1199 lines
45 KiB
Python
1199 lines
45 KiB
Python
import decimal
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import enum
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import json
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import unittest
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import uuid
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from django import forms
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from django.core import checks, exceptions, serializers, validators
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from django.core.exceptions import FieldError
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from django.core.management import call_command
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from django.db import IntegrityError, connection, models
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from django.db.models.expressions import Exists, OuterRef, RawSQL, Value
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from django.db.models.functions import Cast, Upper
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from django.test import TransactionTestCase, modify_settings, override_settings
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from django.test.utils import isolate_apps
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from django.utils import timezone
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from . import (
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PostgreSQLSimpleTestCase, PostgreSQLTestCase, PostgreSQLWidgetTestCase,
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)
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from .models import (
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ArrayEnumModel, ArrayFieldSubclass, CharArrayModel, DateTimeArrayModel,
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IntegerArrayModel, NestedIntegerArrayModel, NullableIntegerArrayModel,
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OtherTypesArrayModel, PostgreSQLModel, Tag,
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)
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try:
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from psycopg2.extras import NumericRange
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from django.contrib.postgres.aggregates import ArrayAgg
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from django.contrib.postgres.fields import ArrayField
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from django.contrib.postgres.fields.array import (
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IndexTransform, SliceTransform,
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)
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from django.contrib.postgres.forms import (
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SimpleArrayField, SplitArrayField, SplitArrayWidget,
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)
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from django.db.backends.postgresql.base import PSYCOPG2_VERSION
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except ImportError:
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pass
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@isolate_apps('postgres_tests')
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class BasicTests(PostgreSQLSimpleTestCase):
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def test_get_field_display(self):
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class MyModel(PostgreSQLModel):
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field = ArrayField(
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models.CharField(max_length=16),
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choices=[
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['Media', [(['vinyl', 'cd'], 'Audio')]],
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(('mp3', 'mp4'), 'Digital'),
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],
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)
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tests = (
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(['vinyl', 'cd'], 'Audio'),
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(('mp3', 'mp4'), 'Digital'),
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(('a', 'b'), "('a', 'b')"),
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(['c', 'd'], "['c', 'd']"),
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)
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for value, display in tests:
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with self.subTest(value=value, display=display):
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instance = MyModel(field=value)
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self.assertEqual(instance.get_field_display(), display)
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def test_get_field_display_nested_array(self):
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class MyModel(PostgreSQLModel):
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field = ArrayField(
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ArrayField(models.CharField(max_length=16)),
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choices=[
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[
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'Media',
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[([['vinyl', 'cd'], ('x',)], 'Audio')],
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],
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((['mp3'], ('mp4',)), 'Digital'),
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],
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)
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tests = (
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([['vinyl', 'cd'], ('x',)], 'Audio'),
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((['mp3'], ('mp4',)), 'Digital'),
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((('a', 'b'), ('c',)), "(('a', 'b'), ('c',))"),
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([['a', 'b'], ['c']], "[['a', 'b'], ['c']]"),
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)
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for value, display in tests:
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with self.subTest(value=value, display=display):
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instance = MyModel(field=value)
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self.assertEqual(instance.get_field_display(), display)
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class TestSaveLoad(PostgreSQLTestCase):
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def test_integer(self):
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instance = IntegerArrayModel(field=[1, 2, 3])
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instance.save()
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loaded = IntegerArrayModel.objects.get()
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self.assertEqual(instance.field, loaded.field)
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def test_char(self):
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instance = CharArrayModel(field=['hello', 'goodbye'])
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instance.save()
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loaded = CharArrayModel.objects.get()
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self.assertEqual(instance.field, loaded.field)
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def test_dates(self):
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instance = DateTimeArrayModel(
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datetimes=[timezone.now()],
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dates=[timezone.now().date()],
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times=[timezone.now().time()],
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)
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instance.save()
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loaded = DateTimeArrayModel.objects.get()
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self.assertEqual(instance.datetimes, loaded.datetimes)
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self.assertEqual(instance.dates, loaded.dates)
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self.assertEqual(instance.times, loaded.times)
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def test_tuples(self):
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instance = IntegerArrayModel(field=(1,))
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instance.save()
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loaded = IntegerArrayModel.objects.get()
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self.assertSequenceEqual(instance.field, loaded.field)
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def test_integers_passed_as_strings(self):
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# This checks that get_prep_value is deferred properly
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instance = IntegerArrayModel(field=['1'])
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instance.save()
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loaded = IntegerArrayModel.objects.get()
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self.assertEqual(loaded.field, [1])
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def test_default_null(self):
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instance = NullableIntegerArrayModel()
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instance.save()
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loaded = NullableIntegerArrayModel.objects.get(pk=instance.pk)
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self.assertIsNone(loaded.field)
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self.assertEqual(instance.field, loaded.field)
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def test_null_handling(self):
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instance = NullableIntegerArrayModel(field=None)
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instance.save()
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loaded = NullableIntegerArrayModel.objects.get()
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self.assertEqual(instance.field, loaded.field)
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instance = IntegerArrayModel(field=None)
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with self.assertRaises(IntegrityError):
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instance.save()
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def test_nested(self):
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instance = NestedIntegerArrayModel(field=[[1, 2], [3, 4]])
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instance.save()
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loaded = NestedIntegerArrayModel.objects.get()
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self.assertEqual(instance.field, loaded.field)
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def test_other_array_types(self):
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instance = OtherTypesArrayModel(
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ips=['192.168.0.1', '::1'],
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uuids=[uuid.uuid4()],
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decimals=[decimal.Decimal(1.25), 1.75],
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tags=[Tag(1), Tag(2), Tag(3)],
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json=[{'a': 1}, {'b': 2}],
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int_ranges=[NumericRange(10, 20), NumericRange(30, 40)],
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bigint_ranges=[
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NumericRange(7000000000, 10000000000),
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NumericRange(50000000000, 70000000000),
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]
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)
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instance.save()
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loaded = OtherTypesArrayModel.objects.get()
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self.assertEqual(instance.ips, loaded.ips)
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self.assertEqual(instance.uuids, loaded.uuids)
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self.assertEqual(instance.decimals, loaded.decimals)
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self.assertEqual(instance.tags, loaded.tags)
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self.assertEqual(instance.json, loaded.json)
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self.assertEqual(instance.int_ranges, loaded.int_ranges)
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self.assertEqual(instance.bigint_ranges, loaded.bigint_ranges)
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def test_null_from_db_value_handling(self):
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instance = OtherTypesArrayModel.objects.create(
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ips=['192.168.0.1', '::1'],
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uuids=[uuid.uuid4()],
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decimals=[decimal.Decimal(1.25), 1.75],
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tags=None,
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)
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instance.refresh_from_db()
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self.assertIsNone(instance.tags)
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self.assertEqual(instance.json, [])
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self.assertIsNone(instance.int_ranges)
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self.assertIsNone(instance.bigint_ranges)
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def test_model_set_on_base_field(self):
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instance = IntegerArrayModel()
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field = instance._meta.get_field('field')
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self.assertEqual(field.model, IntegerArrayModel)
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self.assertEqual(field.base_field.model, IntegerArrayModel)
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def test_nested_nullable_base_field(self):
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if PSYCOPG2_VERSION < (2, 7, 5):
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self.skipTest('See https://github.com/psycopg/psycopg2/issues/325')
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instance = NullableIntegerArrayModel.objects.create(
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field_nested=[[None, None], [None, None]],
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)
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self.assertEqual(instance.field_nested, [[None, None], [None, None]])
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class TestQuerying(PostgreSQLTestCase):
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@classmethod
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def setUpTestData(cls):
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cls.objs = NullableIntegerArrayModel.objects.bulk_create([
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NullableIntegerArrayModel(order=1, field=[1]),
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NullableIntegerArrayModel(order=2, field=[2]),
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NullableIntegerArrayModel(order=3, field=[2, 3]),
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NullableIntegerArrayModel(order=4, field=[20, 30, 40]),
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NullableIntegerArrayModel(order=5, field=None),
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])
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def test_empty_list(self):
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NullableIntegerArrayModel.objects.create(field=[])
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obj = NullableIntegerArrayModel.objects.annotate(
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empty_array=models.Value([], output_field=ArrayField(models.IntegerField())),
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).filter(field=models.F('empty_array')).get()
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self.assertEqual(obj.field, [])
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self.assertEqual(obj.empty_array, [])
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def test_exact(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__exact=[1]),
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self.objs[:1]
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)
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def test_exact_with_expression(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__exact=[Value(1)]),
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self.objs[:1],
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)
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def test_exact_charfield(self):
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instance = CharArrayModel.objects.create(field=['text'])
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self.assertSequenceEqual(
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CharArrayModel.objects.filter(field=['text']),
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[instance]
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)
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def test_exact_nested(self):
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instance = NestedIntegerArrayModel.objects.create(field=[[1, 2], [3, 4]])
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self.assertSequenceEqual(
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NestedIntegerArrayModel.objects.filter(field=[[1, 2], [3, 4]]),
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[instance]
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)
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def test_isnull(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__isnull=True),
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self.objs[-1:]
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)
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def test_gt(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__gt=[0]),
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self.objs[:4]
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)
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def test_lt(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__lt=[2]),
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self.objs[:1]
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)
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def test_in(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__in=[[1], [2]]),
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self.objs[:2]
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)
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def test_in_subquery(self):
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IntegerArrayModel.objects.create(field=[2, 3])
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(
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field__in=IntegerArrayModel.objects.all().values_list('field', flat=True)
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),
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self.objs[2:3]
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)
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@unittest.expectedFailure
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def test_in_including_F_object(self):
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# This test asserts that Array objects passed to filters can be
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# constructed to contain F objects. This currently doesn't work as the
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# psycopg2 mogrify method that generates the ARRAY() syntax is
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# expecting literals, not column references (#27095).
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__in=[[models.F('id')]]),
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self.objs[:2]
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)
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def test_in_as_F_object(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__in=[models.F('field')]),
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self.objs[:4]
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)
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def test_contained_by(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__contained_by=[1, 2]),
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self.objs[:2]
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)
|
|
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def test_contained_by_including_F_object(self):
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self.assertSequenceEqual(
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NullableIntegerArrayModel.objects.filter(field__contained_by=[models.F('order'), 2]),
|
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self.objs[:3],
|
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)
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|
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def test_contains(self):
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self.assertSequenceEqual(
|
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NullableIntegerArrayModel.objects.filter(field__contains=[2]),
|
|
self.objs[1:3]
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|
)
|
|
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|
def test_contains_subquery(self):
|
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IntegerArrayModel.objects.create(field=[2, 3])
|
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inner_qs = IntegerArrayModel.objects.values_list('field', flat=True)
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self.assertSequenceEqual(
|
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NullableIntegerArrayModel.objects.filter(field__contains=inner_qs[:1]),
|
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self.objs[2:3],
|
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)
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inner_qs = IntegerArrayModel.objects.filter(field__contains=OuterRef('field'))
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self.assertSequenceEqual(
|
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NullableIntegerArrayModel.objects.filter(Exists(inner_qs)),
|
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self.objs[1:3],
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)
|
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def test_contains_including_expression(self):
|
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self.assertSequenceEqual(
|
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NullableIntegerArrayModel.objects.filter(
|
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field__contains=[2, Value(6) / Value(2)],
|
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),
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self.objs[2:3],
|
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)
|
|
|
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def test_icontains(self):
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# Using the __icontains lookup with ArrayField is inefficient.
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instance = CharArrayModel.objects.create(field=['FoO'])
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self.assertSequenceEqual(
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CharArrayModel.objects.filter(field__icontains='foo'),
|
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[instance]
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)
|
|
|
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def test_contains_charfield(self):
|
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# Regression for #22907
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self.assertSequenceEqual(
|
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CharArrayModel.objects.filter(field__contains=['text']),
|
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[]
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|
)
|
|
|
|
def test_contained_by_charfield(self):
|
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self.assertSequenceEqual(
|
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CharArrayModel.objects.filter(field__contained_by=['text']),
|
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[]
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)
|
|
|
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def test_overlap_charfield(self):
|
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self.assertSequenceEqual(
|
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CharArrayModel.objects.filter(field__overlap=['text']),
|
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[]
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)
|
|
|
|
def test_overlap_charfield_including_expression(self):
|
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obj_1 = CharArrayModel.objects.create(field=['TEXT', 'lower text'])
|
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obj_2 = CharArrayModel.objects.create(field=['lower text', 'TEXT'])
|
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CharArrayModel.objects.create(field=['lower text', 'text'])
|
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self.assertSequenceEqual(
|
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CharArrayModel.objects.filter(field__overlap=[
|
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Upper(Value('text')),
|
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'other',
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]),
|
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[obj_1, obj_2],
|
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)
|
|
|
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def test_lookups_autofield_array(self):
|
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qs = NullableIntegerArrayModel.objects.filter(
|
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field__0__isnull=False,
|
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).values('field__0').annotate(
|
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arrayagg=ArrayAgg('id'),
|
|
).order_by('field__0')
|
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tests = (
|
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('contained_by', [self.objs[1].pk, self.objs[2].pk, 0], [2]),
|
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('contains', [self.objs[2].pk], [2]),
|
|
('exact', [self.objs[3].pk], [20]),
|
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('overlap', [self.objs[1].pk, self.objs[3].pk], [2, 20]),
|
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)
|
|
for lookup, value, expected in tests:
|
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with self.subTest(lookup=lookup):
|
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self.assertSequenceEqual(
|
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qs.filter(
|
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**{'arrayagg__' + lookup: value},
|
|
).values_list('field__0', flat=True),
|
|
expected,
|
|
)
|
|
|
|
def test_index(self):
|
|
self.assertSequenceEqual(
|
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NullableIntegerArrayModel.objects.filter(field__0=2),
|
|
self.objs[1:3]
|
|
)
|
|
|
|
def test_index_chained(self):
|
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self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__0__lt=3),
|
|
self.objs[0:3]
|
|
)
|
|
|
|
def test_index_nested(self):
|
|
instance = NestedIntegerArrayModel.objects.create(field=[[1, 2], [3, 4]])
|
|
self.assertSequenceEqual(
|
|
NestedIntegerArrayModel.objects.filter(field__0__0=1),
|
|
[instance]
|
|
)
|
|
|
|
@unittest.expectedFailure
|
|
def test_index_used_on_nested_data(self):
|
|
instance = NestedIntegerArrayModel.objects.create(field=[[1, 2], [3, 4]])
|
|
self.assertSequenceEqual(
|
|
NestedIntegerArrayModel.objects.filter(field__0=[1, 2]),
|
|
[instance]
|
|
)
|
|
|
|
def test_index_transform_expression(self):
|
|
expr = RawSQL("string_to_array(%s, ';')", ['1;2'])
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(
|
|
field__0=Cast(
|
|
IndexTransform(1, models.IntegerField, expr),
|
|
output_field=models.IntegerField(),
|
|
),
|
|
),
|
|
self.objs[:1],
|
|
)
|
|
|
|
def test_index_annotation(self):
|
|
qs = NullableIntegerArrayModel.objects.annotate(second=models.F('field__1'))
|
|
self.assertCountEqual(
|
|
qs.values_list('second', flat=True),
|
|
[None, None, None, 3, 30],
|
|
)
|
|
|
|
def test_overlap(self):
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__overlap=[1, 2]),
|
|
self.objs[0:3]
|
|
)
|
|
|
|
def test_len(self):
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__len__lte=2),
|
|
self.objs[0:3]
|
|
)
|
|
|
|
def test_len_empty_array(self):
|
|
obj = NullableIntegerArrayModel.objects.create(field=[])
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__len=0),
|
|
[obj]
|
|
)
|
|
|
|
def test_slice(self):
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__0_1=[2]),
|
|
self.objs[1:3]
|
|
)
|
|
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__0_2=[2, 3]),
|
|
self.objs[2:3]
|
|
)
|
|
|
|
def test_order_by_slice(self):
|
|
more_objs = (
|
|
NullableIntegerArrayModel.objects.create(field=[1, 637]),
|
|
NullableIntegerArrayModel.objects.create(field=[2, 1]),
|
|
NullableIntegerArrayModel.objects.create(field=[3, -98123]),
|
|
NullableIntegerArrayModel.objects.create(field=[4, 2]),
|
|
)
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.order_by('field__1'),
|
|
[
|
|
more_objs[2], more_objs[1], more_objs[3], self.objs[2],
|
|
self.objs[3], more_objs[0], self.objs[4], self.objs[1],
|
|
self.objs[0],
|
|
]
|
|
)
|
|
|
|
@unittest.expectedFailure
|
|
def test_slice_nested(self):
|
|
instance = NestedIntegerArrayModel.objects.create(field=[[1, 2], [3, 4]])
|
|
self.assertSequenceEqual(
|
|
NestedIntegerArrayModel.objects.filter(field__0__0_1=[1]),
|
|
[instance]
|
|
)
|
|
|
|
def test_slice_transform_expression(self):
|
|
expr = RawSQL("string_to_array(%s, ';')", ['9;2;3'])
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(field__0_2=SliceTransform(2, 3, expr)),
|
|
self.objs[2:3],
|
|
)
|
|
|
|
def test_slice_annotation(self):
|
|
qs = NullableIntegerArrayModel.objects.annotate(
|
|
first_two=models.F('field__0_2'),
|
|
)
|
|
self.assertCountEqual(
|
|
qs.values_list('first_two', flat=True),
|
|
[None, [1], [2], [2, 3], [20, 30]],
|
|
)
|
|
|
|
def test_usage_in_subquery(self):
|
|
self.assertSequenceEqual(
|
|
NullableIntegerArrayModel.objects.filter(
|
|
id__in=NullableIntegerArrayModel.objects.filter(field__len=3)
|
|
),
|
|
[self.objs[3]]
|
|
)
|
|
|
|
def test_enum_lookup(self):
|
|
class TestEnum(enum.Enum):
|
|
VALUE_1 = 'value_1'
|
|
|
|
instance = ArrayEnumModel.objects.create(array_of_enums=[TestEnum.VALUE_1])
|
|
self.assertSequenceEqual(
|
|
ArrayEnumModel.objects.filter(array_of_enums__contains=[TestEnum.VALUE_1]),
|
|
[instance]
|
|
)
|
|
|
|
def test_unsupported_lookup(self):
|
|
msg = "Unsupported lookup '0_bar' for ArrayField or join on the field not permitted."
|
|
with self.assertRaisesMessage(FieldError, msg):
|
|
list(NullableIntegerArrayModel.objects.filter(field__0_bar=[2]))
|
|
|
|
msg = "Unsupported lookup '0bar' for ArrayField or join on the field not permitted."
|
|
with self.assertRaisesMessage(FieldError, msg):
|
|
list(NullableIntegerArrayModel.objects.filter(field__0bar=[2]))
|
|
|
|
def test_grouping_by_annotations_with_array_field_param(self):
|
|
value = models.Value([1], output_field=ArrayField(models.IntegerField()))
|
|
self.assertEqual(
|
|
NullableIntegerArrayModel.objects.annotate(
|
|
array_length=models.Func(
|
|
value, 1, function='ARRAY_LENGTH', output_field=models.IntegerField(),
|
|
),
|
|
).values('array_length').annotate(
|
|
count=models.Count('pk'),
|
|
).get()['array_length'],
|
|
1,
|
|
)
|
|
|
|
|
|
class TestDateTimeExactQuerying(PostgreSQLTestCase):
|
|
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
now = timezone.now()
|
|
cls.datetimes = [now]
|
|
cls.dates = [now.date()]
|
|
cls.times = [now.time()]
|
|
cls.objs = [
|
|
DateTimeArrayModel.objects.create(datetimes=cls.datetimes, dates=cls.dates, times=cls.times),
|
|
]
|
|
|
|
def test_exact_datetimes(self):
|
|
self.assertSequenceEqual(
|
|
DateTimeArrayModel.objects.filter(datetimes=self.datetimes),
|
|
self.objs
|
|
)
|
|
|
|
def test_exact_dates(self):
|
|
self.assertSequenceEqual(
|
|
DateTimeArrayModel.objects.filter(dates=self.dates),
|
|
self.objs
|
|
)
|
|
|
|
def test_exact_times(self):
|
|
self.assertSequenceEqual(
|
|
DateTimeArrayModel.objects.filter(times=self.times),
|
|
self.objs
|
|
)
|
|
|
|
|
|
class TestOtherTypesExactQuerying(PostgreSQLTestCase):
|
|
|
|
@classmethod
|
|
def setUpTestData(cls):
|
|
cls.ips = ['192.168.0.1', '::1']
|
|
cls.uuids = [uuid.uuid4()]
|
|
cls.decimals = [decimal.Decimal(1.25), 1.75]
|
|
cls.tags = [Tag(1), Tag(2), Tag(3)]
|
|
cls.objs = [
|
|
OtherTypesArrayModel.objects.create(
|
|
ips=cls.ips,
|
|
uuids=cls.uuids,
|
|
decimals=cls.decimals,
|
|
tags=cls.tags,
|
|
)
|
|
]
|
|
|
|
def test_exact_ip_addresses(self):
|
|
self.assertSequenceEqual(
|
|
OtherTypesArrayModel.objects.filter(ips=self.ips),
|
|
self.objs
|
|
)
|
|
|
|
def test_exact_uuids(self):
|
|
self.assertSequenceEqual(
|
|
OtherTypesArrayModel.objects.filter(uuids=self.uuids),
|
|
self.objs
|
|
)
|
|
|
|
def test_exact_decimals(self):
|
|
self.assertSequenceEqual(
|
|
OtherTypesArrayModel.objects.filter(decimals=self.decimals),
|
|
self.objs
|
|
)
|
|
|
|
def test_exact_tags(self):
|
|
self.assertSequenceEqual(
|
|
OtherTypesArrayModel.objects.filter(tags=self.tags),
|
|
self.objs
|
|
)
|
|
|
|
|
|
@isolate_apps('postgres_tests')
|
|
class TestChecks(PostgreSQLSimpleTestCase):
|
|
|
|
def test_field_checks(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(models.CharField())
|
|
|
|
model = MyModel()
|
|
errors = model.check()
|
|
self.assertEqual(len(errors), 1)
|
|
# The inner CharField is missing a max_length.
|
|
self.assertEqual(errors[0].id, 'postgres.E001')
|
|
self.assertIn('max_length', errors[0].msg)
|
|
|
|
def test_invalid_base_fields(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(models.ManyToManyField('postgres_tests.IntegerArrayModel'))
|
|
|
|
model = MyModel()
|
|
errors = model.check()
|
|
self.assertEqual(len(errors), 1)
|
|
self.assertEqual(errors[0].id, 'postgres.E002')
|
|
|
|
def test_invalid_default(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(models.IntegerField(), default=[])
|
|
|
|
model = MyModel()
|
|
self.assertEqual(model.check(), [
|
|
checks.Warning(
|
|
msg=(
|
|
"ArrayField 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 `list` instead of `[]`.',
|
|
obj=MyModel._meta.get_field('field'),
|
|
id='fields.E010',
|
|
)
|
|
])
|
|
|
|
def test_valid_default(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(models.IntegerField(), default=list)
|
|
|
|
model = MyModel()
|
|
self.assertEqual(model.check(), [])
|
|
|
|
def test_valid_default_none(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(models.IntegerField(), default=None)
|
|
|
|
model = MyModel()
|
|
self.assertEqual(model.check(), [])
|
|
|
|
def test_nested_field_checks(self):
|
|
"""
|
|
Nested ArrayFields are permitted.
|
|
"""
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(ArrayField(models.CharField()))
|
|
|
|
model = MyModel()
|
|
errors = model.check()
|
|
self.assertEqual(len(errors), 1)
|
|
# The inner CharField is missing a max_length.
|
|
self.assertEqual(errors[0].id, 'postgres.E001')
|
|
self.assertIn('max_length', errors[0].msg)
|
|
|
|
def test_choices_tuple_list(self):
|
|
class MyModel(PostgreSQLModel):
|
|
field = ArrayField(
|
|
models.CharField(max_length=16),
|
|
choices=[
|
|
[
|
|
'Media',
|
|
[(['vinyl', 'cd'], 'Audio'), (('vhs', 'dvd'), 'Video')],
|
|
],
|
|
(['mp3', 'mp4'], 'Digital'),
|
|
],
|
|
)
|
|
self.assertEqual(MyModel._meta.get_field('field').check(), [])
|
|
|
|
|
|
@unittest.skipUnless(connection.vendor == 'postgresql', "PostgreSQL specific tests")
|
|
class TestMigrations(TransactionTestCase):
|
|
|
|
available_apps = ['postgres_tests']
|
|
|
|
def test_deconstruct(self):
|
|
field = ArrayField(models.IntegerField())
|
|
name, path, args, kwargs = field.deconstruct()
|
|
new = ArrayField(*args, **kwargs)
|
|
self.assertEqual(type(new.base_field), type(field.base_field))
|
|
self.assertIsNot(new.base_field, field.base_field)
|
|
|
|
def test_deconstruct_with_size(self):
|
|
field = ArrayField(models.IntegerField(), size=3)
|
|
name, path, args, kwargs = field.deconstruct()
|
|
new = ArrayField(*args, **kwargs)
|
|
self.assertEqual(new.size, field.size)
|
|
|
|
def test_deconstruct_args(self):
|
|
field = ArrayField(models.CharField(max_length=20))
|
|
name, path, args, kwargs = field.deconstruct()
|
|
new = ArrayField(*args, **kwargs)
|
|
self.assertEqual(new.base_field.max_length, field.base_field.max_length)
|
|
|
|
def test_subclass_deconstruct(self):
|
|
field = ArrayField(models.IntegerField())
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, 'django.contrib.postgres.fields.ArrayField')
|
|
|
|
field = ArrayFieldSubclass()
|
|
name, path, args, kwargs = field.deconstruct()
|
|
self.assertEqual(path, 'postgres_tests.models.ArrayFieldSubclass')
|
|
|
|
@override_settings(MIGRATION_MODULES={
|
|
"postgres_tests": "postgres_tests.array_default_migrations",
|
|
})
|
|
def test_adding_field_with_default(self):
|
|
# See #22962
|
|
table_name = 'postgres_tests_integerarraydefaultmodel'
|
|
with connection.cursor() as cursor:
|
|
self.assertNotIn(table_name, connection.introspection.table_names(cursor))
|
|
call_command('migrate', 'postgres_tests', verbosity=0)
|
|
with connection.cursor() as cursor:
|
|
self.assertIn(table_name, connection.introspection.table_names(cursor))
|
|
call_command('migrate', 'postgres_tests', 'zero', verbosity=0)
|
|
with connection.cursor() as cursor:
|
|
self.assertNotIn(table_name, connection.introspection.table_names(cursor))
|
|
|
|
@override_settings(MIGRATION_MODULES={
|
|
"postgres_tests": "postgres_tests.array_index_migrations",
|
|
})
|
|
def test_adding_arrayfield_with_index(self):
|
|
"""
|
|
ArrayField shouldn't have varchar_patterns_ops or text_patterns_ops indexes.
|
|
"""
|
|
table_name = 'postgres_tests_chartextarrayindexmodel'
|
|
call_command('migrate', 'postgres_tests', verbosity=0)
|
|
with connection.cursor() as cursor:
|
|
like_constraint_columns_list = [
|
|
v['columns']
|
|
for k, v in list(connection.introspection.get_constraints(cursor, table_name).items())
|
|
if k.endswith('_like')
|
|
]
|
|
# Only the CharField should have a LIKE index.
|
|
self.assertEqual(like_constraint_columns_list, [['char2']])
|
|
# All fields should have regular indexes.
|
|
with connection.cursor() as cursor:
|
|
indexes = [
|
|
c['columns'][0]
|
|
for c in connection.introspection.get_constraints(cursor, table_name).values()
|
|
if c['index'] and len(c['columns']) == 1
|
|
]
|
|
self.assertIn('char', indexes)
|
|
self.assertIn('char2', indexes)
|
|
self.assertIn('text', indexes)
|
|
call_command('migrate', 'postgres_tests', 'zero', verbosity=0)
|
|
with connection.cursor() as cursor:
|
|
self.assertNotIn(table_name, connection.introspection.table_names(cursor))
|
|
|
|
|
|
class TestSerialization(PostgreSQLSimpleTestCase):
|
|
test_data = (
|
|
'[{"fields": {"field": "[\\"1\\", \\"2\\", null]"}, "model": "postgres_tests.integerarraymodel", "pk": null}]'
|
|
)
|
|
|
|
def test_dumping(self):
|
|
instance = IntegerArrayModel(field=[1, 2, None])
|
|
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, [1, 2, None])
|
|
|
|
|
|
class TestValidation(PostgreSQLSimpleTestCase):
|
|
|
|
def test_unbounded(self):
|
|
field = ArrayField(models.IntegerField())
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean([1, None], None)
|
|
self.assertEqual(cm.exception.code, 'item_invalid')
|
|
self.assertEqual(
|
|
cm.exception.message % cm.exception.params,
|
|
'Item 2 in the array did not validate: This field cannot be null.'
|
|
)
|
|
|
|
def test_blank_true(self):
|
|
field = ArrayField(models.IntegerField(blank=True, null=True))
|
|
# This should not raise a validation error
|
|
field.clean([1, None], None)
|
|
|
|
def test_with_size(self):
|
|
field = ArrayField(models.IntegerField(), size=3)
|
|
field.clean([1, 2, 3], None)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean([1, 2, 3, 4], None)
|
|
self.assertEqual(cm.exception.messages[0], 'List contains 4 items, it should contain no more than 3.')
|
|
|
|
def test_nested_array_mismatch(self):
|
|
field = ArrayField(ArrayField(models.IntegerField()))
|
|
field.clean([[1, 2], [3, 4]], None)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean([[1, 2], [3, 4, 5]], None)
|
|
self.assertEqual(cm.exception.code, 'nested_array_mismatch')
|
|
self.assertEqual(cm.exception.messages[0], 'Nested arrays must have the same length.')
|
|
|
|
def test_with_base_field_error_params(self):
|
|
field = ArrayField(models.CharField(max_length=2))
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean(['abc'], None)
|
|
self.assertEqual(len(cm.exception.error_list), 1)
|
|
exception = cm.exception.error_list[0]
|
|
self.assertEqual(
|
|
exception.message,
|
|
'Item 1 in the array did not validate: Ensure this value has at most 2 characters (it has 3).'
|
|
)
|
|
self.assertEqual(exception.code, 'item_invalid')
|
|
self.assertEqual(exception.params, {'nth': 1, 'value': 'abc', 'limit_value': 2, 'show_value': 3})
|
|
|
|
def test_with_validators(self):
|
|
field = ArrayField(models.IntegerField(validators=[validators.MinValueValidator(1)]))
|
|
field.clean([1, 2], None)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean([0], None)
|
|
self.assertEqual(len(cm.exception.error_list), 1)
|
|
exception = cm.exception.error_list[0]
|
|
self.assertEqual(
|
|
exception.message,
|
|
'Item 1 in the array did not validate: Ensure this value is greater than or equal to 1.'
|
|
)
|
|
self.assertEqual(exception.code, 'item_invalid')
|
|
self.assertEqual(exception.params, {'nth': 1, 'value': 0, 'limit_value': 1, 'show_value': 0})
|
|
|
|
|
|
class TestSimpleFormField(PostgreSQLSimpleTestCase):
|
|
|
|
def test_valid(self):
|
|
field = SimpleArrayField(forms.CharField())
|
|
value = field.clean('a,b,c')
|
|
self.assertEqual(value, ['a', 'b', 'c'])
|
|
|
|
def test_to_python_fail(self):
|
|
field = SimpleArrayField(forms.IntegerField())
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('a,b,9')
|
|
self.assertEqual(cm.exception.messages[0], 'Item 1 in the array did not validate: Enter a whole number.')
|
|
|
|
def test_validate_fail(self):
|
|
field = SimpleArrayField(forms.CharField(required=True))
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('a,b,')
|
|
self.assertEqual(cm.exception.messages[0], 'Item 3 in the array did not validate: This field is required.')
|
|
|
|
def test_validate_fail_base_field_error_params(self):
|
|
field = SimpleArrayField(forms.CharField(max_length=2))
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('abc,c,defg')
|
|
errors = cm.exception.error_list
|
|
self.assertEqual(len(errors), 2)
|
|
first_error = errors[0]
|
|
self.assertEqual(
|
|
first_error.message,
|
|
'Item 1 in the array did not validate: Ensure this value has at most 2 characters (it has 3).'
|
|
)
|
|
self.assertEqual(first_error.code, 'item_invalid')
|
|
self.assertEqual(first_error.params, {'nth': 1, 'value': 'abc', 'limit_value': 2, 'show_value': 3})
|
|
second_error = errors[1]
|
|
self.assertEqual(
|
|
second_error.message,
|
|
'Item 3 in the array did not validate: Ensure this value has at most 2 characters (it has 4).'
|
|
)
|
|
self.assertEqual(second_error.code, 'item_invalid')
|
|
self.assertEqual(second_error.params, {'nth': 3, 'value': 'defg', 'limit_value': 2, 'show_value': 4})
|
|
|
|
def test_validators_fail(self):
|
|
field = SimpleArrayField(forms.RegexField('[a-e]{2}'))
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('a,bc,de')
|
|
self.assertEqual(cm.exception.messages[0], 'Item 1 in the array did not validate: Enter a valid value.')
|
|
|
|
def test_delimiter(self):
|
|
field = SimpleArrayField(forms.CharField(), delimiter='|')
|
|
value = field.clean('a|b|c')
|
|
self.assertEqual(value, ['a', 'b', 'c'])
|
|
|
|
def test_delimiter_with_nesting(self):
|
|
field = SimpleArrayField(SimpleArrayField(forms.CharField()), delimiter='|')
|
|
value = field.clean('a,b|c,d')
|
|
self.assertEqual(value, [['a', 'b'], ['c', 'd']])
|
|
|
|
def test_prepare_value(self):
|
|
field = SimpleArrayField(forms.CharField())
|
|
value = field.prepare_value(['a', 'b', 'c'])
|
|
self.assertEqual(value, 'a,b,c')
|
|
|
|
def test_max_length(self):
|
|
field = SimpleArrayField(forms.CharField(), max_length=2)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('a,b,c')
|
|
self.assertEqual(cm.exception.messages[0], 'List contains 3 items, it should contain no more than 2.')
|
|
|
|
def test_min_length(self):
|
|
field = SimpleArrayField(forms.CharField(), min_length=4)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('a,b,c')
|
|
self.assertEqual(cm.exception.messages[0], 'List contains 3 items, it should contain no fewer than 4.')
|
|
|
|
def test_required(self):
|
|
field = SimpleArrayField(forms.CharField(), required=True)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean('')
|
|
self.assertEqual(cm.exception.messages[0], 'This field is required.')
|
|
|
|
def test_model_field_formfield(self):
|
|
model_field = ArrayField(models.CharField(max_length=27))
|
|
form_field = model_field.formfield()
|
|
self.assertIsInstance(form_field, SimpleArrayField)
|
|
self.assertIsInstance(form_field.base_field, forms.CharField)
|
|
self.assertEqual(form_field.base_field.max_length, 27)
|
|
|
|
def test_model_field_formfield_size(self):
|
|
model_field = ArrayField(models.CharField(max_length=27), size=4)
|
|
form_field = model_field.formfield()
|
|
self.assertIsInstance(form_field, SimpleArrayField)
|
|
self.assertEqual(form_field.max_length, 4)
|
|
|
|
def test_model_field_choices(self):
|
|
model_field = ArrayField(models.IntegerField(choices=((1, 'A'), (2, 'B'))))
|
|
form_field = model_field.formfield()
|
|
self.assertEqual(form_field.clean('1,2'), [1, 2])
|
|
|
|
def test_already_converted_value(self):
|
|
field = SimpleArrayField(forms.CharField())
|
|
vals = ['a', 'b', 'c']
|
|
self.assertEqual(field.clean(vals), vals)
|
|
|
|
def test_has_changed(self):
|
|
field = SimpleArrayField(forms.IntegerField())
|
|
self.assertIs(field.has_changed([1, 2], [1, 2]), False)
|
|
self.assertIs(field.has_changed([1, 2], '1,2'), False)
|
|
self.assertIs(field.has_changed([1, 2], '1,2,3'), True)
|
|
self.assertIs(field.has_changed([1, 2], 'a,b'), True)
|
|
|
|
def test_has_changed_empty(self):
|
|
field = SimpleArrayField(forms.CharField())
|
|
self.assertIs(field.has_changed(None, None), False)
|
|
self.assertIs(field.has_changed(None, ''), False)
|
|
self.assertIs(field.has_changed(None, []), False)
|
|
self.assertIs(field.has_changed([], None), False)
|
|
self.assertIs(field.has_changed([], ''), False)
|
|
|
|
|
|
class TestSplitFormField(PostgreSQLSimpleTestCase):
|
|
|
|
def test_valid(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(forms.CharField(), size=3)
|
|
|
|
data = {'array_0': 'a', 'array_1': 'b', 'array_2': 'c'}
|
|
form = SplitForm(data)
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(form.cleaned_data, {'array': ['a', 'b', 'c']})
|
|
|
|
def test_required(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(forms.CharField(), required=True, size=3)
|
|
|
|
data = {'array_0': '', 'array_1': '', 'array_2': ''}
|
|
form = SplitForm(data)
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(form.errors, {'array': ['This field is required.']})
|
|
|
|
def test_remove_trailing_nulls(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(forms.CharField(required=False), size=5, remove_trailing_nulls=True)
|
|
|
|
data = {'array_0': 'a', 'array_1': '', 'array_2': 'b', 'array_3': '', 'array_4': ''}
|
|
form = SplitForm(data)
|
|
self.assertTrue(form.is_valid(), form.errors)
|
|
self.assertEqual(form.cleaned_data, {'array': ['a', '', 'b']})
|
|
|
|
def test_remove_trailing_nulls_not_required(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(
|
|
forms.CharField(required=False),
|
|
size=2,
|
|
remove_trailing_nulls=True,
|
|
required=False,
|
|
)
|
|
|
|
data = {'array_0': '', 'array_1': ''}
|
|
form = SplitForm(data)
|
|
self.assertTrue(form.is_valid())
|
|
self.assertEqual(form.cleaned_data, {'array': []})
|
|
|
|
def test_required_field(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(forms.CharField(), size=3)
|
|
|
|
data = {'array_0': 'a', 'array_1': 'b', 'array_2': ''}
|
|
form = SplitForm(data)
|
|
self.assertFalse(form.is_valid())
|
|
self.assertEqual(form.errors, {'array': ['Item 3 in the array did not validate: This field is required.']})
|
|
|
|
def test_invalid_integer(self):
|
|
msg = 'Item 2 in the array did not validate: Ensure this value is less than or equal to 100.'
|
|
with self.assertRaisesMessage(exceptions.ValidationError, msg):
|
|
SplitArrayField(forms.IntegerField(max_value=100), size=2).clean([0, 101])
|
|
|
|
# To locate the widget's template.
|
|
@modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'})
|
|
def test_rendering(self):
|
|
class SplitForm(forms.Form):
|
|
array = SplitArrayField(forms.CharField(), size=3)
|
|
|
|
self.assertHTMLEqual(str(SplitForm()), '''
|
|
<tr>
|
|
<th><label for="id_array_0">Array:</label></th>
|
|
<td>
|
|
<input id="id_array_0" name="array_0" type="text" required>
|
|
<input id="id_array_1" name="array_1" type="text" required>
|
|
<input id="id_array_2" name="array_2" type="text" required>
|
|
</td>
|
|
</tr>
|
|
''')
|
|
|
|
def test_invalid_char_length(self):
|
|
field = SplitArrayField(forms.CharField(max_length=2), size=3)
|
|
with self.assertRaises(exceptions.ValidationError) as cm:
|
|
field.clean(['abc', 'c', 'defg'])
|
|
self.assertEqual(cm.exception.messages, [
|
|
'Item 1 in the array did not validate: Ensure this value has at most 2 characters (it has 3).',
|
|
'Item 3 in the array did not validate: Ensure this value has at most 2 characters (it has 4).',
|
|
])
|
|
|
|
def test_splitarraywidget_value_omitted_from_data(self):
|
|
class Form(forms.ModelForm):
|
|
field = SplitArrayField(forms.IntegerField(), required=False, size=2)
|
|
|
|
class Meta:
|
|
model = IntegerArrayModel
|
|
fields = ('field',)
|
|
|
|
form = Form({'field_0': '1', 'field_1': '2'})
|
|
self.assertEqual(form.errors, {})
|
|
obj = form.save(commit=False)
|
|
self.assertEqual(obj.field, [1, 2])
|
|
|
|
def test_splitarrayfield_has_changed(self):
|
|
class Form(forms.ModelForm):
|
|
field = SplitArrayField(forms.IntegerField(), required=False, size=2)
|
|
|
|
class Meta:
|
|
model = IntegerArrayModel
|
|
fields = ('field',)
|
|
|
|
tests = [
|
|
({}, {'field_0': '', 'field_1': ''}, True),
|
|
({'field': None}, {'field_0': '', 'field_1': ''}, True),
|
|
({'field': [1]}, {'field_0': '', 'field_1': ''}, True),
|
|
({'field': [1]}, {'field_0': '1', 'field_1': '0'}, True),
|
|
({'field': [1, 2]}, {'field_0': '1', 'field_1': '2'}, False),
|
|
({'field': [1, 2]}, {'field_0': 'a', 'field_1': 'b'}, True),
|
|
]
|
|
for initial, data, expected_result in tests:
|
|
with self.subTest(initial=initial, data=data):
|
|
obj = IntegerArrayModel(**initial)
|
|
form = Form(data, instance=obj)
|
|
self.assertIs(form.has_changed(), expected_result)
|
|
|
|
def test_splitarrayfield_remove_trailing_nulls_has_changed(self):
|
|
class Form(forms.ModelForm):
|
|
field = SplitArrayField(forms.IntegerField(), required=False, size=2, remove_trailing_nulls=True)
|
|
|
|
class Meta:
|
|
model = IntegerArrayModel
|
|
fields = ('field',)
|
|
|
|
tests = [
|
|
({}, {'field_0': '', 'field_1': ''}, False),
|
|
({'field': None}, {'field_0': '', 'field_1': ''}, False),
|
|
({'field': []}, {'field_0': '', 'field_1': ''}, False),
|
|
({'field': [1]}, {'field_0': '1', 'field_1': ''}, False),
|
|
]
|
|
for initial, data, expected_result in tests:
|
|
with self.subTest(initial=initial, data=data):
|
|
obj = IntegerArrayModel(**initial)
|
|
form = Form(data, instance=obj)
|
|
self.assertIs(form.has_changed(), expected_result)
|
|
|
|
|
|
class TestSplitFormWidget(PostgreSQLWidgetTestCase):
|
|
|
|
def test_get_context(self):
|
|
self.assertEqual(
|
|
SplitArrayWidget(forms.TextInput(), size=2).get_context('name', ['val1', 'val2']),
|
|
{
|
|
'widget': {
|
|
'name': 'name',
|
|
'is_hidden': False,
|
|
'required': False,
|
|
'value': "['val1', 'val2']",
|
|
'attrs': {},
|
|
'template_name': 'postgres/widgets/split_array.html',
|
|
'subwidgets': [
|
|
{
|
|
'name': 'name_0',
|
|
'is_hidden': False,
|
|
'required': False,
|
|
'value': 'val1',
|
|
'attrs': {},
|
|
'template_name': 'django/forms/widgets/text.html',
|
|
'type': 'text',
|
|
},
|
|
{
|
|
'name': 'name_1',
|
|
'is_hidden': False,
|
|
'required': False,
|
|
'value': 'val2',
|
|
'attrs': {},
|
|
'template_name': 'django/forms/widgets/text.html',
|
|
'type': 'text',
|
|
},
|
|
]
|
|
}
|
|
}
|
|
)
|
|
|
|
def test_checkbox_get_context_attrs(self):
|
|
context = SplitArrayWidget(
|
|
forms.CheckboxInput(),
|
|
size=2,
|
|
).get_context('name', [True, False])
|
|
self.assertEqual(context['widget']['value'], '[True, False]')
|
|
self.assertEqual(
|
|
[subwidget['attrs'] for subwidget in context['widget']['subwidgets']],
|
|
[{'checked': True}, {}]
|
|
)
|
|
|
|
def test_render(self):
|
|
self.check_html(
|
|
SplitArrayWidget(forms.TextInput(), size=2), 'array', None,
|
|
"""
|
|
<input name="array_0" type="text">
|
|
<input name="array_1" type="text">
|
|
"""
|
|
)
|
|
|
|
def test_render_attrs(self):
|
|
self.check_html(
|
|
SplitArrayWidget(forms.TextInput(), size=2),
|
|
'array', ['val1', 'val2'], attrs={'id': 'foo'},
|
|
html=(
|
|
"""
|
|
<input id="foo_0" name="array_0" type="text" value="val1">
|
|
<input id="foo_1" name="array_1" type="text" value="val2">
|
|
"""
|
|
)
|
|
)
|
|
|
|
def test_value_omitted_from_data(self):
|
|
widget = SplitArrayWidget(forms.TextInput(), size=2)
|
|
self.assertIs(widget.value_omitted_from_data({}, {}, 'field'), True)
|
|
self.assertIs(widget.value_omitted_from_data({'field_0': 'value'}, {}, 'field'), False)
|
|
self.assertIs(widget.value_omitted_from_data({'field_1': 'value'}, {}, 'field'), False)
|
|
self.assertIs(widget.value_omitted_from_data({'field_0': 'value', 'field_1': 'value'}, {}, 'field'), False)
|