def test_set_semantic_tags_with_time_index(sample_datetime_series):
semantic_tags = {'tag1', 'tag2'}
data_col = DataColumn(sample_datetime_series, semantic_tags=semantic_tags, use_standard_tags=False)
data_col._set_as_time_index()
assert data_col.semantic_tags == {'tag1', 'tag2', 'time_index'}
new_tags = ['new_tag']
new_col = data_col.set_semantic_tags(new_tags)
assert new_col.semantic_tags == {'time_index', 'new_tag'}
new_col2 = new_col.set_semantic_tags(new_tags, retain_index_tags=False)
assert new_col2.semantic_tags == {'new_tag'}
def test_reset_semantic_tags_with_time_index(sample_datetime_series):
semantic_tags = 'initial_tag'
data_col = DataColumn(sample_datetime_series,
semantic_tags=semantic_tags,
use_standard_tags=False)
data_col._set_as_time_index()
new_col = data_col.reset_semantic_tags(retain_index_tags=True)
assert new_col.semantic_tags == {'time_index'}
new_col = data_col.reset_semantic_tags()
assert new_col.semantic_tags == set()
def test_set_logical_type_retains_time_index_tag(sample_datetime_series):
data_col = DataColumn(sample_datetime_series,
logical_type=Datetime,
semantic_tags='original_tag',
use_standard_tags=False)
data_col._set_as_time_index()
assert data_col.semantic_tags == {'time_index', 'original_tag'}
new_col = data_col.set_logical_type(Categorical)
assert new_col.semantic_tags == {'time_index'}
new_col = data_col.set_logical_type(Categorical, retain_index_tags=False)
assert new_col.semantic_tags == set()
def test_set_as_time_index(sample_series):
data_col = DataColumn(sample_series)
data_col._set_as_time_index()
assert 'time_index' in data_col.semantic_tags
