musicmuster/tests/test_file_importer.py
2025-03-04 13:22:29 +00:00

490 lines
17 KiB
Python

"""
Tests are named 'test_nnn_xxxx' where 'nn n' is a number. This is used to ensure that
the tests run in order as we rely (in some cases) upon the results of an earlier test.
Yes, we shouldn't do that.
"""
# Standard library imports
import os
import shutil
import tempfile
import unittest
from unittest.mock import MagicMock, patch
# PyQt imports
from PyQt6.QtWidgets import QDialog, QFileDialog
# Third party imports
from mutagen.mp3 import MP3 # type: ignore
import pytest
from pytestqt.plugin import QtBot # type: ignore
# App imports
from app import musicmuster
from app.models import (
db,
Playlists,
Tracks,
)
from config import Config
from file_importer import FileImporter
# Custom fixture to adapt qtbot for use with unittest.TestCase
@pytest.fixture(scope="class")
def qtbot_adapter(qapp, request):
"""Adapt qtbot fixture for usefixtures and unittest.TestCase"""
request.cls.qtbot = QtBot(request)
# Fixture for tmp_path to be available in the class
@pytest.fixture(scope="class")
def class_tmp_path(request, tmp_path_factory):
"""Provide a class-wide tmp_path"""
request.cls.tmp_path = tmp_path_factory.mktemp("pytest_tmp")
@pytest.mark.usefixtures("qtbot_adapter", "class_tmp_path")
class MyTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
"""Runs once before any test in this class"""
db.create_all()
cls.widget = musicmuster.Window()
# Create a playlist for all tests
playlist_name = "file importer playlist"
with db.Session() as session:
playlist = Playlists(session=session, name=playlist_name, template_id=0)
cls.widget._open_playlist(playlist)
# Create our musicstore
cls.import_source = tempfile.mkdtemp(suffix="_MMsource_pytest", dir="/tmp")
Config.REPLACE_FILES_DEFAULT_SOURCE = cls.import_source
cls.musicstore = tempfile.mkdtemp(suffix="_MMstore_pytest", dir="/tmp")
Config.IMPORT_DESTINATION = cls.musicstore
@classmethod
def tearDownClass(cls):
"""Runs once after all tests"""
db.drop_all()
shutil.rmtree(cls.musicstore)
shutil.rmtree(cls.import_source)
def setUp(self):
"""Runs before each test"""
with self.qtbot.waitExposed(self.widget):
self.widget.show()
def tearDown(self):
"""Runs after each test"""
self.widget.close() # Close UI to prevent side effects
def wait_for_workers(self, timeout: int = 10000):
"""
Let import threads workers run to completion
"""
def workers_empty():
assert FileImporter.workers == {}
self.qtbot.waitUntil(workers_empty, timeout=timeout)
def test_001_import_no_files(self):
"""Try importing with no files to import"""
with patch("file_importer.show_OK") as mock_show_ok:
self.widget.import_files_wrapper()
mock_show_ok.assert_called_once_with(
"File import",
f"No files in {Config.REPLACE_FILES_DEFAULT_SOURCE} to import",
None,
)
def test_002_import_file_and_cancel(self):
"""Cancel file import"""
test_track_path = "testdata/isa.mp3"
shutil.copy(test_track_path, self.import_source)
with (
patch("file_importer.PickMatch") as MockPickMatch,
patch("file_importer.show_OK") as mock_show_ok,
):
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Rejected
mock_dialog_instance.selected_track_id = -1 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="I'm So Afraid (Fleetwood Mac)",
choices=[("Do not import", -1, ""), ("Import as new track", 0, "")],
default=1,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
# Ensure selected_track_id was accessed after dialog.exec()
assert mock_dialog_instance.selected_track_id < 0
mock_show_ok.assert_called_once_with(
"File not imported",
"isa.mp3 will not be imported because you asked not to import this file",
)
def test_003_import_first_file(self):
"""Import file into empty directory"""
test_track_path = "testdata/isa.mp3"
shutil.copy(test_track_path, self.import_source)
with patch("file_importer.PickMatch") as MockPickMatch:
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Accepted
mock_dialog_instance.selected_track_id = 0 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="I'm So Afraid (Fleetwood Mac)",
choices=[("Do not import", -1, ""), ("Import as new track", 0, "")],
default=1,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
# Ensure selected_track_id was accessed after dialog.exec()
assert mock_dialog_instance.selected_track_id == 0
self.wait_for_workers()
# Check track was imported
with db.Session() as session:
tracks = Tracks.get_all(session)
assert len(tracks) == 1
track = tracks[0]
assert track.title == "I'm So Afraid"
assert track.artist == "Fleetwood Mac"
track_file = os.path.join(
self.musicstore, os.path.basename(test_track_path)
)
assert track.path == track_file
assert os.path.exists(track_file)
assert os.listdir(self.import_source) == []
def test_004_import_second_file(self):
"""Import a second file"""
test_track_path = "testdata/lovecats.mp3"
shutil.copy(test_track_path, self.import_source)
with patch("file_importer.PickMatch") as MockPickMatch:
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Accepted
mock_dialog_instance.selected_track_id = 0 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="The Lovecats (The Cure)",
choices=[("Do not import", -1, ""), ("Import as new track", 0, "")],
default=1,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
# Ensure selected_track_id was accessed after dialog.exec()
assert mock_dialog_instance.selected_track_id == 0
self.wait_for_workers()
# Check track was imported
with db.Session() as session:
tracks = Tracks.get_all(session)
assert len(tracks) == 2
track = tracks[1]
assert track.title == "The Lovecats"
assert track.artist == "The Cure"
track_file = os.path.join(
self.musicstore, os.path.basename(test_track_path)
)
assert track.path == track_file
assert os.path.exists(track_file)
assert os.listdir(self.import_source) == []
def test_005_replace_file(self):
"""Import the same file again and update existing track"""
test_track_path = "testdata/lovecats.mp3"
shutil.copy(test_track_path, self.import_source)
with patch("file_importer.PickMatch") as MockPickMatch:
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Accepted
mock_dialog_instance.selected_track_id = 2 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="The Lovecats (The Cure)",
choices=[
("Do not import", -1, ""),
("Import as new track", 0, ""),
(
"The Lovecats (The Cure) (100%)",
2,
os.path.join(
self.musicstore, os.path.basename(test_track_path)
),
),
],
default=2,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
self.wait_for_workers()
# Check track was imported
with db.Session() as session:
tracks = Tracks.get_all(session)
assert len(tracks) == 2
track = tracks[1]
assert track.title == "The Lovecats"
assert track.artist == "The Cure"
assert track.id == 2
track_file = os.path.join(
self.musicstore, os.path.basename(test_track_path)
)
assert track.path == track_file
assert os.path.exists(track_file)
assert os.listdir(self.import_source) == []
def test_006_import_file_no_tags(self) -> None:
"""Try to import untagged file"""
test_track_path = "testdata/lovecats.mp3"
test_filename = os.path.basename(test_track_path)
shutil.copy(test_track_path, self.import_source)
import_file = os.path.join(self.import_source, test_filename)
assert os.path.exists(import_file)
# Remove tags
src = MP3(import_file)
src.delete()
src.save()
with patch("file_importer.show_OK") as mock_show_ok:
self.widget.import_files_wrapper()
mock_show_ok.assert_called_once_with(
"File not imported",
f"{test_filename} will not be imported because of tag errors "
f"(Missing tags in {import_file})",
)
def test_007_import_unreadable_file(self) -> None:
"""Import unreadable file"""
test_track_path = "testdata/lovecats.mp3"
test_filename = os.path.basename(test_track_path)
shutil.copy(test_track_path, self.import_source)
import_file = os.path.join(self.import_source, test_filename)
assert os.path.exists(import_file)
# Make undreadable
os.chmod(import_file, 0)
with patch("file_importer.show_OK") as mock_show_ok:
self.widget.import_files_wrapper()
mock_show_ok.assert_called_once_with(
"File not imported",
f"{test_filename} will not be imported because {import_file} is unreadable",
)
# clean up
os.chmod(import_file, 0o777)
os.unlink(import_file)
def test_008_import_new_file_existing_destination(self) -> None:
"""Import duplicate file"""
test_track_path = "testdata/lovecats.mp3"
test_filename = os.path.basename(test_track_path)
new_destination = os.path.join(self.musicstore, "lc2.mp3")
shutil.copy(test_track_path, self.import_source)
import_file = os.path.join(self.import_source, test_filename)
assert os.path.exists(import_file)
with (
patch("file_importer.PickMatch") as MockPickMatch,
patch.object(
QFileDialog, "getSaveFileName", return_value=(new_destination, "")
) as mock_file_dialog,
patch("file_importer.show_OK") as mock_show_ok,
):
mock_file_dialog.return_value = (
new_destination,
"",
) # Ensure mock correctly returns expected value
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Accepted
mock_dialog_instance.selected_track_id = 0 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="The Lovecats (The Cure)",
choices=[
("Do not import", -1, ""),
("Import as new track", 0, ""),
(
"The Lovecats (The Cure) (100%)",
2,
os.path.join(
self.musicstore, os.path.basename(test_track_path)
),
),
],
default=2,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
destination = os.path.join(self.musicstore, test_filename)
mock_show_ok.assert_called_once_with(
title="Desintation path exists",
msg=f"New import requested but default destination path ({destination}) "
"already exists. Click OK and choose where to save this track",
parent=None,
)
self.wait_for_workers()
# Ensure QFileDialog was called and returned expected value
assert mock_file_dialog.called # Ensure the mock was used
result = mock_file_dialog()
assert result[0] == new_destination # Validate return value
# Check track was imported
with db.Session() as session:
tracks = Tracks.get_all(session)
assert len(tracks) == 3
track = tracks[2]
assert track.title == "The Lovecats"
assert track.artist == "The Cure"
assert track.id == 3
assert track.path == new_destination
assert os.path.exists(new_destination)
assert os.listdir(self.import_source) == []
# Remove file so as not to interfere with later tests
session.delete(track)
tracks = Tracks.get_all(session)
assert len(tracks) == 2
session.commit()
os.unlink(new_destination)
assert not os.path.exists(new_destination)
def test_009_import_similar_file(self) -> None:
"""Import file with similar, but different, title"""
test_track_path = "testdata/lovecats.mp3"
test_filename = os.path.basename(test_track_path)
shutil.copy(test_track_path, self.import_source)
import_file = os.path.join(self.import_source, test_filename)
assert os.path.exists(import_file)
# Change title tag
src = MP3(import_file)
src["TIT2"].text[0] += " xyz"
src.save()
with patch("file_importer.PickMatch") as MockPickMatch:
# Create a mock instance of PickMatch
mock_dialog_instance = MagicMock()
MockPickMatch.return_value = mock_dialog_instance
# Simulate the user clicking OK in the dialog
mock_dialog_instance.exec.return_value = QDialog.DialogCode.Accepted
mock_dialog_instance.selected_track_id = 2 # Simulated return value
self.widget.import_files_wrapper()
# Ensure PickMatch was instantiated correctly
MockPickMatch.assert_called_once_with(
new_track_description="The Lovecats xyz (The Cure)",
choices=[
("Do not import", -1, ""),
("Import as new track", 0, ""),
(
"The Lovecats (The Cure) (93%)",
2,
os.path.join(
self.musicstore, os.path.basename(test_track_path)
),
),
],
default=2,
)
# Verify exec() was called
mock_dialog_instance.exec.assert_called_once()
self.wait_for_workers()
# Check track was imported
with db.Session() as session:
tracks = Tracks.get_all(session)
assert len(tracks) == 2
track = tracks[1]
assert track.title == "The Lovecats xyz"
assert track.artist == "The Cure"
assert track.id == 2
track_file = os.path.join(
self.musicstore, os.path.basename(test_track_path)
)
assert track.path == track_file
assert os.path.exists(track_file)
assert os.listdir(self.import_source) == []