def test_parameter_mapping_roundtrip(testcase_seed, tmp_path):
testcase_seed = (
"""# Automatically generated by Pynguin.
import tests.fixtures.grammar.parameters as module0
def test_case_0():
"""
+ testcase_seed
)
test_cluster = TestClusterGenerator(
"tests.fixtures.grammar.parameters"
).generate_cluster()
transformer = _TestTransformer(test_cluster)
transformer.visit(ast.parse(testcase_seed))
export_path = tmp_path / "export.py"
ExportProvider.get_exporter().export_sequences(export_path, transformer.testcases)
with open(export_path) as f:
content = f.read()
assert content == testcase_seed
def _export_test_cases(
test_cases: List[tc.TestCase], suffix: str = "", wrap_code: bool = False
) -> str:
"""Export the given test cases.
:param test_cases: A list of test cases to export
:param suffix: Suffix that can be added to the file name to distinguish
between different results e.g., failing and succeeding test cases.
:param wrap_code: Whether or not the generated code shall be wrapped
"""
exporter = ExportProvider.get_exporter(wrap_code=wrap_code)
target_file = os.path.join(
config.INSTANCE.output_path,
"test_" + config.INSTANCE.module_name.replace(".", "_") + suffix + ".py",
)
exporter.export_sequences(target_file, test_cases)
return target_file
def test_unknown_strategy():
config.INSTANCE.export_strategy = MagicMock(config.ExportStrategy)
with pytest.raises(Exception):
ExportProvider.get_exporter()
def test_get_exporter(conf, instance):
config.INSTANCE.export_strategy = conf
exporter = ExportProvider.get_exporter()
assert isinstance(exporter, instance)