mirror of
https://github.com/encode/django-rest-framework.git
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445 lines
15 KiB
Python
445 lines
15 KiB
Python
"""
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General serializer field tests.
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"""
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from __future__ import unicode_literals
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import datetime
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from django.db import models
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from django.test import TestCase
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from django.core import validators
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from rest_framework import serializers
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class TimestampedModel(models.Model):
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added = models.DateTimeField(auto_now_add=True)
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updated = models.DateTimeField(auto_now=True)
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class CharPrimaryKeyModel(models.Model):
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id = models.CharField(max_length=20, primary_key=True)
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class TimestampedModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = TimestampedModel
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class CharPrimaryKeyModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = CharPrimaryKeyModel
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class TimeFieldModel(models.Model):
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clock = models.TimeField()
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class TimeFieldModelSerializer(serializers.ModelSerializer):
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class Meta:
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model = TimeFieldModel
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class BasicFieldTests(TestCase):
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def test_auto_now_fields_read_only(self):
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"""
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auto_now and auto_now_add fields should be read_only by default.
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"""
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serializer = TimestampedModelSerializer()
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self.assertEqual(serializer.fields['added'].read_only, True)
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def test_auto_pk_fields_read_only(self):
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"""
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AutoField fields should be read_only by default.
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"""
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serializer = TimestampedModelSerializer()
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self.assertEqual(serializer.fields['id'].read_only, True)
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def test_non_auto_pk_fields_not_read_only(self):
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"""
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PK fields other than AutoField fields should not be read_only by default.
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"""
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serializer = CharPrimaryKeyModelSerializer()
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self.assertEqual(serializer.fields['id'].read_only, False)
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class DateFieldTest(TestCase):
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"""
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Tests for the DateFieldTest from_native() and to_native() behavior
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"""
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def test_from_native_string(self):
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"""
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Make sure from_native() accepts default iso input formats.
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"""
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f = serializers.DateField()
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result_1 = f.from_native('1984-07-31')
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self.assertEqual(datetime.date(1984, 7, 31), result_1)
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def test_from_native_datetime_date(self):
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"""
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Make sure from_native() accepts a datetime.date instance.
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"""
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f = serializers.DateField()
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result_1 = f.from_native(datetime.date(1984, 7, 31))
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self.assertEqual(result_1, datetime.date(1984, 7, 31))
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def test_from_native_custom_format(self):
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"""
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Make sure from_native() accepts custom input formats.
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"""
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f = serializers.DateField(input_formats=['%Y -- %d'])
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result = f.from_native('1984 -- 31')
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self.assertEqual(datetime.date(1984, 1, 31), result)
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def test_from_native_invalid_default_on_custom_format(self):
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"""
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Make sure from_native() don't accept default formats if custom format is preset
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"""
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f = serializers.DateField(input_formats=['%Y -- %d'])
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try:
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f.from_native('1984-07-31')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY -- DD"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_empty(self):
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"""
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Make sure from_native() returns None on empty param.
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"""
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f = serializers.DateField()
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result = f.from_native('')
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self.assertEqual(result, None)
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def test_from_native_none(self):
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"""
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Make sure from_native() returns None on None param.
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"""
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f = serializers.DateField()
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result = f.from_native(None)
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self.assertEqual(result, None)
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def test_from_native_invalid_date(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid date.
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"""
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f = serializers.DateField()
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try:
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f.from_native('1984-13-31')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_invalid_format(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid format.
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"""
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f = serializers.DateField()
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try:
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f.from_native('1984 -- 31')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_to_native(self):
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"""
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Make sure to_native() returns isoformat as default.
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"""
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f = serializers.DateField()
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result_1 = f.to_native(datetime.date(1984, 7, 31))
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self.assertEqual('1984-07-31', result_1)
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def test_to_native_custom_format(self):
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"""
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Make sure to_native() returns correct custom format.
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"""
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f = serializers.DateField(format="%Y - %m.%d")
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result_1 = f.to_native(datetime.date(1984, 7, 31))
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self.assertEqual('1984 - 07.31', result_1)
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def test_to_native_none(self):
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"""
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Make sure from_native() returns None on None param.
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"""
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f = serializers.DateField(required=False)
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self.assertEqual(None, f.to_native(None))
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class DateTimeFieldTest(TestCase):
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"""
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Tests for the DateTimeField from_native() and to_native() behavior
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"""
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def test_from_native_string(self):
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"""
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Make sure from_native() accepts default iso input formats.
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"""
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f = serializers.DateTimeField()
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result_1 = f.from_native('1984-07-31 04:31')
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result_2 = f.from_native('1984-07-31 04:31:59')
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result_3 = f.from_native('1984-07-31 04:31:59.000200')
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self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31), result_1)
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self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59), result_2)
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self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59, 200), result_3)
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def test_from_native_datetime_datetime(self):
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"""
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Make sure from_native() accepts a datetime.datetime instance.
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"""
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f = serializers.DateTimeField()
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result_1 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31))
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result_2 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
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result_3 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
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self.assertEqual(result_1, datetime.datetime(1984, 7, 31, 4, 31))
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self.assertEqual(result_2, datetime.datetime(1984, 7, 31, 4, 31, 59))
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self.assertEqual(result_3, datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
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def test_from_native_custom_format(self):
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"""
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Make sure from_native() accepts custom input formats.
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"""
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f = serializers.DateTimeField(input_formats=['%Y -- %H:%M'])
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result = f.from_native('1984 -- 04:59')
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self.assertEqual(datetime.datetime(1984, 1, 1, 4, 59), result)
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def test_from_native_invalid_default_on_custom_format(self):
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"""
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Make sure from_native() don't accept default formats if custom format is preset
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"""
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f = serializers.DateTimeField(input_formats=['%Y -- %H:%M'])
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try:
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f.from_native('1984-07-31 04:31:59')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: YYYY -- hh:mm"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_empty(self):
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"""
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Make sure from_native() returns None on empty param.
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"""
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f = serializers.DateTimeField()
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result = f.from_native('')
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self.assertEqual(result, None)
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def test_from_native_none(self):
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"""
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Make sure from_native() returns None on None param.
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"""
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f = serializers.DateTimeField()
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result = f.from_native(None)
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self.assertEqual(result, None)
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def test_from_native_invalid_datetime(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid datetime.
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"""
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f = serializers.DateTimeField()
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try:
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f.from_native('04:61:59')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: "
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"YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HHMM|-HHMM|Z]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_invalid_format(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid format.
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"""
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f = serializers.DateTimeField()
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try:
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f.from_native('04 -- 31')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: "
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"YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HHMM|-HHMM|Z]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_to_native(self):
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"""
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Make sure to_native() returns isoformat as default.
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"""
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f = serializers.DateTimeField()
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result_1 = f.to_native(datetime.datetime(1984, 7, 31))
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result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
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result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
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result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
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self.assertEqual('1984-07-31T00:00:00', result_1)
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self.assertEqual('1984-07-31T04:31:00', result_2)
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self.assertEqual('1984-07-31T04:31:59', result_3)
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self.assertEqual('1984-07-31T04:31:59.000200', result_4)
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def test_to_native_custom_format(self):
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"""
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Make sure to_native() returns correct custom format.
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"""
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f = serializers.DateTimeField(format="%Y - %H:%M")
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result_1 = f.to_native(datetime.datetime(1984, 7, 31))
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result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
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result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
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result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
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self.assertEqual('1984 - 00:00', result_1)
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self.assertEqual('1984 - 04:31', result_2)
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self.assertEqual('1984 - 04:31', result_3)
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self.assertEqual('1984 - 04:31', result_4)
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def test_to_native_none(self):
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"""
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Make sure from_native() returns None on None param.
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"""
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f = serializers.DateTimeField(required=False)
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self.assertEqual(None, f.to_native(None))
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class TimeFieldTest(TestCase):
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"""
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Tests for the TimeField from_native() and to_native() behavior
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"""
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def test_from_native_string(self):
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"""
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Make sure from_native() accepts default iso input formats.
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"""
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f = serializers.TimeField()
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result_1 = f.from_native('04:31')
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result_2 = f.from_native('04:31:59')
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result_3 = f.from_native('04:31:59.000200')
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self.assertEqual(datetime.time(4, 31), result_1)
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self.assertEqual(datetime.time(4, 31, 59), result_2)
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self.assertEqual(datetime.time(4, 31, 59, 200), result_3)
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def test_from_native_datetime_time(self):
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"""
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Make sure from_native() accepts a datetime.time instance.
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"""
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f = serializers.TimeField()
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result_1 = f.from_native(datetime.time(4, 31))
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result_2 = f.from_native(datetime.time(4, 31, 59))
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result_3 = f.from_native(datetime.time(4, 31, 59, 200))
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self.assertEqual(result_1, datetime.time(4, 31))
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self.assertEqual(result_2, datetime.time(4, 31, 59))
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self.assertEqual(result_3, datetime.time(4, 31, 59, 200))
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def test_from_native_custom_format(self):
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"""
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Make sure from_native() accepts custom input formats.
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"""
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f = serializers.TimeField(input_formats=['%H -- %M'])
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result = f.from_native('04 -- 31')
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self.assertEqual(datetime.time(4, 31), result)
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def test_from_native_invalid_default_on_custom_format(self):
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"""
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Make sure from_native() don't accept default formats if custom format is preset
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"""
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f = serializers.TimeField(input_formats=['%H -- %M'])
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try:
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f.from_native('04:31:59')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: hh -- mm"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_empty(self):
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"""
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Make sure from_native() returns None on empty param.
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"""
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f = serializers.TimeField()
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result = f.from_native('')
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self.assertEqual(result, None)
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def test_from_native_none(self):
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"""
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Make sure from_native() returns None on None param.
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"""
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f = serializers.TimeField()
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result = f.from_native(None)
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self.assertEqual(result, None)
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def test_from_native_invalid_time(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid time.
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"""
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f = serializers.TimeField()
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try:
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f.from_native('04:61:59')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: "
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"hh:mm[:ss[.uuuuuu]]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_from_native_invalid_format(self):
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"""
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Make sure from_native() raises a ValidationError on passing an invalid format.
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"""
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f = serializers.TimeField()
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try:
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f.from_native('04 -- 31')
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except validators.ValidationError as e:
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self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: "
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"hh:mm[:ss[.uuuuuu]]"])
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else:
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self.fail("ValidationError was not properly raised")
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def test_to_native(self):
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"""
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Make sure to_native() returns isoformat as default.
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"""
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f = serializers.TimeField()
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result_1 = f.to_native(datetime.time(4, 31))
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result_2 = f.to_native(datetime.time(4, 31, 59))
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result_3 = f.to_native(datetime.time(4, 31, 59, 200))
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self.assertEqual('04:31:00', result_1)
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self.assertEqual('04:31:59', result_2)
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self.assertEqual('04:31:59.000200', result_3)
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def test_to_native_custom_format(self):
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"""
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Make sure to_native() returns correct custom format.
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"""
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f = serializers.TimeField(format="%H - %S [%f]")
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result_1 = f.to_native(datetime.time(4, 31))
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result_2 = f.to_native(datetime.time(4, 31, 59))
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result_3 = f.to_native(datetime.time(4, 31, 59, 200))
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self.assertEqual('04 - 00 [000000]', result_1)
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self.assertEqual('04 - 59 [000000]', result_2)
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self.assertEqual('04 - 59 [000200]', result_3)
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