def test_command_line_arguments_yes_no(
mock_writer: mock.MagicMock, # pylint: disable=unused-argument
) -> None:
"""Regression test for the --module-names option.
Make sure that we supprot --module-names=yes syntax instead
of using it as a flag.
"""
with pytest.raises(SystemExit) as wrapped_sysexit:
main.Run(["--module-names=yes", TEST_DATA_DIR])
assert wrapped_sysexit.value.code == 0
def test_graphviz_supported_image_format(mock_writer, capsys):
"""Test that Graphviz is used if the image format is supported."""
with pytest.raises(SystemExit) as wrapped_sysexit:
# we have to catch the SystemExit so the test execution does not stop
main.Run(["-o", "png", TEST_DATA_DIR])
# Check that the right info message is shown to the user
assert (
"Format png is not supported natively. Pyreverse will try to generate it using Graphviz..."
in capsys.readouterr().out)
# Check that pyreverse actually made the call to create the diagram and we exit cleanly
mock_writer.DiagramWriter().write.assert_called_once()
assert wrapped_sysexit.value.code == 0
def test_graphviz_cant_determine_supported_formats(mock_writer,
mock_subprocess, capsys):
"""Test that Graphviz is used if the image format is supported."""
mock_subprocess.run.return_value.stderr = "..."
with pytest.raises(SystemExit) as wrapped_sysexit:
# we have to catch the SystemExit so the test execution does not stop
main.Run(["-o", "png", TEST_DATA_DIR])
# Check that the right info message is shown to the user
assert ("Unable to determine Graphviz supported output formats."
in capsys.readouterr().out)
# Check that pyreverse actually made the call to create the diagram and we exit cleanly
mock_writer.DiagramWriter().write.assert_called_once()
assert wrapped_sysexit.value.code == 0
def test_graphviz_unsupported_image_format(capsys):
"""Test that Graphviz is used if the image format is supported."""
with pytest.raises(SystemExit) as wrapped_sysexit:
# we have to catch the SystemExit so the test execution does not stop
main.Run(["-o", "somethingElse", TEST_DATA_DIR])
# Check that the right info messages are shown to the user
stdout = capsys.readouterr().out
assert (
"Format somethingElse is not supported natively. Pyreverse will try to generate it using Graphviz..."
in stdout)
assert "Format somethingElse is not supported by Graphviz. It supports:" in stdout
# Check that we exited with the expected error code
assert wrapped_sysexit.value.code == 32
def test_class_command(
mock_writer: mock.MagicMock, # pylint: disable=unused-argument
) -> None:
"""Regression test for the --class option.
Make sure that we append multiple --class arguments to one option destination.
"""
runner = main.Run([
"--class",
"data.clientmodule_test.Ancestor",
"--class",
"data.property_pattern.PropertyPatterns",
TEST_DATA_DIR,
])
assert "data.clientmodule_test.Ancestor" in runner.config.classes
assert "data.property_pattern.PropertyPatterns" in runner.config.classes
def test_command_line_arguments_defaults(arg: str, expected_default: Any) -> None:
"""Test that the default arguments of all options are correct."""
run = main.Run([TEST_DATA_DIR])
assert getattr(run.config, arg) == expected_default