Michael Merickel
2018-10-15 dd3cc81f75dcb5ff96e0751653071722a15f46c2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
import os.path
import unittest
from pyramid.testing import cleanUp
 
# we use this folder
here = os.path.dirname(os.path.abspath(__file__))
 
class TestAssetsConfiguratorMixin(unittest.TestCase):
    def _makeOne(self, *arg, **kw):
        from pyramid.config import Configurator
        config = Configurator(*arg, **kw)
        return config
 
    def test_override_asset_samename(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset, 'a', 'a')
 
    def test_override_asset_directory_with_file(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo/',
                          'tests.test_config.pkgs.asset:foo.pt')
 
    def test_override_asset_file_with_directory(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo.pt',
                          'tests.test_config.pkgs.asset:templates/')
 
    def test_override_asset_file_with_package(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo.pt',
                          'tests.test_config.pkgs.asset')
 
    def test_override_asset_file_with_file(self):
        from pyramid.config.assets import PackageAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        config.override_asset(
            'tests.test_config.pkgs.asset:templates/foo.pt',
            'tests.test_config.pkgs.asset.subpackage:templates/bar.pt',
            _override=override)
        from tests.test_config.pkgs import asset
        from tests.test_config.pkgs.asset import subpackage
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, 'templates/foo.pt')
        source = override.source
        self.assertTrue(isinstance(source, PackageAssetSource))
        self.assertEqual(source.package, subpackage)
        self.assertEqual(source.prefix, 'templates/bar.pt')
 
        resource_name = ''
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_package_with_package(self):
        from pyramid.config.assets import PackageAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        config.override_asset(
            'tests.test_config.pkgs.asset',
            'tests.test_config.pkgs.asset.subpackage',
            _override=override)
        from tests.test_config.pkgs import asset
        from tests.test_config.pkgs.asset import subpackage
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, '')
        source = override.source
        self.assertTrue(isinstance(source, PackageAssetSource))
        self.assertEqual(source.package, subpackage)
        self.assertEqual(source.prefix, '')
 
        resource_name = 'templates/bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_directory_with_directory(self):
        from pyramid.config.assets import PackageAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        config.override_asset(
            'tests.test_config.pkgs.asset:templates/',
            'tests.test_config.pkgs.asset.subpackage:templates/',
            _override=override)
        from tests.test_config.pkgs import asset
        from tests.test_config.pkgs.asset import subpackage
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, 'templates/')
        source = override.source
        self.assertTrue(isinstance(source, PackageAssetSource))
        self.assertEqual(source.package, subpackage)
        self.assertEqual(source.prefix, 'templates/')
 
        resource_name = 'bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_directory_with_package(self):
        from pyramid.config.assets import PackageAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        config.override_asset(
            'tests.test_config.pkgs.asset:templates/',
            'tests.test_config.pkgs.asset.subpackage',
            _override=override)
        from tests.test_config.pkgs import asset
        from tests.test_config.pkgs.asset import subpackage
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, 'templates/')
        source = override.source
        self.assertTrue(isinstance(source, PackageAssetSource))
        self.assertEqual(source.package, subpackage)
        self.assertEqual(source.prefix, '')
 
        resource_name = 'templates/bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_package_with_directory(self):
        from pyramid.config.assets import PackageAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        config.override_asset(
            'tests.test_config.pkgs.asset',
            'tests.test_config.pkgs.asset.subpackage:templates/',
            _override=override)
        from tests.test_config.pkgs import asset
        from tests.test_config.pkgs.asset import subpackage
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, '')
        source = override.source
        self.assertTrue(isinstance(source, PackageAssetSource))
        self.assertEqual(source.package, subpackage)
        self.assertEqual(source.prefix, 'templates/')
 
        resource_name = 'bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_directory_with_absfile(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo/',
                          os.path.join(here, 'pkgs', 'asset', 'foo.pt'))
 
    def test_override_asset_file_with_absdirectory(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        abspath = os.path.join(here, 'pkgs', 'asset', 'subpackage', 'templates')
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo.pt',
                          abspath)
 
    def test_override_asset_file_with_missing_abspath(self):
        from pyramid.exceptions import ConfigurationError
        config = self._makeOne()
        self.assertRaises(ConfigurationError, config.override_asset,
                          'a:foo.pt',
                          os.path.join(here, 'wont_exist'))
 
    def test_override_asset_file_with_absfile(self):
        from pyramid.config.assets import FSAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        abspath = os.path.join(here, 'pkgs', 'asset', 'subpackage',
                               'templates', 'bar.pt')
        config.override_asset(
            'tests.test_config.pkgs.asset:templates/foo.pt',
            abspath,
            _override=override)
        from tests.test_config.pkgs import asset
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, 'templates/foo.pt')
        source = override.source
        self.assertTrue(isinstance(source, FSAssetSource))
        self.assertEqual(source.prefix, abspath)
 
        resource_name = ''
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_directory_with_absdirectory(self):
        from pyramid.config.assets import FSAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        abspath = os.path.join(here, 'pkgs', 'asset', 'subpackage', 'templates')
        config.override_asset(
            'tests.test_config.pkgs.asset:templates/',
            abspath,
            _override=override)
        from tests.test_config.pkgs import asset
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, 'templates/')
        source = override.source
        self.assertTrue(isinstance(source, FSAssetSource))
        self.assertEqual(source.prefix, abspath)
 
        resource_name = 'bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test_override_asset_package_with_absdirectory(self):
        from pyramid.config.assets import FSAssetSource
        config = self._makeOne(autocommit=True)
        override = DummyUnderOverride()
        abspath = os.path.join(here, 'pkgs', 'asset', 'subpackage', 'templates')
        config.override_asset(
            'tests.test_config.pkgs.asset',
            abspath,
            _override=override)
        from tests.test_config.pkgs import asset
        self.assertEqual(override.package, asset)
        self.assertEqual(override.path, '')
        source = override.source
        self.assertTrue(isinstance(source, FSAssetSource))
        self.assertEqual(source.prefix, abspath)
 
        resource_name = 'bar.pt'
        expected = os.path.join(here, 'pkgs', 'asset',
                                'subpackage', 'templates', 'bar.pt')
        self.assertEqual(override.source.get_filename(resource_name),
                         expected)
 
    def test__override_not_yet_registered(self):
        from pyramid.interfaces import IPackageOverrides
        package = DummyPackage('package')
        source = DummyAssetSource()
        config = self._makeOne()
        config._override(package, 'path', source,
                         PackageOverrides=DummyPackageOverrides)
        overrides = config.registry.queryUtility(IPackageOverrides,
                                                 name='package')
        self.assertEqual(overrides.inserted, [('path', source)])
        self.assertEqual(overrides.package, package)
 
    def test__override_already_registered(self):
        from pyramid.interfaces import IPackageOverrides
        package = DummyPackage('package')
        source = DummyAssetSource()
        overrides = DummyPackageOverrides(package)
        config = self._makeOne()
        config.registry.registerUtility(overrides, IPackageOverrides,
                                        name='package')
        config._override(package, 'path', source,
                         PackageOverrides=DummyPackageOverrides)
        self.assertEqual(overrides.inserted, [('path', source)])
        self.assertEqual(overrides.package, package)
 
 
class TestOverrideProvider(unittest.TestCase):
    def setUp(self):
        cleanUp()
 
    def tearDown(self):
        cleanUp()
 
    def _getTargetClass(self):
        from pyramid.config.assets import OverrideProvider
        return OverrideProvider
 
    def _makeOne(self, module):
        klass = self._getTargetClass()
        return klass(module)
 
    def _registerOverrides(self, overrides, name='tests.test_config'):
        from pyramid.interfaces import IPackageOverrides
        from pyramid.threadlocal import get_current_registry
        reg = get_current_registry()
        reg.registerUtility(overrides, IPackageOverrides, name=name)
 
    def test_get_resource_filename_no_overrides(self):
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        expected = os.path.join(here, resource_name)
        result = provider.get_resource_filename(None, resource_name)
        self.assertEqual(result, expected)
 
    def test_get_resource_stream_no_overrides(self):
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        with provider.get_resource_stream(None, resource_name) as result:
            _assertBody(result.read(), os.path.join(here, resource_name))
 
    def test_get_resource_string_no_overrides(self):
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.get_resource_string(None, resource_name)
        _assertBody(result, os.path.join(here, resource_name))
 
    def test_has_resource_no_overrides(self):
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.has_resource(resource_name)
        self.assertEqual(result, True)
 
    def test_resource_isdir_no_overrides(self):
        file_resource_name = 'test_assets.py'
        directory_resource_name = 'files'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.resource_isdir(file_resource_name)
        self.assertEqual(result, False)
        result = provider.resource_isdir(directory_resource_name)
        self.assertEqual(result, True)
 
    def test_resource_listdir_no_overrides(self):
        resource_name = 'files'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.resource_listdir(resource_name)
        self.assertTrue(result)
 
    def test_get_resource_filename_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        expected = os.path.join(here, resource_name)
        result = provider.get_resource_filename(None, resource_name)
        self.assertEqual(result, expected)
        
    def test_get_resource_stream_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        with provider.get_resource_stream(None, resource_name) as result:
            _assertBody(result.read(), os.path.join(here, resource_name))
 
    def test_get_resource_string_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.get_resource_string(None, resource_name)
        _assertBody(result, os.path.join(here, resource_name))
 
    def test_has_resource_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'test_assets.py'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.has_resource(resource_name)
        self.assertEqual(result, True)
 
    def test_resource_isdir_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'files'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.resource_isdir(resource_name)
        self.assertEqual(result, True)
 
    def test_resource_listdir_override_returns_None(self):
        overrides = DummyOverrides(None)
        self._registerOverrides(overrides)
        resource_name = 'files'
        import tests.test_config
        provider = self._makeOne(tests.test_config)
        result = provider.resource_listdir(resource_name)
        self.assertTrue(result)
 
    def test_get_resource_filename_override_returns_value(self):
        overrides = DummyOverrides('value')
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        result = provider.get_resource_filename(None, 'test_assets.py')
        self.assertEqual(result, 'value')
 
    def test_get_resource_stream_override_returns_value(self):
        from io import BytesIO
        overrides = DummyOverrides(BytesIO(b'value'))
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        with provider.get_resource_stream(None, 'test_assets.py') as stream:
            self.assertEqual(stream.getvalue(), b'value')
 
    def test_get_resource_string_override_returns_value(self):
        overrides = DummyOverrides('value')
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        result = provider.get_resource_string(None, 'test_assets.py')
        self.assertEqual(result, 'value')
 
    def test_has_resource_override_returns_True(self):
        overrides = DummyOverrides(True)
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        result = provider.has_resource('test_assets.py')
        self.assertEqual(result, True)
 
    def test_resource_isdir_override_returns_False(self):
        overrides = DummyOverrides(False)
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        result = provider.resource_isdir('files')
        self.assertEqual(result, False)
 
    def test_resource_listdir_override_returns_values(self):
        overrides = DummyOverrides(['a'])
        import tests.test_config
        self._registerOverrides(overrides)
        provider = self._makeOne(tests.test_config)
        result = provider.resource_listdir('files')
        self.assertEqual(result, ['a'])
 
class TestPackageOverrides(unittest.TestCase):
    def _getTargetClass(self):
        from pyramid.config.assets import PackageOverrides
        return PackageOverrides
 
    def _makeOne(self, package=None, pkg_resources=None):
        if package is None:
            package = DummyPackage('package')
        klass = self._getTargetClass()
        if pkg_resources is None:
            pkg_resources = DummyPkgResources()
        return klass(package, pkg_resources=pkg_resources)
 
    def test_class_conforms_to_IPackageOverrides(self):
        from zope.interface.verify import verifyClass
        from pyramid.interfaces import IPackageOverrides
        verifyClass(IPackageOverrides, self._getTargetClass())
 
    def test_instance_conforms_to_IPackageOverrides(self):
        from zope.interface.verify import verifyObject
        from pyramid.interfaces import IPackageOverrides
        verifyObject(IPackageOverrides, self._makeOne())
 
    def test_class_conforms_to_IPEP302Loader(self):
        from zope.interface.verify import verifyClass
        from pyramid.interfaces import IPEP302Loader
        verifyClass(IPEP302Loader, self._getTargetClass())
 
    def test_instance_conforms_to_IPEP302Loader(self):
        from zope.interface.verify import verifyObject
        from pyramid.interfaces import IPEP302Loader
        verifyObject(IPEP302Loader, self._makeOne())
 
    def test_ctor_package_already_has_loader_of_different_type(self):
        package = DummyPackage('package')
        loader = package.__loader__ = DummyLoader()
        po = self._makeOne(package)
        self.assertTrue(package.__loader__ is po)
        self.assertTrue(po.real_loader is loader)
 
    def test_ctor_package_already_has_loader_of_same_type(self):
        package = DummyPackage('package')
        package.__loader__ = self._makeOne(package)
        po = self._makeOne(package)
        self.assertEqual(package.__loader__, po)
 
    def test_ctor_sets_loader(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertEqual(package.__loader__, po)
 
    def test_ctor_registers_loader_type(self):
        from pyramid.config.assets import OverrideProvider
        dummy_pkg_resources = DummyPkgResources()
        package = DummyPackage('package')
        po = self._makeOne(package, dummy_pkg_resources)
        self.assertEqual(dummy_pkg_resources.registered, [(po.__class__,
                         OverrideProvider)])
 
    def test_ctor_sets_local_state(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertEqual(po.overrides, [])
        self.assertEqual(po.overridden_package_name, 'package')
 
    def test_insert_directory(self):
        from pyramid.config.assets import DirectoryOverride
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = [None]
        po.insert('foo/', DummyAssetSource())
        self.assertEqual(len(po.overrides), 2)
        override = po.overrides[0]
        self.assertEqual(override.__class__, DirectoryOverride)
 
    def test_insert_file(self):
        from pyramid.config.assets import FileOverride
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = [None]
        po.insert('foo.pt', DummyAssetSource())
        self.assertEqual(len(po.overrides), 2)
        override = po.overrides[0]
        self.assertEqual(override.__class__, FileOverride)
 
    def test_insert_emptystring(self):
        # XXX is this a valid case for a directory?
        from pyramid.config.assets import DirectoryOverride
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = [None]
        source = DummyAssetSource()
        po.insert('', source)
        self.assertEqual(len(po.overrides), 2)
        override = po.overrides[0]
        self.assertEqual(override.__class__, DirectoryOverride)
 
    def test_filtered_sources(self):
        overrides = [ DummyOverride(None), DummyOverride('foo')]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(list(po.filtered_sources('whatever')), ['foo'])
 
    def test_get_filename(self):
        source = DummyAssetSource(filename='foo.pt')
        overrides = [ DummyOverride(None), DummyOverride((source, ''))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        result = po.get_filename('whatever')
        self.assertEqual(result, 'foo.pt')
        self.assertEqual(source.resource_name, '')
 
    def test_get_filename_file_doesnt_exist(self):
        source = DummyAssetSource(filename=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.get_filename('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    def test_get_stream(self):
        source = DummyAssetSource(stream='a stream?')
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.get_stream('whatever'), 'a stream?')
        self.assertEqual(source.resource_name, 'foo.pt')
        
    def test_get_stream_file_doesnt_exist(self):
        source = DummyAssetSource(stream=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.get_stream('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    def test_get_string(self):
        source = DummyAssetSource(string='a string')
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.get_string('whatever'), 'a string')
        self.assertEqual(source.resource_name, 'foo.pt')
        
    def test_get_string_file_doesnt_exist(self):
        source = DummyAssetSource(string=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.get_string('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    def test_has_resource(self):
        source = DummyAssetSource(exists=True)
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.has_resource('whatever'), True)
        self.assertEqual(source.resource_name, 'foo.pt')
 
    def test_has_resource_file_doesnt_exist(self):
        source = DummyAssetSource(exists=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.has_resource('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    def test_isdir_false(self):
        source = DummyAssetSource(isdir=False)
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.isdir('whatever'), False)
        self.assertEqual(source.resource_name, 'foo.pt')
 
    def test_isdir_true(self):
        source = DummyAssetSource(isdir=True)
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.isdir('whatever'), True)
        self.assertEqual(source.resource_name, 'foo.pt')
 
    def test_isdir_doesnt_exist(self):
        source = DummyAssetSource(isdir=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.isdir('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    def test_listdir(self):
        source = DummyAssetSource(listdir=True)
        overrides = [DummyOverride(None), DummyOverride((source, 'foo.pt'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.listdir('whatever'), True)
        self.assertEqual(source.resource_name, 'foo.pt')
 
    def test_listdir_doesnt_exist(self):
        source = DummyAssetSource(listdir=None)
        overrides = [DummyOverride(None), DummyOverride((source, 'wont_exist'))]
        package = DummyPackage('package')
        po = self._makeOne(package)
        po.overrides = overrides
        self.assertEqual(po.listdir('whatever'), None)
        self.assertEqual(source.resource_name, 'wont_exist')
 
    # PEP 302 __loader__ extensions:  use the "real" __loader__, if present.
    def test_get_data_pkg_has_no___loader__(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertRaises(NotImplementedError, po.get_data, 'whatever')
 
    def test_get_data_pkg_has___loader__(self):
        package = DummyPackage('package')
        loader = package.__loader__  = DummyLoader()
        po = self._makeOne(package)
        self.assertEqual(po.get_data('whatever'), b'DEADBEEF')
        self.assertEqual(loader._got_data, 'whatever')
 
    def test_is_package_pkg_has_no___loader__(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertRaises(NotImplementedError, po.is_package, 'whatever')
 
    def test_is_package_pkg_has___loader__(self):
        package = DummyPackage('package')
        loader = package.__loader__  = DummyLoader()
        po = self._makeOne(package)
        self.assertTrue(po.is_package('whatever'))
        self.assertEqual(loader._is_package, 'whatever')
 
    def test_get_code_pkg_has_no___loader__(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertRaises(NotImplementedError, po.get_code, 'whatever')
 
    def test_get_code_pkg_has___loader__(self):
        package = DummyPackage('package')
        loader = package.__loader__  = DummyLoader()
        po = self._makeOne(package)
        self.assertEqual(po.get_code('whatever'), b'DEADBEEF')
        self.assertEqual(loader._got_code, 'whatever')
 
    def test_get_source_pkg_has_no___loader__(self):
        package = DummyPackage('package')
        po = self._makeOne(package)
        self.assertRaises(NotImplementedError, po.get_source, 'whatever')
 
    def test_get_source_pkg_has___loader__(self):
        package = DummyPackage('package')
        loader = package.__loader__ = DummyLoader()
        po = self._makeOne(package)
        self.assertEqual(po.get_source('whatever'), 'def foo():\n    pass')
        self.assertEqual(loader._got_source, 'whatever')
 
class AssetSourceIntegrationTests(object):
 
    def test_get_filename(self):
        source = self._makeOne('')
        self.assertEqual(source.get_filename('test_assets.py'),
                         os.path.join(here, 'test_assets.py'))
 
    def test_get_filename_with_prefix(self):
        source = self._makeOne('test_assets.py')
        self.assertEqual(source.get_filename(''),
                         os.path.join(here, 'test_assets.py'))
 
    def test_get_filename_file_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.get_filename('wont_exist'), None)
 
    def test_get_stream(self):
        source = self._makeOne('')
        with source.get_stream('test_assets.py') as stream:
            _assertBody(stream.read(), os.path.join(here, 'test_assets.py'))
 
    def test_get_stream_with_prefix(self):
        source = self._makeOne('test_assets.py')
        with source.get_stream('') as stream:
            _assertBody(stream.read(), os.path.join(here, 'test_assets.py'))
 
    def test_get_stream_file_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.get_stream('wont_exist'), None)
 
    def test_get_string(self):
        source = self._makeOne('')
        _assertBody(source.get_string('test_assets.py'),
                    os.path.join(here, 'test_assets.py'))
 
    def test_get_string_with_prefix(self):
        source = self._makeOne('test_assets.py')
        _assertBody(source.get_string(''),
                    os.path.join(here, 'test_assets.py'))
 
    def test_get_string_file_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.get_string('wont_exist'), None)
 
    def test_exists(self):
        source = self._makeOne('')
        self.assertEqual(source.exists('test_assets.py'), True)
 
    def test_exists_with_prefix(self):
        source = self._makeOne('test_assets.py')
        self.assertEqual(source.exists(''), True)
 
    def test_exists_file_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.exists('wont_exist'), None)
 
    def test_isdir_false(self):
        source = self._makeOne('')
        self.assertEqual(source.isdir('test_assets.py'), False)
 
    def test_isdir_true(self):
        source = self._makeOne('')
        self.assertEqual(source.isdir('files'), True)
 
    def test_isdir_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.isdir('wont_exist'), None)
 
    def test_listdir(self):
        source = self._makeOne('')
        self.assertTrue(source.listdir('files'))
 
    def test_listdir_doesnt_exist(self):
        source = self._makeOne('')
        self.assertEqual(source.listdir('wont_exist'), None)
 
class TestPackageAssetSource(AssetSourceIntegrationTests, unittest.TestCase):
 
    def _getTargetClass(self):
        from pyramid.config.assets import PackageAssetSource
        return PackageAssetSource
 
    def _makeOne(self, prefix, package='tests.test_config'):
        klass = self._getTargetClass()
        return klass(package, prefix)
 
class TestFSAssetSource(AssetSourceIntegrationTests, unittest.TestCase):
    def _getTargetClass(self):
        from pyramid.config.assets import FSAssetSource
        return FSAssetSource
 
    def _makeOne(self, prefix, base_prefix=here):
        klass = self._getTargetClass()
        return klass(os.path.join(base_prefix, prefix))
 
class TestDirectoryOverride(unittest.TestCase):
    def _getTargetClass(self):
        from pyramid.config.assets import DirectoryOverride
        return DirectoryOverride
 
    def _makeOne(self, path, source):
        klass = self._getTargetClass()
        return klass(path, source)
 
    def test_it_match(self):
        source = DummyAssetSource()
        o = self._makeOne('foo/', source)
        result = o('foo/something.pt')
        self.assertEqual(result, (source, 'something.pt'))
        
    def test_it_no_match(self):
        source = DummyAssetSource()
        o = self._makeOne('foo/', source)
        result = o('baz/notfound.pt')
        self.assertEqual(result, None)
 
class TestFileOverride(unittest.TestCase):
    def _getTargetClass(self):
        from pyramid.config.assets import FileOverride
        return FileOverride
 
    def _makeOne(self, path, source):
        klass = self._getTargetClass()
        return klass(path, source)
 
    def test_it_match(self):
        source = DummyAssetSource()
        o = self._makeOne('foo.pt', source)
        result = o('foo.pt')
        self.assertEqual(result, (source, ''))
        
    def test_it_no_match(self):
        source = DummyAssetSource()
        o = self._makeOne('foo.pt', source)
        result = o('notfound.pt')
        self.assertEqual(result, None)
 
class DummyOverride:
    def __init__(self, result):
        self.result = result
 
    def __call__(self, resource_name):
        return self.result
 
class DummyOverrides:
    def __init__(self, result):
        self.result = result
 
    def get_filename(self, resource_name):
        return self.result
 
    listdir = isdir = has_resource = get_stream = get_string = get_filename
 
class DummyPackageOverrides:
    def __init__(self, package):
        self.package = package
        self.inserted = []
 
    def insert(self, path, source):
        self.inserted.append((path, source))
    
class DummyPkgResources:
    def __init__(self):
        self.registered = []
 
    def register_loader_type(self, typ, inst):
        self.registered.append((typ, inst))
 
class DummyPackage:
    def __init__(self, name):
        self.__name__ = name
 
class DummyAssetSource:
    def __init__(self, **kw):
        self.kw = kw
 
    def get_filename(self, resource_name):
        self.resource_name = resource_name
        return self.kw['filename']
 
    def get_stream(self, resource_name):
        self.resource_name = resource_name
        return self.kw['stream']
 
    def get_string(self, resource_name):
        self.resource_name = resource_name
        return self.kw['string']
 
    def exists(self, resource_name):
        self.resource_name = resource_name
        return self.kw['exists']
 
    def isdir(self, resource_name):
        self.resource_name = resource_name
        return self.kw['isdir']
 
    def listdir(self, resource_name):
        self.resource_name = resource_name
        return self.kw['listdir']
 
class DummyLoader:
    _got_data = _is_package = None
    def get_data(self, path):
        self._got_data = path
        return b'DEADBEEF'
    def is_package(self, fullname):
        self._is_package = fullname
        return True
    def get_code(self, fullname):
        self._got_code = fullname
        return b'DEADBEEF'
    def get_source(self, fullname):
        self._got_source = fullname
        return 'def foo():\n    pass'
 
class DummyUnderOverride:
    def __call__(self, package, path, source, _info=''):
        self.package = package
        self.path = path
        self.source = source
 
def read_(src):
    with open(src, 'rb') as f:
        contents = f.read()
    return contents
 
def _assertBody(body, filename):
    # strip both \n and \r for windows
    body = body.replace(b'\r', b'')
    body = body.replace(b'\n', b'')
    data = read_(filename)
    data = data.replace(b'\r', b'')
    data = data.replace(b'\n', b'')
    assert(body == data)