359 lines
14 KiB
Python
359 lines
14 KiB
Python
# Tools for A Feminist Audit of Pop Music.
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# Copyright 2026 imacat. All rights reserved.
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# Authors:
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# imacat@mail.imacat.idv.tw (imacat), 2026/7/31
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"""Unit tests for the working store builder module."""
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import io
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import tempfile
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import unittest
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from contextlib import redirect_stderr
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from pathlib import Path
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from typing import Any
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from unittest import mock
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import sqlalchemy as sa
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from sqlalchemy.orm import Session
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from pop_fem_audit_tools import build_db, config
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from pop_fem_audit_tools.database import DataSource
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from pop_fem_audit_tools.models import (
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Artist,
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ChartEntry,
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Role,
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Song,
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)
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class TestParseArtistCredit(unittest.TestCase):
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"""Test cases for the artist credit parser."""
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def test_plain_solo(self) -> None:
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"""Test a plain solo artist credit."""
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self.assertEqual(build_db.parse_artist_credit("Adele"),
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[("Adele", Role.PRIMARY)])
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def test_featuring_with_and(self) -> None:
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"""Test a featuring credit with an "and" delimiter."""
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self.assertEqual(
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build_db.parse_artist_credit(
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"Drake featuring Wizkid and Kyla"),
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[("Drake", Role.PRIMARY),
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("Wizkid", Role.FEATURED),
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("Kyla", Role.FEATURED)])
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def test_comma_and_ampersand(self) -> None:
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"""Test a credit with comma and ampersand delimiters."""
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self.assertEqual(
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build_db.parse_artist_credit(
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"Lady Gaga, Bradley Cooper & BloodPop"),
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[("Lady Gaga", Role.PRIMARY),
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("Bradley Cooper", Role.PRIMARY),
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("BloodPop", Role.PRIMARY)])
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def test_x_delimiter(self) -> None:
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"""Test the "x" delimiter."""
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self.assertEqual(
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build_db.parse_artist_credit("KAROL G x Nicki Minaj"),
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[("KAROL G", Role.PRIMARY),
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("Nicki Minaj", Role.PRIMARY)])
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def test_plus_delimiter(self) -> None:
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"""Test the "+" delimiter."""
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self.assertEqual(
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build_db.parse_artist_credit("Marshmello + Halsey"),
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[("Marshmello", Role.PRIMARY),
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("Halsey", Role.PRIMARY)])
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def test_with_delimiter(self) -> None:
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"""Test the "with" delimiter."""
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self.assertEqual(
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build_db.parse_artist_credit(
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"Kane Brown with Lauren Alaina"),
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[("Kane Brown", Role.PRIMARY),
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("Lauren Alaina", Role.PRIMARY)])
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def test_feat_abbreviation(self) -> None:
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"""Test that "Feat." splits the featured side."""
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self.assertEqual(
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build_db.parse_artist_credit(
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"Ariana Grande Feat. Doja Cat"
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" & Megan Thee Stallion"),
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[("Ariana Grande", Role.PRIMARY),
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("Doja Cat", Role.FEATURED),
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("Megan Thee Stallion", Role.FEATURED)])
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def test_case_insensitive_featuring(self) -> None:
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"""Test that "Featuring" splits case-insensitively."""
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self.assertEqual(
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build_db.parse_artist_credit(
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"24kGoldn Featuring iann dior"),
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[("24kGoldn", Role.PRIMARY),
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("iann dior", Role.FEATURED)])
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class TestBuildDB(unittest.TestCase):
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"""Test cases for the working store build."""
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CHART_CSV: str = (
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"year,rank,title,artist\n"
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"2016,1,Hello,Adele\n"
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"2016,2,One Dance,Drake featuring Wizkid\n"
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"2017,1,One Dance,Drake featuring Wizkid\n"
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"2017,2,Shape of You,Ed Sheeran\n")
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"""The default chart CSV fixture: 2 years with 2 ranks each."""
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def setUp(self) -> None:
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"""Create a temporary data directory with the fixtures."""
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tmp: tempfile.TemporaryDirectory[str] \
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= tempfile.TemporaryDirectory()
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self.addCleanup(tmp.cleanup)
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self.__dir: Path = Path(tmp.name)
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self.__chart: Path = self.__dir / "chart.csv"
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self.__lyrics: Path = self.__dir / "lyrics"
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self.__wikidata: Path = \
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self.__dir / "artists_wikidata.csv"
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self.__overrides: Path = \
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self.__dir / "artists_overrides.csv"
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self.__write_chart(self.CHART_CSV)
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url: str = f"sqlite:///{self.__dir}/store.sqlite3"
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config.set_settings(config.Settings(
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SQLALCHEMY_DATABASE_URL=url,
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ANTHROPIC_API_KEY="test-key"))
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self.__ds: DataSource = DataSource()
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patchers: list[Any] = [
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mock.patch.object(build_db, "ds", self.__ds),
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mock.patch.object(build_db, "YEARS", [2016, 2017]),
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mock.patch.object(build_db, "RANKS_PER_YEAR", 2)]
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for patcher in patchers:
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patcher.start()
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self.addCleanup(patcher.stop)
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def __write_chart(self, content: str) -> None:
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"""Write the chart CSV fixture.
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:param content: The CSV content.
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:return: None.
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"""
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self.__chart.write_text(content, encoding="utf-8")
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def __run_build(self, *options: str) -> tuple[int, str]:
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"""Run the build with the standard error captured.
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:param options: The additional command-line options.
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:return: A tuple of the exit status and the standard
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error.
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"""
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stderr: io.StringIO = io.StringIO()
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with redirect_stderr(stderr):
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status: int = build_db.main(
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[str(self.__chart), *options])
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return status, stderr.getvalue()
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def __session(self) -> Session:
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"""Open a database session closed on test cleanup.
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:return: The database session.
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"""
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session: Session = self.__ds.get_db()
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self.addCleanup(session.close)
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return session
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def __song_titles(self) -> dict[int, str]:
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"""Read the song titles keyed by their IDs.
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:return: The song titles, keyed by the song IDs.
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"""
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session: Session = self.__session()
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return {x.id: x.title
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for x in session.scalars(sa.select(Song))}
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def test_dedup_repeated_song(self) -> None:
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"""Test that a song repeated across years is stored once."""
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status: int
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stderr: str
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status, stderr = self.__run_build()
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self.assertEqual(status, 0)
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session: Session = self.__session()
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self.assertEqual(
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len(list(session.scalars(sa.select(Song)))), 3)
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song: Song | None = session.scalar(
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sa.select(Song).where(Song.title == "One Dance"))
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assert song is not None
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self.assertEqual(sorted((x.year, x.rank)
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for x in song.chart_entries),
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[(2016, 2), (2017, 1)])
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self.assertEqual([(x.artist.name, x.role, x.position)
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for x in song.song_artists],
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[("Drake", Role.PRIMARY, 0),
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("Wizkid", Role.FEATURED, 1)])
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self.assertIn("3 songs", stderr)
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self.assertIn("4 chart entries", stderr)
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self.assertIn("4 artists", stderr)
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self.assertIn("4 credits", stderr)
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def test_first_run_on_fresh_store(self) -> None:
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"""Test that a build on a fresh store creates the tables."""
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self.assertFalse((self.__dir / "store.sqlite3").exists())
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self.assertEqual(self.__run_build()[0], 0)
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session: Session = self.__session()
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self.assertEqual(
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len(list(session.scalars(sa.select(Song)))), 3)
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def test_deterministic_ids(self) -> None:
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"""Test that two rebuilds assign the same song IDs."""
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self.assertEqual(self.__run_build()[0], 0)
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titles: dict[int, str] = self.__song_titles()
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self.assertEqual(titles, {1: "Hello", 2: "One Dance",
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3: "Shape of You"})
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self.assertEqual(self.__run_build()[0], 0)
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self.assertEqual(self.__song_titles(), titles)
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def test_failed_build_keeps_previous(self) -> None:
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"""Test that a failed build keeps the previous contents."""
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self.assertEqual(self.__run_build()[0], 0)
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titles: dict[int, str] = self.__song_titles()
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self.__write_chart(
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"year,rank,title,artist\n"
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"2016,1,Hello,Adele\n")
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status: int
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stderr: str
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status, stderr = self.__run_build()
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self.assertNotEqual(status, 0)
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self.assertIn("year 2016 rank 2", stderr)
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self.assertEqual(self.__song_titles(), titles)
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session: Session = self.__session()
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self.assertEqual(
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len(list(session.scalars(sa.select(ChartEntry)))), 4)
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def test_missing_rank_fails(self) -> None:
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"""Test that a missing rank fails without partial data."""
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self.__write_chart(
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"year,rank,title,artist\n"
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"2016,1,Hello,Adele\n"
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"2016,2,One Dance,Drake featuring Wizkid\n"
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"2017,1,One Dance,Drake featuring Wizkid\n")
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status: int
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stderr: str
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status, stderr = self.__run_build()
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self.assertNotEqual(status, 0)
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self.assertIn("year 2017 rank 2", stderr)
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session: Session = self.__session()
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self.assertEqual(
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list(session.scalars(sa.select(ChartEntry))), [])
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self.assertEqual(list(session.scalars(sa.select(Song))), [])
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def test_overrides_apply_over_wikidata(self) -> None:
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"""Test that the overrides win over the Wikidata snapshot."""
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self.__wikidata.write_text(
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"name,qid,gender,type,genre,country,note\n"
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"Adele,Q2831,female,solo,pop,GB,\n",
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encoding="utf-8")
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self.__overrides.write_text(
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"name,qid,gender,type,genre,country,note\n"
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"Adele,,,,soul,,manually checked\n",
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encoding="utf-8")
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self.assertEqual(self.__run_build(
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"--wikidata-csv", str(self.__wikidata),
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"--overrides-csv", str(self.__overrides))[0], 0)
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session: Session = self.__session()
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artist: Artist | None = session.scalar(
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sa.select(Artist).where(Artist.name == "Adele"))
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assert artist is not None
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self.assertEqual(artist.genre, "soul")
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self.assertEqual(artist.gender, "female")
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self.assertEqual(artist.wikidata_qid, "Q2831")
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self.assertEqual(artist.country, "GB")
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def test_unknown_override_name_fails(self) -> None:
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"""Test that an unknown override name fails the build."""
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self.__overrides.write_text(
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"name,qid,gender,type,genre,country,note\n"
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"Adel,,female,,,,typo\n", encoding="utf-8")
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status: int
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stderr: str
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status, stderr = self.__run_build(
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"--overrides-csv", str(self.__overrides))
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self.assertNotEqual(status, 0)
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self.assertIn("Adel", stderr)
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session: Session = self.__session()
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self.assertEqual(list(session.scalars(sa.select(Song))), [])
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def test_lyrics_loaded(self) -> None:
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"""Test loading the lyrics cache into the songs."""
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self.__lyrics.mkdir()
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(self.__lyrics / "1.txt").write_text(
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"Hello, it's me\n", encoding="utf-8")
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(self.__lyrics / "999.txt").write_text(
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"orphan\n", encoding="utf-8")
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status: int
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stderr: str
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status, stderr = self.__run_build(
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"--lyrics-dir", str(self.__lyrics))
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self.assertEqual(status, 0)
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self.assertIn("999", stderr)
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self.assertIn("1 songs with lyrics", stderr)
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session: Session = self.__session()
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song: Song | None = session.get(Song, 1)
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assert song is not None
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self.assertEqual(song.title, "Hello")
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self.assertEqual(song.lyrics, "Hello, it's me\n")
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def test_omitted_options_skip_capture_layers(self) -> None:
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"""Test that omitted options leave the layers unloaded."""
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self.__lyrics.mkdir()
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(self.__lyrics / "1.txt").write_text(
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"Hello, it's me\n", encoding="utf-8")
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self.__wikidata.write_text(
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"name,qid,gender,type,genre,country,note\n"
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"Adele,Q2831,female,solo,pop,GB,\n",
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encoding="utf-8")
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status: int
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stderr: str
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status, stderr = self.__run_build()
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self.assertEqual(status, 0)
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self.assertIn("0 songs with lyrics", stderr)
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session: Session = self.__session()
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song: Song | None = session.get(Song, 1)
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assert song is not None
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self.assertIsNone(song.lyrics)
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artist: Artist | None = session.scalar(
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sa.select(Artist).where(Artist.name == "Adele"))
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assert artist is not None
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self.assertIsNone(artist.wikidata_qid)
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self.assertIsNone(artist.gender)
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def test_missing_lyrics_dir_fails(self) -> None:
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"""Test that a given but missing lyrics directory fails."""
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status: int
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stderr: str
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status, stderr = self.__run_build(
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"--lyrics-dir", str(self.__lyrics))
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self.assertNotEqual(status, 0)
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self.assertIn(f"error: {self.__lyrics}", stderr)
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session: Session = self.__session()
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self.assertEqual(list(session.scalars(sa.select(Song))), [])
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def test_missing_wikidata_csv_fails(self) -> None:
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"""Test that a given but missing snapshot CSV fails."""
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status: int
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stderr: str
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status, stderr = self.__run_build(
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"--wikidata-csv", str(self.__wikidata))
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self.assertNotEqual(status, 0)
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self.assertIn("error:", stderr)
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self.assertIn(str(self.__wikidata), stderr)
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session: Session = self.__session()
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self.assertEqual(list(session.scalars(sa.select(Song))), [])
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def test_missing_overrides_csv_fails(self) -> None:
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"""Test that a given but missing override CSV fails."""
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status: int
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stderr: str
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status, stderr = self.__run_build(
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"--overrides-csv", str(self.__overrides))
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self.assertNotEqual(status, 0)
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self.assertIn("error:", stderr)
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self.assertIn(str(self.__overrides), stderr)
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session: Session = self.__session()
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self.assertEqual(list(session.scalars(sa.select(Song))), [])
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