def test_duplicated_categories(fx_stages, fx_feed):
stage, _ = fx_stages
feed = fx_feed
cate = Category(term='cake')
feed.categories.append(cate)
with stage:
stage.feeds['test'] = feed
stage.feeds['test'] = feed
merged_feed = stage.feeds['test']
assert len(merged_feed.categories) == len(feed.categories)
def test_category_str():
assert text_type(Category(term='python')) == 'python'
assert text_type(Category(term='python', label='Python')) == 'Python'