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django-rest-framework/tests/test_fields.py
Tom Christie f2852811f9 Getting tests passing
2014-09-02 17:41:23 +01:00

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# """
# General serializer field tests.
# """
# from __future__ import unicode_literals
# import datetime
# import re
# from decimal import Decimal
# from uuid import uuid4
# from django.core import validators
# from django.db import models
# from django.test import TestCase
# from django.utils.datastructures import SortedDict
# from rest_framework import serializers
# from tests.models import RESTFrameworkModel
# class TimestampedModel(models.Model):
# added = models.DateTimeField(auto_now_add=True)
# updated = models.DateTimeField(auto_now=True)
# class CharPrimaryKeyModel(models.Model):
# id = models.CharField(max_length=20, primary_key=True)
# class TimestampedModelSerializer(serializers.ModelSerializer):
# class Meta:
# model = TimestampedModel
# class CharPrimaryKeyModelSerializer(serializers.ModelSerializer):
# class Meta:
# model = CharPrimaryKeyModel
# class TimeFieldModel(models.Model):
# clock = models.TimeField()
# class TimeFieldModelSerializer(serializers.ModelSerializer):
# class Meta:
# model = TimeFieldModel
# SAMPLE_CHOICES = [
# ('red', 'Red'),
# ('green', 'Green'),
# ('blue', 'Blue'),
# ]
# class ChoiceFieldModel(models.Model):
# choice = models.CharField(choices=SAMPLE_CHOICES, blank=True, max_length=255)
# class ChoiceFieldModelSerializer(serializers.ModelSerializer):
# class Meta:
# model = ChoiceFieldModel
# class ChoiceFieldModelWithNull(models.Model):
# choice = models.CharField(choices=SAMPLE_CHOICES, blank=True, null=True, max_length=255)
# class ChoiceFieldModelWithNullSerializer(serializers.ModelSerializer):
# class Meta:
# model = ChoiceFieldModelWithNull
# class BasicFieldTests(TestCase):
# def test_auto_now_fields_read_only(self):
# """
# auto_now and auto_now_add fields should be read_only by default.
# """
# serializer = TimestampedModelSerializer()
# self.assertEqual(serializer.fields['added'].read_only, True)
# def test_auto_pk_fields_read_only(self):
# """
# AutoField fields should be read_only by default.
# """
# serializer = TimestampedModelSerializer()
# self.assertEqual(serializer.fields['id'].read_only, True)
# def test_non_auto_pk_fields_not_read_only(self):
# """
# PK fields other than AutoField fields should not be read_only by default.
# """
# serializer = CharPrimaryKeyModelSerializer()
# self.assertEqual(serializer.fields['id'].read_only, False)
# def test_dict_field_ordering(self):
# """
# Field should preserve dictionary ordering, if it exists.
# See: https://github.com/tomchristie/django-rest-framework/issues/832
# """
# ret = SortedDict()
# ret['c'] = 1
# ret['b'] = 1
# ret['a'] = 1
# ret['z'] = 1
# field = serializers.Field()
# keys = list(field.to_native(ret).keys())
# self.assertEqual(keys, ['c', 'b', 'a', 'z'])
# def test_widget_html_attributes(self):
# """
# Make sure widget_html() renders the correct attributes
# """
# r = re.compile('(\S+)=["\']?((?:.(?!["\']?\s+(?:\S+)=|[>"\']))+.)["\']?')
# form = TimeFieldModelSerializer().data
# attributes = r.findall(form.fields['clock'].widget_html())
# self.assertIn(('name', 'clock'), attributes)
# self.assertIn(('id', 'clock'), attributes)
# class DateFieldTest(TestCase):
# """
# Tests for the DateFieldTest from_native() and to_native() behavior
# """
# def test_from_native_string(self):
# """
# Make sure from_native() accepts default iso input formats.
# """
# f = serializers.DateField()
# result_1 = f.from_native('1984-07-31')
# self.assertEqual(datetime.date(1984, 7, 31), result_1)
# def test_from_native_datetime_date(self):
# """
# Make sure from_native() accepts a datetime.date instance.
# """
# f = serializers.DateField()
# result_1 = f.from_native(datetime.date(1984, 7, 31))
# self.assertEqual(result_1, datetime.date(1984, 7, 31))
# def test_from_native_custom_format(self):
# """
# Make sure from_native() accepts custom input formats.
# """
# f = serializers.DateField(input_formats=['%Y -- %d'])
# result = f.from_native('1984 -- 31')
# self.assertEqual(datetime.date(1984, 1, 31), result)
# def test_from_native_invalid_default_on_custom_format(self):
# """
# Make sure from_native() don't accept default formats if custom format is preset
# """
# f = serializers.DateField(input_formats=['%Y -- %d'])
# try:
# f.from_native('1984-07-31')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY -- DD"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_empty(self):
# """
# Make sure from_native() returns None on empty param.
# """
# f = serializers.DateField()
# result = f.from_native('')
# self.assertEqual(result, None)
# def test_from_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DateField()
# result = f.from_native(None)
# self.assertEqual(result, None)
# def test_from_native_invalid_date(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid date.
# """
# f = serializers.DateField()
# try:
# f.from_native('1984-13-31')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_invalid_format(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid format.
# """
# f = serializers.DateField()
# try:
# f.from_native('1984 -- 31')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_to_native(self):
# """
# Make sure to_native() returns datetime as default.
# """
# f = serializers.DateField()
# result_1 = f.to_native(datetime.date(1984, 7, 31))
# self.assertEqual(datetime.date(1984, 7, 31), result_1)
# def test_to_native_iso(self):
# """
# Make sure to_native() with 'iso-8601' returns iso formated date.
# """
# f = serializers.DateField(format='iso-8601')
# result_1 = f.to_native(datetime.date(1984, 7, 31))
# self.assertEqual('1984-07-31', result_1)
# def test_to_native_custom_format(self):
# """
# Make sure to_native() returns correct custom format.
# """
# f = serializers.DateField(format="%Y - %m.%d")
# result_1 = f.to_native(datetime.date(1984, 7, 31))
# self.assertEqual('1984 - 07.31', result_1)
# def test_to_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DateField(required=False)
# self.assertEqual(None, f.to_native(None))
# class DateTimeFieldTest(TestCase):
# """
# Tests for the DateTimeField from_native() and to_native() behavior
# """
# def test_from_native_string(self):
# """
# Make sure from_native() accepts default iso input formats.
# """
# f = serializers.DateTimeField()
# result_1 = f.from_native('1984-07-31 04:31')
# result_2 = f.from_native('1984-07-31 04:31:59')
# result_3 = f.from_native('1984-07-31 04:31:59.000200')
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31), result_1)
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59), result_2)
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59, 200), result_3)
# def test_from_native_datetime_datetime(self):
# """
# Make sure from_native() accepts a datetime.datetime instance.
# """
# f = serializers.DateTimeField()
# result_1 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31))
# result_2 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
# result_3 = f.from_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
# self.assertEqual(result_1, datetime.datetime(1984, 7, 31, 4, 31))
# self.assertEqual(result_2, datetime.datetime(1984, 7, 31, 4, 31, 59))
# self.assertEqual(result_3, datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
# def test_from_native_custom_format(self):
# """
# Make sure from_native() accepts custom input formats.
# """
# f = serializers.DateTimeField(input_formats=['%Y -- %H:%M'])
# result = f.from_native('1984 -- 04:59')
# self.assertEqual(datetime.datetime(1984, 1, 1, 4, 59), result)
# def test_from_native_invalid_default_on_custom_format(self):
# """
# Make sure from_native() don't accept default formats if custom format is preset
# """
# f = serializers.DateTimeField(input_formats=['%Y -- %H:%M'])
# try:
# f.from_native('1984-07-31 04:31:59')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: YYYY -- hh:mm"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_empty(self):
# """
# Make sure from_native() returns None on empty param.
# """
# f = serializers.DateTimeField()
# result = f.from_native('')
# self.assertEqual(result, None)
# def test_from_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DateTimeField()
# result = f.from_native(None)
# self.assertEqual(result, None)
# def test_from_native_invalid_datetime(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid datetime.
# """
# f = serializers.DateTimeField()
# try:
# f.from_native('04:61:59')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: "
# "YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_invalid_format(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid format.
# """
# f = serializers.DateTimeField()
# try:
# f.from_native('04 -- 31')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Datetime has wrong format. Use one of these formats instead: "
# "YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_to_native(self):
# """
# Make sure to_native() returns isoformat as default.
# """
# f = serializers.DateTimeField()
# result_1 = f.to_native(datetime.datetime(1984, 7, 31))
# result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
# result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
# result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
# self.assertEqual(datetime.datetime(1984, 7, 31), result_1)
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31), result_2)
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59), result_3)
# self.assertEqual(datetime.datetime(1984, 7, 31, 4, 31, 59, 200), result_4)
# def test_to_native_iso(self):
# """
# Make sure to_native() with format=iso-8601 returns iso formatted datetime.
# """
# f = serializers.DateTimeField(format='iso-8601')
# result_1 = f.to_native(datetime.datetime(1984, 7, 31))
# result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
# result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
# result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
# self.assertEqual('1984-07-31T00:00:00', result_1)
# self.assertEqual('1984-07-31T04:31:00', result_2)
# self.assertEqual('1984-07-31T04:31:59', result_3)
# self.assertEqual('1984-07-31T04:31:59.000200', result_4)
# def test_to_native_custom_format(self):
# """
# Make sure to_native() returns correct custom format.
# """
# f = serializers.DateTimeField(format="%Y - %H:%M")
# result_1 = f.to_native(datetime.datetime(1984, 7, 31))
# result_2 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31))
# result_3 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59))
# result_4 = f.to_native(datetime.datetime(1984, 7, 31, 4, 31, 59, 200))
# self.assertEqual('1984 - 00:00', result_1)
# self.assertEqual('1984 - 04:31', result_2)
# self.assertEqual('1984 - 04:31', result_3)
# self.assertEqual('1984 - 04:31', result_4)
# def test_to_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DateTimeField(required=False)
# self.assertEqual(None, f.to_native(None))
# class TimeFieldTest(TestCase):
# """
# Tests for the TimeField from_native() and to_native() behavior
# """
# def test_from_native_string(self):
# """
# Make sure from_native() accepts default iso input formats.
# """
# f = serializers.TimeField()
# result_1 = f.from_native('04:31')
# result_2 = f.from_native('04:31:59')
# result_3 = f.from_native('04:31:59.000200')
# self.assertEqual(datetime.time(4, 31), result_1)
# self.assertEqual(datetime.time(4, 31, 59), result_2)
# self.assertEqual(datetime.time(4, 31, 59, 200), result_3)
# def test_from_native_datetime_time(self):
# """
# Make sure from_native() accepts a datetime.time instance.
# """
# f = serializers.TimeField()
# result_1 = f.from_native(datetime.time(4, 31))
# result_2 = f.from_native(datetime.time(4, 31, 59))
# result_3 = f.from_native(datetime.time(4, 31, 59, 200))
# self.assertEqual(result_1, datetime.time(4, 31))
# self.assertEqual(result_2, datetime.time(4, 31, 59))
# self.assertEqual(result_3, datetime.time(4, 31, 59, 200))
# def test_from_native_custom_format(self):
# """
# Make sure from_native() accepts custom input formats.
# """
# f = serializers.TimeField(input_formats=['%H -- %M'])
# result = f.from_native('04 -- 31')
# self.assertEqual(datetime.time(4, 31), result)
# def test_from_native_invalid_default_on_custom_format(self):
# """
# Make sure from_native() don't accept default formats if custom format is preset
# """
# f = serializers.TimeField(input_formats=['%H -- %M'])
# try:
# f.from_native('04:31:59')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: hh -- mm"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_empty(self):
# """
# Make sure from_native() returns None on empty param.
# """
# f = serializers.TimeField()
# result = f.from_native('')
# self.assertEqual(result, None)
# def test_from_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.TimeField()
# result = f.from_native(None)
# self.assertEqual(result, None)
# def test_from_native_invalid_time(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid time.
# """
# f = serializers.TimeField()
# try:
# f.from_native('04:61:59')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: "
# "hh:mm[:ss[.uuuuuu]]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_invalid_format(self):
# """
# Make sure from_native() raises a ValidationError on passing an invalid format.
# """
# f = serializers.TimeField()
# try:
# f.from_native('04 -- 31')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Time has wrong format. Use one of these formats instead: "
# "hh:mm[:ss[.uuuuuu]]"])
# else:
# self.fail("ValidationError was not properly raised")
# def test_to_native(self):
# """
# Make sure to_native() returns time object as default.
# """
# f = serializers.TimeField()
# result_1 = f.to_native(datetime.time(4, 31))
# result_2 = f.to_native(datetime.time(4, 31, 59))
# result_3 = f.to_native(datetime.time(4, 31, 59, 200))
# self.assertEqual(datetime.time(4, 31), result_1)
# self.assertEqual(datetime.time(4, 31, 59), result_2)
# self.assertEqual(datetime.time(4, 31, 59, 200), result_3)
# def test_to_native_iso(self):
# """
# Make sure to_native() with format='iso-8601' returns iso formatted time.
# """
# f = serializers.TimeField(format='iso-8601')
# result_1 = f.to_native(datetime.time(4, 31))
# result_2 = f.to_native(datetime.time(4, 31, 59))
# result_3 = f.to_native(datetime.time(4, 31, 59, 200))
# self.assertEqual('04:31:00', result_1)
# self.assertEqual('04:31:59', result_2)
# self.assertEqual('04:31:59.000200', result_3)
# def test_to_native_custom_format(self):
# """
# Make sure to_native() returns correct custom format.
# """
# f = serializers.TimeField(format="%H - %S [%f]")
# result_1 = f.to_native(datetime.time(4, 31))
# result_2 = f.to_native(datetime.time(4, 31, 59))
# result_3 = f.to_native(datetime.time(4, 31, 59, 200))
# self.assertEqual('04 - 00 [000000]', result_1)
# self.assertEqual('04 - 59 [000000]', result_2)
# self.assertEqual('04 - 59 [000200]', result_3)
# class DecimalFieldTest(TestCase):
# """
# Tests for the DecimalField from_native() and to_native() behavior
# """
# def test_from_native_string(self):
# """
# Make sure from_native() accepts string values
# """
# f = serializers.DecimalField()
# result_1 = f.from_native('9000')
# result_2 = f.from_native('1.00000001')
# self.assertEqual(Decimal('9000'), result_1)
# self.assertEqual(Decimal('1.00000001'), result_2)
# def test_from_native_invalid_string(self):
# """
# Make sure from_native() raises ValidationError on passing invalid string
# """
# f = serializers.DecimalField()
# try:
# f.from_native('123.45.6')
# except validators.ValidationError as e:
# self.assertEqual(e.messages, ["Enter a number."])
# else:
# self.fail("ValidationError was not properly raised")
# def test_from_native_integer(self):
# """
# Make sure from_native() accepts integer values
# """
# f = serializers.DecimalField()
# result = f.from_native(9000)
# self.assertEqual(Decimal('9000'), result)
# def test_from_native_float(self):
# """
# Make sure from_native() accepts float values
# """
# f = serializers.DecimalField()
# result = f.from_native(1.00000001)
# self.assertEqual(Decimal('1.00000001'), result)
# def test_from_native_empty(self):
# """
# Make sure from_native() returns None on empty param.
# """
# f = serializers.DecimalField()
# result = f.from_native('')
# self.assertEqual(result, None)
# def test_from_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DecimalField()
# result = f.from_native(None)
# self.assertEqual(result, None)
# def test_to_native(self):
# """
# Make sure to_native() returns Decimal as string.
# """
# f = serializers.DecimalField()
# result_1 = f.to_native(Decimal('9000'))
# result_2 = f.to_native(Decimal('1.00000001'))
# self.assertEqual(Decimal('9000'), result_1)
# self.assertEqual(Decimal('1.00000001'), result_2)
# def test_to_native_none(self):
# """
# Make sure from_native() returns None on None param.
# """
# f = serializers.DecimalField(required=False)
# self.assertEqual(None, f.to_native(None))
# def test_valid_serialization(self):
# """
# Make sure the serializer works correctly
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(max_value=9010,
# min_value=9000,
# max_digits=6,
# decimal_places=2)
# self.assertTrue(DecimalSerializer(data={'decimal_field': '9001'}).is_valid())
# self.assertTrue(DecimalSerializer(data={'decimal_field': '9001.2'}).is_valid())
# self.assertTrue(DecimalSerializer(data={'decimal_field': '9001.23'}).is_valid())
# self.assertFalse(DecimalSerializer(data={'decimal_field': '8000'}).is_valid())
# self.assertFalse(DecimalSerializer(data={'decimal_field': '9900'}).is_valid())
# self.assertFalse(DecimalSerializer(data={'decimal_field': '9001.234'}).is_valid())
# def test_raise_max_value(self):
# """
# Make sure max_value violations raises ValidationError
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(max_value=100)
# s = DecimalSerializer(data={'decimal_field': '123'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'decimal_field': ['Ensure this value is less than or equal to 100.']})
# def test_raise_min_value(self):
# """
# Make sure min_value violations raises ValidationError
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(min_value=100)
# s = DecimalSerializer(data={'decimal_field': '99'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'decimal_field': ['Ensure this value is greater than or equal to 100.']})
# def test_raise_max_digits(self):
# """
# Make sure max_digits violations raises ValidationError
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(max_digits=5)
# s = DecimalSerializer(data={'decimal_field': '123.456'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 5 digits in total.']})
# def test_raise_max_decimal_places(self):
# """
# Make sure max_decimal_places violations raises ValidationError
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(decimal_places=3)
# s = DecimalSerializer(data={'decimal_field': '123.4567'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 3 decimal places.']})
# def test_raise_max_whole_digits(self):
# """
# Make sure max_whole_digits violations raises ValidationError
# """
# class DecimalSerializer(serializers.Serializer):
# decimal_field = serializers.DecimalField(max_digits=4, decimal_places=3)
# s = DecimalSerializer(data={'decimal_field': '12345.6'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'decimal_field': ['Ensure that there are no more than 4 digits in total.']})
# class ChoiceFieldTests(TestCase):
# """
# Tests for the ChoiceField options generator
# """
# def test_choices_required(self):
# """
# Make sure proper choices are rendered if field is required
# """
# f = serializers.ChoiceField(required=True, choices=SAMPLE_CHOICES)
# self.assertEqual(f.choices, SAMPLE_CHOICES)
# def test_choices_not_required(self):
# """
# Make sure proper choices (plus blank) are rendered if the field isn't required
# """
# f = serializers.ChoiceField(required=False, choices=SAMPLE_CHOICES)
# self.assertEqual(f.choices, models.fields.BLANK_CHOICE_DASH + SAMPLE_CHOICES)
# def test_blank_choice_display(self):
# blank = 'No Preference'
# f = serializers.ChoiceField(
# required=False,
# choices=SAMPLE_CHOICES,
# blank_display_value=blank,
# )
# self.assertEqual(f.choices, [('', blank)] + SAMPLE_CHOICES)
# def test_invalid_choice_model(self):
# s = ChoiceFieldModelSerializer(data={'choice': 'wrong_value'})
# self.assertFalse(s.is_valid())
# self.assertEqual(s.errors, {'choice': ['Select a valid choice. wrong_value is not one of the available choices.']})
# self.assertEqual(s.data['choice'], '')
# def test_empty_choice_model(self):
# """
# Test that the 'empty' value is correctly passed and used depending on
# the 'null' property on the model field.
# """
# s = ChoiceFieldModelSerializer(data={'choice': ''})
# self.assertTrue(s.is_valid())
# self.assertEqual(s.data['choice'], '')
# s = ChoiceFieldModelWithNullSerializer(data={'choice': ''})
# self.assertTrue(s.is_valid())
# self.assertEqual(s.data['choice'], None)
# def test_from_native_empty(self):
# """
# Make sure from_native() returns an empty string on empty param by default.
# """
# f = serializers.ChoiceField(choices=SAMPLE_CHOICES)
# self.assertEqual(f.from_native(''), '')
# self.assertEqual(f.from_native(None), '')
# def test_from_native_empty_override(self):
# """
# Make sure you can override from_native() behavior regarding empty values.
# """
# f = serializers.ChoiceField(choices=SAMPLE_CHOICES, empty=None)
# self.assertEqual(f.from_native(''), None)
# self.assertEqual(f.from_native(None), None)
# def test_metadata_choices(self):
# """
# Make sure proper choices are included in the field's metadata.
# """
# choices = [{'value': v, 'display_name': n} for v, n in SAMPLE_CHOICES]
# f = serializers.ChoiceField(choices=SAMPLE_CHOICES)
# self.assertEqual(f.metadata()['choices'], choices)
# def test_metadata_choices_not_required(self):
# """
# Make sure proper choices are included in the field's metadata.
# """
# choices = [{'value': v, 'display_name': n}
# for v, n in models.fields.BLANK_CHOICE_DASH + SAMPLE_CHOICES]
# f = serializers.ChoiceField(required=False, choices=SAMPLE_CHOICES)
# self.assertEqual(f.metadata()['choices'], choices)
# class EmailFieldTests(TestCase):
# """
# Tests for EmailField attribute values
# """
# class EmailFieldModel(RESTFrameworkModel):
# email_field = models.EmailField(blank=True)
# class EmailFieldWithGivenMaxLengthModel(RESTFrameworkModel):
# email_field = models.EmailField(max_length=150, blank=True)
# def test_default_model_value(self):
# class EmailFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.EmailFieldModel
# serializer = EmailFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 75)
# def test_given_model_value(self):
# class EmailFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.EmailFieldWithGivenMaxLengthModel
# serializer = EmailFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 150)
# def test_given_serializer_value(self):
# class EmailFieldSerializer(serializers.ModelSerializer):
# email_field = serializers.EmailField(source='email_field', max_length=20, required=False)
# class Meta:
# model = self.EmailFieldModel
# serializer = EmailFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['email_field'], 'max_length'), 20)
# class SlugFieldTests(TestCase):
# """
# Tests for SlugField attribute values
# """
# class SlugFieldModel(RESTFrameworkModel):
# slug_field = models.SlugField(blank=True)
# class SlugFieldWithGivenMaxLengthModel(RESTFrameworkModel):
# slug_field = models.SlugField(max_length=84, blank=True)
# def test_default_model_value(self):
# class SlugFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.SlugFieldModel
# serializer = SlugFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['slug_field'], 'max_length'), 50)
# def test_given_model_value(self):
# class SlugFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.SlugFieldWithGivenMaxLengthModel
# serializer = SlugFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['slug_field'], 'max_length'), 84)
# def test_given_serializer_value(self):
# class SlugFieldSerializer(serializers.ModelSerializer):
# slug_field = serializers.SlugField(source='slug_field',
# max_length=20, required=False)
# class Meta:
# model = self.SlugFieldModel
# serializer = SlugFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['slug_field'],
# 'max_length'), 20)
# def test_invalid_slug(self):
# """
# Make sure an invalid slug raises ValidationError
# """
# class SlugFieldSerializer(serializers.ModelSerializer):
# slug_field = serializers.SlugField(source='slug_field', max_length=20, required=True)
# class Meta:
# model = self.SlugFieldModel
# s = SlugFieldSerializer(data={'slug_field': 'a b'})
# self.assertEqual(s.is_valid(), False)
# self.assertEqual(s.errors, {'slug_field': ["Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens."]})
# class URLFieldTests(TestCase):
# """
# Tests for URLField attribute values.
# (Includes test for #1210, checking that validators can be overridden.)
# """
# class URLFieldModel(RESTFrameworkModel):
# url_field = models.URLField(blank=True)
# class URLFieldWithGivenMaxLengthModel(RESTFrameworkModel):
# url_field = models.URLField(max_length=128, blank=True)
# def test_default_model_value(self):
# class URLFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.URLFieldModel
# serializer = URLFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['url_field'],
# 'max_length'), 200)
# def test_given_model_value(self):
# class URLFieldSerializer(serializers.ModelSerializer):
# class Meta:
# model = self.URLFieldWithGivenMaxLengthModel
# serializer = URLFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['url_field'],
# 'max_length'), 128)
# def test_given_serializer_value(self):
# class URLFieldSerializer(serializers.ModelSerializer):
# url_field = serializers.URLField(source='url_field',
# max_length=20, required=False)
# class Meta:
# model = self.URLFieldWithGivenMaxLengthModel
# serializer = URLFieldSerializer(data={})
# self.assertEqual(serializer.is_valid(), True)
# self.assertEqual(getattr(serializer.fields['url_field'],
# 'max_length'), 20)
# def test_validators_can_be_overridden(self):
# url_field = serializers.URLField(validators=[])
# validators = url_field.validators
# self.assertEqual([], validators, 'Passing `validators` kwarg should have overridden default validators')
# class FieldMetadata(TestCase):
# def setUp(self):
# self.required_field = serializers.Field()
# self.required_field.label = uuid4().hex
# self.required_field.required = True
# self.optional_field = serializers.Field()
# self.optional_field.label = uuid4().hex
# self.optional_field.required = False
# def test_required(self):
# self.assertEqual(self.required_field.metadata()['required'], True)
# def test_optional(self):
# self.assertEqual(self.optional_field.metadata()['required'], False)
# def test_label(self):
# for field in (self.required_field, self.optional_field):
# self.assertEqual(field.metadata()['label'], field.label)
# class FieldCallableDefault(TestCase):
# def setUp(self):
# self.simple_callable = lambda: 'foo bar'
# def test_default_can_be_simple_callable(self):
# """
# Ensure that the 'default' argument can also be a simple callable.
# """
# field = serializers.WritableField(default=self.simple_callable)
# into = {}
# field.field_from_native({}, {}, 'field', into)
# self.assertEqual(into, {'field': 'foo bar'})
# class CustomIntegerField(TestCase):
# """
# Test that custom fields apply min_value and max_value constraints
# """
# def test_custom_fields_can_be_validated_for_value(self):
# class MoneyField(models.PositiveIntegerField):
# pass
# class EntryModel(models.Model):
# bank = MoneyField(validators=[validators.MaxValueValidator(100)])
# class EntrySerializer(serializers.ModelSerializer):
# class Meta:
# model = EntryModel
# entry = EntryModel(bank=1)
# serializer = EntrySerializer(entry, data={"bank": 11})
# self.assertTrue(serializer.is_valid())
# serializer = EntrySerializer(entry, data={"bank": -1})
# self.assertFalse(serializer.is_valid())
# serializer = EntrySerializer(entry, data={"bank": 101})
# self.assertFalse(serializer.is_valid())
# class BooleanField(TestCase):
# """
# Tests for BooleanField
# """
# def test_boolean_required(self):
# class BooleanRequiredSerializer(serializers.Serializer):
# bool_field = serializers.BooleanField(required=True)
# self.assertFalse(BooleanRequiredSerializer(data={}).is_valid())
# class SerializerMethodFieldTest(TestCase):
# """
# Tests for the SerializerMethodField field_to_native() behavior
# """
# class SerializerTest(serializers.Serializer):
# def get_my_test(self, obj):
# return obj.my_test[0:5]
# class Example():
# my_test = 'Hey, this is a test !'
# def test_field_to_native(self):
# s = serializers.SerializerMethodField('get_my_test')
# s.initialize(self.SerializerTest(), 'name')
# result = s.field_to_native(self.Example(), None)
# self.assertEqual(result, 'Hey, ')
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