django/tests/model_fields/test_promises.py

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import datetime
import unittest
from decimal import Decimal
from django.db.models.fields import (
AutoField, BigIntegerField, BinaryField, BooleanField, CharField,
DateField, DateTimeField, DecimalField, EmailField, FilePathField,
FloatField, GenericIPAddressField, IntegerField, IPAddressField,
NullBooleanField, PositiveIntegerField, PositiveSmallIntegerField,
SlugField, SmallIntegerField, TextField, TimeField, URLField,
)
from django.db.models.fields.files import FileField, ImageField
from django.test import SimpleTestCase
from django.utils import six
from django.utils.functional import lazy
class PromiseTest(SimpleTestCase):
def test_AutoField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(AutoField(primary_key=True).get_prep_value(lazy_func()), int)
@unittest.skipIf(six.PY3, 'Python 3 has no `long` type.')
def test_BigIntegerField(self):
lazy_func = lazy(lambda: long(9999999999999999999), long) # NOQA: long undefined on PY3
self.assertIsInstance(BigIntegerField().get_prep_value(lazy_func()), long) # NOQA
def test_BinaryField(self):
lazy_func = lazy(lambda: b'', bytes)
self.assertIsInstance(BinaryField().get_prep_value(lazy_func()), bytes)
def test_BooleanField(self):
lazy_func = lazy(lambda: True, bool)
self.assertIsInstance(BooleanField().get_prep_value(lazy_func()), bool)
def test_CharField(self):
lazy_func = lazy(lambda: '', six.text_type)
self.assertIsInstance(CharField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(CharField().get_prep_value(lazy_func()), six.text_type)
def test_DateField(self):
lazy_func = lazy(lambda: datetime.date.today(), datetime.date)
self.assertIsInstance(DateField().get_prep_value(lazy_func()), datetime.date)
def test_DateTimeField(self):
lazy_func = lazy(lambda: datetime.datetime.now(), datetime.datetime)
self.assertIsInstance(DateTimeField().get_prep_value(lazy_func()), datetime.datetime)
def test_DecimalField(self):
lazy_func = lazy(lambda: Decimal('1.2'), Decimal)
self.assertIsInstance(DecimalField().get_prep_value(lazy_func()), Decimal)
def test_EmailField(self):
lazy_func = lazy(lambda: 'mailbox@domain.com', six.text_type)
self.assertIsInstance(EmailField().get_prep_value(lazy_func()), six.text_type)
def test_FileField(self):
lazy_func = lazy(lambda: 'filename.ext', six.text_type)
self.assertIsInstance(FileField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(FileField().get_prep_value(lazy_func()), six.text_type)
def test_FilePathField(self):
lazy_func = lazy(lambda: 'tests.py', six.text_type)
self.assertIsInstance(FilePathField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(FilePathField().get_prep_value(lazy_func()), six.text_type)
def test_FloatField(self):
lazy_func = lazy(lambda: 1.2, float)
self.assertIsInstance(FloatField().get_prep_value(lazy_func()), float)
def test_ImageField(self):
lazy_func = lazy(lambda: 'filename.ext', six.text_type)
self.assertIsInstance(ImageField().get_prep_value(lazy_func()), six.text_type)
def test_IntegerField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(IntegerField().get_prep_value(lazy_func()), int)
def test_IPAddressField(self):
lazy_func = lazy(lambda: '127.0.0.1', six.text_type)
self.assertIsInstance(IPAddressField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(IPAddressField().get_prep_value(lazy_func()), six.text_type)
def test_GenericIPAddressField(self):
lazy_func = lazy(lambda: '127.0.0.1', six.text_type)
self.assertIsInstance(GenericIPAddressField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(GenericIPAddressField().get_prep_value(lazy_func()), six.text_type)
def test_NullBooleanField(self):
lazy_func = lazy(lambda: True, bool)
self.assertIsInstance(NullBooleanField().get_prep_value(lazy_func()), bool)
def test_PositiveIntegerField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(PositiveIntegerField().get_prep_value(lazy_func()), int)
def test_PositiveSmallIntegerField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(PositiveSmallIntegerField().get_prep_value(lazy_func()), int)
def test_SlugField(self):
lazy_func = lazy(lambda: 'slug', six.text_type)
self.assertIsInstance(SlugField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(SlugField().get_prep_value(lazy_func()), six.text_type)
def test_SmallIntegerField(self):
lazy_func = lazy(lambda: 1, int)
self.assertIsInstance(SmallIntegerField().get_prep_value(lazy_func()), int)
def test_TextField(self):
lazy_func = lazy(lambda: 'Abc', six.text_type)
self.assertIsInstance(TextField().get_prep_value(lazy_func()), six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(TextField().get_prep_value(lazy_func()), six.text_type)
def test_TimeField(self):
lazy_func = lazy(lambda: datetime.datetime.now().time(), datetime.time)
self.assertIsInstance(TimeField().get_prep_value(lazy_func()), datetime.time)
def test_URLField(self):
lazy_func = lazy(lambda: 'http://domain.com', six.text_type)
self.assertIsInstance(URLField().get_prep_value(lazy_func()), six.text_type)