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|
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")
|
