def test_absent_binary_flag(caplog, sas_source_file: SourceFile):
"""When a file has no information on whether it is binary, the
returned line count should be None, and a warning logged."""
del sas_source_file._params['binary']
with caplog.at_level(logging.DEBUG):
assert sas_source_file.get_line_count() is None
assert 'No binary field available for for file beer.sas7bdat' in caplog.text
def test_binary_file_wont_return_line_count(sas_source_file: SourceFile):
assert sas_source_file.get_line_count() is None
def test_get_line_count(source_file2: SourceFile):
assert source_file2.get_line_count() == 4