65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
from decimal import Decimal
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from django.db.backends.signals import connection_created
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from django.db.migrations.writer import MigrationWriter
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from django.test.utils import modify_settings
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from . import PostgreSQLTestCase
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try:
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from psycopg2.extras import (
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DateRange, DateTimeRange, DateTimeTZRange, NumericRange,
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)
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from django.contrib.postgres.fields import (
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DateRangeField, DateTimeRangeField, DecimalRangeField,
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IntegerRangeField,
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)
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except ImportError:
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pass
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class PostgresConfigTests(PostgreSQLTestCase):
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def test_register_type_handlers_connection(self):
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from django.contrib.postgres.signals import register_type_handlers
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self.assertNotIn(register_type_handlers, connection_created._live_receivers(None))
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with modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'}):
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self.assertIn(register_type_handlers, connection_created._live_receivers(None))
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self.assertNotIn(register_type_handlers, connection_created._live_receivers(None))
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def test_register_serializer_for_migrations(self):
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tests = (
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(DateRange(empty=True), DateRangeField),
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(DateTimeRange(empty=True), DateRangeField),
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(DateTimeTZRange(None, None, '[]'), DateTimeRangeField),
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(NumericRange(Decimal('1.0'), Decimal('5.0'), '()'), DecimalRangeField),
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(NumericRange(1, 10), IntegerRangeField),
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)
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def assertNotSerializable():
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for default, test_field in tests:
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with self.subTest(default=default):
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field = test_field(default=default)
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with self.assertRaisesMessage(ValueError, 'Cannot serialize: %s' % default.__class__.__name__):
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MigrationWriter.serialize(field)
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assertNotSerializable()
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with self.modify_settings(INSTALLED_APPS={'append': 'django.contrib.postgres'}):
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for default, test_field in tests:
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with self.subTest(default=default):
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field = test_field(default=default)
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serialized_field, imports = MigrationWriter.serialize(field)
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self.assertEqual(imports, {
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'import django.contrib.postgres.fields.ranges',
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'import psycopg2.extras',
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})
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self.assertIn(
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'%s.%s(default=psycopg2.extras.%r)' % (
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field.__module__,
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field.__class__.__name__,
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default,
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),
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serialized_field
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)
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assertNotSerializable()
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