-
Notifications
You must be signed in to change notification settings - Fork 508
/
data_mapper_test.rb
2028 lines (1600 loc) · 59.5 KB
/
data_mapper_test.rb
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
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
require File.expand_path(File.dirname(__FILE__) + '/../../test_helper')
require 'dm-core'
require 'dm-core/version' unless defined?(::DataMapper::VERSION)
require 'dm-observer'
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.3')
require 'dm-migrations'
end
# Establish database connection
DataMapper.setup(:default, 'sqlite3::memory:')
DataObjects::Sqlite3.logger = DataObjects::Logger.new("#{File.dirname(__FILE__)}/../../data_mapper.log", :info)
module DataMapperTest
class BaseTestCase < Test::Unit::TestCase
def default_test
end
def teardown
@resources.uniq.each {|resource| DataMapperTest.send(:remove_const, resource)} if instance_variable_defined?('@resources')
end
protected
# Creates a new DataMapper resource (and the associated table)
def new_resource(create_table = :foo, &block)
table_name = create_table || :foo
name = table_name.to_s.capitalize
resource = Class.new
DataMapperTest.send(:remove_const, name) if DataMapperTest.const_defined?(name)
DataMapperTest.const_set(name, resource)
(@resources ||= []) << name
resource.class_eval do
include DataMapper::Resource
storage_names[:default] = table_name.to_s
property :id, resource.class_eval('Serial')
property :state, String
end
resource.class_eval(&block) if block_given?
resource.auto_migrate! if create_table
resource
end
# Creates a new DataMapper observer
def new_observer(resource, &block)
observer = Class.new do
include DataMapper::Observer
end
observer.observe(resource)
observer.class_eval(&block) if block_given?
observer
end
end
class IntegrationTest < BaseTestCase
def test_should_have_an_integration_name
assert_equal :data_mapper, StateMachine::Integrations::DataMapper.integration_name
end
def test_should_be_available
assert StateMachine::Integrations::DataMapper.available?
end
def test_should_match_if_class_includes_data_mapper
assert StateMachine::Integrations::DataMapper.matches?(new_resource)
end
def test_should_not_match_if_class_does_not_include_data_mapper
assert !StateMachine::Integrations::DataMapper.matches?(Class.new)
end
def test_should_have_defaults
assert_equal({:action => :save, :use_transactions => false}, StateMachine::Integrations::DataMapper.defaults)
end
def test_should_not_have_a_locale_path
assert_nil StateMachine::Integrations::DataMapper.locale_path
end
end
class MachineWithoutDatabaseTest < BaseTestCase
def setup
@resource = new_resource(false) do
# Simulate the database not being available entirely
def self.repository
raise DataObjects::SyntaxError
end
end
end
def test_should_allow_machine_creation
assert_nothing_raised { StateMachine::Machine.new(@resource) }
end
end
class MachineUnmigratedTest < BaseTestCase
def setup
@resource = new_resource(false)
end
def test_should_allow_machine_creation
assert_nothing_raised { StateMachine::Machine.new(@resource) }
end
end
class MachineWithoutPropertyTest < BaseTestCase
def setup
@resource = new_resource
StateMachine::Machine.new(@resource, :status)
end
def test_should_define_field_with_string_type
property = @resource.properties.detect {|p| p.name == :status}
assert_not_nil property
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('1.0.0')
assert_instance_of DataMapper::Property::String, property
else
assert_equal String, property.type
end
end
end
class MachineWithPropertyTest < BaseTestCase
def setup
@resource = new_resource do
property :status, Integer
end
StateMachine::Machine.new(@resource, :status)
end
def test_should_not_redefine_field
property = @resource.properties.detect {|p| p.name == :status}
assert_not_nil property
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('1.0.0')
assert_instance_of DataMapper::Property::Integer, property
else
assert_equal Integer, property.type
end
end
end
class MachineByDefaultTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource)
end
def test_should_use_save_as_action
assert_equal :save, @machine.action
end
def test_should_not_use_transactions
assert_equal false, @machine.use_transactions
end
def test_should_not_have_any_before_callbacks
assert_equal 0, @machine.callbacks[:before].size
end
def test_should_not_have_any_after_callbacks
assert_equal 0, @machine.callbacks[:after].size
end
end
class MachineWithStatesTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource)
@machine.state :first_gear
end
def test_should_humanize_name
assert_equal 'first gear', @machine.state(:first_gear).human_name
end
end
class MachineWithStaticInitialStateTest < BaseTestCase
def setup
@resource = new_resource do
attr_accessor :value
end
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
end
def test_should_set_initial_state_on_created_object
record = @resource.new
assert_equal 'parked', record.state
end
def test_should_set_initial_state_with_nil_attributes
@resource.class_eval do
def attributes=(attributes)
super(attributes || {})
end
end
record = @resource.new(nil)
assert_equal 'parked', record.state
end
def test_should_still_set_attributes
record = @resource.new(:value => 1)
assert_equal 1, record.value
end
def test_should_not_allow_initialize_blocks
block_args = nil
@resource.new do |*args|
block_args = args
end
assert_nil block_args
end
def test_should_set_initial_state_before_setting_attributes
@resource.class_eval do
attr_accessor :state_during_setter
remove_method :value=
define_method(:value=) do |value|
self.state_during_setter = state
end
end
record = @resource.new(:value => 1)
assert_equal 'parked', record.state_during_setter
end
def test_should_not_set_initial_state_after_already_initialized
record = @resource.new(:value => 1)
assert_equal 'parked', record.state
record.state = 'idling'
record.attributes = {}
assert_equal 'idling', record.state
end
def test_should_persist_initial_state
record = @resource.new
record.save
record.reload
assert_equal 'parked', record.state
end
def test_should_persist_initial_state_on_dup
record = @resource.create.dup
record.save
record.reload
assert_equal 'parked', record.state
end
def test_should_use_stored_values_when_loading_from_database
@machine.state :idling
record = @resource.get(@resource.create(:state => 'idling').id)
assert_equal 'idling', record.state
end
def test_should_use_stored_values_when_loading_from_database_with_nil_state
@machine.state nil
record = @resource.get(@resource.create(:state => nil).id)
assert_nil record.state
end
end
class MachineWithDynamicInitialStateTest < BaseTestCase
def setup
@resource = new_resource do
attr_accessor :value
end
@machine = StateMachine::Machine.new(@resource, :initial => lambda {|object| :parked})
@machine.state :parked
end
def test_should_set_initial_state_on_created_object
record = @resource.new
assert_equal 'parked', record.state
end
def test_should_still_set_attributes
record = @resource.new(:value => 1)
assert_equal 1, record.value
end
def test_should_not_allow_initialize_blocks
block_args = nil
@resource.new do |*args|
block_args = args
end
assert_nil block_args
end
def test_should_set_initial_state_after_setting_attributes
@resource.class_eval do
attr_accessor :state_during_setter
remove_method :value=
define_method(:value=) do |value|
self.state_during_setter = state || 'nil'
end
end
record = @resource.new(:value => 1)
assert_equal 'nil', record.state_during_setter
end
def test_should_not_set_initial_state_after_already_initialized
record = @resource.new(:value => 1)
assert_equal 'parked', record.state
record.state = 'idling'
record.attributes = {}
assert_equal 'idling', record.state
end
def test_should_persist_initial_state
record = @resource.new
record.save
record.reload
assert_equal 'parked', record.state
end
def test_should_persist_initial_state_on_dup
record = @resource.create.dup
record.save
record.reload
assert_equal 'parked', record.state
end
def test_should_use_stored_values_when_loading_from_database
@machine.state :idling
record = @resource.get(@resource.create(:state => 'idling').id)
assert_equal 'idling', record.state
end
def test_should_use_stored_values_when_loading_from_database_with_nil_state
@machine.state nil
record = @resource.get(@resource.create(:state => nil).id)
assert_nil record.state
end
end
class MachineWithEventsTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource)
@machine.event :shift_up
end
def test_should_humanize_name
assert_equal 'shift up', @machine.event(:shift_up).human_name
end
end
class MachineWithSameColumnDefaultTest < BaseTestCase
def setup
@original_stderr, $stderr = $stderr, StringIO.new
@resource = new_resource do
property :status, String, :default => 'parked'
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@record = @resource.new
end
def test_should_use_machine_default
assert_equal 'parked', @record.status
end
def test_should_not_generate_a_warning
assert_no_match(/have defined a different default/, $stderr.string)
end
def teardown
$stderr = @original_stderr
end
end
class MachineWithDifferentColumnDefaultTest < BaseTestCase
def setup
@original_stderr, $stderr = $stderr, StringIO.new
@resource = new_resource do
property :status, String, :default => 'idling'
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@record = @resource.new
end
def test_should_use_machine_default
assert_equal 'parked', @record.status
end
def test_should_generate_a_warning
assert_match(/Both DataMapperTest::Foo and its :status machine have defined a different default for "status". Use only one or the other for defining defaults to avoid unexpected behaviors\./, $stderr.string)
end
def teardown
$stderr = @original_stderr
end
end
class MachineWithDifferentIntegerColumnDefaultTest < BaseTestCase
def setup
@original_stderr, $stderr = $stderr, StringIO.new
@resource = new_resource do
property :status, Integer, :default => 0
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@machine.state :parked, :value => 1
@record = @resource.new
end
def test_should_use_machine_default
assert_equal 1, @record.status
end
def test_should_generate_a_warning
assert_match(/Both DataMapperTest::Foo and its :status machine have defined a different default for "status". Use only one or the other for defining defaults to avoid unexpected behaviors\./, $stderr.string)
end
def teardown
$stderr = @original_stderr
end
end
class MachineWithConflictingPredicateTest < BaseTestCase
def setup
@resource = new_resource do
def state?(*args)
true
end
end
@machine = StateMachine::Machine.new(@resource)
@record = @resource.new
end
def test_should_not_define_attribute_predicate
assert @record.state?
end
end
class MachineWithConflictingStateNameTest < BaseTestCase
def setup
require 'stringio'
@original_stderr, $stderr = $stderr, StringIO.new
@resource = new_resource
end
def test_should_output_warning_with_same_machine_name
@machine = StateMachine::Machine.new(@resource)
@machine.state :state
assert_match(/^Instance method "state\?" is already defined in DataMapperTest::Foo :state instance helpers, use generic helper instead.*\n$/, $stderr.string)
end
def test_should_not_output_warning_with_same_machine_attribute
@machine = StateMachine::Machine.new(@resource, :public_state, :attribute => :state)
@machine.state :state
assert_no_match(/^Instance method "state\?" is already defined.*\n$/, $stderr.string)
end
def teardown
$stderr = @original_stderr
super
end
end
class MachineWithColumnStateAttributeTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.other_states(:idling)
@record = @resource.new
end
def test_should_not_override_the_column_reader
@record.attribute_set(:state, 'parked')
assert_equal 'parked', @record.state
end
def test_should_not_override_the_column_writer
@record.state = 'parked'
assert_equal 'parked', @record.attribute_get(:state)
end
def test_should_have_an_attribute_predicate
assert @record.respond_to?(:state?)
end
def test_should_raise_exception_for_predicate_without_parameters
exception = assert_raise(ArgumentError) { @record.state? }
assert_match /wrong number of arguments .*\(1 for 2\)/, exception.message
end
def test_should_return_false_for_predicate_if_does_not_match_current_value
assert !@record.state?(:idling)
end
def test_should_return_true_for_predicate_if_matches_current_value
assert @record.state?(:parked)
end
def test_should_raise_exception_for_predicate_if_invalid_state_specified
assert_raise(IndexError) { @record.state?(:invalid) }
end
end
class MachineWithNonColumnStateAttributeUndefinedTest < BaseTestCase
def setup
@resource = new_resource do
def initialize
# Skip attribute initialization
@initialized_state_machines = true
super
end
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => 'parked')
@record = @resource.new
end
def test_should_define_a_new_property_for_the_attribute
assert_not_nil @resource.properties[:status]
end
def test_should_define_a_reader_attribute_for_the_attribute
assert @record.respond_to?(:status)
end
def test_should_define_a_writer_attribute_for_the_attribute
assert @record.respond_to?(:status=)
end
def test_should_define_an_attribute_predicate
assert @record.respond_to?(:status?)
end
end
class MachineWithNonColumnStateAttributeDefinedTest < BaseTestCase
def setup
@resource = new_resource do
attr_accessor :status
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@machine.other_states(:idling)
@record = @resource.new
end
def test_should_return_false_for_predicate_if_does_not_match_current_value
assert !@record.status?(:idling)
end
def test_should_return_true_for_predicate_if_matches_current_value
assert @record.status?(:parked)
end
def test_should_raise_exception_for_predicate_if_invalid_state_specified
assert_raise(IndexError) { @record.status?(:invalid) }
end
def test_should_set_initial_state_on_created_object
assert_equal 'parked', @record.status
end
end
class MachineWithInitializedStateTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.state :idling
end
def test_should_allow_nil_initial_state_when_static
@machine.state nil
record = @resource.new(:state => nil)
assert_nil record.state
end
def test_should_allow_nil_initial_state_when_dynamic
@machine.state nil
@machine.initial_state = lambda {:parked}
record = @resource.new(:state => nil)
assert_nil record.state
end
def test_should_allow_different_initial_state_when_static
record = @resource.new(:state => 'idling')
assert_equal 'idling', record.state
end
def test_should_allow_different_initial_state_when_dynamic
@machine.initial_state = lambda {:parked}
record = @resource.new(:state => 'idling')
assert_equal 'idling', record.state
end
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.9.8')
def test_should_raise_exception_if_protected
resource = new_resource do
protected :state=
end
machine = StateMachine::Machine.new(resource, :initial => :parked)
machine.state :idling
assert_raise(ArgumentError) { resource.new(:state => 'idling') }
end
end
end
class MachineMultipleTest < BaseTestCase
def setup
@resource = new_resource do
property :status, String
end
@state_machine = StateMachine::Machine.new(@resource, :initial => :parked)
@status_machine = StateMachine::Machine.new(@resource, :status, :initial => :idling)
end
def test_should_should_initialize_each_state
record = @resource.new
assert_equal 'parked', record.state
assert_equal 'idling', record.status
end
end
class MachineWithLoopbackTest < BaseTestCase
def setup
@resource = new_resource do
property :updated_at, DateTime
# Simulate dm-timestamps
before :update do
return unless dirty?
self.updated_at = DateTime.now
end
end
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.event :park
@record = @resource.create(:updated_at => Time.now - 1)
@transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
@timestamp = @record.updated_at
@transition.perform
end
def test_should_not_update_record
assert_equal @timestamp, @record.updated_at
end
end
class MachineWithDirtyAttributesTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.event :ignite
@machine.state :idling
@record = @resource.create
@transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
@transition.perform(false)
end
def test_should_include_state_in_changed_attributes
assert_equal({@resource.properties[:state] => 'idling'}, @record.dirty_attributes)
end
def test_should_track_attribute_change
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.0')
assert_equal({@resource.properties[:state] => 'parked'}, @record.original_attributes)
else
assert_equal({:state => 'parked'}, @record.original_values)
end
end
def test_should_not_reset_changes_on_multiple_transitions
transition = StateMachine::Transition.new(@record, @machine, :ignite, :idling, :idling)
transition.perform(false)
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.0')
assert_equal({@resource.properties[:state] => 'parked'}, @record.original_attributes)
else
assert_equal({:state => 'parked'}, @record.original_values)
end
end
def test_should_not_have_changes_when_loaded_from_database
record = @resource.get(@record.id)
assert record.dirty_attributes.empty?
end
end
class MachineWithDirtyAttributesDuringLoopbackTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.event :park
@record = @resource.create
@transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
@transition.perform(false)
end
def test_should_not_include_state_in_changed_attributes
assert_equal({}, @record.dirty_attributes)
end
end
class MachineWithDirtyAttributesAndCustomAttributeTest < BaseTestCase
def setup
@resource = new_resource do
property :status, String
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@machine.event :ignite
@machine.state :idling
@record = @resource.create
@transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
@transition.perform(false)
end
def test_should_include_state_in_changed_attributes
assert_equal({@resource.properties[:status] => 'idling'}, @record.dirty_attributes)
end
def test_should_track_attribute_change
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.0')
assert_equal({@resource.properties[:status] => 'parked'}, @record.original_attributes)
else
assert_equal({:status => 'parked'}, @record.original_values)
end
end
def test_should_not_reset_changes_on_multiple_transitions
transition = StateMachine::Transition.new(@record, @machine, :ignite, :idling, :idling)
transition.perform(false)
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.0')
assert_equal({@resource.properties[:status] => 'parked'}, @record.original_attributes)
else
assert_equal({:status => 'parked'}, @record.original_values)
end
end
end
class MachineWithDirtyAttributeAndCustomAttributesDuringLoopbackTest < BaseTestCase
def setup
@resource = new_resource do
property :status, String
end
@machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
@machine.event :park
@record = @resource.create
@transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
@transition.perform(false)
end
def test_should_not_include_state_in_changed_attributes
assert_equal({}, @record.dirty_attributes)
end
end
class MachineWithDirtyAttributeAndStateEventsTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :initial => :parked)
@machine.event :ignite
@record = @resource.create
@record.state_event = 'ignite'
end
def test_should_not_include_state_in_changed_attributes
assert_equal({}, @record.dirty_attributes)
end
def test_should_not_track_attribute_change
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.0')
assert_equal({}, @record.original_attributes)
else
assert_equal({}, @record.original_values)
end
end
end
class MachineWithoutTransactionsTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :use_transactions => false)
end
def test_should_not_rollback_transaction_if_false
@machine.within_transaction(@resource.new) do
@resource.create
false
end
assert_equal 1, @resource.all.size
end
def test_should_not_rollback_transaction_if_true
@machine.within_transaction(@resource.new) do
@resource.create
true
end
assert_equal 1, @resource.all.size
end
end
begin
if Gem::Version.new(::DataMapper::VERSION) >= Gem::Version.new('0.10.3')
require 'dm-transactions'
end
class MachineWithTransactionsTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource, :use_transactions => true)
end
def test_should_rollback_transaction_if_false
@machine.within_transaction(@resource.new) do
@resource.create
false
end
assert_equal 0, @resource.all.size
end
def test_should_not_rollback_transaction_if_true
@machine.within_transaction(@resource.new) do
@resource.create
true
end
assert_equal 1, @resource.all.size
end
end
rescue LoadError
$stderr.puts "Skipping DataMapper Transaction tests."
end
class MachineWithCallbacksTest < BaseTestCase
def setup
@resource = new_resource
@machine = StateMachine::Machine.new(@resource)
@machine.state :parked, :idling
@machine.event :ignite
@record = @resource.new(:state => 'parked')
@transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
end
def test_should_run_before_callbacks
called = false
@machine.before_transition {called = true}
@transition.perform
assert called
end
def test_should_pass_transition_to_before_callbacks_with_one_argument
transition = nil
@machine.before_transition {|arg| transition = arg}
@transition.perform
assert_equal @transition, transition
end
def test_should_pass_transition_to_before_callbacks_with_multiple_arguments
callback_args = nil
@machine.before_transition {|*args| callback_args = args}
@transition.perform
assert_equal [@transition], callback_args
end
def test_should_run_before_callbacks_within_the_context_of_the_record
context = nil
@machine.before_transition {context = self}
@transition.perform
assert_equal @record, context
end
def test_should_run_after_callbacks
called = false
@machine.after_transition {called = true}
@transition.perform
assert called
end
def test_should_pass_transition_to_after_callbacks_with_multiple_arguments
callback_args = nil
@machine.after_transition {|*args| callback_args = args}
@transition.perform
assert_equal [@transition], callback_args
end
def test_should_run_after_callbacks_with_the_context_of_the_record
context = nil
@machine.after_transition {context = self}
@transition.perform
assert_equal @record, context
end
def test_should_run_around_callbacks
before_called = false
after_called = [false]
@machine.around_transition {|block| before_called = true; block.call; after_called[0] = true}
@transition.perform
assert before_called
assert after_called[0]
end
def test_should_run_around_callbacks_with_the_context_of_the_record
context = nil
@machine.around_transition {|block| context = self; block.call}
@transition.perform
assert_equal @record, context
end
def test_should_allow_symbolic_callbacks
callback_args = nil
klass = class << @record; self; end
klass.send(:define_method, :after_ignite) do |*args|
callback_args = args
end
@machine.before_transition(:after_ignite)
@transition.perform
assert_equal [@transition], callback_args
end
def test_should_allow_string_callbacks
class << @record
attr_reader :callback_result
end
@machine.before_transition('@callback_result = [1, 2, 3]')
@transition.perform
assert_equal [1, 2, 3], @record.callback_result
end
end
class MachineWithFailedBeforeCallbacksTest < BaseTestCase
def setup
callbacks = []
@resource = new_resource
@machine = StateMachine::Machine.new(@resource)
@machine.state :parked, :idling
@machine.event :ignite
@machine.before_transition {callbacks << :before_1; throw :halt}
@machine.before_transition {callbacks << :before_2}
@machine.after_transition {callbacks << :after}
@machine.around_transition {|block| callbacks << :around_before; block.call; callbacks << :around_after}
@record = @resource.new(:state => 'parked')
@transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
@result = @transition.perform
@callbacks = callbacks
end