diff options
Diffstat (limited to 'tests/test_fields.py')
| -rw-r--r-- | tests/test_fields.py | 1772 |
1 files changed, 883 insertions, 889 deletions
diff --git a/tests/test_fields.py b/tests/test_fields.py index 0ddbe48b..13525632 100644 --- a/tests/test_fields.py +++ b/tests/test_fields.py @@ -1,1034 +1,1028 @@ -""" -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 django.utils import timezone 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) +import datetime +import django +import pytest - 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) +# Tests for field keyword arguments and core functionality. +# --------------------------------------------------------- -class DateFieldTest(TestCase): +class TestEmpty: """ - Tests for the DateFieldTest from_native() and to_native() behavior + Tests for `required`, `allow_null`, `allow_blank`, `default`. """ - - def test_from_native_string(self): + def test_required(self): """ - Make sure from_native() accepts default iso input formats. + By default a field must be included in the input. """ - f = serializers.DateField() - result_1 = f.from_native('1984-07-31') - - self.assertEqual(datetime.date(1984, 7, 31), result_1) + field = serializers.IntegerField() + with pytest.raises(serializers.ValidationError) as exc_info: + field.run_validation() + assert exc_info.value.detail == ['This field is required.'] - def test_from_native_datetime_date(self): + def test_not_required(self): """ - Make sure from_native() accepts a datetime.date instance. + If `required=False` then a field may be omitted from the input. """ - f = serializers.DateField() - result_1 = f.from_native(datetime.date(1984, 7, 31)) + field = serializers.IntegerField(required=False) + with pytest.raises(serializers.SkipField): + field.run_validation() - self.assertEqual(result_1, datetime.date(1984, 7, 31)) - - def test_from_native_custom_format(self): + def test_disallow_null(self): """ - Make sure from_native() accepts custom input formats. + By default `None` is not a valid input. """ - f = serializers.DateField(input_formats=['%Y -- %d']) - result = f.from_native('1984 -- 31') - - self.assertEqual(datetime.date(1984, 1, 31), result) + field = serializers.IntegerField() + with pytest.raises(serializers.ValidationError) as exc_info: + field.run_validation(None) + assert exc_info.value.detail == ['This field may not be null.'] - def test_from_native_invalid_default_on_custom_format(self): + def test_allow_null(self): """ - Make sure from_native() don't accept default formats if custom format is preset + If `allow_null=True` then `None` is a valid input. """ - 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") + field = serializers.IntegerField(allow_null=True) + output = field.run_validation(None) + assert output is None - def test_from_native_empty(self): + def test_disallow_blank(self): """ - Make sure from_native() returns None on empty param. + By default '' is not a valid input. """ - f = serializers.DateField() - result = f.from_native('') + field = serializers.CharField() + with pytest.raises(serializers.ValidationError) as exc_info: + field.run_validation('') + assert exc_info.value.detail == ['This field may not be blank.'] - self.assertEqual(result, None) - - def test_from_native_none(self): + def test_allow_blank(self): """ - Make sure from_native() returns None on None param. + If `allow_blank=True` then '' is a valid input. """ - f = serializers.DateField() - result = f.from_native(None) - - self.assertEqual(result, None) + field = serializers.CharField(allow_blank=True) + output = field.run_validation('') + assert output is '' - def test_from_native_invalid_date(self): + def test_default(self): """ - Make sure from_native() raises a ValidationError on passing an invalid date. + If `default` is set, then omitted values get the default input. """ - f = serializers.DateField() + field = serializers.IntegerField(default=123) + output = field.run_validation() + assert output is 123 - 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") +class TestSource: + def test_source(self): + class ExampleSerializer(serializers.Serializer): + example_field = serializers.CharField(source='other') + serializer = ExampleSerializer(data={'example_field': 'abc'}) + assert serializer.is_valid() + assert serializer.validated_data == {'other': 'abc'} - def test_to_native(self): - """ - Make sure to_native() returns datetime as default. - """ - f = serializers.DateField() + def test_redundant_source(self): + class ExampleSerializer(serializers.Serializer): + example_field = serializers.CharField(source='example_field') + with pytest.raises(AssertionError) as exc_info: + ExampleSerializer().fields + assert str(exc_info.value) == ( + "It is redundant to specify `source='example_field'` on field " + "'CharField' in serializer 'ExampleSerializer', because it is the " + "same as the field name. Remove the `source` keyword argument." + ) - result_1 = f.to_native(datetime.date(1984, 7, 31)) - self.assertEqual(datetime.date(1984, 7, 31), result_1) +class TestReadOnly: + def setup(self): + class TestSerializer(serializers.Serializer): + read_only = serializers.ReadOnlyField() + writable = serializers.IntegerField() + self.Serializer = TestSerializer - def test_to_native_iso(self): + def test_validate_read_only(self): """ - Make sure to_native() with 'iso-8601' returns iso formated date. + Read-only serializers.should not be included in validation. """ - f = serializers.DateField(format='iso-8601') - - result_1 = f.to_native(datetime.date(1984, 7, 31)) + data = {'read_only': 123, 'writable': 456} + serializer = self.Serializer(data=data) + assert serializer.is_valid() + assert serializer.validated_data == {'writable': 456} - self.assertEqual('1984-07-31', result_1) - - def test_to_native_custom_format(self): + def test_serialize_read_only(self): """ - Make sure to_native() returns correct custom format. + Read-only serializers.should be serialized. """ - f = serializers.DateField(format="%Y - %m.%d") + instance = {'read_only': 123, 'writable': 456} + serializer = self.Serializer(instance) + assert serializer.data == {'read_only': 123, 'writable': 456} - result_1 = f.to_native(datetime.date(1984, 7, 31)) - self.assertEqual('1984 - 07.31', result_1) +class TestWriteOnly: + def setup(self): + class TestSerializer(serializers.Serializer): + write_only = serializers.IntegerField(write_only=True) + readable = serializers.IntegerField() + self.Serializer = TestSerializer - def test_to_native_none(self): + def test_validate_write_only(self): """ - Make sure from_native() returns None on None param. + Write-only serializers.should be included in validation. """ - f = serializers.DateField(required=False) - self.assertEqual(None, f.to_native(None)) - + data = {'write_only': 123, 'readable': 456} + serializer = self.Serializer(data=data) + assert serializer.is_valid() + assert serializer.validated_data == {'write_only': 123, 'readable': 456} -class DateTimeFieldTest(TestCase): - """ - Tests for the DateTimeField from_native() and to_native() behavior - """ - - def test_from_native_string(self): + def test_serialize_write_only(self): """ - Make sure from_native() accepts default iso input formats. + Write-only serializers.should not be serialized. """ - 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') + instance = {'write_only': 123, 'readable': 456} + serializer = self.Serializer(instance) + assert serializer.data == {'readable': 456} - 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)) +class TestInitial: + def setup(self): + class TestSerializer(serializers.Serializer): + initial_field = serializers.IntegerField(initial=123) + blank_field = serializers.IntegerField() + self.serializer = TestSerializer() - 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): + def test_initial(self): """ - Make sure from_native() accepts custom input formats. + Initial values should be included when serializing a new representation. """ - 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) + assert self.serializer.data == { + 'initial_field': 123, + 'blank_field': None + } - 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") +class TestLabel: + def setup(self): + class TestSerializer(serializers.Serializer): + labeled = serializers.IntegerField(label='My label') + self.serializer = TestSerializer() - def test_from_native_empty(self): + def test_label(self): """ - Make sure from_native() returns None on empty param. + A field's label may be set with the `label` argument. """ - f = serializers.DateTimeField() - result = f.from_native('') + fields = self.serializer.fields + assert fields['labeled'].label == 'My label' - 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) +class TestInvalidErrorKey: + def setup(self): + class ExampleField(serializers.Field): + def to_native(self, data): + self.fail('incorrect') + self.field = ExampleField() - self.assertEqual(result, None) - - def test_from_native_invalid_datetime(self): + def test_invalid_error_key(self): """ - Make sure from_native() raises a ValidationError on passing an invalid datetime. + If a field raises a validation error, but does not have a corresponding + error message, then raise an appropriate assertion error. """ - 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") + with pytest.raises(AssertionError) as exc_info: + self.field.to_native(123) + expected = ( + 'ValidationError raised by `ExampleField`, but error key ' + '`incorrect` does not exist in the `error_messages` dictionary.' + ) + assert str(exc_info.value) == expected - 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") +class TestBooleanHTMLInput: + def setup(self): + class TestSerializer(serializers.Serializer): + archived = serializers.BooleanField() + self.Serializer = TestSerializer - def test_to_native(self): + def test_empty_html_checkbox(self): """ - Make sure to_native() returns isoformat as default. + HTML checkboxes do not send any value, but should be treated + as `False` by BooleanField. """ - f = serializers.DateTimeField() + # This class mocks up a dictionary like object, that behaves + # as if it was returned for multipart or urlencoded data. + class MockHTMLDict(dict): + getlist = None + serializer = self.Serializer(data=MockHTMLDict()) + assert serializer.is_valid() + assert serializer.validated_data == {'archived': False} - 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) +class TestCreateOnlyDefault: + def setup(self): + default = serializers.CreateOnlyDefault('2001-01-01') - def test_to_native_iso(self): - """ - Make sure to_native() with format=iso-8601 returns iso formatted datetime. - """ - f = serializers.DateTimeField(format='iso-8601') + class TestSerializer(serializers.Serializer): + published = serializers.HiddenField(default=default) + text = serializers.CharField() + self.Serializer = TestSerializer - 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)) + def test_create_only_default_is_provided(self): + serializer = self.Serializer(data={'text': 'example'}) + assert serializer.is_valid() + assert serializer.validated_data == { + 'text': 'example', 'published': '2001-01-01' + } - 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_create_only_default_is_not_provided_on_update(self): + instance = { + 'text': 'example', 'published': '2001-01-01' + } + serializer = self.Serializer(instance, data={'text': 'example'}) + assert serializer.is_valid() + assert serializer.validated_data == { + 'text': 'example', + } - 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)) +# Tests for field input and output values. +# ---------------------------------------- - 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)) +def get_items(mapping_or_list_of_two_tuples): + # Tests accept either lists of two tuples, or dictionaries. + if isinstance(mapping_or_list_of_two_tuples, dict): + # {value: expected} + return mapping_or_list_of_two_tuples.items() + # [(value, expected), ...] + return mapping_or_list_of_two_tuples -class TimeFieldTest(TestCase): +class FieldValues: """ - Tests for the TimeField from_native() and to_native() behavior + Base class for testing valid and invalid input values. """ - - def test_from_native_string(self): + def test_valid_inputs(self): """ - Make sure from_native() accepts default iso input formats. + Ensure that valid values return the expected validated data. """ - 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) + for input_value, expected_output in get_items(self.valid_inputs): + assert self.field.run_validation(input_value) == expected_output - def test_from_native_datetime_time(self): + def test_invalid_inputs(self): """ - Make sure from_native() accepts a datetime.time instance. + Ensure that invalid values raise the expected validation error. """ - 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)) + for input_value, expected_failure in get_items(self.invalid_inputs): + with pytest.raises(serializers.ValidationError) as exc_info: + self.field.run_validation(input_value) + assert exc_info.value.detail == expected_failure - 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('') + def test_outputs(self): + for output_value, expected_output in get_items(self.outputs): + assert self.field.to_representation(output_value) == expected_output - 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)) +# Boolean types... - 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): +class TestBooleanField(FieldValues): """ - Tests for the DecimalField from_native() and to_native() behavior + Valid and invalid values for `BooleanField`. """ - - 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): + valid_inputs = { + 'true': True, + 'false': False, + '1': True, + '0': False, + 1: True, + 0: False, + True: True, + False: False, + } + invalid_inputs = { + 'foo': ['`foo` is not a valid boolean.'], + None: ['This field may not be null.'] + } + outputs = { + 'true': True, + 'false': False, + '1': True, + '0': False, + 1: True, + 0: False, + True: True, + False: False, + 'other': True + } + field = serializers.BooleanField() + + +class TestNullBooleanField(FieldValues): """ - Tests for the ChoiceField options generator + Valid and invalid values for `BooleanField`. """ - 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): + valid_inputs = { + 'true': True, + 'false': False, + 'null': None, + True: True, + False: False, + None: None + } + invalid_inputs = { + 'foo': ['`foo` is not a valid boolean.'], + } + outputs = { + 'true': True, + 'false': False, + 'null': None, + True: True, + False: False, + None: None, + 'other': True + } + field = serializers.NullBooleanField() + + +# String types... + +class TestCharField(FieldValues): """ - Tests for EmailField attribute values + Valid and invalid values for `CharField`. """ - - 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): + valid_inputs = { + 1: '1', + 'abc': 'abc' + } + invalid_inputs = { + '': ['This field may not be blank.'] + } + outputs = { + 1: '1', + 'abc': 'abc' + } + field = serializers.CharField() + + +class TestEmailField(FieldValues): """ - Tests for SlugField attribute values + Valid and invalid values for `EmailField`. """ + valid_inputs = { + 'example@example.com': 'example@example.com', + ' example@example.com ': 'example@example.com', + } + invalid_inputs = { + 'examplecom': ['Enter a valid email address.'] + } + outputs = {} + field = serializers.EmailField() + + +class TestRegexField(FieldValues): + """ + Valid and invalid values for `RegexField`. + """ + valid_inputs = { + 'a9': 'a9', + } + invalid_inputs = { + 'A9': ["This value does not match the required pattern."] + } + outputs = {} + field = serializers.RegexField(regex='[a-z][0-9]') - 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 TestSlugField(FieldValues): + """ + Valid and invalid values for `SlugField`. + """ + valid_inputs = { + 'slug-99': 'slug-99', + } + invalid_inputs = { + 'slug 99': ["Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens."] + } + outputs = {} + field = serializers.SlugField() - class Meta: - model = self.SlugFieldModel - s = SlugFieldSerializer(data={'slug_field': 'a b'}) +class TestURLField(FieldValues): + """ + Valid and invalid values for `URLField`. + """ + valid_inputs = { + 'http://example.com': 'http://example.com', + } + invalid_inputs = { + 'example.com': ['Enter a valid URL.'] + } + outputs = {} + field = serializers.URLField() - self.assertEqual(s.is_valid(), False) - self.assertEqual(s.errors, {'slug_field': ["Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens."]}) +# Number types... -class URLFieldTests(TestCase): +class TestIntegerField(FieldValues): """ - Tests for URLField attribute values. - - (Includes test for #1210, checking that validators can be overridden.) + Valid and invalid values for `IntegerField`. + """ + valid_inputs = { + '1': 1, + '0': 0, + 1: 1, + 0: 0, + 1.0: 1, + 0.0: 0 + } + invalid_inputs = { + 'abc': ['A valid integer is required.'] + } + outputs = { + '1': 1, + '0': 0, + 1: 1, + 0: 0, + 1.0: 1, + 0.0: 0 + } + field = serializers.IntegerField() + + +class TestMinMaxIntegerField(FieldValues): + """ + Valid and invalid values for `IntegerField` with min and max limits. + """ + valid_inputs = { + '1': 1, + '3': 3, + 1: 1, + 3: 3, + } + invalid_inputs = { + 0: ['Ensure this value is greater than or equal to 1.'], + 4: ['Ensure this value is less than or equal to 3.'], + '0': ['Ensure this value is greater than or equal to 1.'], + '4': ['Ensure this value is less than or equal to 3.'], + } + outputs = {} + field = serializers.IntegerField(min_value=1, max_value=3) + + +class TestFloatField(FieldValues): + """ + Valid and invalid values for `FloatField`. + """ + valid_inputs = { + '1': 1.0, + '0': 0.0, + 1: 1.0, + 0: 0.0, + 1.0: 1.0, + 0.0: 0.0, + } + invalid_inputs = { + 'abc': ["A valid number is required."] + } + outputs = { + '1': 1.0, + '0': 0.0, + 1: 1.0, + 0: 0.0, + 1.0: 1.0, + 0.0: 0.0, + } + field = serializers.FloatField() + + +class TestMinMaxFloatField(FieldValues): """ + Valid and invalid values for `FloatField` with min and max limits. + """ + valid_inputs = { + '1': 1, + '3': 3, + 1: 1, + 3: 3, + 1.0: 1.0, + 3.0: 3.0, + } + invalid_inputs = { + 0.9: ['Ensure this value is greater than or equal to 1.'], + 3.1: ['Ensure this value is less than or equal to 3.'], + '0.0': ['Ensure this value is greater than or equal to 1.'], + '3.1': ['Ensure this value is less than or equal to 3.'], + } + outputs = {} + field = serializers.FloatField(min_value=1, max_value=3) + + +class TestDecimalField(FieldValues): + """ + Valid and invalid values for `DecimalField`. + """ + valid_inputs = { + '12.3': Decimal('12.3'), + '0.1': Decimal('0.1'), + 10: Decimal('10'), + 0: Decimal('0'), + 12.3: Decimal('12.3'), + 0.1: Decimal('0.1'), + } + invalid_inputs = ( + ('abc', ["A valid number is required."]), + (Decimal('Nan'), ["A valid number is required."]), + (Decimal('Inf'), ["A valid number is required."]), + ('12.345', ["Ensure that there are no more than 3 digits in total."]), + ('0.01', ["Ensure that there are no more than 1 decimal places."]), + (123, ["Ensure that there are no more than 2 digits before the decimal point."]) + ) + outputs = { + '1': '1.0', + '0': '0.0', + '1.09': '1.1', + '0.04': '0.0', + 1: '1.0', + 0: '0.0', + Decimal('1.0'): '1.0', + Decimal('0.0'): '0.0', + Decimal('1.09'): '1.1', + Decimal('0.04'): '0.0' + } + field = serializers.DecimalField(max_digits=3, decimal_places=1) + + +class TestMinMaxDecimalField(FieldValues): + """ + Valid and invalid values for `DecimalField` with min and max limits. + """ + valid_inputs = { + '10.0': Decimal('10.0'), + '20.0': Decimal('20.0'), + } + invalid_inputs = { + '9.9': ['Ensure this value is greater than or equal to 10.'], + '20.1': ['Ensure this value is less than or equal to 20.'], + } + outputs = {} + field = serializers.DecimalField( + max_digits=3, decimal_places=1, + min_value=10, max_value=20 + ) + + +class TestNoStringCoercionDecimalField(FieldValues): + """ + Output values for `DecimalField` with `coerce_to_string=False`. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + 1.09: Decimal('1.1'), + 0.04: Decimal('0.0'), + '1.09': Decimal('1.1'), + '0.04': Decimal('0.0'), + Decimal('1.09'): Decimal('1.1'), + Decimal('0.04'): Decimal('0.0'), + } + field = serializers.DecimalField( + max_digits=3, decimal_places=1, + coerce_to_string=False + ) + + +# Date & time serializers... + +class TestDateField(FieldValues): + """ + Valid and invalid values for `DateField`. + """ + valid_inputs = { + '2001-01-01': datetime.date(2001, 1, 1), + datetime.date(2001, 1, 1): datetime.date(2001, 1, 1), + } + invalid_inputs = { + 'abc': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]'], + '2001-99-99': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]'], + datetime.datetime(2001, 1, 1, 12, 00): ['Expected a date but got a datetime.'], + } + outputs = { + datetime.date(2001, 1, 1): '2001-01-01' + } + field = serializers.DateField() + + +class TestCustomInputFormatDateField(FieldValues): + """ + Valid and invalid values for `DateField` with a cutom input format. + """ + valid_inputs = { + '1 Jan 2001': datetime.date(2001, 1, 1), + } + invalid_inputs = { + '2001-01-01': ['Date has wrong format. Use one of these formats instead: DD [Jan-Dec] YYYY'] + } + outputs = {} + field = serializers.DateField(input_formats=['%d %b %Y']) - class URLFieldModel(RESTFrameworkModel): - url_field = models.URLField(blank=True) - class URLFieldWithGivenMaxLengthModel(RESTFrameworkModel): - url_field = models.URLField(max_length=128, blank=True) +class TestCustomOutputFormatDateField(FieldValues): + """ + Values for `DateField` with a custom output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.date(2001, 1, 1): '01 Jan 2001' + } + field = serializers.DateField(format='%d %b %Y') - 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) +class TestNoOutputFormatDateField(FieldValues): + """ + Values for `DateField` with no output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.date(2001, 1, 1): datetime.date(2001, 1, 1) + } + field = serializers.DateField(format=None) - 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) +class TestDateTimeField(FieldValues): + """ + Valid and invalid values for `DateTimeField`. + """ + valid_inputs = { + '2001-01-01 13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()), + '2001-01-01T13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()), + '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()), + datetime.datetime(2001, 1, 1, 13, 00): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()), + datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()), + # Django 1.4 does not support timezone string parsing. + '2001-01-01T14:00+01:00' if (django.VERSION > (1, 4)) else '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()) + } + invalid_inputs = { + 'abc': ['Datetime has wrong format. Use one of these formats instead: YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]'], + '2001-99-99T99:00': ['Datetime has wrong format. Use one of these formats instead: YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]'], + datetime.date(2001, 1, 1): ['Expected a datetime but got a date.'], + } + outputs = { + datetime.datetime(2001, 1, 1, 13, 00): '2001-01-01T13:00:00', + datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): '2001-01-01T13:00:00Z' + } + field = serializers.DateTimeField(default_timezone=timezone.UTC()) + + +class TestCustomInputFormatDateTimeField(FieldValues): + """ + Valid and invalid values for `DateTimeField` with a cutom input format. + """ + valid_inputs = { + '1:35pm, 1 Jan 2001': datetime.datetime(2001, 1, 1, 13, 35, tzinfo=timezone.UTC()), + } + invalid_inputs = { + '2001-01-01T20:50': ['Datetime has wrong format. Use one of these formats instead: hh:mm[AM|PM], DD [Jan-Dec] YYYY'] + } + outputs = {} + field = serializers.DateTimeField(default_timezone=timezone.UTC(), input_formats=['%I:%M%p, %d %b %Y']) - 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 +class TestCustomOutputFormatDateTimeField(FieldValues): + """ + Values for `DateTimeField` with a custom output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.datetime(2001, 1, 1, 13, 00): '01:00PM, 01 Jan 2001', + } + field = serializers.DateTimeField(format='%I:%M%p, %d %b %Y') - 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 TestNoOutputFormatDateTimeField(FieldValues): + """ + Values for `DateTimeField` with no output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.datetime(2001, 1, 1, 13, 00): datetime.datetime(2001, 1, 1, 13, 00), + } + field = serializers.DateTimeField(format=None) -class FieldMetadata(TestCase): - def setUp(self): - self.required_field = serializers.Field() - self.required_field.label = uuid4().hex - self.required_field.required = True +class TestNaiveDateTimeField(FieldValues): + """ + Valid and invalid values for `DateTimeField` with naive datetimes. + """ + valid_inputs = { + datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): datetime.datetime(2001, 1, 1, 13, 00), + '2001-01-01 13:00': datetime.datetime(2001, 1, 1, 13, 00), + } + invalid_inputs = {} + outputs = {} + field = serializers.DateTimeField(default_timezone=None) - 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) +class TestTimeField(FieldValues): + """ + Valid and invalid values for `TimeField`. + """ + valid_inputs = { + '13:00': datetime.time(13, 00), + datetime.time(13, 00): datetime.time(13, 00), + } + invalid_inputs = { + 'abc': ['Time has wrong format. Use one of these formats instead: hh:mm[:ss[.uuuuuu]]'], + '99:99': ['Time has wrong format. Use one of these formats instead: hh:mm[:ss[.uuuuuu]]'], + } + outputs = { + datetime.time(13, 00): '13:00:00' + } + field = serializers.TimeField() + + +class TestCustomInputFormatTimeField(FieldValues): + """ + Valid and invalid values for `TimeField` with a custom input format. + """ + valid_inputs = { + '1:00pm': datetime.time(13, 00), + } + invalid_inputs = { + '13:00': ['Time has wrong format. Use one of these formats instead: hh:mm[AM|PM]'], + } + outputs = {} + field = serializers.TimeField(input_formats=['%I:%M%p']) - 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 TestCustomOutputFormatTimeField(FieldValues): + """ + Values for `TimeField` with a custom output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.time(13, 00): '01:00PM' + } + field = serializers.TimeField(format='%I:%M%p') -class FieldCallableDefault(TestCase): - def setUp(self): - self.simple_callable = lambda: 'foo bar' +class TestNoOutputFormatTimeField(FieldValues): + """ + Values for `TimeField` with a no output format. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = { + datetime.time(13, 00): datetime.time(13, 00) + } + field = serializers.TimeField(format=None) - 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'}) +# Choice types... -class CustomIntegerField(TestCase): +class TestChoiceField(FieldValues): """ - Test that custom fields apply min_value and max_value constraints + Valid and invalid values for `ChoiceField`. """ - def test_custom_fields_can_be_validated_for_value(self): - - class MoneyField(models.PositiveIntegerField): - pass + valid_inputs = { + 'poor': 'poor', + 'medium': 'medium', + 'good': 'good', + } + invalid_inputs = { + 'amazing': ['`amazing` is not a valid choice.'] + } + outputs = { + 'good': 'good', + '': '' + } + field = serializers.ChoiceField( + choices=[ + ('poor', 'Poor quality'), + ('medium', 'Medium quality'), + ('good', 'Good quality'), + ] + ) + + +class TestChoiceFieldWithType(FieldValues): + """ + Valid and invalid values for a `Choice` field that uses an integer type, + instead of a char type. + """ + valid_inputs = { + '1': 1, + 3: 3, + } + invalid_inputs = { + 5: ['`5` is not a valid choice.'], + 'abc': ['`abc` is not a valid choice.'] + } + outputs = { + '1': 1, + 1: 1 + } + field = serializers.ChoiceField( + choices=[ + (1, 'Poor quality'), + (2, 'Medium quality'), + (3, 'Good quality'), + ] + ) + + +class TestChoiceFieldWithListChoices(FieldValues): + """ + Valid and invalid values for a `Choice` field that uses a flat list for the + choices, rather than a list of pairs of (`value`, `description`). + """ + valid_inputs = { + 'poor': 'poor', + 'medium': 'medium', + 'good': 'good', + } + invalid_inputs = { + 'awful': ['`awful` is not a valid choice.'] + } + outputs = { + 'good': 'good' + } + field = serializers.ChoiceField(choices=('poor', 'medium', 'good')) + + +class TestMultipleChoiceField(FieldValues): + """ + Valid and invalid values for `MultipleChoiceField`. + """ + valid_inputs = { + (): set(), + ('aircon',): set(['aircon']), + ('aircon', 'manual'): set(['aircon', 'manual']), + } + invalid_inputs = { + 'abc': ['Expected a list of items but got type `str`.'], + ('aircon', 'incorrect'): ['`incorrect` is not a valid choice.'] + } + outputs = [ + (['aircon', 'manual'], set(['aircon', 'manual'])) + ] + field = serializers.MultipleChoiceField( + choices=[ + ('aircon', 'AirCon'), + ('manual', 'Manual drive'), + ('diesel', 'Diesel'), + ] + ) + + +# File serializers... + +class MockFile: + def __init__(self, name='', size=0, url=''): + self.name = name + self.size = size + self.url = url + + def __eq__(self, other): + return ( + isinstance(other, MockFile) and + self.name == other.name and + self.size == other.size and + self.url == other.url + ) - class EntryModel(models.Model): - bank = MoneyField(validators=[validators.MaxValueValidator(100)]) - class EntrySerializer(serializers.ModelSerializer): - class Meta: - model = EntryModel +class TestFileField(FieldValues): + """ + Values for `FileField`. + """ + valid_inputs = [ + (MockFile(name='example', size=10), MockFile(name='example', size=10)) + ] + invalid_inputs = [ + ('invalid', ['The submitted data was not a file. Check the encoding type on the form.']), + (MockFile(name='example.txt', size=0), ['The submitted file is empty.']), + (MockFile(name='', size=10), ['No filename could be determined.']), + (MockFile(name='x' * 100, size=10), ['Ensure this filename has at most 10 characters (it has 100).']) + ] + outputs = [ + (MockFile(name='example.txt', url='/example.txt'), '/example.txt'), + ('', None) + ] + field = serializers.FileField(max_length=10) + + +class TestFieldFieldWithName(FieldValues): + """ + Values for `FileField` with a filename output instead of URLs. + """ + valid_inputs = {} + invalid_inputs = {} + outputs = [ + (MockFile(name='example.txt', url='/example.txt'), 'example.txt') + ] + field = serializers.FileField(use_url=False) - entry = EntryModel(bank=1) - serializer = EntrySerializer(entry, data={"bank": 11}) - self.assertTrue(serializer.is_valid()) +# Stub out mock Django `forms.ImageField` class so we don't *actually* +# call into it's regular validation, or require PIL for testing. +class FailImageValidation(object): + def to_python(self, value): + raise serializers.ValidationError(self.error_messages['invalid_image']) - serializer = EntrySerializer(entry, data={"bank": -1}) - self.assertFalse(serializer.is_valid()) - serializer = EntrySerializer(entry, data={"bank": 101}) - self.assertFalse(serializer.is_valid()) +class PassImageValidation(object): + def to_python(self, value): + return value -class BooleanField(TestCase): +class TestInvalidImageField(FieldValues): """ - Tests for BooleanField + Values for an invalid `ImageField`. """ - def test_boolean_required(self): - class BooleanRequiredSerializer(serializers.Serializer): - bool_field = serializers.BooleanField(required=True) - - self.assertFalse(BooleanRequiredSerializer(data={}).is_valid()) + valid_inputs = {} + invalid_inputs = [ + (MockFile(name='example.txt', size=10), ['Upload a valid image. The file you uploaded was either not an image or a corrupted image.']) + ] + outputs = {} + field = serializers.ImageField(_DjangoImageField=FailImageValidation) -class ModelCharField(TestCase): +class TestValidImageField(FieldValues): """ - Tests for CharField + Values for an valid `ImageField`. """ - def test_none_serializing(self): - class CharFieldSerializer(serializers.Serializer): - char = serializers.CharField(allow_none=True, required=False) - serializer = CharFieldSerializer(data={'char': None}) - self.assertTrue(serializer.is_valid()) - self.assertIsNone(serializer.object['char']) + valid_inputs = [ + (MockFile(name='example.txt', size=10), MockFile(name='example.txt', size=10)) + ] + invalid_inputs = {} + outputs = {} + field = serializers.ImageField(_DjangoImageField=PassImageValidation) -class SerializerMethodFieldTest(TestCase): +# Composite serializers... + +class TestListField(FieldValues): """ - Tests for the SerializerMethodField field_to_native() behavior + Values for `ListField`. """ - 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, ') + valid_inputs = [ + ([1, 2, 3], [1, 2, 3]), + (['1', '2', '3'], [1, 2, 3]) + ] + invalid_inputs = [ + ('not a list', ['Expected a list of items but got type `str`']), + ([1, 2, 'error'], ['A valid integer is required.']) + ] + outputs = [ + ([1, 2, 3], [1, 2, 3]), + (['1', '2', '3'], [1, 2, 3]) + ] + field = serializers.ListField(child=serializers.IntegerField()) + + +# Tests for FieldField. +# --------------------- + +class MockRequest: + def build_absolute_uri(self, value): + return 'http://example.com' + value + + +class TestFileFieldContext: + def test_fully_qualified_when_request_in_context(self): + field = serializers.FileField(max_length=10) + field._context = {'request': MockRequest()} + obj = MockFile(name='example.txt', url='/example.txt') + value = field.to_representation(obj) + assert value == 'http://example.com/example.txt' + + +# Tests for SerializerMethodField. +# -------------------------------- + +class TestSerializerMethodField: + def test_serializer_method_field(self): + class ExampleSerializer(serializers.Serializer): + example_field = serializers.SerializerMethodField() + + def get_example_field(self, obj): + return 'ran get_example_field(%d)' % obj['example_field'] + + serializer = ExampleSerializer({'example_field': 123}) + assert serializer.data == { + 'example_field': 'ran get_example_field(123)' + } + + def test_redundant_method_name(self): + class ExampleSerializer(serializers.Serializer): + example_field = serializers.SerializerMethodField('get_example_field') + + with pytest.raises(AssertionError) as exc_info: + ExampleSerializer().fields + assert str(exc_info.value) == ( + "It is redundant to specify `get_example_field` on " + "SerializerMethodField 'example_field' in serializer " + "'ExampleSerializer', because it is the same as the default " + "method name. Remove the `method_name` argument." + ) |