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PolyWeather/tests/test_polymarket_readonly.py
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from src.data_collection.polymarket_readonly import PolymarketReadOnlyLayer
def test_normalize_orderbook_uses_sorted_best_prices():
layer = PolymarketReadOnlyLayer()
raw = {
"bids": [
{"price": "0.24", "size": "10"},
{"price": "0.31", "size": "5"},
{"price": "0.27", "size": "8"},
],
"asks": [
{"price": "0.44", "size": "9"},
{"price": "0.39", "size": "6"},
{"price": "0.42", "size": "4"},
],
}
book, _liquidity = layer._normalize_orderbook(raw)
assert book is not None
assert book["best_bid"] == 0.31
assert book["best_ask"] == 0.39
assert book["bid_levels"][0][0] == 0.31
assert book["ask_levels"][0][0] == 0.39
def test_extract_market_bucket_range_supports_fahrenheit_ranges():
layer = PolymarketReadOnlyLayer()
market = {
"question": "Will the highest temperature in Miami be between 80-81°F on April 21?",
"slug": "highest-temperature-in-miami-on-april-21-2026-80-81f",
}
assert layer._extract_market_bucket_range(market) == (80.0, 81.0, "F")
assert layer._extract_market_bucket_temp(market) == 80.5
assert layer._extract_market_bucket_label(market, 80.5) == "80-81F"
def test_fetch_token_market_data_uses_rest_orderbook_executable_prices():
layer = PolymarketReadOnlyLayer()
payloads = {
("/price", "BUY"): {"price": "0.11"},
("/price", "SELL"): {"price": "0.88"},
("/midpoint", None): {"midpoint": "0.50"},
("/last-trade-price", None): {"price": "0.49"},
("/book", None): {
"bids": [{"price": "0.24", "size": "10"}],
"asks": [{"price": "0.26", "size": "12"}],
},
}
def _fake_clob_get(path, params):
if path == "/price":
return payloads[(path, params.get("side"))]
return payloads[(path, None)]
layer._clob_get = _fake_clob_get
data = layer._fetch_token_market_data("token-1")
# Executable BUY should match best ask from the book.
assert data["buy"] == 0.26
# Executable SELL should match best bid from the book.
assert data["sell"] == 0.24
assert data["midpoint"] == 0.5
assert data["last_trade_price"] == 0.49
assert data["quote_source"] == "polymarket_clob_rest"
def test_get_token_market_data_uses_price_cache_within_ttl():
layer = PolymarketReadOnlyLayer()
calls = []
def _fake_fetch(_token_id):
calls.append(_token_id)
return {"buy": 0.33, "sell": 0.31, "midpoint": 0.32}
layer._fetch_token_market_data = _fake_fetch
first = layer._get_token_market_data("token-1")
second = layer._get_token_market_data("token-1")
assert first["buy"] == 0.33
assert second["midpoint"] == 0.32
assert calls == ["token-1"]
def test_price_analysis_computes_edge_kelly_and_lock():
layer = PolymarketReadOnlyLayer()
analysis = layer._build_price_analysis(
model_probability=0.62,
yes_buy=0.52,
yes_sell=0.50,
no_buy=0.45,
no_sell=0.43,
)
assert analysis["available"] is True
assert abs(analysis["yes"]["edge"] - 0.10) < 0.000001
assert round(analysis["yes"]["kelly_fraction"], 6) == round(
(0.62 - 0.52) / (1.0 - 0.52),
6,
)
assert round(analysis["yes"]["quarter_kelly"], 6) == round(
((0.62 - 0.52) / (1.0 - 0.52)) / 4.0,
6,
)
assert abs(analysis["no"]["edge"] - -0.07) < 0.000001
assert analysis["lock"]["available"] is True
assert round(analysis["lock"]["edge"], 6) == 0.03
assert analysis["best_side"] == "yes"
def test_trade_state_keeps_open_markets_tradable_after_gamma_end_date():
layer = PolymarketReadOnlyLayer()
state = layer._market_trade_state(
{
"active": True,
"closed": False,
"acceptingOrders": True,
"endDate": "2020-01-01T00:00:00Z",
}
)
assert state["tradable"] is True
assert state["reason"] is None
assert state["ended_at_utc"] == "2020-01-01T00:00:00+00:00"
def test_lau_fau_shan_uses_shenzhen_market_city():
layer = PolymarketReadOnlyLayer()
captured = {}
def _fake_find_primary_market(city_key, target_date, **_kwargs):
captured["primary_city_key"] = city_key
captured["target_date"] = target_date
return (
{
"id": "market-1",
"question": "Will the highest temperature in Shenzhen be 30C or higher on April 23?",
"slug": "highest-temperature-in-shenzhen-on-april-23-2026-30c-or-higher",
"conditionId": "condition-1",
"active": True,
"closed": False,
"acceptingOrders": True,
"volumeNum": 1000,
"liquidityNum": 500,
},
None,
)
layer._find_primary_market = _fake_find_primary_market
layer._extract_market_tokens = lambda _market: [
{"outcome": "Yes", "token_id": "yes-token"},
{"outcome": "No", "token_id": "no-token"},
]
layer._get_token_market_data = lambda token_id: (
{"buy": 0.42, "sell": 0.40, "midpoint": 0.41}
if token_id == "yes-token"
else {"buy": 0.61, "sell": 0.59, "midpoint": 0.60}
)
def _fake_build_top_temperature_buckets(city_key, **_kwargs):
captured["bucket_city_key"] = city_key
return []
layer._build_top_temperature_buckets = _fake_build_top_temperature_buckets
scan = layer.build_market_scan(
city="Lau Fau Shan",
target_date="2026-04-23",
temperature_bucket={"temp": 30, "probability": 0.58},
model_probability=0.58,
)
assert captured["primary_city_key"] == "shenzhen"
assert captured["bucket_city_key"] == "shenzhen"
assert scan["city_key"] == "lau fau shan"
assert scan["market_city_key"] == "shenzhen"
assert scan["selected_slug"] == "highest-temperature-in-shenzhen-on-april-23-2026-30c-or-higher"
def test_build_market_scan_lite_skips_related_buckets():
layer = PolymarketReadOnlyLayer()
layer._find_primary_market = lambda *_args, **_kwargs: (
{
"id": "market-1",
"question": "Will the highest temperature in Shenzhen be 30C or higher on April 23?",
"slug": "highest-temperature-in-shenzhen-on-april-23-2026-30c-or-higher",
"conditionId": "condition-1",
"active": True,
"closed": False,
"acceptingOrders": True,
},
None,
)
layer._extract_market_tokens = lambda _market: [
{"outcome": "Yes", "token_id": "yes-token"},
{"outcome": "No", "token_id": "no-token"},
]
layer._get_token_market_data = lambda token_id: (
{"buy": 0.42, "sell": 0.40, "midpoint": 0.41}
if token_id == "yes-token"
else {"buy": 0.61, "sell": 0.59, "midpoint": 0.60}
)
called = {"bucket": 0}
def _fake_build_top_temperature_buckets(**_kwargs):
called["bucket"] += 1
return [{"value": 30.0, "market_price": 0.41}]
layer._build_top_temperature_buckets = _fake_build_top_temperature_buckets
scan = layer.build_market_scan(
city="Shenzhen",
target_date="2026-04-23",
temperature_bucket={"temp": 30, "probability": 0.58},
model_probability=0.58,
include_related_buckets=False,
)
assert scan["scan_scope"] == "lite"
assert scan["midpoint"] == 0.41
assert round(scan["spread"], 6) == 0.02
assert scan["top_buckets"] == []
assert scan["all_buckets"] == []
assert called["bucket"] == 0
def test_build_market_scan_aggregates_emos_probability_for_threshold_market():
layer = PolymarketReadOnlyLayer()
layer._find_primary_market = lambda *_args, **_kwargs: (
{
"id": "market-1",
"question": "Will the highest temperature in Shenzhen be 30C or higher on April 23?",
"slug": "highest-temperature-in-shenzhen-on-april-23-2026-30c-or-higher",
"conditionId": "condition-1",
"active": True,
"closed": False,
"acceptingOrders": True,
},
None,
)
layer._extract_market_tokens = lambda _market: [
{"outcome": "Yes", "token_id": "yes-token"},
{"outcome": "No", "token_id": "no-token"},
]
layer._get_token_market_data = lambda token_id: (
{"buy": 0.42, "sell": 0.40, "midpoint": 0.41}
if token_id == "yes-token"
else {"buy": 0.61, "sell": 0.59, "midpoint": 0.60}
)
layer._build_top_temperature_buckets = lambda **_kwargs: []
scan = layer.build_market_scan(
city="Shenzhen",
target_date="2026-04-23",
temperature_bucket={"temp": 30, "probability": 0.30},
model_probability=0.30,
probability_distribution=[
{"value": 29, "probability": 0.20},
{"value": 30, "probability": 0.30},
{"value": 31, "probability": 0.50},
],
temp_symbol="°C",
)
assert round(scan["model_probability"], 6) == 0.8
assert round(scan["edge_percent"], 6) == 39.0
def test_build_top_temperature_buckets_use_aggregated_emos_probability():
layer = PolymarketReadOnlyLayer()
primary_market = {
"slug": "highest-temperature-in-ankara-on-march-12-2026-14c-or-higher",
"question": "Will the highest temperature in Ankara be 14C or higher on March 12?",
"volumeNum": 1000,
}
markets = [
primary_market,
{
"slug": "highest-temperature-in-ankara-on-march-12-2026-15c-or-higher",
"question": "Will the highest temperature in Ankara be 15C or higher on March 12?",
"volumeNum": 900,
},
]
layer._collect_related_temperature_markets = (
lambda city_key, target_date, primary_market: markets
)
layer._extract_market_tokens = lambda market: [
{"outcome": "Yes", "token_id": f"{market['slug']}|yes"},
{"outcome": "No", "token_id": f"{market['slug']}|no"},
]
layer._get_token_market_data = lambda token_id: (
{"midpoint": 0.41, "buy": 0.42, "sell": 0.40}
if token_id.endswith("|yes")
else {"midpoint": 0.59, "buy": 0.60, "sell": 0.58}
)
rows = layer._build_top_temperature_buckets(
city_key="ankara",
target_date="2026-03-12",
primary_market=primary_market,
probability_distribution=[
{"value": 13, "probability": 0.10},
{"value": 14, "probability": 0.25},
{"value": 15, "probability": 0.35},
{"value": 16, "probability": 0.30},
],
temp_symbol="°C",
limit=4,
)
assert round(rows[0]["probability"], 6) == 0.9
assert round(rows[0]["edge_percent"], 6) == 49.0
assert round(rows[1]["probability"], 6) == 0.65
def test_hydrate_bucket_prices_uses_executable_quotes_without_midpoint():
layer = PolymarketReadOnlyLayer()
buckets = [
{
"temp": 14.0,
"yes_token_id": "yes-token",
"no_token_id": "no-token",
}
]
def _fake_get_token_market_data(token_id):
if token_id == "yes-token":
return {
"buy": 0.66,
"sell": 0.70,
"quote_source": "polymarket_clob_rest",
"quote_age_ms": 0,
}
return {"buy": 0.30, "sell": 0.36}
layer._get_token_market_data = _fake_get_token_market_data
layer._hydrate_bucket_prices(buckets)
assert buckets[0]["yes_buy"] == 0.66
assert buckets[0]["yes_sell"] == 0.70
assert buckets[0]["no_buy"] == 0.30
assert buckets[0]["no_sell"] == 0.36
assert round(buckets[0]["market_price"], 6) == 0.68
assert round(buckets[0]["probability"], 6) == 0.68
assert buckets[0]["quote_source"] == "polymarket_clob_rest"
def test_build_top_temperature_buckets_dedupes_same_temperature():
layer = PolymarketReadOnlyLayer()
primary_market = {
"slug": "highest-temperature-in-ankara-on-march-12-2026-14c-or-higher",
"question": "Will the highest temperature in Ankara be 14C or higher on March 12?",
"volumeNum": 1000,
}
markets = [
primary_market,
{
"slug": "highest-temperature-in-ankara-on-march-12-2026-14c-or-higher-v2",
"question": "Will the highest temperature in Ankara be 14C or higher on March 12? (v2)",
"volumeNum": 900,
},
{
"slug": "highest-temperature-in-ankara-on-march-12-2026-13c-or-higher",
"question": "Will the highest temperature in Ankara be 13C or higher on March 12?",
"volumeNum": 1100,
},
{
"slug": "highest-temperature-in-ankara-on-march-12-2026-12c-or-higher",
"question": "Will the highest temperature in Ankara be 12C or higher on March 12?",
"volumeNum": 1200,
},
{
"slug": "highest-temperature-in-ankara-on-march-12-2026-14c-or-lower",
"question": "Will the highest temperature in Ankara be 14C or lower on March 12?",
"volumeNum": 1300,
},
]
layer._collect_related_temperature_markets = (
lambda city_key, target_date, primary_market: markets
)
def _fake_extract_market_tokens(market):
slug = str(market.get("slug") or "")
return [
{"outcome": "Yes", "token_id": f"{slug}|yes"},
{"outcome": "No", "token_id": f"{slug}|no"},
]
layer._extract_market_tokens = _fake_extract_market_tokens
midpoint_map = {
"highest-temperature-in-ankara-on-march-12-2026-14c-or-higher": 0.79,
"highest-temperature-in-ankara-on-march-12-2026-14c-or-higher-v2": 0.16,
"highest-temperature-in-ankara-on-march-12-2026-13c-or-higher": 0.06,
"highest-temperature-in-ankara-on-march-12-2026-12c-or-higher": 0.01,
"highest-temperature-in-ankara-on-march-12-2026-14c-or-lower": 0.92,
}
def _fake_get_token_market_data(token_id):
slug, side = str(token_id).split("|", 1)
if side == "yes":
midpoint = midpoint_map.get(slug, 0.5)
return {
"midpoint": midpoint,
"buy": max(0.0, min(1.0, midpoint + 0.01)),
"sell": max(0.0, min(1.0, midpoint - 0.01)),
}
midpoint = 1.0 - midpoint_map.get(slug, 0.5)
return {
"midpoint": midpoint,
"buy": max(0.0, min(1.0, midpoint + 0.01)),
"sell": max(0.0, min(1.0, midpoint - 0.01)),
}
layer._get_token_market_data = _fake_get_token_market_data
rows = layer._build_top_temperature_buckets(
city_key="ankara",
target_date="2026-03-12",
primary_market=primary_market,
limit=4,
)
values = [row.get("value") for row in rows]
token_ids = [row.get("yes_token_id") for row in rows]
assert len(values) == len(set(values))
assert len(token_ids) == len(set(token_ids))
assert rows[0]["value"] == 14.0
assert rows[0]["yes_token_id"] == (
"highest-temperature-in-ankara-on-march-12-2026-14c-or-higher|yes"
)
assert all(not str(row.get("label") or "").startswith("<=") for row in rows)
def test_find_primary_market_prefers_preferred_temperature_and_cache_key():
layer = PolymarketReadOnlyLayer()
markets = [
{
"slug": "highest-temperature-in-madrid-on-april-23-2026-22corbelow",
"question": "Will the highest temperature in Madrid be 22C or below on April 23?",
"volumeNum": 900000,
"active": True,
"closed": False,
"acceptingOrders": True,
"enableOrderBook": True,
},
{
"slug": "highest-temperature-in-madrid-on-april-23-2026-27c",
"question": "Will the highest temperature in Madrid be 27C on April 23?",
"volumeNum": 1000,
"active": True,
"closed": False,
"acceptingOrders": True,
"enableOrderBook": True,
},
]
layer._load_markets = lambda active_only=True: markets
selected_27, reason_27 = layer._find_primary_market(
"madrid",
"2026-04-23",
preferred_temp=27.0,
)
selected_22, reason_22 = layer._find_primary_market(
"madrid",
"2026-04-23",
preferred_temp=22.0,
)
assert reason_27 is None
assert reason_22 is None
assert selected_27["slug"] == "highest-temperature-in-madrid-on-april-23-2026-27c"
assert selected_22["slug"] == "highest-temperature-in-madrid-on-april-23-2026-22corbelow"