Added tests for some sql_* management commands

tests/regressiontests/commands_sql/models.py

@@ -0,0 +1,7 @@
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+
+
+@python_2_unicode_compatible
+class Book(models.Model):
+    title = models.CharField(max_length=100, db_index=True)

tests/regressiontests/commands_sql/tests.py

@@ -0,0 +1,38 @@
+from __future__ import unicode_literals
+
+from django.core.management.color import no_style
+from django.core.management.sql import (sql_create, sql_delete, sql_indexes,
+    sql_all)
+from django.db import connections, DEFAULT_DB_ALIAS, models
+from django.test import TestCase
+from django.utils import six
+
+# See also regressiontests/initial_sql_regress for 'custom_sql_for_model' tests
+
+
+class SQLCommandsTestCase(TestCase):
+    """Tests for several functions in django/core/management/sql.py"""
+    def test_sql_create(self):
+        app = models.get_app('commands_sql')
+        output = sql_create(app, no_style(), connections[DEFAULT_DB_ALIAS])
+        six.assertRegex(self, output[0], r'^CREATE TABLE .commands_sql_book.*')
+
+    def test_sql_delete(self):
+        app = models.get_app('commands_sql')
+        output = sql_delete(app, no_style(), connections[DEFAULT_DB_ALIAS])
+        six.assertRegex(self, output[0], r'^DROP TABLE .commands_sql_book.*')
+
+    def test_sql_indexes(self):
+        app = models.get_app('commands_sql')
+        output = sql_indexes(app, no_style(), connections[DEFAULT_DB_ALIAS])
+        # PostgreSQL creates two indexes
+        self.assertIn(len(output), [1, 2])
+        self.assertTrue(output[0].startswith("CREATE INDEX"))
+
+    def test_sql_all(self):
+        app = models.get_app('commands_sql')
+        output = sql_all(app, no_style(), connections[DEFAULT_DB_ALIAS])
+        # PostgreSQL creates two indexes
+        self.assertIn(len(output), [2, 3])
+        self.assertTrue(output[0].startswith('CREATE TABLE'))
+        self.assertTrue(output[1].startswith('CREATE INDEX'))