def test_set_time_index(sample_df): # Test setting time index with set_time_index() dt = DataTable(sample_df) new_dt = dt.set_time_index('signup_date') assert new_dt is not dt assert dt.time_index is None assert new_dt.time_index == 'signup_date' assert 'time_index' in new_dt.columns['signup_date'].semantic_tags non_index_cols = [ col for col in new_dt.columns.values() if col.name != 'signup_date' ] assert all( ['time_index' not in col.semantic_tags for col in non_index_cols]) # Test changing time index with set_time_index() sample_df['transaction_date'] = pd.to_datetime('2015-09-02') dt = DataTable(sample_df) new_dt = dt.set_time_index('signup_date') assert new_dt.time_index == 'signup_date' new_dt2 = new_dt.set_time_index('transaction_date') assert 'time_index' in new_dt2.columns['transaction_date'].semantic_tags non_index_cols = [ col for col in new_dt2.columns.values() if col.name != 'transaction_date' ] assert all( ['time_index' not in col.semantic_tags for col in non_index_cols]) # Test setting index using setter dt = DataTable(sample_df) assert dt.time_index is None dt.time_index = 'signup_date' assert dt.time_index == 'signup_date' assert 'time_index' in dt.columns['signup_date'].semantic_tags non_index_cols = [ col for col in dt.columns.values() if col.name != 'signup_date' ] assert all( ['time_index' not in col.semantic_tags for col in non_index_cols]) # Test changing time index with setter sample_df['transaction_date'] = pd.to_datetime('2015-09-02') dt = DataTable(sample_df) dt.time_index = 'signup_date' assert dt.time_index == 'signup_date' dt.time_index = 'transaction_date' assert 'time_index' in dt.columns['transaction_date'].semantic_tags non_index_cols = [ col for col in dt.columns.values() if col.name != 'transaction_date' ] assert all( ['time_index' not in col.semantic_tags for col in non_index_cols])
def test_set_index_twice(sample_df): dt = DataTable(sample_df, index='id', time_index='signup_date') original_df = dt.df.copy() dt_index_twice = dt.set_index('id') assert 'index' in dt_index_twice['id'].semantic_tags assert dt_index_twice.index == 'id' assert dt_index_twice == dt pd.testing.assert_frame_equal(to_pandas(original_df), to_pandas(dt_index_twice.df)) dt_time_index_twice = dt.set_time_index('signup_date') assert 'time_index' in dt_time_index_twice['signup_date'].semantic_tags assert dt_time_index_twice.time_index == 'signup_date' assert dt_time_index_twice == dt pd.testing.assert_frame_equal(to_pandas(original_df), to_pandas(dt_time_index_twice.df)) dt.index = 'id' assert 'index' in dt['id'].semantic_tags assert dt.index == 'id' pd.testing.assert_frame_equal(to_pandas(original_df), to_pandas(dt.df)) dt.time_index = 'signup_date' assert 'time_index' in dt['signup_date'].semantic_tags assert dt.time_index == 'signup_date' pd.testing.assert_frame_equal(to_pandas(original_df), to_pandas(dt.df))
def test_datatable_clear_time_index(sample_df): # Test by removing time_index tag dt = DataTable(sample_df, time_index='signup_date') assert dt.time_index == 'signup_date' dt = dt.remove_semantic_tags({'signup_date': 'time_index'}) assert dt.time_index is None assert all( ['time_index' not in col.semantic_tags for col in dt.columns.values()]) # Test using setter dt = DataTable(sample_df, time_index='signup_date') assert dt.time_index == 'signup_date' dt.time_index = None assert dt.time_index is None assert all( ['time_index' not in col.semantic_tags for col in dt.columns.values()])