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118 lines
3.8 KiB
Python
118 lines
3.8 KiB
Python
import datetime
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from django.test import TestCase
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from djangorestframework import serializers
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class Comment(object):
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def __init__(self, email, content, created):
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self.email = email
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self.content = content
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self.created = created or datetime.datetime.now()
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def __eq__(self, other):
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return all([getattr(self, attr) == getattr(other, attr)
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for attr in ('email', 'content', 'created')])
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class CommentSerializer(serializers.Serializer):
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email = serializers.EmailField()
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content = serializers.CharField(max_length=1000)
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created = serializers.DateTimeField()
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def restore_object(self, data, instance=None):
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if instance is None:
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return Comment(**data)
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for key, val in data.items():
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setattr(instance, key, val)
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return instance
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class BasicTests(TestCase):
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def setUp(self):
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self.comment = Comment(
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'tom@example.com',
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'Happy new year!',
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datetime.datetime(2012, 1, 1)
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)
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self.data = {
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'email': 'tom@example.com',
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'content': 'Happy new year!',
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'created': datetime.datetime(2012, 1, 1)
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}
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def test_empty(self):
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serializer = CommentSerializer()
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expected = {
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'email': '',
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'content': '',
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'created': None
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}
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self.assertEquals(serializer.data, expected)
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def test_serialization(self):
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serializer = CommentSerializer(instance=self.comment)
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expected = self.data
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self.assertEquals(serializer.data, expected)
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def test_deserialization_for_create(self):
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serializer = CommentSerializer(self.data)
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expected = self.comment
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self.assertEquals(serializer.is_valid(), True)
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self.assertEquals(serializer.object, expected)
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self.assertFalse(serializer.object is expected)
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def test_deserialization_for_update(self):
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serializer = CommentSerializer(self.data, instance=self.comment)
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expected = self.comment
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self.assertEquals(serializer.is_valid(), True)
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self.assertEquals(serializer.object, expected)
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self.assertTrue(serializer.object is expected)
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class ValidationTests(TestCase):
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def setUp(self):
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self.comment = Comment(
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'tom@example.com',
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'Happy new year!',
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datetime.datetime(2012, 1, 1)
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)
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self.data = {
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'email': 'tom@example.com',
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'content': 'x' * 1001,
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'created': datetime.datetime(2012, 1, 1)
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}
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def test_deserialization_for_create(self):
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serializer = CommentSerializer(self.data)
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self.assertEquals(serializer.is_valid(), False)
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self.assertEquals(serializer.errors, {'content': [u'Ensure this value has at most 1000 characters (it has 1001).']})
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def test_deserialization_for_update(self):
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serializer = CommentSerializer(self.data, instance=self.comment)
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self.assertEquals(serializer.is_valid(), False)
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self.assertEquals(serializer.errors, {'content': [u'Ensure this value has at most 1000 characters (it has 1001).']})
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class MetadataTests(TestCase):
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# def setUp(self):
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# self.comment = Comment(
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# 'tomchristie',
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# 'Happy new year!',
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# datetime.datetime(2012, 1, 1)
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# )
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# self.data = {
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# 'email': 'tomchristie',
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# 'content': 'Happy new year!',
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# 'created': datetime.datetime(2012, 1, 1)
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# }
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def test_empty(self):
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serializer = CommentSerializer()
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expected = {
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'email': serializers.CharField,
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'content': serializers.CharField,
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'created': serializers.DateTimeField
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}
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for field_name, field in expected.items():
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self.assertTrue(isinstance(serializer.data.fields[field_name], field))
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