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-rw-r--r--tests/migrations/test_commands.py43
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/migrations/test_commands.py b/tests/migrations/test_commands.py
index ca7214be2b..bc289d2f91 100644
--- a/tests/migrations/test_commands.py
+++ b/tests/migrations/test_commands.py
@@ -620,6 +620,49 @@ class MakeMigrationsTests(MigrationTestBase):
self.assertIn("Branch 0002_conflicting_second", output)
self.assertIn("Created new merge migration", output)
+ def test_makemigration_merge_dry_run(self):
+ """
+ Makes sure that makemigrations respects --dry-run option when fixing
+ migration conflicts (#24427).
+ """
+ out = six.StringIO()
+ with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
+ call_command("makemigrations", "migrations", dry_run=True, merge=True, interactive=False, stdout=out)
+ merge_file = os.path.join(migration_dir, '0003_merge.py')
+ self.assertFalse(os.path.exists(merge_file))
+ output = force_text(out.getvalue())
+ self.assertIn("Merging migrations", output)
+ self.assertIn("Branch 0002_second", output)
+ self.assertIn("Branch 0002_conflicting_second", output)
+ self.assertNotIn("Created new merge migration", output)
+
+ def test_makemigration_merge_dry_run_verbosity_3(self):
+ """
+ Makes sure that `makemigrations --merge --dry-run` writes the merge
+ migration file to stdout with `verbosity == 3` (#24427).
+ """
+ out = six.StringIO()
+ with self.temporary_migration_module(module="migrations.test_migrations_conflict") as migration_dir:
+ call_command("makemigrations", "migrations", dry_run=True, merge=True, interactive=False,
+ stdout=out, verbosity=3)
+ merge_file = os.path.join(migration_dir, '0003_merge.py')
+ self.assertFalse(os.path.exists(merge_file))
+ output = force_text(out.getvalue())
+ self.assertIn("Merging migrations", output)
+ self.assertIn("Branch 0002_second", output)
+ self.assertIn("Branch 0002_conflicting_second", output)
+ self.assertNotIn("Created new merge migration", output)
+
+ # Additional output caused by verbosity 3
+ # The complete merge migration file that would be written
+ self.assertIn("# -*- coding: utf-8 -*-", output)
+ self.assertIn("class Migration(migrations.Migration):", output)
+ self.assertIn("dependencies = [", output)
+ self.assertIn("('migrations', '0002_second')", output)
+ self.assertIn("('migrations', '0002_conflicting_second')", output)
+ self.assertIn("operations = [", output)
+ self.assertIn("]", output)
+
def test_makemigrations_dry_run(self):
"""
Ticket #22676 -- `makemigrations --dry-run` should not ask for defaults.