mirror of
https://github.com/django/django.git
synced 2024-12-30 13:05:45 +00:00
371 lines
13 KiB
Python
371 lines
13 KiB
Python
import json
|
|
|
|
from django.core import checks, exceptions, serializers
|
|
from django.forms import Form
|
|
from django.test.utils import isolate_apps
|
|
|
|
from . import PostgreSQLSimpleTestCase, PostgreSQLTestCase
|
|
from .models import HStoreModel, PostgreSQLModel
|
|
|
|
try:
|
|
from django.contrib.postgres import forms
|
|
from django.contrib.postgres.fields import HStoreField
|
|
from django.contrib.postgres.validators import KeysValidator
|
|
except ImportError:
|
|
pass
|
|
|
|
|
|
class SimpleTests(PostgreSQLTestCase):
|
|
def test_save_load_success(self):
|
|
value = {'a': 'b'}
|
|
instance = HStoreModel(field=value)
|
|
instance.save()
|
|
reloaded = HStoreModel.objects.get()
|
|
self.assertEqual(reloaded.field, value)
|
|
|
|
def test_null(self):
|
|
instance = HStoreModel(field=None)
|
|
instance.save()
|
|
reloaded = HStoreModel.objects.get()
|
|
self.assertIsNone(reloaded.field)
|
|
|
|
def test_value_null(self):
|
|
value = {'a': None}
|
|
instance = HStoreModel(field=value)
|
|
instance.save()
|
|
reloaded = HStoreModel.objects.get()
|
|
self.assertEqual(reloaded.field, value)
|
|
|
|
def test_key_val_cast_to_string(self):
|
|
value = {'a': 1, 'b': 'B', 2: 'c', 'ï': 'ê'}
|
|
expected_value = {'a': '1', 'b': 'B', '2': 'c', 'ï': 'ê'}
|
|
|
|
instance = HStoreModel.objects.create(field=value)
|
|
instance = HStoreModel.objects.get()
|
|
self.assertEqual(instance.field, expected_value)
|
|
|
|
instance = HStoreModel.objects.get(field__a=1)
|
|
self.assertEqual(instance.field, expected_value)
|
|
|
|
instance = HStoreModel.objects.get(field__has_keys=[2, 'a', 'ï'])
|
|
self.assertEqual(instance.field, expected_value)
|
|
|
|
def test_array_field(self):
|
|
value = [
|
|
{'a': 1, 'b': 'B', 2: 'c', 'ï': 'ê'},
|
|
{'a': 1, 'b': 'B', 2: 'c', 'ï': 'ê'},
|
|
]
|
|
expected_value = [
|
|
{'a': '1', 'b': 'B', '2': 'c', 'ï': 'ê'},
|
|
{'a': '1', 'b': 'B', '2': 'c', 'ï': 'ê'},
|
|
]
|
|
instance = HStoreModel.objects.create(array_field=value)
|
|
instance.refresh_from_db()
|
|
self.assertEqual(instance.array_field, expected_value)
|
|
|
|
|
|
class TestQuerying(PostgreSQLTestCase):
|
|
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.objs = HStoreModel.objects.bulk_create([
|
|
HStoreModel(field={'a': 'b'}),
|
|
HStoreModel(field={'a': 'b', 'c': 'd'}),
|
|
HStoreModel(field={'c': 'd'}),
|
|
HStoreModel(field={}),
|
|
HStoreModel(field=None),
|
|
])
|
|
|
|
def test_exact(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__exact={'a': 'b'}),
|
|
self.objs[:1]
|
|
)
|
|
|
|
def test_contained_by(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__contained_by={'a': 'b', 'c': 'd'}),
|
|
self.objs[:4]
|
|
)
|
|
|
|
def test_contains(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__contains={'a': 'b'}),
|
|
self.objs[:2]
|
|
)
|
|
|
|
def test_in_generator(self):
|
|
def search():
|
|
yield {'a': 'b'}
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__in=search()),
|
|
self.objs[:1]
|
|
)
|
|
|
|
def test_has_key(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__has_key='c'),
|
|
self.objs[1:3]
|
|
)
|
|
|
|
def test_has_keys(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__has_keys=['a', 'c']),
|
|
self.objs[1:2]
|
|
)
|
|
|
|
def test_has_any_keys(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__has_any_keys=['a', 'c']),
|
|
self.objs[:3]
|
|
)
|
|
|
|
def test_key_transform(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__a='b'),
|
|
self.objs[:2]
|
|
)
|
|
|
|
def test_keys(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__keys=['a']),
|
|
self.objs[:1]
|
|
)
|
|
|
|
def test_values(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__values=['b']),
|
|
self.objs[:1]
|
|
)
|
|
|
|
def test_field_chaining(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__a__contains='b'),
|
|
self.objs[:2]
|
|
)
|
|
|
|
def test_order_by_field(self):
|
|
more_objs = (
|
|
HStoreModel.objects.create(field={'g': '637'}),
|
|
HStoreModel.objects.create(field={'g': '002'}),
|
|
HStoreModel.objects.create(field={'g': '042'}),
|
|
HStoreModel.objects.create(field={'g': '981'}),
|
|
)
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__has_key='g').order_by('field__g'),
|
|
[more_objs[1], more_objs[2], more_objs[0], more_objs[3]]
|
|
)
|
|
|
|
def test_keys_contains(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__keys__contains=['a']),
|
|
self.objs[:2]
|
|
)
|
|
|
|
def test_values_overlap(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__values__overlap=['b', 'd']),
|
|
self.objs[:3]
|
|
)
|
|
|
|
def test_key_isnull(self):
|
|
obj = HStoreModel.objects.create(field={'a': None})
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__a__isnull=True),
|
|
self.objs[2:5] + [obj]
|
|
)
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(field__a__isnull=False),
|
|
self.objs[:2]
|
|
)
|
|
|
|
def test_usage_in_subquery(self):
|
|
self.assertSequenceEqual(
|
|
HStoreModel.objects.filter(id__in=HStoreModel.objects.filter(field__a='b')),
|
|
self.objs[:2]
|
|
)
|
|
|
|
|
|
@isolate_apps('postgres_tests')
|
|
class TestChecks(PostgreSQLSimpleTestCase):
|
|
|
|
def test_invalid_default(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = HStoreField(default={})
|
|
|
|
model = MyModel()
|
|
self.assertEqual(model.check(), [
|
|
checks.Warning(
|
|
msg=(
|
|
"HStoreField default should be a callable instead of an "
|
|
"instance so that it's not shared between all field "
|
|
"instances."
|
|
),
|
|
hint='Use a callable instead, e.g., use `dict` instead of `{}`.',
|
|
obj=MyModel._meta.get_field('field'),
|
|
id='postgres.E003',
|
|
)
|
|
])
|
|
|
|
def test_valid_default(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = HStoreField(default=dict)
|
|
|
|
self.assertEqual(MyModel().check(), [])
|
|
|
|
|
|
class TestSerialization(PostgreSQLSimpleTestCase):
|
|
test_data = json.dumps([{
|
|
'model': 'postgres_tests.hstoremodel',
|
|
'pk': None,
|
|
'fields': {
|
|
'field': json.dumps({'a': 'b'}),
|
|
'array_field': json.dumps([
|
|
json.dumps({'a': 'b'}),
|
|
json.dumps({'b': 'a'}),
|
|
]),
|
|
},
|
|
}])
|
|
|
|
def test_dumping(self):
|
|
instance = HStoreModel(field={'a': 'b'}, array_field=[{'a': 'b'}, {'b': 'a'}])
|
|
data = serializers.serialize('json', [instance])
|
|
self.assertEqual(json.loads(data), json.loads(self.test_data))
|
|
|
|
def test_loading(self):
|
|
instance = list(serializers.deserialize('json', self.test_data))[0].object
|
|
self.assertEqual(instance.field, {'a': 'b'})
|
|
self.assertEqual(instance.array_field, [{'a': 'b'}, {'b': 'a'}])
|
|
|
|
def test_roundtrip_with_null(self):
|
|
instance = HStoreModel(field={'a': 'b', 'c': None})
|
|
data = serializers.serialize('json', [instance])
|
|
new_instance = list(serializers.deserialize('json', data))[0].object
|
|
self.assertEqual(instance.field, new_instance.field)
|
|
|
|
|
|
class TestValidation(PostgreSQLSimpleTestCase):
|
|
|
|
def test_not_a_string(self):
|
|
field = HStoreField()
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean({'a': 1}, None)
|
|
self.assertEqual(cm.exception.code, 'not_a_string')
|
|
self.assertEqual(cm.exception.message % cm.exception.params, 'The value of "a" is not a string or null.')
|
|
|
|
def test_none_allowed_as_value(self):
|
|
field = HStoreField()
|
|
self.assertEqual(field.clean({'a': None}, None), {'a': None})
|
|
|
|
|
|
class TestFormField(PostgreSQLSimpleTestCase):
|
|
|
|
def test_valid(self):
|
|
field = forms.HStoreField()
|
|
value = field.clean('{"a": "b"}')
|
|
self.assertEqual(value, {'a': 'b'})
|
|
|
|
def test_invalid_json(self):
|
|
field = forms.HStoreField()
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('{"a": "b"')
|
|
self.assertEqual(cm.exception.messages[0], 'Could not load JSON data.')
|
|
self.assertEqual(cm.exception.code, 'invalid_json')
|
|
|
|
def test_non_dict_json(self):
|
|
field = forms.HStoreField()
|
|
msg = 'Input must be a JSON dictionary.'
|
|
with self.assertRaisesMessage(exceptions.ValidationError, msg) as cm:
|
|
field.clean('["a", "b", 1]')
|
|
self.assertEqual(cm.exception.code, 'invalid_format')
|
|
|
|
def test_not_string_values(self):
|
|
field = forms.HStoreField()
|
|
value = field.clean('{"a": 1}')
|
|
self.assertEqual(value, {'a': '1'})
|
|
|
|
def test_none_value(self):
|
|
field = forms.HStoreField()
|
|
value = field.clean('{"a": null}')
|
|
self.assertEqual(value, {'a': None})
|
|
|
|
def test_empty(self):
|
|
field = forms.HStoreField(required=False)
|
|
value = field.clean('')
|
|
self.assertEqual(value, {})
|
|
|
|
def test_model_field_formfield(self):
|
|
model_field = HStoreField()
|
|
form_field = model_field.formfield()
|
|
self.assertIsInstance(form_field, forms.HStoreField)
|
|
|
|
def test_field_has_changed(self):
|
|
class HStoreFormTest(Form):
|
|
f1 = forms.HStoreField()
|
|
form_w_hstore = HStoreFormTest()
|
|
self.assertFalse(form_w_hstore.has_changed())
|
|
|
|
form_w_hstore = HStoreFormTest({'f1': '{"a": 1}'})
|
|
self.assertTrue(form_w_hstore.has_changed())
|
|
|
|
form_w_hstore = HStoreFormTest({'f1': '{"a": 1}'}, initial={'f1': '{"a": 1}'})
|
|
self.assertFalse(form_w_hstore.has_changed())
|
|
|
|
form_w_hstore = HStoreFormTest({'f1': '{"a": 2}'}, initial={'f1': '{"a": 1}'})
|
|
self.assertTrue(form_w_hstore.has_changed())
|
|
|
|
form_w_hstore = HStoreFormTest({'f1': '{"a": 1}'}, initial={'f1': {"a": 1}})
|
|
self.assertFalse(form_w_hstore.has_changed())
|
|
|
|
form_w_hstore = HStoreFormTest({'f1': '{"a": 2}'}, initial={'f1': {"a": 1}})
|
|
self.assertTrue(form_w_hstore.has_changed())
|
|
|
|
|
|
class TestValidator(PostgreSQLSimpleTestCase):
|
|
|
|
def test_simple_valid(self):
|
|
validator = KeysValidator(keys=['a', 'b'])
|
|
validator({'a': 'foo', 'b': 'bar', 'c': 'baz'})
|
|
|
|
def test_missing_keys(self):
|
|
validator = KeysValidator(keys=['a', 'b'])
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
validator({'a': 'foo', 'c': 'baz'})
|
|
self.assertEqual(cm.exception.messages[0], 'Some keys were missing: b')
|
|
self.assertEqual(cm.exception.code, 'missing_keys')
|
|
|
|
def test_strict_valid(self):
|
|
validator = KeysValidator(keys=['a', 'b'], strict=True)
|
|
validator({'a': 'foo', 'b': 'bar'})
|
|
|
|
def test_extra_keys(self):
|
|
validator = KeysValidator(keys=['a', 'b'], strict=True)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
validator({'a': 'foo', 'b': 'bar', 'c': 'baz'})
|
|
self.assertEqual(cm.exception.messages[0], 'Some unknown keys were provided: c')
|
|
self.assertEqual(cm.exception.code, 'extra_keys')
|
|
|
|
def test_custom_messages(self):
|
|
messages = {
|
|
'missing_keys': 'Foobar',
|
|
}
|
|
validator = KeysValidator(keys=['a', 'b'], strict=True, messages=messages)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
validator({'a': 'foo', 'c': 'baz'})
|
|
self.assertEqual(cm.exception.messages[0], 'Foobar')
|
|
self.assertEqual(cm.exception.code, 'missing_keys')
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
validator({'a': 'foo', 'b': 'bar', 'c': 'baz'})
|
|
self.assertEqual(cm.exception.messages[0], 'Some unknown keys were provided: c')
|
|
self.assertEqual(cm.exception.code, 'extra_keys')
|
|
|
|
def test_deconstruct(self):
|
|
messages = {
|
|
'missing_keys': 'Foobar',
|
|
}
|
|
validator = KeysValidator(keys=['a', 'b'], strict=True, messages=messages)
|
|
path, args, kwargs = validator.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.validators.KeysValidator')
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(kwargs, {'keys': ['a', 'b'], 'strict': True, 'messages': messages})
|