mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-11-10 19:56:59 +03:00
Field tests and associated cleanup
This commit is contained in:
Tom Christie
parent
cf72b9a8b7
commit
af46fd6b00
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@ -12,7 +12,6 @@ from rest_framework.utils import html, representation, humanize_datetime
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import datetime
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import decimal
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import inspect
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import warnings
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class empty:
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@ -395,7 +394,7 @@ class IntegerField(Field):
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class FloatField(Field):
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default_error_messages = {
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'invalid': _("'%s' value must be a float."),
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'invalid': _("A valid number is required."),
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}
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def __init__(self, **kwargs):
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@ -410,20 +409,20 @@ class FloatField(Field):
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def to_internal_value(self, value):
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if value is None:
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return None
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return float(value)
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try:
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return float(value)
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except (TypeError, ValueError):
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self.fail('invalid')
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def to_representation(self, value):
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if value is None:
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return None
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try:
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return float(value)
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except (TypeError, ValueError):
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self.fail('invalid', value=value)
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return float(value)
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class DecimalField(Field):
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default_error_messages = {
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'invalid': _('Enter a number.'),
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'invalid': _('A valid number is required.'),
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'max_value': _('Ensure this value is less than or equal to {max_value}.'),
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'min_value': _('Ensure this value is greater than or equal to {min_value}.'),
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'max_digits': _('Ensure that there are no more than {max_digits} digits in total.'),
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@ -485,7 +484,7 @@ class DecimalField(Field):
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if self.decimal_places is not None and decimals > self.decimal_places:
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self.fail('max_decimal_places', max_decimal_places=self.decimal_places)
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if self.max_digits is not None and self.decimal_places is not None and whole_digits > (self.max_digits - self.decimal_places):
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self.fail('max_whole_digits', max_while_digits=self.max_digits - self.decimal_places)
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self.fail('max_whole_digits', max_whole_digits=self.max_digits - self.decimal_places)
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return value
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@ -511,6 +510,7 @@ class DecimalField(Field):
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class DateField(Field):
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default_error_messages = {
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'invalid': _('Date has wrong format. Use one of these formats instead: {format}'),
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'datetime': _('Expected a date but got a datetime.'),
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}
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format = api_settings.DATE_FORMAT
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input_formats = api_settings.DATE_INPUT_FORMATS
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@ -525,12 +525,7 @@ class DateField(Field):
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return None
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if isinstance(value, datetime.datetime):
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if timezone and settings.USE_TZ and timezone.is_aware(value):
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# Convert aware datetimes to the default time zone
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# before casting them to dates (#17742).
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default_timezone = timezone.get_default_timezone()
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value = timezone.make_naive(value, default_timezone)
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return value.date()
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self.fail('datetime')
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if isinstance(value, datetime.date):
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return value
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@ -570,35 +565,38 @@ class DateField(Field):
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class DateTimeField(Field):
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default_error_messages = {
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'invalid': _('Datetime has wrong format. Use one of these formats instead: {format}'),
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'date': _('Expected a datetime but got a date.'),
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}
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format = api_settings.DATETIME_FORMAT
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input_formats = api_settings.DATETIME_INPUT_FORMATS
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default_timezone = timezone.get_default_timezone() if settings.USE_TZ else None
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def __init__(self, format=None, input_formats=None, *args, **kwargs):
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def __init__(self, format=None, input_formats=None, default_timezone=None, *args, **kwargs):
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self.format = format if format is not None else self.format
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self.input_formats = input_formats if input_formats is not None else self.input_formats
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self.default_timezone = default_timezone if default_timezone is not None else self.default_timezone
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super(DateTimeField, self).__init__(*args, **kwargs)
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def enforce_timezone(self, value):
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"""
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When `self.default_timezone` is `None`, always return naive datetimes.
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When `self.default_timezone` is not `None`, always return aware datetimes.
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"""
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if (self.default_timezone is not None) and not timezone.is_aware(value):
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return timezone.make_aware(value, self.default_timezone)
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elif (self.default_timezone is None) and timezone.is_aware(value):
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return timezone.make_naive(value, timezone.UTC())
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return value
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def to_internal_value(self, value):
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if value in (None, ''):
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return None
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if isinstance(value, datetime.datetime):
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return value
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if isinstance(value, datetime.date) and not isinstance(value, datetime.datetime):
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self.fail('date')
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if isinstance(value, datetime.date):
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value = datetime.datetime(value.year, value.month, value.day)
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if settings.USE_TZ:
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# For backwards compatibility, interpret naive datetimes in
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# local time. This won't work during DST change, but we can't
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# do much about it, so we let the exceptions percolate up the
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# call stack.
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warnings.warn("DateTimeField received a naive datetime (%s)"
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" while time zone support is active." % value,
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RuntimeWarning)
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default_timezone = timezone.get_default_timezone()
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value = timezone.make_aware(value, default_timezone)
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return value
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if isinstance(value, datetime.datetime):
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return self.enforce_timezone(value)
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for format in self.input_formats:
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if format.lower() == ISO_8601:
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@ -608,14 +606,14 @@ class DateTimeField(Field):
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pass
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else:
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if parsed is not None:
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return parsed
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return self.enforce_timezone(parsed)
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else:
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try:
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parsed = datetime.datetime.strptime(value, format)
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except (ValueError, TypeError):
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pass
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else:
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return parsed
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return self.enforce_timezone(parsed)
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humanized_format = humanize_datetime.datetime_formats(self.input_formats)
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self.fail('invalid', format=humanized_format)
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@ -1,3 +1,337 @@
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from decimal import Decimal
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from django.utils import timezone
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from rest_framework import fields
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import datetime
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import pytest
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class ValidAndInvalidValues:
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"""
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Base class for testing valid and invalid field values.
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"""
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def test_valid_values(self):
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"""
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Ensure that valid values return the expected validated data.
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"""
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for input_value, expected_output in self.valid_mappings.items():
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assert self.field.run_validation(input_value) == expected_output
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def test_invalid_values(self):
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"""
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Ensure that invalid values raise the expected validation error.
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"""
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for input_value, expected_failure in self.invalid_mappings.items():
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with pytest.raises(fields.ValidationError) as exc_info:
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self.field.run_validation(input_value)
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assert exc_info.value.messages == expected_failure
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class TestCharField(ValidAndInvalidValues):
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valid_mappings = {
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1: '1',
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'abc': 'abc'
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}
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invalid_mappings = {
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'': ['This field may not be blank.']
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}
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field = fields.CharField()
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class TestBooleanField(ValidAndInvalidValues):
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valid_mappings = {
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'true': True,
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'false': False,
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'1': True,
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'0': False,
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1: True,
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0: False,
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True: True,
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False: False,
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}
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invalid_mappings = {
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'foo': ['`foo` is not a valid boolean.']
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}
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field = fields.BooleanField()
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# Number types...
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class TestIntegerField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `IntegerField`.
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"""
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valid_mappings = {
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'1': 1,
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'0': 0,
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1: 1,
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0: 0,
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1.0: 1,
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0.0: 0
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}
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invalid_mappings = {
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'abc': ['A valid integer is required.']
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}
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field = fields.IntegerField()
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class TestMinMaxIntegerField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `IntegerField` with min and max limits.
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"""
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valid_mappings = {
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'1': 1,
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'3': 3,
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1: 1,
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3: 3,
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}
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invalid_mappings = {
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0: ['Ensure this value is greater than or equal to 1.'],
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4: ['Ensure this value is less than or equal to 3.'],
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'0': ['Ensure this value is greater than or equal to 1.'],
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'4': ['Ensure this value is less than or equal to 3.'],
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}
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field = fields.IntegerField(min_value=1, max_value=3)
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class TestFloatField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `FloatField`.
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"""
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valid_mappings = {
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'1': 1.0,
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'0': 0.0,
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1: 1.0,
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0: 0.0,
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1.0: 1.0,
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0.0: 0.0,
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}
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invalid_mappings = {
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'abc': ["A valid number is required."]
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}
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field = fields.FloatField()
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class TestMinMaxFloatField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `FloatField` with min and max limits.
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"""
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valid_mappings = {
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'1': 1,
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'3': 3,
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1: 1,
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3: 3,
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1.0: 1.0,
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3.0: 3.0,
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}
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invalid_mappings = {
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0.9: ['Ensure this value is greater than or equal to 1.'],
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3.1: ['Ensure this value is less than or equal to 3.'],
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'0.0': ['Ensure this value is greater than or equal to 1.'],
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'3.1': ['Ensure this value is less than or equal to 3.'],
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}
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field = fields.FloatField(min_value=1, max_value=3)
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class TestDecimalField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DecimalField`.
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"""
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valid_mappings = {
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'12.3': Decimal('12.3'),
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'0.1': Decimal('0.1'),
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10: Decimal('10'),
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0: Decimal('0'),
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12.3: Decimal('12.3'),
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0.1: Decimal('0.1'),
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}
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invalid_mappings = {
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'abc': ["A valid number is required."],
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Decimal('Nan'): ["A valid number is required."],
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Decimal('Inf'): ["A valid number is required."],
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'12.345': ["Ensure that there are no more than 3 digits in total."],
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'0.01': ["Ensure that there are no more than 1 decimal places."],
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123: ["Ensure that there are no more than 2 digits before the decimal point."]
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}
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field = fields.DecimalField(max_digits=3, decimal_places=1)
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class TestMinMaxDecimalField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DecimalField` with min and max limits.
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"""
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valid_mappings = {
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'10.0': 10.0,
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'20.0': 20.0,
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}
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invalid_mappings = {
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'9.9': ['Ensure this value is greater than or equal to 10.'],
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'20.1': ['Ensure this value is less than or equal to 20.'],
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}
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field = fields.DecimalField(
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max_digits=3, decimal_places=1,
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min_value=10, max_value=20
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)
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# Date & time fields...
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class TestDateField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DateField`.
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"""
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valid_mappings = {
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'2001-01-01': datetime.date(2001, 1, 1),
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datetime.date(2001, 1, 1): datetime.date(2001, 1, 1),
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}
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invalid_mappings = {
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'abc': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]'],
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'2001-99-99': ['Date has wrong format. Use one of these formats instead: YYYY[-MM[-DD]]'],
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datetime.datetime(2001, 1, 1, 12, 00): ['Expected a date but got a datetime.'],
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}
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field = fields.DateField()
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class TestCustomInputFormatDateField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DateField` with a cutom input format.
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"""
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valid_mappings = {
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'1 Jan 2001': datetime.date(2001, 1, 1),
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}
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invalid_mappings = {
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'2001-01-01': ['Date has wrong format. Use one of these formats instead: DD [Jan-Dec] YYYY']
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}
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field = fields.DateField(input_formats=['%d %b %Y'])
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class TestDateTimeField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DateTimeField`.
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"""
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valid_mappings = {
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'2001-01-01 13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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'2001-01-01T13:00': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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'2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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'2001-01-01T14:00+0100': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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datetime.datetime(2001, 1, 1, 13, 00): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()),
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}
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invalid_mappings = {
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'abc': ['Datetime has wrong format. Use one of these formats instead: YYYY-MM-DDThh:mm[:ss[.uuuuuu]][+HH:MM|-HH:MM|Z]'],
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'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]'],
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datetime.date(2001, 1, 1): ['Expected a datetime but got a date.'],
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}
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field = fields.DateTimeField(default_timezone=timezone.UTC())
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class TestCustomInputFormatDateTimeField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DateTimeField` with a cutom input format.
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"""
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valid_mappings = {
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'1:35pm, 1 Jan 2001': datetime.datetime(2001, 1, 1, 13, 35, tzinfo=timezone.UTC()),
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}
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invalid_mappings = {
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'2001-01-01T20:50': ['Datetime has wrong format. Use one of these formats instead: hh:mm[AM|PM], DD [Jan-Dec] YYYY']
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}
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field = fields.DateTimeField(default_timezone=timezone.UTC(), input_formats=['%I:%M%p, %d %b %Y'])
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class TestNaiveDateTimeField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `DateTimeField` with naive datetimes.
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"""
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valid_mappings = {
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datetime.datetime(2001, 1, 1, 13, 00, tzinfo=timezone.UTC()): datetime.datetime(2001, 1, 1, 13, 00),
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'2001-01-01 13:00': datetime.datetime(2001, 1, 1, 13, 00),
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}
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invalid_mappings = {}
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field = fields.DateTimeField(default_timezone=None)
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# Choice types...
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class TestChoiceField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `ChoiceField`.
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"""
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valid_mappings = {
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'poor': 'poor',
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'medium': 'medium',
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'good': 'good',
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}
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invalid_mappings = {
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'awful': ['`awful` is not a valid choice.']
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}
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field = fields.ChoiceField(
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choices=[
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('poor', 'Poor quality'),
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('medium', 'Medium quality'),
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('good', 'Good quality'),
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]
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)
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class TestChoiceFieldWithType(ValidAndInvalidValues):
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"""
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Valid and invalid values for a `Choice` field that uses an integer type,
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instead of a char type.
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"""
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valid_mappings = {
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'1': 1,
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3: 3,
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}
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invalid_mappings = {
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5: ['`5` is not a valid choice.'],
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'abc': ['`abc` is not a valid choice.']
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}
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field = fields.ChoiceField(
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choices=[
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(1, 'Poor quality'),
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(2, 'Medium quality'),
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(3, 'Good quality'),
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]
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)
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class TestChoiceFieldWithListChoices(ValidAndInvalidValues):
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"""
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Valid and invalid values for a `Choice` field that uses a flat list for the
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choices, rather than a list of pairs of (`value`, `description`).
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"""
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valid_mappings = {
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'poor': 'poor',
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'medium': 'medium',
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'good': 'good',
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}
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invalid_mappings = {
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'awful': ['`awful` is not a valid choice.']
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}
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field = fields.ChoiceField(choices=('poor', 'medium', 'good'))
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class TestMultipleChoiceField(ValidAndInvalidValues):
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"""
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Valid and invalid values for `MultipleChoiceField`.
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"""
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valid_mappings = {
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(): set(),
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('aircon',): set(['aircon']),
|
||||
('aircon', 'manual'): set(['aircon', 'manual']),
|
||||
}
|
||||
invalid_mappings = {
|
||||
'abc': ['Expected a list of items but got type `str`'],
|
||||
('aircon', 'incorrect'): ['`incorrect` is not a valid choice.']
|
||||
}
|
||||
field = fields.MultipleChoiceField(
|
||||
choices=[
|
||||
('aircon', 'AirCon'),
|
||||
('manual', 'Manual drive'),
|
||||
('diesel', 'Diesel'),
|
||||
]
|
||||
)
|
||||
|
||||
|
||||
# """
|
||||
# General serializer field tests.
|
||||
# """
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user