mirror of
https://github.com/wilsonfreitas/awesome-quant.git
synced 2026-11-02 12:26:33 +00:00
388 lines
15 KiB
Python
388 lines
15 KiB
Python
import tempfile
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import threading
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import time
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import unittest
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from pathlib import Path
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from types import SimpleNamespace
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from unittest.mock import patch
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from github import GithubException
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from scripts.audit_readme import (
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AuditTarget,
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Candidate,
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FindingKind,
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audit_readme,
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collect_targets,
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)
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from scripts.readme_entries import ReadmeEntry
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from scripts.url_probe import Outcome, UrlObservation
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def entry(line_number, section, name, url, *, raw_line=None):
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return ReadmeEntry(
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line_number=line_number,
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raw_line=raw_line or f"- [{name}]({url}) - `Python` - Entry.",
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section=section,
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name=name,
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url=url,
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tail="`Python` - Entry.",
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languages=["Python"],
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description="Entry.",
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)
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def observation(url, outcome=Outcome.OK, *, status=200, attempts=1, final_url=None, error=""):
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return UrlObservation(
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requested_url=url,
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final_url=final_url or url,
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status=status,
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outcome=outcome,
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attempts=attempts,
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error=error,
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)
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class FakeRepository:
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def __init__(
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self,
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full_name,
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*,
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name=None,
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stars=0,
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archived=False,
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disabled=False,
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fork=False,
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parent=None,
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):
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self.full_name = full_name
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self.name = name or full_name.rsplit("/", 1)[-1]
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self.html_url = f"https://github.com/{full_name}"
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self.stargazers_count = stars
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self.archived = archived
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self.disabled = disabled
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self.fork = fork
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self.parent = parent
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class FakeGithubClient:
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def __init__(self, repos=None, searches=None):
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self.repos = repos or {}
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self.searches = searches or {}
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self.repo_calls = []
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self.search_calls = []
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def get_repo(self, full_name):
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self.repo_calls.append(full_name)
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result = self.repos[full_name]
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if isinstance(result, BaseException):
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raise result
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return result
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def search_repositories(self, **kwargs):
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self.search_calls.append(kwargs)
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return iter(self.searches.get(kwargs["query"], ()))
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class AuditReadmeTests(unittest.TestCase):
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def test_collect_targets_uses_one_parser_pass_and_preserves_entry_and_url_order(self):
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first = entry(
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3,
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"Trading & Backtesting",
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"First",
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"https://first.example",
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raw_line=(
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"- [First](https://first.example) - `Python` - "
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"[Docs](https://docs.example)."
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),
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)
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second = entry(4, "Trading & Backtesting", "Second", "http://second.example")
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with patch(
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"scripts.audit_readme.iter_readme_entries",
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return_value=iter((first, second)),
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) as parser:
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targets = collect_targets("README.fixture.md")
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parser.assert_called_once_with("README.fixture.md")
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self.assertEqual(
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targets,
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[
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AuditTarget(first, "https://first.example", True),
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AuditTarget(first, "https://docs.example", False),
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AuditTarget(second, "http://second.example", True),
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],
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)
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def test_historical_entries_keep_link_and_move_findings_but_suppress_status_and_parent(self):
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url = "https://github.com/old/project.git"
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parent = FakeRepository("upstream/project")
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repository = FakeRepository(
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"new/project",
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archived=True,
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disabled=True,
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fork=True,
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parent=parent,
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)
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client = FakeGithubClient({"old/project": repository})
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findings = self.audit(
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f"## Historical & Archived Projects\n- [Project]({url}) - `Historical` - Entry.\n",
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client,
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{url: observation(url, Outcome.DEAD, status=404)},
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)
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self.assertEqual(
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[finding.kind for finding in findings],
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[FindingKind.DEAD, FindingKind.GITHUB_MOVED],
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)
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self.assertIn("https://github.com/new/project", findings[1].suggestion)
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self.assertEqual(client.repo_calls, ["old/project"])
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def test_moved_repository_is_reported_for_each_reference_but_looked_up_once(self):
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first_url = "http://github.com/Owner/Old.git"
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second_url = "https://github.com/owner/old"
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client = FakeGithubClient(
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{"Owner/Old": FakeRepository("Canonical/New")}
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)
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readme = (
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"## Trading & Backtesting\n"
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f"- [First]({first_url}) - `Python` - Entry.\n"
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f"- [Second]({second_url}) - `Python` - Entry.\n"
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)
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findings = self.audit(
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readme,
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client,
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{
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first_url: observation(first_url),
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second_url: observation(second_url),
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},
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)
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self.assertEqual(
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[finding.kind for finding in findings],
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[FindingKind.GITHUB_MOVED, FindingKind.GITHUB_MOVED],
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)
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self.assertEqual(client.repo_calls, ["Owner/Old"])
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self.assertTrue(
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all("https://github.com/Canonical/New" in finding.suggestion for finding in findings)
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)
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def test_active_fork_promotes_a_different_active_parent(self):
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url = "https://github.com/fork/project"
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parent = FakeRepository("upstream/project")
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client = FakeGithubClient(
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{"fork/project": FakeRepository("fork/project", fork=True, parent=parent)}
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)
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findings = self.audit(
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f"## Trading & Backtesting\n- [Project]({url}) - `Python` - Entry.\n",
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client,
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{url: observation(url)},
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)
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self.assertEqual([finding.kind for finding in findings], [FindingKind.GITHUB_PARENT])
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self.assertIn(parent.html_url, findings[0].suggestion)
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def test_active_non_fork_has_no_github_metadata_finding(self):
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url = "https://github.com/owner/project/"
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client = FakeGithubClient(
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{"owner/project": FakeRepository("OWNER/PROJECT", parent=FakeRepository("other/project"))}
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)
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findings = self.audit(
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f"## Trading & Backtesting\n- [Project]({url}) - `Python` - Entry.\n",
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client,
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{url: observation(url)},
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)
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self.assertEqual(findings, [])
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def test_github_404_adds_no_metadata_finding_and_other_api_errors_escape(self):
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missing_url = "https://github.com/owner/missing"
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broken_url = "https://github.com/owner/broken"
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missing = GithubException(404, {"message": "Not Found"})
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broken = GithubException(500, {"message": "Unavailable"})
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findings = self.audit(
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f"## Trading & Backtesting\n- [Missing]({missing_url}) - `Python` - Entry.\n",
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FakeGithubClient({"owner/missing": missing}),
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{missing_url: observation(missing_url, Outcome.DEAD, status=404)},
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)
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self.assertEqual([finding.kind for finding in findings], [FindingKind.DEAD])
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with self.assertRaises(GithubException):
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self.audit(
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f"## Trading & Backtesting\n- [Broken]({broken_url}) - `Python` - Entry.\n",
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FakeGithubClient({"owner/broken": broken}),
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{broken_url: observation(broken_url)},
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)
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def test_candidates_are_bounded_filtered_deduplicated_ranked_and_strictly_eligible(self):
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eligible_url = "https://dead.example/tool"
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suffix_url = "https://dead.example/docs"
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github_url = "https://github.com/owner/dead-tool"
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linked_url = "https://dead.example/linked"
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historical_url = "https://dead.example/historical"
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readme = (
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"## Trading & Backtesting\n"
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f"- [Dead Tool]({eligible_url}) - `Python` - Entry.\n"
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f"- [Suffix Owner](https://ok.example) - `Python` - [Docs]({suffix_url}).\n"
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f"- [Dead Tool]({github_url}) - `Python` - Entry.\n"
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f"- [Linked Tool]({linked_url}) - `Python` - Entry. [GitHub](https://github.com/linked/tool)\n"
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"## Historical & Archived Projects\n"
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f"- [Historical Tool]({historical_url}) - `Historical` - Entry.\n"
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)
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exact = [
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FakeRepository("zeta/dead-tool", name="dead_tool", stars=10),
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FakeRepository("beta/DeadTool", name="DeadTool", stars=80),
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FakeRepository("BETA/deadtool", name="dead-tool", stars=70),
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FakeRepository("alpha/dead-tool", name="DEAD TOOL", stars=80),
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FakeRepository("gamma/dead-tool", name="dead.tool", stars=30),
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FakeRepository("archived/dead-tool", name="dead-tool", stars=500, archived=True),
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FakeRepository("disabled/dead-tool", name="dead-tool", stars=400, disabled=True),
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FakeRepository("wrong/something", name="something", stars=900),
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]
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padding = [FakeRepository(f"wrong/pad-{index}", name=f"pad-{index}") for index in range(12)]
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beyond_cap = FakeRepository("beyond/dead-tool", name="dead-tool", stars=1000)
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client = FakeGithubClient(
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repos={
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"owner/dead-tool": FakeRepository("owner/dead-tool"),
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"linked/tool": FakeRepository("linked/tool"),
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},
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searches={"Dead Tool in:name": [*exact, *padding, beyond_cap]},
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)
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outcomes = {
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url: observation(
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url,
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Outcome.DEAD if url != "https://ok.example" else Outcome.OK,
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status=410 if url != "https://ok.example" else 200,
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)
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for url in (
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eligible_url,
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"https://ok.example",
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suffix_url,
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github_url,
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linked_url,
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"https://github.com/linked/tool",
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historical_url,
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)
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}
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findings = self.audit(readme, client, outcomes)
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candidate_findings = [finding for finding in findings if finding.kind == FindingKind.CANDIDATES]
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self.assertEqual(len(candidate_findings), 1)
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self.assertEqual(
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candidate_findings[0].candidates,
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(
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Candidate("alpha/dead-tool", "https://github.com/alpha/dead-tool", 80),
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Candidate("beta/DeadTool", "https://github.com/beta/DeadTool", 80),
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Candidate("gamma/dead-tool", "https://github.com/gamma/dead-tool", 30),
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),
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)
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self.assertIn("410", candidate_findings[0].evidence)
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self.assertIn("manual verification", candidate_findings[0].suggestion.casefold())
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self.assertEqual(
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client.search_calls,
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[{"query": "Dead Tool in:name", "sort": "stars", "order": "desc"}],
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)
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def test_all_finding_kinds_are_mapped_and_sorted_deterministically(self):
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urls = {
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"dead": "https://dead.example",
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"transient": "https://transient.example",
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"restricted": "https://restricted.example",
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"error": "https://error.example",
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"redirect": "https://redirect.example",
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"moved": "https://github.com/old/moved",
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"archived": "https://github.com/owner/archived",
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"disabled": "https://github.com/owner/disabled",
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"parent": "https://github.com/fork/project",
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}
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readme = "## Trading & Backtesting\n" + "".join(
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f"- [{name.title()}]({url}) - `Python` - Entry.\n"
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for name, url in reversed(list(urls.items()))
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)
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client = FakeGithubClient(
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repos={
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"old/moved": FakeRepository("new/moved"),
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"owner/archived": FakeRepository("owner/archived", archived=True),
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"owner/disabled": FakeRepository("owner/disabled", disabled=True),
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"fork/project": FakeRepository(
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"fork/project", fork=True, parent=FakeRepository("upstream/project")
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),
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},
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searches={"Dead in:name": [FakeRepository("candidate/dead", name="dead", stars=4)]},
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)
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outcomes = {
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urls["dead"]: observation(urls["dead"], Outcome.DEAD, status=404),
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urls["transient"]: observation(
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urls["transient"], Outcome.TRANSIENT, status=503, attempts=3,
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error="retry limit exceeded: HTTP 503",
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),
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urls["restricted"]: observation(urls["restricted"], Outcome.RESTRICTED, status=403),
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urls["error"]: observation(
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urls["error"], Outcome.HTTP_ERROR, status=None, error="unsafe URL"
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),
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urls["redirect"]: observation(
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urls["redirect"], Outcome.PERMANENT_REDIRECT, status=200,
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final_url="https://redirect.example/new",
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),
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urls["moved"]: observation(urls["moved"]),
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urls["archived"]: observation(urls["archived"]),
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urls["disabled"]: observation(urls["disabled"]),
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urls["parent"]: observation(urls["parent"]),
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}
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findings = self.audit(readme, client, outcomes)
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self.assertEqual([finding.kind for finding in findings], list(FindingKind))
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self.assertIn("3 attempts", findings[1].evidence)
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self.assertIn("503", findings[1].evidence)
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self.assertIn("next audit run", findings[1].suggestion)
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self.assertIn("manual browser", findings[2].suggestion)
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self.assertIn("manual diagnosis", findings[3].suggestion)
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self.assertIn("https://redirect.example/new", findings[4].evidence)
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self.assertIn("update", findings[4].suggestion.casefold())
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def test_eight_worker_out_of_order_probes_have_stable_results(self):
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urls = [f"https://project-{index}.example" for index in range(8)]
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readme = "## Trading & Backtesting\n" + "".join(
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f"- [Project {index}]({url}) - `Python` - Entry.\n"
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for index, url in enumerate(urls)
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)
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def run_with_delays(reverse):
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barrier = threading.Barrier(8)
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def delayed_probe(url):
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index = urls.index(url)
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barrier.wait(timeout=2)
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delay_index = index if reverse else 7 - index
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time.sleep(delay_index / 1000)
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return observation(url, Outcome.DEAD, status=404)
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return self.audit(readme, FakeGithubClient(), delayed_probe)
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forward = run_with_delays(False)
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reverse = run_with_delays(True)
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self.assertEqual(forward, reverse)
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self.assertEqual([finding.entry_name for finding in forward], [f"Project {i}" for i in range(8)])
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def audit(self, readme, client, observations):
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if callable(observations):
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prober = observations
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else:
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prober = observations.__getitem__
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with tempfile.TemporaryDirectory() as directory:
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path = Path(directory) / "README.md"
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path.write_text(readme, encoding="utf-8")
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return audit_readme(path, client, prober=prober)
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if __name__ == "__main__":
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unittest.main()
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