summaryrefslogtreecommitdiff
path: root/spec/unit/resource_spec.rb
blob: b9ba80068b1b340a72cb6813841e64c1f89f4312 (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Christopher Walters (<cw@opscode.com>)
# Author:: Tim Hinderliter (<tim@opscode.com>)
# Author:: Seth Chisamore (<schisamo@opscode.com>)
# Copyright:: Copyright (c) 2008-2011 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'spec_helper'

describe Chef::Resource do
  before(:each) do
    @cookbook_repo_path =  File.join(CHEF_SPEC_DATA, 'cookbooks')
    @cookbook_collection = Chef::CookbookCollection.new(Chef::CookbookLoader.new(@cookbook_repo_path))
    @node = Chef::Node.new
    @events = Chef::EventDispatch::Dispatcher.new
    @run_context = Chef::RunContext.new(@node, @cookbook_collection, @events)
    @resource = Chef::Resource.new("funk", @run_context)
  end

  it "should mixin shell_out" do
    expect(@resource.respond_to?(:shell_out)).to be true
  end

  it "should mixin shell_out!" do
    expect(@resource.respond_to?(:shell_out!)).to be true
  end

  it "should mixin shell_out_with_systems_locale" do
    expect(@resource.respond_to?(:shell_out_with_systems_locale)).to be true
  end

  describe "when inherited" do

    it "adds an entry to a list of subclasses" do
      subclass = Class.new(Chef::Resource)
      expect(Chef::Resource.resource_classes).to include(subclass)
    end

    it "keeps track of subclasses of subclasses" do
      subclass = Class.new(Chef::Resource)
      subclass_of_subclass = Class.new(subclass)
      expect(Chef::Resource.resource_classes).to include(subclass_of_subclass)
    end

  end

  describe "when declaring the identity attribute" do
    it "has :name as identity attribute by default" do
      expect(Chef::Resource.identity_attr).to eq(:name)
    end

    it "sets an identity attribute" do
      resource_class = Class.new(Chef::Resource)
      resource_class.identity_attr(:path)
      expect(resource_class.identity_attr).to eq(:path)
    end

    it "inherits an identity attribute from a superclass" do
      resource_class = Class.new(Chef::Resource)
      resource_subclass = Class.new(resource_class)
      resource_class.identity_attr(:package_name)
      expect(resource_subclass.identity_attr).to eq(:package_name)
    end

    it "overrides the identity attribute from a superclass when the identity attr is set" do
      resource_class = Class.new(Chef::Resource)
      resource_subclass = Class.new(resource_class)
      resource_class.identity_attr(:package_name)
      resource_subclass.identity_attr(:something_else)
      expect(resource_subclass.identity_attr).to eq(:something_else)
    end
  end

  describe "when no identity attribute has been declared" do
    before do
      @resource_sans_id = Chef::Resource.new("my-name")
    end

    # Would rather force identity attributes to be set for everything,
    # but that's not plausible for back compat reasons.
    it "uses the name as the identity" do
      expect(@resource_sans_id.identity).to eq("my-name")
    end
  end

  describe "when an identity attribute has been declared" do
    before do
      @file_resource_class = Class.new(Chef::Resource) do
        identity_attr :path
        attr_accessor :path
      end

      @file_resource = @file_resource_class.new("identity-attr-test")
      @file_resource.path = "/tmp/foo.txt"
    end

    it "gives the value of its identity attribute" do
      expect(@file_resource.identity).to eq("/tmp/foo.txt")
    end
  end

  describe "when declaring state attributes" do
    it "has no state_attrs by default" do
      expect(Chef::Resource.state_attrs).to be_empty
    end

    it "sets a list of state attributes" do
      resource_class = Class.new(Chef::Resource)
      resource_class.state_attrs(:checksum, :owner, :group, :mode)
      expect(resource_class.state_attrs).to match_array([:checksum, :owner, :group, :mode])
    end

    it "inherits state attributes from the superclass" do
      resource_class = Class.new(Chef::Resource)
      resource_subclass = Class.new(resource_class)
      resource_class.state_attrs(:checksum, :owner, :group, :mode)
      expect(resource_subclass.state_attrs).to match_array([:checksum, :owner, :group, :mode])
    end

    it "combines inherited state attributes with non-inherited state attributes" do
      resource_class = Class.new(Chef::Resource)
      resource_subclass = Class.new(resource_class)
      resource_class.state_attrs(:checksum, :owner)
      resource_subclass.state_attrs(:group, :mode)
      expect(resource_subclass.state_attrs).to match_array([:checksum, :owner, :group, :mode])
    end

  end

  describe "when a set of state attributes has been declared" do
    before do
      @file_resource_class = Class.new(Chef::Resource) do

        state_attrs :checksum, :owner, :group, :mode

        attr_accessor :checksum
        attr_accessor :owner
        attr_accessor :group
        attr_accessor :mode
      end

      @file_resource = @file_resource_class.new("describe-state-test")
      @file_resource.checksum = "abc123"
      @file_resource.owner = "root"
      @file_resource.group = "wheel"
      @file_resource.mode = "0644"
    end

    it "describes its state" do
      resource_state = @file_resource.state
      expect(resource_state.keys).to match_array([:checksum, :owner, :group, :mode])
      expect(resource_state[:checksum]).to eq("abc123")
      expect(resource_state[:owner]).to eq("root")
      expect(resource_state[:group]).to eq("wheel")
      expect(resource_state[:mode]).to eq("0644")
    end
  end

  describe "load_from" do
    before(:each) do
      @prior_resource = Chef::Resource.new("funk")
      @prior_resource.supports(:funky => true)
      @prior_resource.source_line
      @prior_resource.allowed_actions << :funkytown
      @prior_resource.action(:funkytown)
      @resource.allowed_actions << :funkytown
      @run_context.resource_collection << @prior_resource
    end

    it "should load the attributes of a prior resource" do
      @resource.load_from(@prior_resource)
      expect(@resource.supports).to eq({ :funky => true })
    end

    it "should not inherit the action from the prior resource" do
      @resource.load_from(@prior_resource)
      expect(@resource.action).not_to eq(@prior_resource.action)
    end
  end

  describe "name" do
    it "should have a name" do
      expect(@resource.name).to eql("funk")
    end

    it "should let you set a new name" do
      @resource.name "monkey"
      expect(@resource.name).to eql("monkey")
    end

    it "coerces arrays to names" do
      expect(@resource.name ['a', 'b']).to eql('a, b')
    end

    it "should coerce objects to a string" do
      expect(@resource.name Object.new).to be_a(String)
    end
  end

  describe "noop" do
    it "should accept true or false for noop" do
      expect { @resource.noop true }.not_to raise_error
      expect { @resource.noop false }.not_to raise_error
      expect { @resource.noop "eat it" }.to raise_error(ArgumentError)
    end
  end

  describe "notifies" do
    it "should make notified resources appear in the actions hash" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee")
      expect(@resource.delayed_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}).not_to be_nil
    end

    it "should make notified resources be capable of acting immediately" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee"), :immediate
      expect(@resource.immediate_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}).not_to be_nil
    end

    it "should raise an exception if told to act in other than :delay or :immediate(ly)" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      expect {
        @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee"), :someday
      }.to raise_error(ArgumentError)
    end

    it "should allow multiple notified resources appear in the actions hash" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee")
      expect(@resource.delayed_notifications.detect{|e| e.resource.name == "coffee" && e.action == :reload}).not_to be_nil

      @run_context.resource_collection << Chef::Resource::ZenMaster.new("beans")
      @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "beans")
      expect(@resource.delayed_notifications.detect{|e| e.resource.name == "beans" && e.action == :reload}).not_to be_nil
    end

    it "creates a notification for a resource that is not yet in the resource collection" do
      @resource.notifies(:restart, :service => 'apache')
      expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource)
      expect(@resource.delayed_notifications).to include(expected_notification)
    end

    it "notifies another resource immediately" do
      @resource.notifies_immediately(:restart, :service => 'apache')
      expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource)
      expect(@resource.immediate_notifications).to include(expected_notification)
    end

    it "notifies a resource to take action at the end of the chef run" do
      @resource.notifies_delayed(:restart, :service => "apache")
      expected_notification = Chef::Resource::Notification.new({:service => "apache"}, :restart, @resource)
      expect(@resource.delayed_notifications).to include(expected_notification)
    end

    it "notifies a resource with an array for its name via its prettified string name" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new(["coffee", "tea"])
      @resource.notifies :reload, @run_context.resource_collection.find(:zen_master => "coffee, tea")
      expect(@resource.delayed_notifications.detect{|e| e.resource.name == "coffee, tea" && e.action == :reload}).not_to be_nil
    end
  end

  describe "subscribes" do
    it "should make resources appear in the actions hash of subscribed nodes" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      zr = @run_context.resource_collection.find(:zen_master => "coffee")
      @resource.subscribes :reload, zr
      expect(zr.delayed_notifications.detect{|e| e.resource.name == "funk" && e.action == :reload}).not_to be_nil
    end

    it "should make resources appear in the actions hash of subscribed nodes" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      zr = @run_context.resource_collection.find(:zen_master => "coffee")
      @resource.subscribes :reload, zr
      expect(zr.delayed_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}).not_to be_nil

      @run_context.resource_collection << Chef::Resource::ZenMaster.new("bean")
      zrb = @run_context.resource_collection.find(:zen_master => "bean")
      zrb.subscribes :reload, zr
      expect(zr.delayed_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}).not_to be_nil
    end

    it "should make subscribed resources be capable of acting immediately" do
      @run_context.resource_collection << Chef::Resource::ZenMaster.new("coffee")
      zr = @run_context.resource_collection.find(:zen_master => "coffee")
      @resource.subscribes :reload, zr, :immediately
      expect(zr.immediate_notifications.detect{|e| e.resource.name == @resource.name && e.action == :reload}).not_to be_nil
    end
  end

  describe "defined_at" do
    it "should correctly parse source_line on unix-like operating systems" do
      @resource.source_line = "/some/path/to/file.rb:80:in `wombat_tears'"
      expect(@resource.defined_at).to eq("/some/path/to/file.rb line 80")
    end

    it "should correctly parse source_line on Windows" do
      @resource.source_line = "C:/some/path/to/file.rb:80 in 1`wombat_tears'"
      expect(@resource.defined_at).to eq("C:/some/path/to/file.rb line 80")
    end

    it "should include the cookbook and recipe when it knows it" do
      @resource.source_line = "/some/path/to/file.rb:80:in `wombat_tears'"
      @resource.recipe_name = "wombats"
      @resource.cookbook_name = "animals"
      expect(@resource.defined_at).to eq("animals::wombats line 80")
    end

    it "should recognize dynamically defined resources" do
      expect(@resource.defined_at).to eq("dynamically defined")
    end
  end

  describe "to_s" do
    it "should become a string like resource_name[name]" do
      zm = Chef::Resource::ZenMaster.new("coffee")
      expect(zm.to_s).to eql("zen_master[coffee]")
    end
  end

  describe "self.resource_name" do
    context "When resource_name is not set" do
      it "and there are no provides lines, resource_name is nil" do
        c = Class.new(Chef::Resource) do
        end

        r = c.new('hi')
        r.declared_type = :d
        expect(c.resource_name).to be_nil
        expect(r.resource_name).to be_nil
        expect(r.declared_type).to eq :d
      end

      it "and there are no provides lines, @resource_name is used" do
        c = Class.new(Chef::Resource) do
          def initialize(*args, &block)
            @resource_name = :blah
            super
          end
        end

        r = c.new('hi')
        r.declared_type = :d
        expect(c.resource_name).to be_nil
        expect(r.resource_name).to eq :blah
        expect(r.declared_type).to eq :d
      end

      it "and the resource class gets a late-bound name, resource_name is nil" do
        c = Class.new(Chef::Resource) do
          def self.name
            "ResourceSpecNameTest"
          end
        end

        r = c.new('hi')
        r.declared_type = :d
        expect(c.resource_name).to be_nil
        expect(r.resource_name).to be_nil
        expect(r.declared_type).to eq :d
      end
    end

    it "resource_name without provides is honored" do
      c = Class.new(Chef::Resource) do
        resource_name 'blah'
      end

      r = c.new('hi')
      r.declared_type = :d
      expect(c.resource_name).to eq :blah
      expect(r.resource_name).to eq :blah
      expect(r.declared_type).to eq :d
    end
    it "setting class.resource_name with 'resource_name = blah' overrides declared_type" do
      c = Class.new(Chef::Resource) do
        provides :self_resource_name_test_2
      end
      c.resource_name = :blah

      r = c.new('hi')
      r.declared_type = :d
      expect(c.resource_name).to eq :blah
      expect(r.resource_name).to eq :blah
      expect(r.declared_type).to eq :d
    end
    it "setting class.resource_name with 'resource_name blah' overrides declared_type" do
      c = Class.new(Chef::Resource) do
        resource_name :blah
        provides :self_resource_name_test_3
      end

      r = c.new('hi')
      r.declared_type = :d
      expect(c.resource_name).to eq :blah
      expect(r.resource_name).to eq :blah
      expect(r.declared_type).to eq :d
    end
  end

  describe "is" do
    it "should return the arguments passed with 'is'" do
      zm = Chef::Resource::ZenMaster.new("coffee")
      expect(zm.is("one", "two", "three")).to eq(%w|one two three|)
    end

    it "should allow arguments preceded by is to methods" do
      @resource.noop(@resource.is(true))
      expect(@resource.noop).to eql(true)
    end
  end

  describe "to_json" do
    it "should serialize to json" do
      json = @resource.to_json
      expect(json).to match(/json_class/)
      expect(json).to match(/instance_vars/)
    end

    include_examples "to_json equivalent to Chef::JSONCompat.to_json" do
      let(:jsonable) { @resource }
    end
  end

  describe "to_hash" do
    it "should convert to a hash" do
      hash = @resource.to_hash
      expected_keys = [ :allowed_actions, :params, :provider, :updated,
        :updated_by_last_action, :before, :supports,
        :noop, :ignore_failure, :name, :source_line,
        :action, :retries, :retry_delay, :elapsed_time,
        :default_guard_interpreter, :guard_interpreter, :sensitive ]
      expect(hash.keys - expected_keys).to eq([])
      expect(expected_keys - hash.keys).to eq([])
      expect(hash[:name]).to eql("funk")
    end
  end

  describe "self.json_create" do
    it "should deserialize itself from json" do
      json = Chef::JSONCompat.to_json(@resource)
      serialized_node = Chef::JSONCompat.from_json(json)
      expect(serialized_node).to be_a_kind_of(Chef::Resource)
      expect(serialized_node.name).to eql(@resource.name)
    end
  end

  describe "supports" do
    it "should allow you to set what features this resource supports" do
      support_hash = { :one => :two }
      @resource.supports(support_hash)
      expect(@resource.supports).to eql(support_hash)
    end

    it "should return the current value of supports" do
      expect(@resource.supports).to eq({})
    end
  end

  describe "ignore_failure" do
    it "should default to throwing an error if a provider fails for a resource" do
      expect(@resource.ignore_failure).to eq(false)
    end

    it "should allow you to set whether a provider should throw exceptions with ignore_failure" do
      @resource.ignore_failure(true)
      expect(@resource.ignore_failure).to eq(true)
    end

    it "should allow you to epic_fail" do
      @resource.epic_fail(true)
      expect(@resource.epic_fail).to eq(true)
    end
  end

  describe "retries" do
    before do
      @retriable_resource = Chef::Resource::Cat.new("precious", @run_context)
      @retriable_resource.provider = Chef::Provider::SnakeOil
      @retriable_resource.action = :purr

      @node.automatic_attrs[:platform] = "fubuntu"
      @node.automatic_attrs[:platform_version] = '10.04'
    end

    it "should default to not retrying if a provider fails for a resource" do
      expect(@retriable_resource.retries).to eq(0)
    end

    it "should allow you to set how many retries a provider should attempt after a failure" do
      @retriable_resource.retries(2)
      expect(@retriable_resource.retries).to eq(2)
    end

    it "should default to a retry delay of 2 seconds" do
      expect(@retriable_resource.retry_delay).to eq(2)
    end

    it "should allow you to set the retry delay" do
      @retriable_resource.retry_delay(10)
      expect(@retriable_resource.retry_delay).to eq(10)
    end

    it "should keep given value of retries intact after the provider fails for a resource" do
      @retriable_resource.retries(3)
      @retriable_resource.retry_delay(0) # No need to wait.

      provider = Chef::Provider::SnakeOil.new(@retriable_resource, @run_context)
      allow(Chef::Provider::SnakeOil).to receive(:new).and_return(provider)
      allow(provider).to receive(:action_purr).and_raise

      expect(@retriable_resource).to receive(:sleep).exactly(3).times
      expect { @retriable_resource.run_action(:purr) }.to raise_error
      expect(@retriable_resource.retries).to eq(3)
    end
  end

  describe "setting the base provider class for the resource" do

    it "defaults to Chef::Provider for the base class" do
      expect(Chef::Resource.provider_base).to eq(Chef::Provider)
    end

    it "allows the base provider to be overridden" do
      Chef::Config.treat_deprecation_warnings_as_errors(false)
      class OverrideProviderBaseTest < Chef::Resource
        provider_base Chef::Provider::Package
      end

      expect(OverrideProviderBaseTest.provider_base).to eq(Chef::Provider::Package)
    end

    it "warns when setting provider_base" do
      expect {
        class OverrideProviderBaseTest2 < Chef::Resource
          provider_base Chef::Provider::Package
        end
      }.to raise_error(Chef::Exceptions::DeprecatedFeatureError)
    end

  end

  it "runs an action by finding its provider, loading the current resource and then running the action" do
    skip
  end

  describe "when updated by a provider" do
    before do
      @resource.updated_by_last_action(true)
    end

    it "records that it was updated" do
      expect(@resource).to be_updated
    end

    it "records that the last action updated the resource" do
      expect(@resource).to be_updated_by_last_action
    end

    describe "and then run again without being updated" do
      before do
        @resource.updated_by_last_action(false)
      end

      it "reports that it is updated" do
        expect(@resource).to be_updated
      end

      it "reports that it was not updated by the last action" do
        expect(@resource).not_to be_updated_by_last_action
      end

    end

  end

  describe "when invoking its action" do
    before do
      @resource = Chef::Resource.new("provided", @run_context)
      @resource.provider = Chef::Provider::SnakeOil
      @node.automatic_attrs[:platform] = "fubuntu"
      @node.automatic_attrs[:platform_version] = '10.04'
    end

    it "does not run only_if if no only_if command is given" do
      expect_any_instance_of(Chef::Resource::Conditional).not_to receive(:evaluate)
      @resource.only_if.clear
      @resource.run_action(:purr)
    end

    it "runs runs an only_if when one is given" do
      snitch_variable = nil
      @resource.only_if { snitch_variable = true }
      expect(@resource.only_if.first.positivity).to eq(:only_if)
      #Chef::Mixin::Command.should_receive(:only_if).with(true, {}).and_return(false)
      @resource.run_action(:purr)
      expect(snitch_variable).to be_truthy
    end

    it "runs multiple only_if conditionals" do
      snitch_var1, snitch_var2 = nil, nil
      @resource.only_if { snitch_var1 = 1 }
      @resource.only_if { snitch_var2 = 2 }
      @resource.run_action(:purr)
      expect(snitch_var1).to eq(1)
      expect(snitch_var2).to eq(2)
    end

    it "accepts command options for only_if conditionals" do
      expect_any_instance_of(Chef::Resource::Conditional).to receive(:evaluate_command).at_least(1).times
      @resource.only_if("true", :cwd => '/tmp')
      expect(@resource.only_if.first.command_opts).to eq({:cwd => '/tmp'})
      @resource.run_action(:purr)
    end

    it "runs not_if as a command when it is a string" do
      expect_any_instance_of(Chef::Resource::Conditional).to receive(:evaluate_command).at_least(1).times
      @resource.not_if "pwd"
      @resource.run_action(:purr)
    end

    it "runs not_if as a block when it is a ruby block" do
      expect_any_instance_of(Chef::Resource::Conditional).to receive(:evaluate_block).at_least(1).times
      @resource.not_if { puts 'foo' }
      @resource.run_action(:purr)
    end

    it "does not run not_if if no not_if command is given" do
      expect_any_instance_of(Chef::Resource::Conditional).not_to receive(:evaluate)
      @resource.not_if.clear
      @resource.run_action(:purr)
    end

    it "accepts command options for not_if conditionals" do
      @resource.not_if("pwd" , :cwd => '/tmp')
      expect(@resource.not_if.first.command_opts).to eq({:cwd => '/tmp'})
    end

    it "accepts multiple not_if conditionals" do
      snitch_var1, snitch_var2 = true, true
      @resource.not_if {snitch_var1 = nil}
      @resource.not_if {snitch_var2 = false}
      @resource.run_action(:purr)
      expect(snitch_var1).to be_nil
      expect(snitch_var2).to be_falsey
    end

    it "reports 0 elapsed time if actual elapsed time is < 0" do
      expected = Time.now
      allow(Time).to receive(:now).and_return(expected, expected - 1)
      @resource.run_action(:purr)
      expect(@resource.elapsed_time).to eq(0)
    end

    describe "guard_interpreter attribute" do
      let(:resource) { @resource }

      it "should be set to :default by default" do
        expect(resource.guard_interpreter).to eq(:default)
      end

      it "if set to :default should return :default when read" do
        resource.guard_interpreter(:default)
        expect(resource.guard_interpreter).to eq(:default)
      end

      it "should raise Chef::Exceptions::ValidationFailed on an attempt to set the guard_interpreter attribute to something other than a Symbol" do
        expect { resource.guard_interpreter('command_dot_com') }.to raise_error(Chef::Exceptions::ValidationFailed)
      end

      it "should not raise an exception when setting the guard interpreter attribute to a Symbol" do
        allow(Chef::GuardInterpreter::ResourceGuardInterpreter).to receive(:new).and_return(nil)
        expect { resource.guard_interpreter(:command_dot_com) }.not_to raise_error
      end
    end
  end

  describe "should_skip?" do
    before do
      @resource = Chef::Resource::Cat.new("sugar", @run_context)
    end

    it "should return false by default" do
      expect(@resource.should_skip?(:purr)).to be_falsey
    end

    it "should return false when only_if is met" do
      @resource.only_if { true }
      expect(@resource.should_skip?(:purr)).to be_falsey
    end

    it "should return true when only_if is not met" do
      @resource.only_if { false }
      expect(@resource.should_skip?(:purr)).to be_truthy
    end

    it "should return true when not_if is met" do
      @resource.not_if { true }
      expect(@resource.should_skip?(:purr)).to be_truthy
    end

    it "should return false when not_if is not met" do
      @resource.not_if { false }
      expect(@resource.should_skip?(:purr)).to be_falsey
    end

    it "should return true when only_if is met but also not_if is met" do
      @resource.only_if { true }
      @resource.not_if { true }
      expect(@resource.should_skip?(:purr)).to be_truthy
    end

    it "should return true when one of multiple only_if's is not met" do
      @resource.only_if { true }
      @resource.only_if { false }
      @resource.only_if { true }
      expect(@resource.should_skip?(:purr)).to be_truthy
    end

    it "should return true when one of multiple not_if's is met" do
      @resource.not_if { false }
      @resource.not_if { true }
      @resource.not_if { false }
      expect(@resource.should_skip?(:purr)).to be_truthy
    end

    it "should return true when action is :nothing" do
      expect(@resource.should_skip?(:nothing)).to be_truthy
    end

    it "should return true when action is :nothing ignoring only_if/not_if conditionals" do
      @resource.only_if { true }
      @resource.not_if { false }
      expect(@resource.should_skip?(:nothing)).to be_truthy
    end

    it "should print \"skipped due to action :nothing\" message for doc formatter when action is :nothing" do
      fdoc = Chef::Formatters.new(:doc, STDOUT, STDERR)
      allow(@run_context).to receive(:events).and_return(fdoc)
      expect(fdoc).to receive(:puts).with(" (skipped due to action :nothing)", anything())
      @resource.should_skip?(:nothing)
    end

  end

  describe "when resource action is :nothing" do
    before do
      @resource1 = Chef::Resource::Cat.new("sugar", @run_context)
      @resource1.action = :nothing

      @node.automatic_attrs[:platform] = "fubuntu"
      @node.automatic_attrs[:platform_version] = '10.04'
    end

    it "should not run only_if/not_if conditionals (CHEF-972)" do
      snitch_var1 = 0
      @resource1.only_if { snitch_var1 = 1 }
      @resource1.not_if { snitch_var1 = 2 }
      @resource1.run_action(:nothing)
      expect(snitch_var1).to eq(0)
    end

    it "should run only_if/not_if conditionals when notified to run another action (CHEF-972)" do
      snitch_var1 = snitch_var2 = 0
      @runner = Chef::Runner.new(@run_context)
      Chef::Platform.set(
        :resource => :cat,
        :provider => Chef::Provider::SnakeOil
      )

      @resource1.only_if { snitch_var1 = 1 }
      @resource1.not_if { snitch_var2 = 2 }
      @resource2 = Chef::Resource::Cat.new("coffee", @run_context)
      @resource2.notifies :purr, @resource1
      @resource2.action = :purr

      @run_context.resource_collection << @resource1
      @run_context.resource_collection << @resource2
      @runner.converge

      expect(snitch_var1).to eq(1)
      expect(snitch_var2).to eq(2)
    end
  end

  describe "building the platform map" do

    let(:klz) { Class.new(Chef::Resource) }

    before do
      Chef::Resource::Klz = klz
    end

    after do
      Chef::Resource.send(:remove_const, :Klz)
    end

    it 'adds mappings for a single platform' do
      expect(Chef.resource_handler_map).to receive(:set).with(
        :dinobot, Chef::Resource::Klz, { platform: ['autobots'] }
      )
      klz.provides :dinobot, platform: ['autobots']
    end

    it 'adds mappings for multiple platforms' do
      expect(Chef.resource_handler_map).to receive(:set).with(
        :energy, Chef::Resource::Klz, { platform: ['autobots', 'decepticons']}
      )
      klz.provides :energy, platform: ['autobots', 'decepticons']
    end

    it 'adds mappings for all platforms' do
      expect(Chef.resource_handler_map).to receive(:set).with(
        :tape_deck, Chef::Resource::Klz, {}
      )
      klz.provides :tape_deck
    end

  end

  describe "resource_for_node" do
    describe "lookups from the platform map" do
      let(:klz1) { Class.new(Chef::Resource) }

      before(:each) do
        Chef::Resource::Klz1 = klz1
        @node = Chef::Node.new
        @node.name("bumblebee")
        @node.automatic[:platform] = "autobots"
        @node.automatic[:platform_version] = "6.1"
        Object.const_set('Soundwave', klz1)
        klz1.provides :soundwave
      end

      after(:each) do
        Object.send(:remove_const, :Soundwave)
        Chef::Resource.send(:remove_const, :Klz1)
      end

      it "returns a resource by short_name if nothing else matches" do
        expect(Chef::Resource.resource_for_node(:soundwave, @node)).to eql(klz1)
      end
    end

    describe "lookups from the platform map" do
      let(:klz2) { Class.new(Chef::Resource) }

      before(:each) do
        Chef::Resource::Klz2 = klz2
        @node = Chef::Node.new
        @node.name("bumblebee")
        @node.automatic[:platform] = "autobots"
        @node.automatic[:platform_version] = "6.1"
        klz2.provides :dinobot, :platform => ['autobots']
        Object.const_set('Grimlock', klz2)
        klz2.provides :grimlock
      end

      after(:each) do
        Object.send(:remove_const, :Grimlock)
        Chef::Resource.send(:remove_const, :Klz2)
      end

      it "returns a resource by short_name and node" do
        expect(Chef::Resource.resource_for_node(:dinobot, @node)).to eql(klz2)
      end
    end

  end

  describe "when creating notifications" do

    describe "with a string resource spec" do

      it "creates a delayed notification when timing is not specified" do
        @resource.notifies(:run, "execute[foo]")
        expect(@run_context.delayed_notification_collection.size).to eq(1)
      end

      it "creates a delayed notification when :delayed is not specified" do
        @resource.notifies(:run, "execute[foo]", :delayed)
        expect(@run_context.delayed_notification_collection.size).to eq(1)
      end

      it "creates an immediate notification when :immediate is specified" do
        @resource.notifies(:run, "execute[foo]", :immediate)
        expect(@run_context.immediate_notification_collection.size).to eq(1)
      end

      it "creates an immediate notification when :immediately is specified" do
        @resource.notifies(:run, "execute[foo]", :immediately)
        expect(@run_context.immediate_notification_collection.size).to eq(1)
      end

      describe "with a syntax error in the resource spec" do

        it "raises an exception immmediately" do
          expect do
            @resource.notifies(:run, "typo[missing-closing-bracket")
          end.to raise_error(Chef::Exceptions::InvalidResourceSpecification)
        end
      end
    end

    describe "with a resource reference" do
      before do
        @notified_resource = Chef::Resource.new("punk", @run_context)
      end

      it "creates a delayed notification when timing is not specified" do
        @resource.notifies(:run, @notified_resource)
        expect(@run_context.delayed_notification_collection.size).to eq(1)
      end

      it "creates a delayed notification when :delayed is not specified" do
        @resource.notifies(:run, @notified_resource, :delayed)
        expect(@run_context.delayed_notification_collection.size).to eq(1)
      end

      it "creates an immediate notification when :immediate is specified" do
        @resource.notifies(:run, @notified_resource, :immediate)
        expect(@run_context.immediate_notification_collection.size).to eq(1)
      end

      it "creates an immediate notification when :immediately is specified" do
        @resource.notifies(:run, @notified_resource, :immediately)
        expect(@run_context.immediate_notification_collection.size).to eq(1)
      end
    end

  end

  describe "resource sensitive attribute" do

    before(:each) do
       @resource_file = Chef::Resource::File.new("/nonexistent/CHEF-5098/file", @run_context)
       @action = :create
    end

    def compiled_resource_data(resource, action, err)
      error_inspector = Chef::Formatters::ErrorInspectors::ResourceFailureInspector.new(resource, action, err)
      description = Chef::Formatters::ErrorDescription.new("test")
      error_inspector.add_explanation(description)
      Chef::Log.info("descrtiption: #{description.inspect},error_inspector: #{error_inspector}")
      description.sections[1]["Compiled Resource:"]
    end

    it "set to false by default" do
      expect(@resource.sensitive).to be_falsey
    end

    it "when set to false should show compiled resource for failed resource" do
      expect { @resource_file.run_action(@action) }.to raise_error { |err|
            expect(compiled_resource_data(@resource_file, @action, err)).to match 'path "/nonexistent/CHEF-5098/file"'
          }
    end

    it "when set to true should show compiled resource for failed resource" do
      @resource_file.sensitive true
      expect { @resource_file.run_action(@action) }.to raise_error { |err|
            expect(compiled_resource_data(@resource_file, @action, err)).to eql("suppressed sensitive resource output")
          }
    end

  end

  describe "#action" do
    let(:resource_class) do
      Class.new(described_class) do
        allowed_actions(%i{one two})
      end
    end
    let(:resource) { resource_class.new('test', nil) }
    subject { resource.action }

    context "with a no action" do
      it { is_expected.to eq [:nothing] }
    end

    context "with a default action" do
      let(:resource_class) do
        Class.new(described_class) do
          default_action(:one)
        end
      end
      it { is_expected.to eq [:one] }
    end

    context "with a symbol action" do
      before { resource.action(:one) }
      it { is_expected.to eq [:one] }
    end

    context "with a string action" do
      before { resource.action('two') }
      it { is_expected.to eq [:two] }
    end

    context "with an array action" do
      before { resource.action([:two, :one]) }
      it { is_expected.to eq [:two, :one] }
    end

    context "with an assignment" do
      before { resource.action = :one }
      it { is_expected.to eq [:one] }
    end

    context "with an array assignment" do
      before { resource.action = [:two, :one] }
      it { is_expected.to eq [:two, :one] }
    end

    context "with an invalid action" do
      it { expect { resource.action(:three) }.to raise_error Chef::Exceptions::ValidationFailed }
    end

    context "with an invalid assignment action" do
      it { expect { resource.action = :three }.to raise_error Chef::Exceptions::ValidationFailed }
    end
  end

  describe ".default_action" do
    let(:default_action) { }
    let(:resource_class) do
      actions = default_action
      Class.new(described_class) do
        default_action(actions) if actions
      end
    end
    subject { resource_class.default_action }

    context "with no default actions" do
      it { is_expected.to eq [:nothing] }
    end

    context "with a symbol default action" do
      let(:default_action) { :one }
      it { is_expected.to eq [:one] }
    end

    context "with a string default action" do
      let(:default_action) { 'one' }
      it { is_expected.to eq [:one] }
    end

    context "with an array default action" do
      let(:default_action) { [:two, :one] }
      it { is_expected.to eq [:two, :one] }
    end
  end
end