def test_analysis_empty_input_return_empty_output(self, _):
"""Empty input returns and empty dataframe."""
self.log = self.log.iloc[:0]
actual = cm.get_complexity(self.log, scm.Project())
# Length may be at the end or in the middle dependeding on the version of lizard.
self.assertEqual(sorted(actual.columns), sorted(self.expected.columns))
self.assertEqual(len(actual), 0)
def test_use_default_download(self):
"""When the context.downlad_funcc is defined, use it."""
project = scm.Project()
with mock.patch.object(
scm.Project, "download", return_value=scm.DownloadResult(1, "/", "")
) as download:
_ = cm.get_complexity(self.log, project)
download.assert_called_with(self.log)
def get_complexity(self):
"""Factor retrieval of complexity"""
project = scm.Project()
with mock.patch.object(
scm.Project,
"download",
autospec=True,
side_effect=[
scm.DownloadResult("r1", "f.py", self.file_content_1),
scm.DownloadResult("r2", "f.py", self.file_content_2),
],
) as download:
df = self.log.groupby(["revision", "path"]).apply(
cm.get_complexity, project
)
self.assertEqual(
download.call_args_list, [mock.call(project, mock.ANY)] * 2
)
return df
def test_handles_no_function(self):
"""Handles files with no function well."""
columns = (
"function".split()
+ cm.core._lizard_fields
+ "file_tokens file_nloc length".split()
)
project = scm.Project()
with mock.patch.object(
scm.Project,
"download",
autospec=True,
return_value=scm.DownloadResult(1, "f.py", ""),
) as download:
actual = (
cm.get_complexity(self.log, project)
.reset_index()
.pipe(pd.Series.astype, "string")
)
download.assert_called_with(project, self.log)
expected = pd.DataFrame(data={k: [] for k in columns}, dtype="string")
self.assertEqual(expected, actual)
def test_project_download_returns_none(self):
"""scm.Project download() method returns None."""
download_result = scm.Project(".").download(pd.DataFrame())
self.assertIsNone(download_result)
def test_project_get_log_returns_expected_columns(self):
"""scm.Project.get_log() method returns a pd.DataFrame with the right columns."""
actual = cm.get_log(scm.Project("."))
self.assertIsInstance(actual, pd.DataFrame)
self.assertEqual(actual.columns.tolist(), scm.LogEntry.__slots__)
def setUp(self):
self.project = scm.Project()