root / env / lib / python2.7 / site-packages / south / tests / autodetection.py @ d1a4905f
History | View | Annotate | Download (11.5 KB)
| 1 |
from south.tests import unittest |
|---|---|
| 2 |
|
| 3 |
from south.creator.changes import AutoChanges, InitialChanges |
| 4 |
from south.migration.base import Migrations |
| 5 |
from south.tests import Monkeypatcher |
| 6 |
from south.creator import freezer |
| 7 |
from south.orm import FakeORM |
| 8 |
from south.v2 import SchemaMigration |
| 9 |
|
| 10 |
class TestComparison(unittest.TestCase): |
| 11 |
|
| 12 |
"""
|
| 13 |
Tests the comparison methods of startmigration.
|
| 14 |
"""
|
| 15 |
|
| 16 |
def test_no_change(self): |
| 17 |
"Test with a completely unchanged definition."
|
| 18 |
|
| 19 |
self.assertEqual(
|
| 20 |
AutoChanges.different_attributes( |
| 21 |
('django.db.models.fields.related.ForeignKey', [], {'to': "orm['southdemo.Lizard']"}), |
| 22 |
('django.db.models.fields.related.ForeignKey', [], {'to': "orm['southdemo.Lizard']"}), |
| 23 |
), |
| 24 |
False,
|
| 25 |
) |
| 26 |
|
| 27 |
self.assertEqual(
|
| 28 |
AutoChanges.different_attributes( |
| 29 |
('django.db.models.fields.related.ForeignKey', ['ohhai', 'there'], {'to': "somewhere", "from": "there"}), |
| 30 |
('django.db.models.fields.related.ForeignKey', ['ohhai', 'there'], {"from": "there", 'to': "somewhere"}), |
| 31 |
), |
| 32 |
False,
|
| 33 |
) |
| 34 |
|
| 35 |
|
| 36 |
def test_pos_change(self): |
| 37 |
"Test with a changed positional argument."
|
| 38 |
|
| 39 |
self.assertEqual(
|
| 40 |
AutoChanges.different_attributes( |
| 41 |
('django.db.models.fields.CharField', ['hi'], {'to': "foo"}), |
| 42 |
('django.db.models.fields.CharField', [], {'to': "foo"}), |
| 43 |
), |
| 44 |
True,
|
| 45 |
) |
| 46 |
|
| 47 |
self.assertEqual(
|
| 48 |
AutoChanges.different_attributes( |
| 49 |
('django.db.models.fields.CharField', [], {'to': "foo"}), |
| 50 |
('django.db.models.fields.CharField', ['bye'], {'to': "foo"}), |
| 51 |
), |
| 52 |
True,
|
| 53 |
) |
| 54 |
|
| 55 |
self.assertEqual(
|
| 56 |
AutoChanges.different_attributes( |
| 57 |
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}), |
| 58 |
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}), |
| 59 |
), |
| 60 |
False,
|
| 61 |
) |
| 62 |
|
| 63 |
self.assertEqual(
|
| 64 |
AutoChanges.different_attributes( |
| 65 |
('django.db.models.fields.CharField', ['pisdadad'], {'to': "foo"}), |
| 66 |
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}), |
| 67 |
), |
| 68 |
True,
|
| 69 |
) |
| 70 |
|
| 71 |
self.assertEqual(
|
| 72 |
AutoChanges.different_attributes( |
| 73 |
('django.db.models.fields.CharField', ['hi'], {}), |
| 74 |
('django.db.models.fields.CharField', [], {}),
|
| 75 |
), |
| 76 |
True,
|
| 77 |
) |
| 78 |
|
| 79 |
self.assertEqual(
|
| 80 |
AutoChanges.different_attributes( |
| 81 |
('django.db.models.fields.CharField', [], {}),
|
| 82 |
('django.db.models.fields.CharField', ['bye'], {}), |
| 83 |
), |
| 84 |
True,
|
| 85 |
) |
| 86 |
|
| 87 |
self.assertEqual(
|
| 88 |
AutoChanges.different_attributes( |
| 89 |
('django.db.models.fields.CharField', ['pi'], {}), |
| 90 |
('django.db.models.fields.CharField', ['pi'], {}), |
| 91 |
), |
| 92 |
False,
|
| 93 |
) |
| 94 |
|
| 95 |
self.assertEqual(
|
| 96 |
AutoChanges.different_attributes( |
| 97 |
('django.db.models.fields.CharField', ['pi'], {}), |
| 98 |
('django.db.models.fields.CharField', ['45fdfdf'], {}), |
| 99 |
), |
| 100 |
True,
|
| 101 |
) |
| 102 |
|
| 103 |
|
| 104 |
def test_kwd_change(self): |
| 105 |
"Test a changed keyword argument"
|
| 106 |
|
| 107 |
self.assertEqual(
|
| 108 |
AutoChanges.different_attributes( |
| 109 |
('django.db.models.fields.CharField', ['pi'], {'to': "foo"}), |
| 110 |
('django.db.models.fields.CharField', ['pi'], {'to': "blue"}), |
| 111 |
), |
| 112 |
True,
|
| 113 |
) |
| 114 |
|
| 115 |
self.assertEqual(
|
| 116 |
AutoChanges.different_attributes( |
| 117 |
('django.db.models.fields.CharField', [], {'to': "foo"}), |
| 118 |
('django.db.models.fields.CharField', [], {'to': "blue"}), |
| 119 |
), |
| 120 |
True,
|
| 121 |
) |
| 122 |
|
| 123 |
self.assertEqual(
|
| 124 |
AutoChanges.different_attributes( |
| 125 |
('django.db.models.fields.CharField', ['b'], {'to': "foo"}), |
| 126 |
('django.db.models.fields.CharField', ['b'], {'to': "blue"}), |
| 127 |
), |
| 128 |
True,
|
| 129 |
) |
| 130 |
|
| 131 |
self.assertEqual(
|
| 132 |
AutoChanges.different_attributes( |
| 133 |
('django.db.models.fields.CharField', [], {'to': "foo"}), |
| 134 |
('django.db.models.fields.CharField', [], {}),
|
| 135 |
), |
| 136 |
True,
|
| 137 |
) |
| 138 |
|
| 139 |
self.assertEqual(
|
| 140 |
AutoChanges.different_attributes( |
| 141 |
('django.db.models.fields.CharField', ['a'], {'to': "foo"}), |
| 142 |
('django.db.models.fields.CharField', ['a'], {}), |
| 143 |
), |
| 144 |
True,
|
| 145 |
) |
| 146 |
|
| 147 |
self.assertEqual(
|
| 148 |
AutoChanges.different_attributes( |
| 149 |
('django.db.models.fields.CharField', [], {}),
|
| 150 |
('django.db.models.fields.CharField', [], {'to': "foo"}), |
| 151 |
), |
| 152 |
True,
|
| 153 |
) |
| 154 |
|
| 155 |
self.assertEqual(
|
| 156 |
AutoChanges.different_attributes( |
| 157 |
('django.db.models.fields.CharField', ['a'], {}), |
| 158 |
('django.db.models.fields.CharField', ['a'], {'to': "foo"}), |
| 159 |
), |
| 160 |
True,
|
| 161 |
) |
| 162 |
|
| 163 |
|
| 164 |
|
| 165 |
def test_backcompat_nochange(self): |
| 166 |
"Test that the backwards-compatable comparison is working"
|
| 167 |
|
| 168 |
self.assertEqual(
|
| 169 |
AutoChanges.different_attributes( |
| 170 |
('models.CharField', [], {}),
|
| 171 |
('django.db.models.fields.CharField', [], {}),
|
| 172 |
), |
| 173 |
False,
|
| 174 |
) |
| 175 |
|
| 176 |
self.assertEqual(
|
| 177 |
AutoChanges.different_attributes( |
| 178 |
('models.CharField', ['ack'], {}), |
| 179 |
('django.db.models.fields.CharField', ['ack'], {}), |
| 180 |
), |
| 181 |
False,
|
| 182 |
) |
| 183 |
|
| 184 |
self.assertEqual(
|
| 185 |
AutoChanges.different_attributes( |
| 186 |
('models.CharField', [], {'to':'b'}), |
| 187 |
('django.db.models.fields.CharField', [], {'to':'b'}), |
| 188 |
), |
| 189 |
False,
|
| 190 |
) |
| 191 |
|
| 192 |
self.assertEqual(
|
| 193 |
AutoChanges.different_attributes( |
| 194 |
('models.CharField', ['hah'], {'to':'you'}), |
| 195 |
('django.db.models.fields.CharField', ['hah'], {'to':'you'}), |
| 196 |
), |
| 197 |
False,
|
| 198 |
) |
| 199 |
|
| 200 |
self.assertEqual(
|
| 201 |
AutoChanges.different_attributes( |
| 202 |
('models.CharField', ['hah'], {'to':'you'}), |
| 203 |
('django.db.models.fields.CharField', ['hah'], {'to':'heh'}), |
| 204 |
), |
| 205 |
True,
|
| 206 |
) |
| 207 |
|
| 208 |
self.assertEqual(
|
| 209 |
AutoChanges.different_attributes( |
| 210 |
('models.CharField', ['hah'], {}), |
| 211 |
('django.db.models.fields.CharField', [], {'to':"orm['appname.hah']"}), |
| 212 |
), |
| 213 |
False,
|
| 214 |
) |
| 215 |
|
| 216 |
self.assertEqual(
|
| 217 |
AutoChanges.different_attributes( |
| 218 |
('models.CharField', ['hah'], {}), |
| 219 |
('django.db.models.fields.CharField', [], {'to':'hah'}), |
| 220 |
), |
| 221 |
True,
|
| 222 |
) |
| 223 |
|
| 224 |
self.assertEqual(
|
| 225 |
AutoChanges.different_attributes( |
| 226 |
('models.CharField', ['hah'], {}), |
| 227 |
('django.db.models.fields.CharField', [], {'to':'rrr'}), |
| 228 |
), |
| 229 |
True,
|
| 230 |
) |
| 231 |
|
| 232 |
self.assertEqual(
|
| 233 |
AutoChanges.different_attributes( |
| 234 |
('models.CharField', ['hah'], {}), |
| 235 |
('django.db.models.fields.IntField', [], {'to':'hah'}), |
| 236 |
), |
| 237 |
True,
|
| 238 |
) |
| 239 |
|
| 240 |
class TestNonManagedIgnored(Monkeypatcher): |
| 241 |
|
| 242 |
installed_apps = ["non_managed"]
|
| 243 |
|
| 244 |
full_defs = {
|
| 245 |
'non_managed.legacy': {
|
| 246 |
'Meta': {'object_name': 'Legacy', 'db_table': "'legacy_table'", 'managed': 'False'}, |
| 247 |
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), |
| 248 |
'name': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True'}), |
| 249 |
'size': ('django.db.models.fields.IntegerField', [], {}) |
| 250 |
} |
| 251 |
} |
| 252 |
|
| 253 |
def test_not_added_init(self): |
| 254 |
|
| 255 |
migrations = Migrations("non_managed")
|
| 256 |
changes = InitialChanges(migrations) |
| 257 |
change_list = changes.get_changes() |
| 258 |
if list(change_list): |
| 259 |
self.fail("Initial migration creates table for non-managed model") |
| 260 |
|
| 261 |
def test_not_added_auto(self): |
| 262 |
|
| 263 |
empty_defs = { }
|
| 264 |
class EmptyMigration(SchemaMigration): |
| 265 |
"Serves as fake previous migration"
|
| 266 |
|
| 267 |
def forwards(self, orm): |
| 268 |
pass
|
| 269 |
|
| 270 |
def backwards(self, orm): |
| 271 |
pass
|
| 272 |
|
| 273 |
models = empty_defs |
| 274 |
|
| 275 |
complete_apps = ['non_managed']
|
| 276 |
|
| 277 |
migrations = Migrations("non_managed")
|
| 278 |
empty_orm = FakeORM(EmptyMigration, "non_managed")
|
| 279 |
changes = AutoChanges( |
| 280 |
migrations = migrations, |
| 281 |
old_defs = empty_defs, |
| 282 |
old_orm = empty_orm, |
| 283 |
new_defs = self.full_defs,
|
| 284 |
) |
| 285 |
change_list = changes.get_changes() |
| 286 |
if list(change_list): |
| 287 |
self.fail("Auto migration creates table for non-managed model") |
| 288 |
|
| 289 |
def test_not_deleted_auto(self): |
| 290 |
|
| 291 |
empty_defs = { }
|
| 292 |
old_defs = freezer.freeze_apps(["non_managed"])
|
| 293 |
class InitialMigration(SchemaMigration): |
| 294 |
"Serves as fake previous migration"
|
| 295 |
|
| 296 |
def forwards(self, orm): |
| 297 |
pass
|
| 298 |
|
| 299 |
def backwards(self, orm): |
| 300 |
pass
|
| 301 |
|
| 302 |
models = self.full_defs
|
| 303 |
|
| 304 |
complete_apps = ['non_managed']
|
| 305 |
|
| 306 |
migrations = Migrations("non_managed")
|
| 307 |
initial_orm = FakeORM(InitialMigration, "non_managed")
|
| 308 |
changes = AutoChanges( |
| 309 |
migrations = migrations, |
| 310 |
old_defs = self.full_defs,
|
| 311 |
old_orm = initial_orm, |
| 312 |
new_defs = empty_defs, |
| 313 |
) |
| 314 |
change_list = changes.get_changes() |
| 315 |
if list(change_list): |
| 316 |
self.fail("Auto migration deletes table for non-managed model") |
| 317 |
|
| 318 |
def test_not_modified_auto(self): |
| 319 |
|
| 320 |
fake_defs = {
|
| 321 |
'non_managed.legacy': {
|
| 322 |
'Meta': {'object_name': 'Legacy', 'db_table': "'legacy_table'", 'managed': 'False'}, |
| 323 |
'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), |
| 324 |
'name': ('django.db.models.fields.CharField', [], {'max_length': '10', 'null': 'True'}), |
| 325 |
#'size': ('django.db.models.fields.IntegerField', [], {}) # The "change" is the addition of this field
|
| 326 |
} |
| 327 |
} |
| 328 |
class InitialMigration(SchemaMigration): |
| 329 |
"Serves as fake previous migration"
|
| 330 |
|
| 331 |
def forwards(self, orm): |
| 332 |
pass
|
| 333 |
|
| 334 |
def backwards(self, orm): |
| 335 |
pass
|
| 336 |
|
| 337 |
models = fake_defs |
| 338 |
|
| 339 |
complete_apps = ['non_managed']
|
| 340 |
|
| 341 |
from non_managed import models as dummy_import_to_force_loading_models # TODO: Does needing this indicate a bug in MokeyPatcher? |
| 342 |
|
| 343 |
migrations = Migrations("non_managed")
|
| 344 |
initial_orm = FakeORM(InitialMigration, "non_managed")
|
| 345 |
changes = AutoChanges( |
| 346 |
migrations = migrations, |
| 347 |
old_defs = fake_defs, |
| 348 |
old_orm = initial_orm, |
| 349 |
new_defs = self.full_defs
|
| 350 |
) |
| 351 |
change_list = changes.get_changes() |
| 352 |
if list(change_list): |
| 353 |
self.fail("Auto migration changes table for non-managed model") |