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Enso-Bot/venv/Lib/site-packages/south/tests/autodetection.py

361 lines
12 KiB
Python

from south.tests import unittest
from south.creator.changes import AutoChanges, InitialChanges
from south.migration.base import Migrations
from south.tests import Monkeypatcher
from south.creator import freezer
from south.orm import FakeORM
from south.v2 import SchemaMigration
try:
from django.utils.six.moves import reload_module
except ImportError:
# Older django, no python3 support
reload_module = reload
class TestComparison(unittest.TestCase):
"""
Tests the comparison methods of startmigration.
"""
def test_no_change(self):
"Test with a completely unchanged definition."
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.related.ForeignKey', [], {'to': "orm['southdemo.Lizard']"}),
('django.db.models.fields.related.ForeignKey', [], {'to': "orm['southdemo.Lizard']"}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.related.ForeignKey', ['ohhai', 'there'], {'to': "somewhere", "from": "there"}),
('django.db.models.fields.related.ForeignKey', ['ohhai', 'there'], {"from": "there", 'to': "somewhere"}),
),
False,
)
def test_pos_change(self):
"Test with a changed positional argument."
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['hi'], {'to': "foo"}),
('django.db.models.fields.CharField', [], {'to': "foo"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', [], {'to': "foo"}),
('django.db.models.fields.CharField', ['bye'], {'to': "foo"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}),
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['pisdadad'], {'to': "foo"}),
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['hi'], {}),
('django.db.models.fields.CharField', [], {}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', [], {}),
('django.db.models.fields.CharField', ['bye'], {}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['pi'], {}),
('django.db.models.fields.CharField', ['pi'], {}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['pi'], {}),
('django.db.models.fields.CharField', ['45fdfdf'], {}),
),
True,
)
def test_kwd_change(self):
"Test a changed keyword argument"
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}),
('django.db.models.fields.CharField', ['pi'], {'to': "blue"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', [], {'to': "foo"}),
('django.db.models.fields.CharField', [], {'to': "blue"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['b'], {'to': "foo"}),
('django.db.models.fields.CharField', ['b'], {'to': "blue"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', [], {'to': "foo"}),
('django.db.models.fields.CharField', [], {}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['a'], {'to': "foo"}),
('django.db.models.fields.CharField', ['a'], {}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', [], {}),
('django.db.models.fields.CharField', [], {'to': "foo"}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('django.db.models.fields.CharField', ['a'], {}),
('django.db.models.fields.CharField', ['a'], {'to': "foo"}),
),
True,
)
def test_backcompat_nochange(self):
"Test that the backwards-compatable comparison is working"
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', [], {}),
('django.db.models.fields.CharField', [], {}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['ack'], {}),
('django.db.models.fields.CharField', ['ack'], {}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', [], {'to':'b'}),
('django.db.models.fields.CharField', [], {'to':'b'}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {'to':'you'}),
('django.db.models.fields.CharField', ['hah'], {'to':'you'}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {'to':'you'}),
('django.db.models.fields.CharField', ['hah'], {'to':'heh'}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {}),
('django.db.models.fields.CharField', [], {'to':"orm['appname.hah']"}),
),
False,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {}),
('django.db.models.fields.CharField', [], {'to':'hah'}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {}),
('django.db.models.fields.CharField', [], {'to':'rrr'}),
),
True,
)
self.assertEqual(
AutoChanges.different_attributes(
('models.CharField', ['hah'], {}),
('django.db.models.fields.IntField', [], {'to':'hah'}),
),
True,
)
class TestNonManagedIgnored(Monkeypatcher):
installed_apps = ["non_managed"]
full_defs = {
'non_managed.legacy': {
'Meta': {'object_name': 'Legacy', 'db_table': "'legacy_table'", 'managed': 'False'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True'}),
'size': ('django.db.models.fields.IntegerField', [], {})
}
}
def test_not_added_init(self):
migrations = Migrations("non_managed")
changes = InitialChanges(migrations)
change_list = changes.get_changes()
if list(change_list):
self.fail("Initial migration creates table for non-managed model")
def test_not_added_auto(self):
empty_defs = { }
class EmptyMigration(SchemaMigration):
"Serves as fake previous migration"
def forwards(self, orm):
pass
def backwards(self, orm):
pass
models = empty_defs
complete_apps = ['non_managed']
migrations = Migrations("non_managed")
empty_orm = FakeORM(EmptyMigration, "non_managed")
changes = AutoChanges(
migrations = migrations,
old_defs = empty_defs,
old_orm = empty_orm,
new_defs = self.full_defs,
)
change_list = changes.get_changes()
if list(change_list):
self.fail("Auto migration creates table for non-managed model")
def test_not_deleted_auto(self):
empty_defs = { }
old_defs = freezer.freeze_apps(["non_managed"])
class InitialMigration(SchemaMigration):
"Serves as fake previous migration"
def forwards(self, orm):
pass
def backwards(self, orm):
pass
models = self.full_defs
complete_apps = ['non_managed']
migrations = Migrations("non_managed")
initial_orm = FakeORM(InitialMigration, "non_managed")
changes = AutoChanges(
migrations = migrations,
old_defs = self.full_defs,
old_orm = initial_orm,
new_defs = empty_defs,
)
change_list = changes.get_changes()
if list(change_list):
self.fail("Auto migration deletes table for non-managed model")
def test_not_modified_auto(self):
fake_defs = {
'non_managed.legacy': {
'Meta': {'object_name': 'Legacy', 'db_table': "'legacy_table'", 'managed': 'False'},
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
'name': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True'}),
#'size': ('django.db.models.fields.IntegerField', [], {}) # The "change" is the addition of this field
}
}
class InitialMigration(SchemaMigration):
"Serves as fake previous migration"
def forwards(self, orm):
pass
def backwards(self, orm):
pass
models = fake_defs
complete_apps = ['non_managed']
from non_managed import models as dummy_import_to_force_loading_models # TODO: Does needing this indicate a bug in MokeyPatcher?
reload_module(dummy_import_to_force_loading_models) # really force...
migrations = Migrations("non_managed")
initial_orm = FakeORM(InitialMigration, "non_managed")
changes = AutoChanges(
migrations = migrations,
old_defs = fake_defs,
old_orm = initial_orm,
new_defs = self.full_defs
)
change_list = changes.get_changes()
if list(change_list):
self.fail("Auto migration changes table for non-managed model")