summaryrefslogtreecommitdiff
path: root/spec/models/snippet_spec.rb
blob: 4d6586c1df4d593cb53703c16d1d0b2e9571634b (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
# frozen_string_literal: true

require 'spec_helper'

describe Snippet do
  describe 'modules' do
    subject { described_class }

    it { is_expected.to include_module(Gitlab::VisibilityLevel) }
    it { is_expected.to include_module(Participable) }
    it { is_expected.to include_module(Referable) }
    it { is_expected.to include_module(Sortable) }
    it { is_expected.to include_module(Awardable) }
  end

  describe 'associations' do
    it { is_expected.to belong_to(:author).class_name('User') }
    it { is_expected.to belong_to(:project) }
    it { is_expected.to have_many(:notes).dependent(:destroy) }
    it { is_expected.to have_many(:award_emoji).dependent(:destroy) }
    it { is_expected.to have_many(:user_mentions).class_name("SnippetUserMention") }
    it { is_expected.to have_one(:snippet_repository) }
  end

  describe 'validation' do
    it { is_expected.to validate_presence_of(:author) }

    it { is_expected.to validate_presence_of(:title) }
    it { is_expected.to validate_length_of(:title).is_at_most(255) }

    it { is_expected.to validate_length_of(:file_name).is_at_most(255) }

    it { is_expected.to validate_presence_of(:content) }

    it { is_expected.to validate_inclusion_of(:visibility_level).in_array(Gitlab::VisibilityLevel.values) }

    it do
      allow(Gitlab::CurrentSettings).to receive(:snippet_size_limit).and_return(1)

      is_expected
        .to validate_length_of(:content)
              .is_at_most(Gitlab::CurrentSettings.snippet_size_limit)
              .with_message("is too long (2 Bytes). The maximum size is 1 Byte.")
    end

    context 'content validations' do
      context 'with existing snippets' do
        let(:snippet) { create(:personal_snippet, content: 'This is a valid content at the time of creation') }

        before do
          expect(snippet).to be_valid

          stub_application_setting(snippet_size_limit: 2)
        end

        it 'does not raise a validation error if the content is not changed' do
          snippet.title = 'new title'

          expect(snippet).to be_valid
        end

        it 'raises and error if the content is changed and the size is bigger than limit' do
          snippet.content = snippet.content + "test"

          expect(snippet).not_to be_valid
        end
      end

      context 'with new snippets' do
        let(:limit) { 15 }

        before do
          stub_application_setting(snippet_size_limit: limit)
        end

        it 'is valid when content is smaller than the limit' do
          snippet = build(:personal_snippet, content: 'Valid Content')

          expect(snippet).to be_valid
        end

        it 'raises error when content is bigger than setting limit' do
          snippet = build(:personal_snippet, content: 'This is an invalid content')

          aggregate_failures do
            expect(snippet).not_to be_valid
            expect(snippet.errors[:content]).to include("is too long (#{snippet.content.size} Bytes). The maximum size is #{limit} Bytes.")
          end
        end
      end
    end
  end

  describe '#to_reference' do
    context 'when snippet belongs to a project' do
      let(:project) { build(:project, name: 'sample-project') }
      let(:snippet) { build(:snippet, id: 1, project: project) }

      it 'returns a String reference to the object' do
        expect(snippet.to_reference).to eq "$1"
      end

      it 'supports a cross-project reference' do
        another_project = build(:project, name: 'another-project', namespace: project.namespace)
        expect(snippet.to_reference(another_project)).to eq "sample-project$1"
      end
    end

    context 'when snippet does not belong to a project' do
      let(:snippet) { build(:snippet, id: 1, project: nil) }

      it 'returns a String reference to the object' do
        expect(snippet.to_reference).to eq "$1"
      end

      it 'still returns shortest reference when project arg present' do
        another_project = build(:project, name: 'another-project')
        expect(snippet.to_reference(another_project)).to eq "$1"
      end
    end
  end

  describe '#file_name' do
    let(:project) { create(:project) }

    context 'file_name is nil' do
      let(:snippet) { create(:snippet, project: project, file_name: nil) }

      it 'returns an empty string' do
        expect(snippet.file_name).to eq ''
      end
    end

    context 'file_name is not nil' do
      let(:snippet) { create(:snippet, project: project, file_name: 'foo.txt') }

      it 'returns the file_name' do
        expect(snippet.file_name).to eq 'foo.txt'
      end
    end
  end

  describe "#content_html_invalidated?" do
    let(:snippet) { create(:snippet, content: "md", content_html: "html", file_name: "foo.md") }

    it "invalidates the HTML cache of content when the filename changes" do
      expect { snippet.file_name = "foo.rb" }.to change { snippet.content_html_invalidated? }.from(false).to(true)
    end
  end

  describe '.search' do
    let(:snippet) { create(:snippet, title: 'test snippet', description: 'description') }

    it 'returns snippets with a matching title' do
      expect(described_class.search(snippet.title)).to eq([snippet])
    end

    it 'returns snippets with a partially matching title' do
      expect(described_class.search(snippet.title[0..2])).to eq([snippet])
    end

    it 'returns snippets with a matching title regardless of the casing' do
      expect(described_class.search(snippet.title.upcase)).to eq([snippet])
    end

    it 'returns snippets with a matching file name' do
      expect(described_class.search(snippet.file_name)).to eq([snippet])
    end

    it 'returns snippets with a partially matching file name' do
      expect(described_class.search(snippet.file_name[0..2])).to eq([snippet])
    end

    it 'returns snippets with a matching file name regardless of the casing' do
      expect(described_class.search(snippet.file_name.upcase)).to eq([snippet])
    end

    it 'returns snippets with a matching description' do
      expect(described_class.search(snippet.description)).to eq([snippet])
    end
  end

  describe 'when default snippet visibility set to internal' do
    using RSpec::Parameterized::TableSyntax

    before do
      stub_application_setting(default_snippet_visibility: Gitlab::VisibilityLevel::INTERNAL)
    end

    where(:attribute_name, :value) do
      :visibility | 'private'
      :visibility_level | Gitlab::VisibilityLevel::PRIVATE
      'visibility' | 'private'
      'visibility_level' | Gitlab::VisibilityLevel::PRIVATE
    end

    with_them do
      it 'sets the visibility level' do
        snippet = described_class.new(attribute_name => value, title: 'test', file_name: 'test.rb', content: 'test data')

        expect(snippet.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
        expect(snippet.title).to eq('test')
        expect(snippet.file_name).to eq('test.rb')
        expect(snippet.content).to eq('test data')
      end
    end
  end

  describe '.with_optional_visibility' do
    context 'when a visibility level is provided' do
      it 'returns snippets with the given visibility' do
        create(:snippet, :private)

        snippet = create(:snippet, :public)
        snippets = described_class
          .with_optional_visibility(Gitlab::VisibilityLevel::PUBLIC)

        expect(snippets).to eq([snippet])
      end
    end

    context 'when a visibility level is not provided' do
      it 'returns all snippets' do
        snippet1 = create(:snippet, :public)
        snippet2 = create(:snippet, :private)
        snippets = described_class.with_optional_visibility

        expect(snippets).to include(snippet1, snippet2)
      end
    end
  end

  describe '.only_personal_snippets' do
    it 'returns snippets not associated with any projects' do
      create(:project_snippet)

      snippet = create(:snippet)
      snippets = described_class.only_personal_snippets

      expect(snippets).to eq([snippet])
    end
  end

  describe '.only_include_projects_visible_to' do
    let!(:project1) { create(:project, :public) }
    let!(:project2) { create(:project, :internal) }
    let!(:project3) { create(:project, :private) }
    let!(:snippet1) { create(:project_snippet, project: project1) }
    let!(:snippet2) { create(:project_snippet, project: project2) }
    let!(:snippet3) { create(:project_snippet, project: project3) }

    context 'when a user is provided' do
      it 'returns snippets visible to the user' do
        user = create(:user)

        snippets = described_class.only_include_projects_visible_to(user)

        expect(snippets).to include(snippet1, snippet2)
        expect(snippets).not_to include(snippet3)
      end
    end

    context 'when a user is not provided' do
      it 'returns snippets visible to anonymous users' do
        snippets = described_class.only_include_projects_visible_to

        expect(snippets).to include(snippet1)
        expect(snippets).not_to include(snippet2, snippet3)
      end
    end
  end

  describe 'only_include_projects_with_snippets_enabled' do
    context 'when the include_private option is enabled' do
      it 'includes snippets for projects with snippets set to private' do
        project = create(:project)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::PRIVATE)

        snippet = create(:project_snippet, project: project)

        snippets = described_class
          .only_include_projects_with_snippets_enabled(include_private: true)

        expect(snippets).to eq([snippet])
      end
    end

    context 'when the include_private option is not enabled' do
      it 'does not include snippets for projects that have snippets set to private' do
        project = create(:project)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::PRIVATE)

        create(:project_snippet, project: project)

        snippets = described_class.only_include_projects_with_snippets_enabled

        expect(snippets).to be_empty
      end
    end

    it 'includes snippets for projects with snippets enabled' do
      project = create(:project)

      project.project_feature
        .update(snippets_access_level: ProjectFeature::ENABLED)

      snippet = create(:project_snippet, project: project)
      snippets = described_class.only_include_projects_with_snippets_enabled

      expect(snippets).to eq([snippet])
    end
  end

  describe '.only_include_authorized_projects' do
    it 'only includes snippets for projects the user is authorized to see' do
      user = create(:user)
      project1 = create(:project, :private)
      project2 = create(:project, :private)

      project1.team.add_developer(user)

      create(:project_snippet, project: project2)

      snippet = create(:project_snippet, project: project1)
      snippets = described_class.only_include_authorized_projects(user)

      expect(snippets).to eq([snippet])
    end
  end

  describe '.for_project_with_user' do
    context 'when a user is provided' do
      it 'returns an empty collection if the user can not view the snippets' do
        project = create(:project, :private)
        user = create(:user)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::ENABLED)

        create(:project_snippet, :public, project: project)

        expect(described_class.for_project_with_user(project, user)).to be_empty
      end

      it 'returns the snippets if the user is a member of the project' do
        project = create(:project, :private)
        user = create(:user)
        snippet = create(:project_snippet, project: project)

        project.team.add_developer(user)

        snippets = described_class.for_project_with_user(project, user)

        expect(snippets).to eq([snippet])
      end

      it 'returns public snippets for a public project the user is not a member of' do
        project = create(:project, :public)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::ENABLED)

        user = create(:user)
        snippet = create(:project_snippet, :public, project: project)

        create(:project_snippet, :private, project: project)

        snippets = described_class.for_project_with_user(project, user)

        expect(snippets).to eq([snippet])
      end
    end

    context 'when a user is not provided' do
      it 'returns an empty collection for a private project' do
        project = create(:project, :private)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::ENABLED)

        create(:project_snippet, :public, project: project)

        expect(described_class.for_project_with_user(project)).to be_empty
      end

      it 'returns public snippets for a public project' do
        project = create(:project, :public)
        snippet = create(:project_snippet, :public, project: project)

        project.project_feature
          .update(snippets_access_level: ProjectFeature::PUBLIC)

        create(:project_snippet, :private, project: project)

        snippets = described_class.for_project_with_user(project)

        expect(snippets).to eq([snippet])
      end
    end
  end

  describe '.visible_to_or_authored_by' do
    it 'returns snippets visible to the user' do
      user = create(:user)
      snippet1 = create(:snippet, :public)
      snippet2 = create(:snippet, :private, author: user)
      snippet3 = create(:snippet, :private)

      snippets = described_class.visible_to_or_authored_by(user)

      expect(snippets).to include(snippet1, snippet2)
      expect(snippets).not_to include(snippet3)
    end
  end

  describe '#participants' do
    let(:project) { create(:project, :public) }
    let(:snippet) { create(:snippet, content: 'foo', project: project) }

    let!(:note1) do
      create(:note_on_project_snippet,
             noteable: snippet,
             project: project,
             note: 'a')
    end

    let!(:note2) do
      create(:note_on_project_snippet,
             noteable: snippet,
             project: project,
             note: 'b')
    end

    it 'includes the snippet author' do
      expect(snippet.participants).to include(snippet.author)
    end

    it 'includes the note authors' do
      expect(snippet.participants).to include(note1.author, note2.author)
    end
  end

  describe '#check_for_spam' do
    let(:snippet) { create :snippet, visibility_level: visibility_level }

    subject do
      snippet.assign_attributes(title: title)
      snippet.check_for_spam?
    end

    context 'when public and spammable attributes changed' do
      let(:visibility_level) { Snippet::PUBLIC }
      let(:title) { 'woo' }

      it 'returns true' do
        is_expected.to be_truthy
      end
    end

    context 'when private' do
      let(:visibility_level) { Snippet::PRIVATE }
      let(:title) { snippet.title }

      it 'returns false' do
        is_expected.to be_falsey
      end

      it 'returns true when switching to public' do
        snippet.save!
        snippet.visibility_level = Snippet::PUBLIC

        expect(snippet.check_for_spam?).to be_truthy
      end
    end

    context 'when spammable attributes have not changed' do
      let(:visibility_level) { Snippet::PUBLIC }
      let(:title) { snippet.title }

      it 'returns false' do
        is_expected.to be_falsey
      end
    end
  end

  describe '#blob' do
    let(:snippet) { create(:snippet) }

    it 'returns a blob representing the snippet data' do
      blob = snippet.blob

      expect(blob).to be_a(Blob)
      expect(blob.path).to eq(snippet.file_name)
      expect(blob.data).to eq(snippet.content)
    end
  end

  describe '#blobs' do
    let(:snippet) { create(:snippet) }

    context 'when repository does not exist' do
      it 'returns empty array' do
        expect(snippet.blobs).to be_empty
      end
    end

    context 'when repository exists' do
      let(:snippet) { create(:snippet, :repository) }

      it 'returns array of blobs' do
        expect(snippet.blobs).to all(be_a(Blob))
      end
    end

    it 'returns a blob representing the snippet data' do
      blob = snippet.blob

      expect(blob).to be_a(Blob)
      expect(blob.path).to eq(snippet.file_name)
      expect(blob.data).to eq(snippet.content)
    end
  end

  describe '#to_json' do
    let(:snippet) { build(:snippet) }

    it 'excludes secret_token from generated json' do
      expect(Gitlab::Json.parse(to_json).keys).not_to include("secret_token")
    end

    it 'does not override existing exclude option value' do
      expect(Gitlab::Json.parse(to_json(except: [:id])).keys).not_to include("secret_token", "id")
    end

    def to_json(params = {})
      snippet.to_json(params)
    end
  end

  describe '#storage' do
    let(:snippet) { create(:snippet) }

    it "stores snippet in #{Storage::Hashed::SNIPPET_REPOSITORY_PATH_PREFIX} dir" do
      expect(snippet.storage.disk_path).to start_with Storage::Hashed::SNIPPET_REPOSITORY_PATH_PREFIX
    end
  end

  describe '#track_snippet_repository' do
    let(:snippet) { create(:snippet) }
    let(:shard_name) { 'foo' }

    subject { snippet.track_snippet_repository(shard_name) }

    context 'when a snippet repository entry does not exist' do
      it 'creates a new entry' do
        expect { subject }.to change(snippet, :snippet_repository)
      end

      it 'tracks the snippet storage location' do
        subject

        expect(snippet.snippet_repository).to have_attributes(
          disk_path: snippet.disk_path,
          shard_name: shard_name
        )
      end
    end

    context 'when a tracking entry exists' do
      let!(:snippet) { create(:snippet, :repository) }
      let(:snippet_repository) { snippet.snippet_repository }
      let(:shard_name) { 'bar' }

      it 'does not create a new entry in the database' do
        expect { subject }.not_to change(snippet, :snippet_repository)
      end

      it 'updates the snippet storage location' do
        allow(snippet).to receive(:disk_path).and_return('fancy/new/path')

        subject

        expect(snippet.snippet_repository).to have_attributes(
          disk_path: 'fancy/new/path',
          shard_name: shard_name
        )
      end
    end
  end

  describe '#create_repository' do
    let(:snippet) { create(:snippet) }

    subject { snippet.create_repository }

    it 'creates the repository' do
      expect(snippet.repository).to receive(:after_create).and_call_original

      expect(subject).to be_truthy
      expect(snippet.repository.exists?).to be_truthy
    end

    it 'tracks snippet repository' do
      expect do
        subject
      end.to change(SnippetRepository, :count).by(1)
    end

    it 'sets same shard in snippet repository as in the repository storage' do
      expect(snippet).to receive(:repository_storage).and_return('picked')
      expect(snippet).to receive(:repository_exists?).and_return(false)
      expect(snippet.repository).to receive(:create_if_not_exists)

      subject

      expect(snippet.snippet_repository.shard_name).to eq 'picked'
    end

    context 'when repository exists' do
      let!(:snippet) { create(:snippet, :repository) }

      it 'does not try to create repository' do
        expect(snippet.repository).not_to receive(:after_create)

        expect(snippet.create_repository).to be_nil
      end

      context 'when snippet_repository exists' do
        it 'does not create a new snippet repository' do
          expect do
            snippet.create_repository
          end.not_to change(SnippetRepository, :count)
        end
      end

      context 'when snippet_repository does not exist' do
        it 'creates a snippet_repository' do
          snippet.snippet_repository.destroy
          snippet.reload

          expect do
            snippet.create_repository
          end.to change(SnippetRepository, :count).by(1)
        end
      end
    end
  end

  describe '#repository_storage' do
    let(:snippet) { create(:snippet) }

    subject { snippet.repository_storage }

    before do
      expect_next_instance_of(ApplicationSetting) do |instance|
        expect(instance).to receive(:pick_repository_storage).and_return('picked')
      end
    end

    it 'returns repository storage from ApplicationSetting' do
      expect(described_class).to receive(:pick_repository_storage).and_call_original

      expect(subject).to eq 'picked'
    end

    context 'when snippet_project is already created' do
      let!(:snippet_repository) { create(:snippet_repository, snippet: snippet) }

      before do
        allow(snippet_repository).to receive(:shard_name).and_return('foo')
      end

      it 'returns repository_storage from snippet_project' do
        expect(subject).to eq 'foo'
      end
    end
  end

  describe '#repository_size_checker' do
    subject { build(:personal_snippet) }

    let(:checker) { subject.repository_size_checker }
    let(:current_size) { 60 }

    before do
      allow(subject.repository).to receive(:size).and_return(current_size)
    end

    it 'sets up size checker', :aggregate_failures do
      expect(checker.current_size).to eq(current_size.megabytes)
      expect(checker.limit).to eq(Gitlab::CurrentSettings.snippet_size_limit)
      expect(checker.enabled?).to be_truthy
    end
  end

  describe '#can_cache_field?' do
    using RSpec::Parameterized::TableSyntax

    let(:snippet) { create(:snippet, file_name: file_name) }

    subject { snippet.can_cache_field?(field) }

    where(:field, :file_name, :result) do
      :title       | nil           | true
      :title       | 'foo.bar'     | true
      :description | nil           | true
      :description | 'foo.bar'     | true
      :content     | nil           | false
      :content     | 'bar.foo'     | false
      :content     | 'markdown.md' | true
    end

    with_them do
      it { is_expected.to eq result }
    end
  end

  describe '#url_to_repo' do
    subject { snippet.url_to_repo }

    context 'with personal snippet' do
      let(:snippet) { create(:personal_snippet) }

      it { is_expected.to eq(Gitlab.config.gitlab_shell.ssh_path_prefix + "snippets/#{snippet.id}.git") }
    end

    context 'with project snippet' do
      let(:snippet) { create(:project_snippet) }

      it { is_expected.to eq(Gitlab.config.gitlab_shell.ssh_path_prefix + "#{snippet.project.full_path}/snippets/#{snippet.id}.git") }
    end
  end

  describe '.max_file_limit' do
    subject { described_class.max_file_limit(nil) }

    it "returns #{Snippet::MAX_FILE_COUNT}" do
      expect(subject).to eq Snippet::MAX_FILE_COUNT
    end

    context 'when feature flag :snippet_multiple_files is disabled' do
      it "returns #{described_class::MAX_SINGLE_FILE_COUNT}" do
        stub_feature_flags(snippet_multiple_files: false)

        expect(subject).to eq described_class::MAX_SINGLE_FILE_COUNT
      end
    end
  end
end