testsAndMisc-archive/python_pkg/music_gen/tests/test_music_generator.py
Krzysztof kuhy Rudnicki e5fd82c822 Reduce per-file-ignores by fixing lint violations across codebase
Fix ruff violations in ~15 source files and ~60+ test files to minimize
per-file-ignores in pyproject.toml. Remaining ignores are justified with
comments explaining why each suppression is necessary.

Source fixes: FBT003 (keyword args), S310 (URL validation), SLF001
(private access), T201 (print→logging), C901 (complexity), E501 (line
length), E402 (import order).

Test fixes: SIM117 (combined with), FBT (boolean args), PERF203 (try in
loop), S310/S607 (URLs/executables), E402/E501 (imports/lines), S108
(tmp paths), PLR0913 (too many args), ARG (unused args), ANN (type
annotations), RUF059 (unused unpacked vars), PT019 (fixture naming).

Remaining per-file-ignores (with justifications):
- Tests: ARG, D, PLC0415, PLR2004, S101, SLF001
- music_gen sources: PLC0415 (heavy ML lazy imports)
- moviepy_showcase: PLC0415 (circular dependency)
- generate_images: PLR0913 (matplotlib helpers need many params)
- praca_magisterska_video: E501, E402 (long paths, mpl.use)
2026-03-25 18:58:05 +01:00

281 lines
9.3 KiB
Python

"""Tests for python_pkg.music_gen.music_generator module."""
from __future__ import annotations
import logging
from typing import TYPE_CHECKING
from unittest.mock import MagicMock, patch
from python_pkg.music_gen.music_generator import (
check_dependencies,
interactive_mode,
)
if TYPE_CHECKING:
import pytest
class TestCheckDependencies:
"""Tests for check_dependencies()."""
def test_all_present(self) -> None:
with patch("importlib.util.find_spec", return_value=MagicMock()):
assert check_dependencies() is True
def test_torch_missing(self, caplog: pytest.LogCaptureFixture) -> None:
def mock_find_spec(name: str) -> MagicMock | None:
if name == "torch":
return None
return MagicMock()
with (
caplog.at_level(logging.DEBUG),
patch("importlib.util.find_spec", side_effect=mock_find_spec),
):
assert check_dependencies() is False
assert "torch" in caplog.text
def test_transformers_missing(self, caplog: pytest.LogCaptureFixture) -> None:
def mock_find_spec(name: str) -> MagicMock | None:
if name == "transformers":
return None
return MagicMock()
with (
caplog.at_level(logging.DEBUG),
patch("importlib.util.find_spec", side_effect=mock_find_spec),
):
assert check_dependencies() is False
assert "transformers" in caplog.text
def test_scipy_missing(self, caplog: pytest.LogCaptureFixture) -> None:
def mock_find_spec(name: str) -> MagicMock | None:
if name == "scipy":
return None
return MagicMock()
with (
caplog.at_level(logging.DEBUG),
patch("importlib.util.find_spec", side_effect=mock_find_spec),
):
assert check_dependencies() is False
assert "scipy" in caplog.text
def test_bark_missing_with_include_bark(
self,
caplog: pytest.LogCaptureFixture,
) -> None:
def mock_find_spec(name: str) -> MagicMock | None:
if name == "bark":
return None
return MagicMock()
with (
caplog.at_level(logging.DEBUG),
patch("importlib.util.find_spec", side_effect=mock_find_spec),
):
assert check_dependencies(include_bark=True) is False
assert "bark" in caplog.text.lower()
def test_bark_not_checked_without_flag(self) -> None:
with patch("importlib.util.find_spec", return_value=MagicMock()):
assert check_dependencies(include_bark=False) is True
def test_all_present_with_bark(self) -> None:
with patch("importlib.util.find_spec", return_value=MagicMock()):
assert check_dependencies(include_bark=True) is True
class TestInteractiveMode:
"""Tests for interactive_mode()."""
def test_quit_command(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", return_value=":q"),
):
interactive_mode(MagicMock(), MagicMock())
assert "Exiting" in caplog.text
def test_quit_word(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", return_value="quit"),
):
interactive_mode(MagicMock(), MagicMock())
assert "Exiting" in caplog.text
def test_exit_word(self) -> None:
with patch("builtins.input", return_value="exit"):
interactive_mode(MagicMock(), MagicMock())
def test_help_command(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":h", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Example prompts" in caplog.text
def test_help_word(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=["help", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Example prompts" in caplog.text
def test_set_duration(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":d 15", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Duration set to 15s" in caplog.text
def test_set_duration_clamped(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":d 100", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Duration set to 30s" in caplog.text
def test_set_duration_invalid(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":d abc", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Invalid duration" in caplog.text
def test_empty_prompt(self) -> None:
with patch("builtins.input", side_effect=["", ":q"]):
interactive_mode(MagicMock(), MagicMock())
def test_number_prompt_valid(self) -> None:
with (
patch("builtins.input", side_effect=["1", ":q"]),
patch(
"python_pkg.music_gen.music_generator.generate_music",
) as mock_gen,
):
interactive_mode(MagicMock(), MagicMock())
mock_gen.assert_called_once()
def test_number_prompt_invalid(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=["99", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Invalid number" in caplog.text
def test_normal_prompt(self) -> None:
with (
patch("builtins.input", side_effect=["jazz music", ":q"]),
patch(
"python_pkg.music_gen.music_generator.generate_music",
) as mock_gen,
):
interactive_mode(MagicMock(), MagicMock())
mock_gen.assert_called_once()
def test_generation_error(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=["jazz music", ":q"]),
patch(
"python_pkg.music_gen.music_generator.generate_music",
side_effect=RuntimeError("CUDA OOM"),
),
):
interactive_mode(MagicMock(), MagicMock())
assert "Error generating music" in caplog.text
def test_eof_error(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=EOFError),
):
interactive_mode(MagicMock(), MagicMock())
assert "Exiting" in caplog.text
def test_keyboard_interrupt(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=KeyboardInterrupt),
):
interactive_mode(MagicMock(), MagicMock())
assert "Exiting" in caplog.text
def test_quit_long(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", return_value=":quit"),
):
interactive_mode(MagicMock(), MagicMock())
assert "Exiting" in caplog.text
def test_help_long(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":help", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Example prompts" in caplog.text
def test_duration_clamp_minimum(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=[":d 0", ":q"]),
):
interactive_mode(MagicMock(), MagicMock())
assert "Duration set to 1s" in caplog.text
def test_generation_value_error(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=["jazz", ":q"]),
patch(
"python_pkg.music_gen.music_generator.generate_music",
side_effect=ValueError("bad value"),
),
):
interactive_mode(MagicMock(), MagicMock())
assert "Error generating music" in caplog.text
def test_generation_os_error(self, caplog: pytest.LogCaptureFixture) -> None:
with (
caplog.at_level(logging.DEBUG),
patch("builtins.input", side_effect=["jazz", ":q"]),
patch(
"python_pkg.music_gen.music_generator.generate_music",
side_effect=OSError("disk full"),
),
):
interactive_mode(MagicMock(), MagicMock())
assert "Error generating music" in caplog.text