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# -*- coding: utf-8 -*-
import six
from django.test import TestCase
from .testapp.models import JSONFieldTestModel
from django_extensions.db.fields.json import (
dumps,
loads,
JSONField,
JSONDict,
JSONList
)
class JsonFieldTest(TestCase):
def test_char_field_create(self):
j = JSONFieldTestModel.objects.create(a=6, j_field=dict(foo='bar'))
self.assertEqual(j.a, 6)
self.assertEqual(j.j_field, {'foo': 'bar'})
def test_char_field_get_or_create(self):
j, created = JSONFieldTestModel.objects.get_or_create(
a=6, j_field=dict(foo='bar'))
self.assertTrue(created)
self.assertEqual(j.a, 6)
self.assertEqual(j.j_field, {'foo': 'bar'})
j, created = JSONFieldTestModel.objects.get_or_create(
a=6, j_field=dict(foo='bar'))
self.assertFalse(created)
self.assertEqual(j.a, 6)
self.assertEqual(j.j_field, {'foo': 'bar'})
def test_default(self):
j = JSONFieldTestModel.objects.create(a=1)
self.assertEqual(j.j_field, {})
def test_default_mutable(self):
j1 = JSONFieldTestModel.objects.create(a=1)
self.assertEqual(j1.j_field, {})
j2 = JSONFieldTestModel.objects.create(a=1)
self.assertEqual(j2.j_field, {})
self.assertIsNot(j1.j_field, j2.j_field)
def test_get_default(self):
j_field = JSONField()
value = j_field.get_default()
self.assertEqual(value, {})
self.assertIsInstance(value, JSONDict)
j_field = JSONField(default={})
value = j_field.get_default()
self.assertEqual(value, {})
self.assertIsInstance(value, JSONDict)
j_field = JSONField(default='{}')
value = j_field.get_default()
self.assertEqual(value, {})
self.assertIsInstance(value, JSONDict)
j_field = JSONField(default=[{}])
value = j_field.get_default()
self.assertEqual(value, [{}])
self.assertIsInstance(value, JSONList)
j_field = JSONField(default='[{}]')
value = j_field.get_default()
self.assertEqual(value, [{}])
self.assertIsInstance(value, JSONList)
j_field = JSONField(default=lambda: '{}')
value = j_field.get_default()
self.assertEqual(value, {})
self.assertIsInstance(value, JSONDict)
def test_empty_list(self):
j = JSONFieldTestModel.objects.create(a=6, j_field=[])
self.assertIsInstance(j.j_field, list)
self.assertEqual(j.j_field, [])
def test_float_values(self):
"""Tests that float values in JSONFields are correctly serialized over
repeated saves. Regression test for c382398b, which fixes floats
being returned as strings after a second save."""
test_instance = JSONFieldTestModel(a=6, j_field={'test': 0.1})
test_instance.save()
test_instance = JSONFieldTestModel.objects.get()
test_instance.save()
test_instance = JSONFieldTestModel.objects.get()
self.assertEqual(test_instance.j_field['test'], 0.1)
def test_get_prep_value(self):
j_field = JSONField()
self.assertEqual(
six.u(dumps([{'a': 'a'}])),
j_field.get_prep_value(value=[{'a': 'a'}])
)
self.assertEqual(
six.u(dumps([{'a': 'a'}])),
j_field.get_prep_value(value='[{"a": "a"}]')
)
def test_get_db_prep_save(self):
j_field = JSONField()
self.assertEqual(
six.u(dumps([{'a': 'a'}])),
j_field.get_db_prep_save(value=[{'a': 'a'}], connection=None)
)
self.assertEqual(
six.u('[{"a": "a"}]'),
j_field.get_db_prep_save(value='[{"a": "a"}]', connection=None)
)
def test_to_python(self):
j_field = JSONField()
self.assertEqual(
loads('1'),
j_field.to_python('1')
)
self.assertEqual(
loads('"1"'),
j_field.to_python('"1"')
)
self.assertEqual(
loads('[{"a": 1}]'),
j_field.to_python('[{"a": 1}]')
)
self.assertEqual(
loads('[{"a": "1"}]'),
j_field.to_python('[{"a": "1"}]')
)
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