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Merged
Silletr merged 1 commit into from
Oct 4, 2025
Merged

style: format code with Black and Ruff Formatter #70

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21 changes: 16 additions & 5 deletions tests/test_cargo_install.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,24 +7,29 @@
validate_library_name,
)


def test_find_cargo_toml_exists(tmp_path, mock_os_path_exists):
(tmp_path / "Cargo.toml").touch()
mock_os_path_exists.return_value = True
result = find_cargo_toml(str(tmp_path))
assert result == str(tmp_path / "Cargo.toml")


def test_find_cargo_toml_not_found():
result = find_cargo_toml()
assert result is None


def test_validate_library_name_valid():
assert validate_library_name("serde") is True


def test_validate_library_name_invalid(capsys):
assert validate_library_name("serde;malicious") is False
captured = capsys.readouterr()
assert "Invalid library name: serde;malicious" in captured.out


def test_check_cargo_installed(mock_shutil_which, capsys):
mock_shutil_which.return_value = "/usr/bin/cargo"
assert check_cargo_installed() is True
Expand All @@ -34,24 +39,30 @@ def test_check_cargo_installed(mock_shutil_which, capsys):
captured = capsys.readouterr()
assert "cargo is not installed or not found in PATH" in captured.out

def test_cargo_install_success(tmp_path, mock_subprocess_run, mock_os_chdir, capsys):

def test_cargo_install_success(tmp_path, mock_subprocess_run, mock_os_chdir, capsys):
(tmp_path / "Cargo.toml").touch()
mock_subprocess_run.return_value = MagicMock(returncode=0, stdout="Added serde", stderr="")
mock_subprocess_run.return_value = MagicMock(
returncode=0, stdout="Added serde", stderr=""
)
cargo_install(["serde"])
captured = capsys.readouterr()
assert "Running cargo add serde ..." in captured.out
assert "Cargo output:\nAdded serde" in captured.out
mock_os_chdir.assert_called()

def test_cargo_install_failure(tmp_path, mock_subprocess_run, capsys):

def test_cargo_install_failure(tmp_path, mock_subprocess_run, capsys):
(tmp_path / "Cargo.toml").touch()
mock_subprocess_run.side_effect = subprocess.CalledProcessError(
returncode=1, cmd=["cargo", "add", "serde"], output="", stderr="Error: invalid crate"
returncode=1,
cmd=["cargo", "add", "serde"],
output="",
stderr="Error: invalid crate",
)
cargo_install(["serde"])
captured = capsys.readouterr()
if "Failed to install serde" not in captured.out:
raise AssertionError
if "stderr:\nError: invalid crate" not in captured.out:
raise AssertionError