def test_groupby(test_data):
ds = ChartDataSource(df=test_data.auto_data)
groups = list(ds.groupby(**test_data.single_col_spec))
assert len(groups) == 5
ds = ChartDataSource(df=test_data.auto_data)
groups = list(ds.groupby(**test_data.multi_col_spec))
assert len(groups) == 9
def test_pandas(test_data):
"""Test creating chart data source from existing dataframe."""
ds = ChartDataSource.from_data(test_data.pd_data)
assert len(ds.columns) == 2
assert len(ds.index) == 4
ds = ChartDataSource(test_data.pd_data)
assert len(ds.columns) == 2
assert len(ds.index) == 4
