39 lines
1.7 KiB
Python
39 lines
1.7 KiB
Python
from unittest import skipUnless
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from django.core.management.color import no_style
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from django.db import connection
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from django.test import TestCase
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from .models import Article, IndexTogetherSingleList
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class IndexesTests(TestCase):
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def test_index_together(self):
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index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
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self.assertEqual(len(index_sql), 1)
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def test_index_together_single_list(self):
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# Test for using index_together with a single list (#22172)
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index_sql = connection.creation.sql_indexes_for_model(IndexTogetherSingleList, no_style())
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self.assertEqual(len(index_sql), 1)
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@skipUnless(connection.vendor == 'postgresql',
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"This is a postgresql-specific issue")
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def test_postgresql_text_indexes(self):
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"""Test creation of PostgreSQL-specific text indexes (#12234)"""
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from .models import IndexedArticle
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index_sql = connection.creation.sql_indexes_for_model(IndexedArticle, no_style())
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self.assertEqual(len(index_sql), 5)
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self.assertIn('("headline" varchar_pattern_ops)', index_sql[1])
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self.assertIn('("body" text_pattern_ops)', index_sql[3])
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# unique=True and db_index=True should only create the varchar-specific
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# index (#19441).
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self.assertIn('("slug" varchar_pattern_ops)', index_sql[4])
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@skipUnless(connection.vendor == 'postgresql',
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"This is a postgresql-specific issue")
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def test_postgresql_virtual_relation_indexes(self):
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"""Test indexes are not created for related objects"""
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index_sql = connection.creation.sql_indexes_for_model(Article, no_style())
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self.assertEqual(len(index_sql), 1)
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