def test_raises_if_no_valid_csv_files(self, mocker, tmp_path):
with pytest.raises(FileNotFoundError):
sample_sheet_path = tmp_path.joinpath('sample_sheet.csv')
sample_sheet_path.touch()
mock_is_sample_sheet = mocker.patch(
'methylprep.files.SampleSheet.is_sample_sheet')
mock_is_sample_sheet.return_value = False
find_sample_sheet(tmp_path)
def test_raises_if_too_many_valid_files(self, mocker, tmp_path):
with pytest.raises(Exception):
path_1 = tmp_path.joinpath('sample_sheet1.csv')
path_1.touch()
path_2 = tmp_path.joinpath('sample_sheet2.csv')
path_2.touch()
mock_is_sample_sheet = mocker.patch(
'methylprep.files.SampleSheet.is_sample_sheet')
mock_is_sample_sheet.return_value = True
find_sample_sheet(tmp_path)
def test_returns_samplesheet_with_validpath(self, mocker, tmp_path):
sample_sheet_path = tmp_path.joinpath('samplesheet.csv')
sample_sheet_path.touch()
mock_is_sample_sheet = mocker.patch(
'methylprep.files.SampleSheet.is_sample_sheet')
mock_is_sample_sheet.return_value = True
mock_is_valid_csv = mocker.patch(
'methylprep.files.SampleSheet.is_valid_csv')
mock_is_valid_csv.return_value = True
result = find_sample_sheet(tmp_path)
assert result == sample_sheet_path
def test_raises_with_missing_dir(self, tmp_path):
with pytest.raises(FileNotFoundError):
missing_path = tmp_path.joinpath('fake_path')
find_sample_sheet(missing_path)
def test_raises_with_valid_path_not_dir(self, tmp_path):
with pytest.raises(FileNotFoundError):
missing_path = tmp_path.joinpath('fake_path.txt')
missing_path.touch()
find_sample_sheet(missing_path)