diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/migrations/test_autodetector.py | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/migrations/test_autodetector.py b/tests/migrations/test_autodetector.py index 5caec12db8..8bee31c217 100644 --- a/tests/migrations/test_autodetector.py +++ b/tests/migrations/test_autodetector.py @@ -1,6 +1,9 @@ # -*- coding: utf-8 -*- +import re + from django.conf import settings from django.contrib.auth.models import AbstractBaseUser +from django.core.validators import RegexValidator, validate_slug from django.db import connection, models from django.db.migrations.autodetector import MigrationAutodetector from django.db.migrations.graph import MigrationGraph @@ -997,6 +1000,46 @@ class AutodetectorTests(TestCase): self.assertOperationAttributes(changes, "testapp", 0, 0, old_name="Author", new_name="NewAuthor") self.assertOperationAttributes(changes, "testapp", 0, 1, name="newauthor", table="author_three") + def test_identical_regex_doesnt_alter(self): + from_state = ModelState( + "testapp", "model", [("id", models.AutoField(primary_key=True, validators=[ + RegexValidator( + re.compile('^[-a-zA-Z0-9_]+\\Z'), + "Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens.", + 'invalid' + ) + ]))] + ) + to_state = ModelState( + "testapp", "model", [("id", models.AutoField(primary_key=True, validators=[validate_slug]))] + ) + before = self.make_project_state([from_state]) + after = self.make_project_state([to_state]) + autodetector = MigrationAutodetector(before, after) + changes = autodetector._detect_changes() + # Right number/type of migrations? + self.assertNumberMigrations(changes, "testapp", 0) + + def test_different_regex_does_alter(self): + from_state = ModelState( + "testapp", "model", [("id", models.AutoField(primary_key=True, validators=[ + RegexValidator( + re.compile('^[a-z]+\\Z', 32), + "Enter a valid 'slug' consisting of letters, numbers, underscores or hyphens.", + 'invalid' + ) + ]))] + ) + to_state = ModelState( + "testapp", "model", [("id", models.AutoField(primary_key=True, validators=[validate_slug]))] + ) + before = self.make_project_state([from_state]) + after = self.make_project_state([to_state]) + autodetector = MigrationAutodetector(before, after) + changes = autodetector._detect_changes() + self.assertNumberMigrations(changes, "testapp", 1) + self.assertOperationTypes(changes, "testapp", 0, ["AlterField"]) + def test_empty_foo_together(self): """ #23452 - Empty unique/index_together shouldn't generate a migration. |