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How to use test_inner_migrations method in pytest-django

Best Python code snippet using pytest-django_python

test_db_setup.py

Source:test_db_setup.py

...252        django_testdir.create_test_module(253            """254            import pytest255            @pytest.mark.django_db256            def test_inner_migrations():257                from .app.models import Item258                Item.objects.create()259        """260        )261        migration_file = django_testdir.project_root.join(262            "tpkg/app/migrations/0001_initial.py"263        )264        assert migration_file.isfile()265        migration_file.write(266            'raise Exception("This should not get imported.")', ensure=True267        )268        result = django_testdir.runpytest_subprocess(269            "--nomigrations", "--tb=short", "-vv", "-s",270        )271        assert result.ret == 0272        assert "Operations to perform:" not in result.stdout.str()273        result.stdout.fnmatch_lines(["*= 1 passed in *"])274    def test_migrations_run(self, django_testdir):275        testdir = django_testdir276        testdir.create_test_module(277            """278            import pytest279            @pytest.mark.django_db280            def test_inner_migrations():281                from .app.models import Item282                Item.objects.create()283            """284        )285        testdir.create_app_file(286            """287            from django.db import migrations, models288            def print_it(apps, schema_editor):289                print("mark_migrations_run")290            class Migration(migrations.Migration):291                dependencies = []292                operations = [293                    migrations.CreateModel(294                        name='Item',...

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