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path: root/service/test/test_tags.py
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import unittest
from app.tags import Tags, Tag


class TagTestCase(unittest.TestCase):

    def test_create_tag(self):
        tag = Tag('test')
        self.assertEqual(tag.name, 'test')

class TagsTestCase(unittest.TestCase):

    def test_add_tag_to_collection(self):
        tag_collection = Tags()
        tag_collection.add('test')
        self.assertEqual(len(tag_collection), len(Tags())+1)
        tag_collection.add('test2')
        self.assertEqual(len(tag_collection), len(Tags())+2)

    def test_no_tag_duplication(self):
        tag_collection = Tags()
        tag_collection.add('test')
        self.assertEqual(len(tag_collection), len(Tags())+1)
        tag_collection.add('test')
        self.assertEqual(len(tag_collection), len(Tags())+1)

    def test_find_tag_on_collection(self):
        tag_collection = Tags()
        tag_collection.add('test')
        tag_collection.add('test2')
        self.assertEqual(tag_collection.find('test'), Tag('test'))

    def test_special_tags_always_exist(self):
        special_tags = ['inbox', 'sent', 'drafts', 'trash']
        tag_collection = Tags()
        for tag in special_tags:
            self.assertIn(Tag(tag), tag_collection)