Commit 09b63a7c authored by Andrew Godwin's avatar Andrew Godwin
Browse files

Fix __latest__ to actually resolve to the latest migration

parent 405b9dcd

django/db/migrations/loader.py

+1 −1
Original line number Diff line number Diff line
@@ -155,7 +155,7 @@ class MigrationLoader(object): 
                if key[1] == "__first__":

                    return list(self.graph.root_nodes(key[0]))[0]

                else:

                    return list(self.graph.root_nodes(key[0]))[-1]

                    return list(self.graph.leaf_nodes(key[0]))[0]

            except IndexError:

                if self.ignore_no_migrations:

                    return None

tests/migrations/test_loader.py

+20 −0
Original line number Diff line number Diff line
@@ -122,6 +122,26 @@ class LoaderTests(TestCase): 
            ],

        )



    @modify_settings(INSTALLED_APPS={'append': 'basic'})

    @override_settings(MIGRATION_MODULES={

        "migrations": "migrations.test_migrations_latest",

        "basic": "migrations.test_migrations_latest_basic",

    })

    def test_latest(self):

        """

        Makes sure that __latest__ works correctly.

        """

        # Load and test the plan

        migration_loader = MigrationLoader(connection)

        self.assertEqual(

            migration_loader.graph.forwards_plan(("migrations", "0001_initial")),

            [

                ("basic", "0001_initial"),

                ("basic", "0002_second"),

                ("migrations", "0001_initial"),

            ],

        )



    @override_settings(MIGRATION_MODULES={"migrations": "migrations.test_migrations"})

    def test_name_match(self):

        "Tests prefix name matching"

tests/migrations/test_migrations_latest/0001_initial.py

0 → 100644
+13 −0
Original line number Diff line number Diff line 
# -*- coding: utf-8 -*-

from __future__ import unicode_literals



from django.db import migrations





class Migration(migrations.Migration):



    dependencies = [

        ("basic", "__latest__"),

    ]



    operations = []

tests/migrations/test_migrations_latest/__init__.py

0 → 100644
+0 −0

Empty file added.

tests/migrations/test_migrations_latest_basic/0001_initial.py

0 → 100644
+11 −0
Original line number Diff line number Diff line 
# -*- coding: utf-8 -*-

from __future__ import unicode_literals



from django.db import migrations





class Migration(migrations.Migration):



    dependencies = []



    operations = []