,
create_rate_views=False,
with_views=False,
include_account_events=True,
)
rows = conn.execute(
"SELECT ticket, symbol, type FROM history_deals ORDER BY ticket",
).fetchall()
row_count = conn.execute("SELECT COUNT(*) FROM history_deals").fetchone()
client.history_deals_get_as_df.assert_called_once()
assert rows == [(1, "EURUSD", 0), (2, "GBPUSD", 0), (4, "", 2)]
assert row_count == (3,)
def test_records_account_event_dedup_scope_without_type_column(
self,
tmp_path: Path,
) -> None:
"""Test account-event dedup scope falls back to empty symbols."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"symbol": [""],
"time": ["2024-01-02T00:00:00+00:00"],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 3, tzinfo=UTC)
with sqlite3.connect(tmp_path / "deals-without-type.db") as conn:
conn.execute(
"CREATE TABLE history_deals( ticket INTEGER, symbol TEXT, time TEXT)",
)
write_incremental_datasets(
conn,
client,
["EURUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=True,
create_rate_views=False,
with_views=False,
include_account_events=True,
)
assert conn.execute("SELECT COUNT(*) FROM history_deals").fetchone() == (1,)
def test_skips_symbol_dedup_scope_when_symbol_column_missing(
self,
tmp_path: Path,
) -> None:
"""Test account-event writes skip per-symbol dedup without symbol column."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1],
"time": ["2024-01-02T00:00:00+00:00"],
"type": [2],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 3, tzinfo=UTC)
with sqlite3.connect(tmp_path / "no-symbol-deals.db") as conn:
conn.execute(
"CREATE TABLE history_deals(ticket INTEGER, time TEXT, type INTEGER)",
)
write_incremental_datasets(
conn,
client,
["EURUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=True,
create_rate_views=False,
with_views=False,
include_account_events=True,
)
assert conn.execute("SELECT COUNT(*) FROM history_deals").fetchone() == (1,)
def test_creates_views_when_history_deals_written_with_with_views(
self,
tmp_path: Path,
) -> None:
"""Test derived views are rebuilt when history_deals is written."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1, 2],
"position_id": [100, 100],
"symbol": ["EURUSD", "EURUSD"],
"time": ["2024-01-01T00:00:00+00:00", "2024-01-02T00:00:00+00:00"],
"type": [0, 1],
"entry": [0, 1],
"volume": [1.0, 1.0],
"price": [1.1, 1.2],
"profit": [0.0, 5.0],
})
start = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 3, tzinfo=UTC)
with sqlite3.connect(tmp_path / "deals-with-views.db") as conn:
write_incremental_datasets(
conn,
client,
["EURUSD"],
{Dataset.history_deals},
[],
0,
start,
end,
deduplicate=False,
create_rate_views=False,
with_views=True,
include_account_events=False,
)
views = {
row[0]
for row in conn.execute(
"SELECT name FROM sqlite_master WHERE type='view'",
).fetchall()
}
assert {"cash_events", "positions_reconstructed"} <= views
def test_applies_per_symbol_start_when_account_events_enabled(
self,
tmp_path: Path,
) -> None:
"""Test account-event fetch keeps per-symbol incremental boundaries."""
client = MagicMock()
client.history_deals_get_as_df.return_value = pd.DataFrame({
"ticket": [1, 2, 3, 4, 5],
"symbol": ["EURUSD", "EURUSD", "GBPUSD", "OTHER", ""],
"time": [
"2024-01-05T00:00:00+00:00",
"2024-01-11T00:00:00+00:00",
"2024-01-02T00:00:00+00:00",
"2024-01-02T00:00:00+00:00",
"2024-01-03T00:00:00+00:00",
],
"type": [0, 0, 0, 0, 2],
"entry": [0, 0, 0, 0, 0],
})
fallback = datetime(2024, 1, 1, tzinfo=UTC)
end = datetime(2024, 1, 15, tzinfo=UTC)
with sqlite3.connect(tmp_path / "per-symbol-account-events.db") as conn:
conn.execute(
"CREATE TABLE history_deals("
" ticket INTEGER, symbol TEXT, time TEXT, type INTEGER, entry INTEGER)",
)
conn.executemany(
"INSERT INTO history_deals(ticket, symbol, time, type, entry)"
" VALUES (?, ?, ?, ?, ?)",
[
(100, "EURUSD", "2024-01-10T00:00:00+00:00", 0, 0),
(200, "GBPUSD", "2024-01-01T00:00:00+00:00", 0, 0),
(300, "", "2024-01-02T00:00:00+00:00", 2, 0),
],
)
write_incremental_datasets(
conn,
client,
["EURUSD", "GBPUSD"],
{Dataset.history_deals},
[],
0,
fallback,
end,
deduplicate=False,
create_rate_views=False,
with_views=False,
include_account_events=True,
)
rows = conn.execute(
"SELECT ticket, symbol, type FROM history_deals"
" WHERE ticket IN (1, 2, 3, 4, 5) ORDER BY ticket",
).fetchall()
client.history_deals_get_as_df.assert_called_once_with(
date_from=datetime(2024, 1, 1, tzinfo=UTC),
date_to=end,
)
assert rows == [(2, "EURUSD", 0), (3, "GBPUSD", 0), (5, "", 2)]
class TestWriteHelpers:
"""Tests for SQLite write helper branches."""
def test_append_dataframe_handles_wide_frames(self, tmp_path: Path) -> None:
"""Test wide DataFrames append without exceeding SQLite variable limits."""
db_path = tmp_path / "wide-frame.db"
columns = {f"col_{index}": [float(index)] for index in range(80)}
frame = pd.DataFrame(columns)
with sqlite3.connect(db_path) as conn:
assert append_dataframe(conn, frame, "wide_rates", IfExists.APPEND)
assert get_table_columns(conn, "wide_rates") == set(columns)
def test_write_streamed_frame_and_column_tracking(self, tmp_path: Path) -> None:
"""Test append helpers track columns and skip empty frames."""
db_path = tmp_path / "write-helpers.db"
written_columns: dict[Dataset, set[str]] = {}
with sqlite3.connect(db_path) as conn:
assert not write_streamed_frame(
conn,
pd.DataFrame(),
Dataset.rates,
table_exists=False,
if_exists=IfExists.APPEND,
written_columns=written_columns,
)
assert append_dataframe(
conn,
pd.DataFrame({"time": [1], "open": [1.0]}),
"rates",
IfExists.APPEND,
)
record_written_columns(
written_columns,
Dataset.rates,
pd.DataFrame({"close": [1.1]}),
)
assert "close" in written_columns[Dataset.rates]
augment_written_columns_from_sqlite(
conn,
{Dataset.rates},
written_columns,
)
assert get_table_columns(conn, "rates") == {"time", "open"}
create_history_indexes(conn, written_columns)
class TestRateSourceHelpers:
"""Tests for generic rate-source SDK helpers."""
def test_rate_target_timeframe_int(self) -> None:
"""Test RateTarget resolves named and integer timeframes."""
target = RateTarget(symbol="EURUSD", timeframe="M1")
assert target.timeframe == 1
assert target.timeframe_int == 1
assert RateTarget(symbol="EURUSD", timeframe=16385).timeframe_int == 16385
def test_build_rate_targets_row_major(self) -> None:
"""Test targets are built in row-major symbol/timeframe order."""
targets = build_rate_targets(["EURUSD", "GBPUSD"], ["M1", "H1"])
assert [(t.symbol, t.timeframe) for t in targets] == [
("EURUSD", 1),
("EURUSD", 16385),
("GBPUSD", 1),
("GBPUSD", 16385),
]
def test_build_rate_targets_allows_missing_symbol(self) -> None:
"""Test missing symbols produce None-symbol targets when allowed."""
targets = build_rate_targets([], ["M1", "H1"], allow_missing_symbol=True)
assert [(t.symbol, t.timeframe) for t in targets] == [
(None, 1),
(None, 16385),
]
@pytest.mark.parametrize(
("symbols", "timeframes", "match"),
[
(["EURUSD"], [], "At least one timeframe"),
([], ["M1"], "At least one symbol"),
],
)
def test_build_rate_targets_rejects_empty(
self,
symbols: list[str],
timeframes: list[str],
match: str,
) -> None:
"""Test target building input validation."""
with pytest.raises(ValueError, match=match):
build_rate_targets(symbols, timeframes)
def test_resolve_rate_tables_uses_explicit_tables(self) -> None:
"""Test explicit tables bypass view resolution when counts match."""
targets = build_rate_targets([], ["M1", "H1"], allow_missing_symbol=True)
assert resolve_rate_tables(None, targets, ["t1", "t2"]) == ["t1", "t2"]
def test_resolve_rate_tables_rejects_mismatched_explicit_count(self) -> None:
"""Test explicit table count must match the number of targets."""
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="Expected 1 explicit table"):
resolve_rate_tables(None, targets, ["t1", "t2"])
def test_resolve_rate_tables_rejects_empty_targets(self) -> None:
"""Test resolving requires at least one target."""
with pytest.raises(ValueError, match="At least one rate target"):
resolve_rate_tables(None, [])
def test_resolve_rate_tables_requires_symbol_without_explicit(self) -> None:
"""Test None-symbol targets require explicit tables."""
targets = build_rate_targets([], ["M1"], allow_missing_symbol=True)
with pytest.raises(ValueError, match="without a symbol"):
resolve_rate_tables(None, targets)
def test_resolve_rate_tables_resolves_view_names(self) -> None:
"""Test symbol targets resolve to default view names without a database."""
targets = build_rate_targets(["EURUSD"], ["M1", "H1"])
assert resolve_rate_tables(None, targets) == [
"rate_EURUSD__1",
"rate_EURUSD__16385",
]
def test_resolve_rate_tables_none_path_with_require_existing_raises(self) -> None:
"""Test strict mode rejects a missing database path."""
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_tables(None, targets, require_existing=True)
def test_resolve_rate_tables_missing_db_with_require_existing_raises(
self,
tmp_path: Path,
) -> None:
"""Test strict mode rejects a non-existing database path."""
db_path = tmp_path / "missing.db"
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="SQLite database not found"):
resolve_rate_tables(db_path, targets, require_existing=True)
def test_resolve_rate_tables_missing_view_with_require_existing_raises(
self,
tmp_path: Path,
) -> None:
"""Test strict mode rejects databases without managed rate views."""
db_path = tmp_path / "no-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="No rate compatibility view exists"):
resolve_rate_tables(db_path, targets, require_existing=True)
def test_resolve_rate_tables_with_require_existing_resolves_views(
self,
tmp_path: Path,
) -> None:
"""Test strict mode resolves existing managed rate views."""
db_path = tmp_path / "strict-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
targets = build_rate_targets(["EURUSD"], ["M1"])
assert resolve_rate_tables(db_path, targets, require_existing=True) == [
"rate_EURUSD__1",
]
def test_resolve_rate_tables_batches_sqlite_metadata(
self,
tmp_path: Path,
mocker: MockerFixture,
) -> None:
"""Test resolving multiple targets loads SQLite metadata once."""
db_path = tmp_path / "batch-rate-tables.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 16385, "2024-01-01T01:00:00+00:00", 1.1),
("GBPUSD", 1, "2024-01-01T00:00:00+00:00", 1.2),
],
)
create_rate_compatibility_views(conn)
counts_spy = mocker.spy(history, "_load_rates_timeframe_counts")
views_spy = mocker.spy(history, "_load_existing_rate_views")
targets = build_rate_targets(["EURUSD", "GBPUSD"], ["M1", "H1"])
assert resolve_rate_tables(db_path, targets) == [
"rate_EURUSD__M1_1",
"rate_EURUSD__H1_16385",
"rate_GBPUSD__1",
"rate_GBPUSD__16385",
]
assert counts_spy.call_count == 1
assert views_spy.call_count == 1
def test_load_rate_series_from_sqlite(self, tmp_path: Path) -> None:
"""Test loading multiple rate series keyed by symbol and timeframe."""
db_path = tmp_path / "series.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 1, "2024-01-01T00:01:00+00:00", 1.1),
],
)
create_rate_compatibility_views(conn)
targets = build_rate_targets(["EURUSD"], ["M1"])
result = load_rate_series_from_sqlite(db_path, targets, count=2)
assert set(result) == {("EURUSD", 1)}
assert len(result["EURUSD", 1]) == 2
def test_load_rate_series_by_granularity(self, tmp_path: Path) -> None:
"""Test loading rate series keyed by symbol and granularity name."""
db_path = tmp_path / "granularity.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.executemany(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
[
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
("EURUSD", 16385, "2024-01-01T00:00:00+00:00", 1.1),
],
)
create_rate_compatibility_views(conn)
result = load_rate_series_by_granularity(
db_path,
["EURUSD"],
["M1", "H1"],
count=1,
)
assert set(result) == {("EURUSD", "M1"), ("EURUSD", "H1")}
def test_load_rate_series_by_granularity_explicit_tables(
self,
tmp_path: Path,
) -> None:
"""Test explicit tables with None-symbol targets key by granularity."""
db_path = tmp_path / "granularity-explicit.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE custom_view(time TEXT, close REAL)")
conn.execute(
"INSERT INTO custom_view(time, close) VALUES (?, ?)",
("2024-01-01T00:00:00+00:00", 1.0),
)
result = load_rate_series_by_granularity(
db_path,
[],
["M1"],
count=1,
explicit_tables=["custom_view"],
allow_missing_symbol=True,
)
assert set(result) == {(None, "M1")}
def test_load_rate_series_reuses_path_connection(
self,
tmp_path: Path,
mocker: MockerFixture,
) -> None:
"""Test loading from a path opens SQLite once for resolve and reads."""
db_path = tmp_path / "single-open-series.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
create_rate_compatibility_views(conn)
connect_spy = mocker.spy(history.sqlite3, "connect")
result = load_rate_series_from_sqlite(
db_path,
build_rate_targets(["EURUSD"], ["M1"]),
count=1,
)
assert set(result) == {("EURUSD", 1)}
assert connect_spy.call_count == 1
def test_load_rate_series_with_explicit_tables(self, tmp_path: Path) -> None:
"""Test explicit tables and None-symbol targets load series."""
db_path = tmp_path / "explicit.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE custom_view(time TEXT, close REAL)")
conn.execute(
"INSERT INTO custom_view(time, close) VALUES (?, ?)",
("2024-01-01T00:00:00+00:00", 1.0),
)
targets = build_rate_targets([], ["M1"], allow_missing_symbol=True)
result = load_rate_series_from_sqlite(
db_path,
targets,
count=1,
explicit_tables=["custom_view"],
)
assert set(result) == {(None, 1)}
def test_load_rate_series_rejects_non_positive_count(self) -> None:
"""Test loading requires a positive count."""
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="count must be positive"):
load_rate_series_from_sqlite("unused.db", targets, count=0)
def test_load_rate_series_rejects_empty_targets(self) -> None:
"""Test loading requires at least one target before opening SQLite."""
with pytest.raises(ValueError, match="At least one rate target"):
load_rate_series_from_sqlite("unused.db", [], count=1)
def test_load_rate_series_requires_symbol_without_explicit_tables(self) -> None:
"""Test None-symbol targets require explicit tables before opening SQLite."""
targets = build_rate_targets([], ["M1"], allow_missing_symbol=True)
with pytest.raises(ValueError, match="without a symbol"):
load_rate_series_from_sqlite("unused.db", targets, count=1)
def test_load_rate_series_requires_existing_managed_views(
self,
tmp_path: Path,
) -> None:
"""Test loading without explicit tables requires managed rate views."""
db_path = tmp_path / "no-managed-views.db"
with sqlite3.connect(db_path) as conn:
conn.execute(
"CREATE TABLE rates("
" symbol TEXT, timeframe INTEGER, time TEXT, close REAL)",
)
conn.execute(
"INSERT INTO rates(symbol, timeframe, time, close) VALUES (?, ?, ?, ?)",
("EURUSD", 1, "2024-01-01T00:00:00+00:00", 1.0),
)
targets = build_rate_targets(["EURUSD"], ["M1"])
with pytest.raises(ValueError, match="No rate compatibility view exists"):
load_rate_series_from_sqlite(db_path, targets, count=1)
def test_load_rate_series_rejects_duplicate_targets(self) -> None:
"""Test duplicate (symbol, timeframe) targets are rejected."""
targets = [
RateTarget("EURUSD", 1),
RateTarget("EURUSD", "M1"),
]
with pytest.raises(ValueError, match=r"Duplicate rate target: \('EURUSD', 1\)"):
load_rate_series_from_sqlite("unused.db", targets, count=1)
def test_load_rate_series_rejects_duplicate_targets_with_explicit_tables(
self,
tmp_path: Path,
) -> None:
"""Test duplicate targets are rejected even with explicit tables."""
db_path = tmp_path / "duplicate-explicit.db"
with sqlite3.connect(db_path) as conn:
conn.execute("CREATE TABLE custom_view(time TEXT, close REAL)")
conn.execute(
"INSERT INTO custom_view(time, close) VALUES (?, ?)",
("2024-01-01T00:00:00+00:00", 1.0),
)
targets = [
RateTarget("EURUSD", 1),
RateTarget("EURUSD", 1),
]
with pytest.raises(ValueError, match=r"Duplicate rate target: \('EURUSD', 1\)"):
load_rate_series_from_sqlite(
db_path,
targets,
count=1,
explicit_tables=["custom_view", "custom_view"],
)
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