Removed IPAddressField per deprecation timeline; refs #20439.

4 files changed, 60 insertions, 0 deletions

diff --git a/tests/migrations/deprecated_field_migrations/0001_initial.py b/tests/migrations/deprecated_field_migrations/0001_initial.py
new file mode 100644
index 0000000000..724f973405
--- /dev/null
+++ b/tests/migrations/deprecated_field_migrations/0001_initial.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='IPAddressField',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('ip', models.IPAddressField(null=True, blank=True)),
+            ],
+        ),
+    ]
diff --git a/tests/migrations/deprecated_field_migrations/0002_remove_ipaddressfield_ip.py b/tests/migrations/deprecated_field_migrations/0002_remove_ipaddressfield_ip.py
new file mode 100644
index 0000000000..12e9739bca
--- /dev/null
+++ b/tests/migrations/deprecated_field_migrations/0002_remove_ipaddressfield_ip.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('migrations', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='ipaddressfield',
+            name='ip',
+        ),
+    ]
diff --git a/tests/migrations/deprecated_field_migrations/__init__.py b/tests/migrations/deprecated_field_migrations/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/migrations/deprecated_field_migrations/__init__.py
diff --git a/tests/migrations/test_deprecated_fields.py b/tests/migrations/test_deprecated_fields.py
new file mode 100644
index 0000000000..2e9808e20b
--- /dev/null
+++ b/tests/migrations/test_deprecated_fields.py
@@ -0,0 +1,22 @@
+from django.core.management import call_command
+from django.test import override_settings
+
+from .test_base import MigrationTestBase
+
+
+class Tests(MigrationTestBase):
+    """
+    Deprecated model fields should still be usable in historic migrations.
+    """
+    @override_settings(MIGRATION_MODULES={"migrations": "migrations.deprecated_field_migrations"})
+    def test_migrate(self):
+        # Make sure no tables are created
+        self.assertTableNotExists("migrations_ipaddressfield")
+        # Run migration
+        call_command("migrate", verbosity=0)
+        # Make sure the right tables exist
+        self.assertTableExists("migrations_ipaddressfield")
+        # Unmigrate everything
+        call_command("migrate", "migrations", "zero", verbosity=0)
+        # Make sure it's all gone
+        self.assertTableNotExists("migrations_ipaddressfield")