mirror of
https://github.com/django/django.git
synced 2024-12-30 21:16:26 +00:00
98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
from django.db import NotSupportedError
|
|
from django.db.models import F, Value
|
|
from django.db.models.functions import JSONObject, Lower
|
|
from django.test import TestCase
|
|
from django.test.testcases import skipIfDBFeature, skipUnlessDBFeature
|
|
from django.utils import timezone
|
|
|
|
from ..models import Article, Author
|
|
|
|
|
|
@skipUnlessDBFeature("has_json_object_function")
|
|
class JSONObjectTests(TestCase):
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
Author.objects.create(name="Ivan Ivanov", alias="iivanov")
|
|
|
|
def test_empty(self):
|
|
obj = Author.objects.annotate(json_object=JSONObject()).first()
|
|
self.assertEqual(obj.json_object, {})
|
|
|
|
def test_basic(self):
|
|
obj = Author.objects.annotate(json_object=JSONObject(name="name")).first()
|
|
self.assertEqual(obj.json_object, {"name": "Ivan Ivanov"})
|
|
|
|
def test_expressions(self):
|
|
obj = Author.objects.annotate(
|
|
json_object=JSONObject(
|
|
name=Lower("name"),
|
|
alias="alias",
|
|
goes_by="goes_by",
|
|
salary=Value(30000.15),
|
|
age=F("age") * 2,
|
|
)
|
|
).first()
|
|
self.assertEqual(
|
|
obj.json_object,
|
|
{
|
|
"name": "ivan ivanov",
|
|
"alias": "iivanov",
|
|
"goes_by": None,
|
|
"salary": 30000.15,
|
|
"age": 60,
|
|
},
|
|
)
|
|
|
|
def test_nested_json_object(self):
|
|
obj = Author.objects.annotate(
|
|
json_object=JSONObject(
|
|
name="name",
|
|
nested_json_object=JSONObject(
|
|
alias="alias",
|
|
age="age",
|
|
),
|
|
)
|
|
).first()
|
|
self.assertEqual(
|
|
obj.json_object,
|
|
{
|
|
"name": "Ivan Ivanov",
|
|
"nested_json_object": {
|
|
"alias": "iivanov",
|
|
"age": 30,
|
|
},
|
|
},
|
|
)
|
|
|
|
def test_nested_empty_json_object(self):
|
|
obj = Author.objects.annotate(
|
|
json_object=JSONObject(
|
|
name="name",
|
|
nested_json_object=JSONObject(),
|
|
)
|
|
).first()
|
|
self.assertEqual(
|
|
obj.json_object,
|
|
{
|
|
"name": "Ivan Ivanov",
|
|
"nested_json_object": {},
|
|
},
|
|
)
|
|
|
|
def test_textfield(self):
|
|
Article.objects.create(
|
|
title="The Title",
|
|
text="x" * 4000,
|
|
written=timezone.now(),
|
|
)
|
|
obj = Article.objects.annotate(json_object=JSONObject(text=F("text"))).first()
|
|
self.assertEqual(obj.json_object, {"text": "x" * 4000})
|
|
|
|
|
|
@skipIfDBFeature("has_json_object_function")
|
|
class JSONObjectNotSupportedTests(TestCase):
|
|
def test_not_supported(self):
|
|
msg = "JSONObject() is not supported on this database backend."
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
Author.objects.annotate(json_object=JSONObject()).get()
|