test_utils.py 文件源码

def test_as_dataframe_generic():
    df_hello, cohort = prep_test_cohort()
    # test that column names haven't changed
    df = cohort.as_dataframe(join_with="hello")
    # column names should match those in df_hello
    res = compare_column_names(expected = df_hello.columns,
                               observed = df.columns)
    ok_(res, 'columns names failed to match expected')