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pyflowx/tests/cli/test_which.py
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2026-06-22 11:43:00 +08:00

106 lines
4.5 KiB
Python

"""Tests for cli.which module."""
from __future__ import annotations
import shutil
from pathlib import Path
from unittest.mock import patch, MagicMock
import pytest
import pyflowx as px
from pyflowx.cli import which
# ---------------------------------------------------------------------- #
# which_command
# ---------------------------------------------------------------------- #
class TestWhichCommand:
"""Test which_command function."""
def test_returns_path_when_command_found(self, capsys: pytest.CaptureFixture[str]) -> None:
"""Should return Path when command is found."""
with patch.object(shutil, "which", return_value="/usr/bin/python"):
result = which.which_command("python")
assert result == Path("/usr/bin/python")
captured = capsys.readouterr()
assert "匹配路径" in captured.out
assert "/usr/bin/python" in captured.out
def test_returns_none_when_command_not_found(self, capsys: pytest.CaptureFixture[str]) -> None:
"""Should return None when command is not found."""
with patch.object(shutil, "which", return_value=None):
result = which.which_command("nonexistent_cmd")
assert result is None
captured = capsys.readouterr()
assert "未找到" in captured.out
assert "nonexistent_cmd" in captured.out
def test_prints_match_path_on_success(self, capsys: pytest.CaptureFixture[str]) -> None:
"""Should print '匹配路径: - <path>' on success."""
with patch.object(shutil, "which", return_value="C:\\Python\\python.exe"):
_ = which.which_command("python")
captured = capsys.readouterr()
assert "匹配路径: - C:\\Python\\python.exe" in captured.out
def test_prints_not_found_on_failure(self, capsys: pytest.CaptureFixture[str]) -> None:
"""Should print '<command>: 未找到' on failure."""
with patch.object(shutil, "which", return_value=None):
_ = which.which_command("missing")
captured = capsys.readouterr()
assert "missing: 未找到" in captured.out
# ---------------------------------------------------------------------- #
# main function
# ---------------------------------------------------------------------- #
class TestMain:
"""Test main function."""
def test_main_with_single_command(self) -> None:
"""main() should handle single command argument."""
with patch("sys.argv", ["which", "python"]), \
patch.object(shutil, "which", return_value="/usr/bin/python"), \
patch.object(px, "run") as mock_run:
which.main()
# Should create a graph with one task
assert mock_run.called
graph = mock_run.call_args[0][0]
assert isinstance(graph, px.Graph)
def test_main_with_multiple_commands(self) -> None:
"""main() should handle multiple command arguments."""
with patch("sys.argv", ["which", "python", "pip", "node"]), \
patch.object(shutil, "which", return_value="/usr/bin/cmd"), \
patch.object(px, "run") as mock_run:
which.main()
# Should create a graph with three tasks
assert mock_run.called
graph = mock_run.call_args[0][0]
assert isinstance(graph, px.Graph)
def test_main_with_no_args_shows_help(self) -> None:
"""main() with no args should show help and exit."""
with patch("sys.argv", ["which"]), pytest.raises(SystemExit) as exc_info:
which.main()
assert exc_info.value.code == 2
def test_main_creates_task_specs_with_correct_names(self) -> None:
"""main() should create TaskSpecs with correct names."""
with patch("sys.argv", ["which", "git", "npm"]), \
patch.object(shutil, "which", return_value="/usr/bin/cmd"), \
patch.object(px, "run") as mock_run:
which.main()
graph = mock_run.call_args[0][0]
# Check that task names are correct
task_names = list(graph.all_specs().keys())
assert "which_git" in task_names
assert "which_npm" in task_names
def test_main_uses_thread_strategy(self) -> None:
"""main() should use thread strategy."""
with patch("sys.argv", ["which", "python"]), \
patch.object(shutil, "which", return_value="/usr/bin/python"), \
patch.object(px, "run") as mock_run:
which.main()
assert mock_run.call_args[1]["strategy"] == "thread"