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
|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Projects::ForkService do
include ProjectForksHelper
shared_examples 'forks count cache refresh' do
it 'flushes the forks count cache of the source project', :clean_gitlab_redis_cache do
expect(from_project.forks_count).to be_zero
fork_project(from_project, to_user, using_service: true)
BatchLoader::Executor.clear_current
expect(from_project.forks_count).to eq(1)
end
end
context 'when forking a new project' do
describe 'fork by user' do
before do
@from_user = create(:user)
@from_namespace = @from_user.namespace
avatar = fixture_file_upload("spec/fixtures/dk.png", "image/png")
@from_project = create(:project,
:repository,
creator_id: @from_user.id,
namespace: @from_namespace,
star_count: 107,
avatar: avatar,
description: 'wow such project')
@to_user = create(:user)
@to_namespace = @to_user.namespace
@from_project.add_user(@to_user, :developer)
end
context 'fork project' do
context 'when forker is a guest' do
before do
@guest = create(:user)
@from_project.add_user(@guest, :guest)
end
subject { fork_project(@from_project, @guest, using_service: true) }
it { is_expected.not_to be_persisted }
it { expect(subject.errors[:forked_from_project_id]).to eq(['is forbidden']) }
it 'does not create a fork network' do
expect { subject }.not_to change { @from_project.reload.fork_network }
end
end
it_behaves_like 'forks count cache refresh' do
let(:from_project) { @from_project }
let(:to_user) { @to_user }
end
describe "successfully creates project in the user namespace" do
let(:to_project) { fork_project(@from_project, @to_user, namespace: @to_user.namespace, using_service: true) }
it { expect(to_project).to be_persisted }
it { expect(to_project.errors).to be_empty }
it { expect(to_project.owner).to eq(@to_user) }
it { expect(to_project.namespace).to eq(@to_user.namespace) }
it { expect(to_project.star_count).to be_zero }
it { expect(to_project.description).to eq(@from_project.description) }
it { expect(to_project.avatar.file).to be_exists }
it { expect(to_project.ci_config_path).to eq(@from_project.ci_config_path) }
# This test is here because we had a bug where the from-project lost its
# avatar after being forked.
# https://gitlab.com/gitlab-org/gitlab-foss/issues/26158
it "after forking the from-project still has its avatar" do
# If we do not fork the project first we cannot detect the bug.
expect(to_project).to be_persisted
expect(@from_project.avatar.file).to be_exists
end
it_behaves_like 'forks count cache refresh' do
let(:from_project) { @from_project }
let(:to_user) { @to_user }
end
it 'creates a fork network with the new project and the root project set' do
to_project
fork_network = @from_project.reload.fork_network
expect(fork_network).not_to be_nil
expect(fork_network.root_project).to eq(@from_project)
expect(fork_network.projects).to contain_exactly(@from_project, to_project)
end
it 'imports the repository of the forked project', :sidekiq_might_not_need_inline do
to_project = fork_project(@from_project, @to_user, repository: true, using_service: true)
expect(to_project.empty_repo?).to be_falsy
end
end
context 'creating a fork of a fork' do
let(:from_forked_project) { fork_project(@from_project, @to_user, using_service: true) }
let(:other_namespace) do
group = create(:group)
group.add_owner(@to_user)
group
end
let(:to_project) { fork_project(from_forked_project, @to_user, namespace: other_namespace, using_service: true) }
it 'sets the root of the network to the root project' do
expect(to_project.fork_network.root_project).to eq(@from_project)
end
it 'sets the forked_from_project on the membership' do
expect(to_project.fork_network_member.forked_from_project).to eq(from_forked_project)
end
context 'when the forked project has higher visibility than the root project' do
let(:root_project) { create(:project, :public) }
it 'successfully creates a fork of the fork with correct visibility' do
forked_project = fork_project(root_project, @to_user, using_service: true)
root_project.update!(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
# Forked project visibility is not affected by root project visibility change
expect(forked_project).to have_attributes(visibility_level: Gitlab::VisibilityLevel::PUBLIC)
fork_of_the_fork = fork_project(forked_project, @to_user, namespace: other_namespace, using_service: true)
expect(fork_of_the_fork).to be_valid
expect(fork_of_the_fork).to have_attributes(visibility_level: Gitlab::VisibilityLevel::PUBLIC)
end
end
it_behaves_like 'forks count cache refresh' do
let(:from_project) { from_forked_project }
let(:to_user) { @to_user }
end
end
end
context 'project already exists' do
it "fails due to validation, not transaction failure" do
@existing_project = create(:project, :repository, creator_id: @to_user.id, name: @from_project.name, namespace: @to_namespace)
@to_project = fork_project(@from_project, @to_user, namespace: @to_namespace, using_service: true)
expect(@existing_project).to be_persisted
expect(@to_project).not_to be_persisted
expect(@to_project.errors[:name]).to eq(['has already been taken'])
expect(@to_project.errors[:path]).to eq(['has already been taken'])
end
end
context 'repository in legacy storage already exists' do
let(:fake_repo_path) { File.join(TestEnv.repos_path, @to_user.namespace.full_path, "#{@from_project.path}.git") }
let(:params) { { namespace: @to_user.namespace, using_service: true } }
before do
stub_application_setting(hashed_storage_enabled: false)
TestEnv.create_bare_repository(fake_repo_path)
end
after do
FileUtils.rm_rf(fake_repo_path)
end
subject { fork_project(@from_project, @to_user, params) }
it 'does not allow creation' do
expect(subject).not_to be_persisted
expect(subject.errors.messages).to have_key(:base)
expect(subject.errors.messages[:base].first).to match('There is already a repository with that name on disk')
end
context 'when repository disk validation is explicitly skipped' do
let(:params) { super().merge(skip_disk_validation: true) }
it 'allows fork project creation' do
expect(subject).to be_persisted
expect(subject.errors.messages).to be_empty
end
end
end
context 'GitLab CI is enabled' do
it "forks and enables CI for fork" do
@from_project.enable_ci
@to_project = fork_project(@from_project, @to_user, using_service: true)
expect(@to_project.builds_enabled?).to be_truthy
end
end
context "CI/CD settings" do
let(:to_project) { fork_project(@from_project, @to_user, using_service: true) }
context "when origin has git depth specified" do
before do
@from_project.update!(ci_default_git_depth: 42)
end
it "inherits default_git_depth from the origin project" do
expect(to_project.ci_default_git_depth).to eq(42)
end
end
context "when origin does not define git depth" do
before do
@from_project.update!(ci_default_git_depth: nil)
end
it "the fork has git depth set to 0" do
expect(to_project.ci_default_git_depth).to eq(0)
end
end
end
context "when project has restricted visibility level" do
context "and only one visibility level is restricted" do
before do
@from_project.update!(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::INTERNAL])
end
it "creates fork with lowest level" do
forked_project = fork_project(@from_project, @to_user, using_service: true)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
context "and all visibility levels are restricted" do
before do
stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::PUBLIC, Gitlab::VisibilityLevel::INTERNAL, Gitlab::VisibilityLevel::PRIVATE])
end
it "creates fork with private visibility levels" do
forked_project = fork_project(@from_project, @to_user, using_service: true)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
end
context 'when forking is disabled' do
before do
@from_project.project_feature.update_attribute(
:forking_access_level, ProjectFeature::DISABLED)
end
it 'fails' do
to_project = fork_project(@from_project, @to_user, namespace: @to_user.namespace, using_service: true)
expect(to_project.errors[:forked_from_project_id]).to eq(['is forbidden'])
end
end
end
describe 'fork to namespace' do
before do
@group_owner = create(:user)
@developer = create(:user)
@project = create(:project, :repository,
creator_id: @group_owner.id,
star_count: 777,
description: 'Wow, such a cool project!',
ci_config_path: 'debian/salsa-ci.yml')
@group = create(:group)
@group.add_user(@group_owner, GroupMember::OWNER)
@group.add_user(@developer, GroupMember::DEVELOPER)
@project.add_user(@developer, :developer)
@project.add_user(@group_owner, :developer)
@opts = { namespace: @group, using_service: true }
end
context 'fork project for group' do
it 'group owner successfully forks project into the group' do
to_project = fork_project(@project, @group_owner, @opts)
expect(to_project).to be_persisted
expect(to_project.errors).to be_empty
expect(to_project.owner).to eq(@group)
expect(to_project.namespace).to eq(@group)
expect(to_project.name).to eq(@project.name)
expect(to_project.path).to eq(@project.path)
expect(to_project.description).to eq(@project.description)
expect(to_project.ci_config_path).to eq(@project.ci_config_path)
expect(to_project.star_count).to be_zero
end
end
context 'fork project for group when user not owner' do
it 'group developer fails to fork project into the group' do
to_project = fork_project(@project, @developer, @opts)
expect(to_project.errors[:namespace]).to eq(['is not valid'])
end
end
context 'project already exists in group' do
it 'fails due to validation, not transaction failure' do
existing_project = create(:project, :repository,
name: @project.name,
namespace: @group)
to_project = fork_project(@project, @group_owner, @opts)
expect(existing_project.persisted?).to be_truthy
expect(to_project.errors[:name]).to eq(['has already been taken'])
expect(to_project.errors[:path]).to eq(['has already been taken'])
end
end
context 'when the namespace has a lower visibility level than the project' do
it 'creates the project with the lower visibility level' do
public_project = create(:project, :public)
private_group = create(:group, :private)
group_owner = create(:user)
private_group.add_owner(group_owner)
forked_project = fork_project(public_project, group_owner, namespace: private_group, using_service: true)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
end
describe 'fork with optional attributes' do
let(:public_project) { create(:project, :public) }
it 'sets optional attributes to specified values' do
forked_project = fork_project(
public_project,
nil,
namespace: public_project.namespace,
path: 'forked',
name: 'My Fork',
description: 'Description',
visibility: 'internal',
using_service: true
)
expect(forked_project.path).to eq('forked')
expect(forked_project.name).to eq('My Fork')
expect(forked_project.description).to eq('Description')
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::INTERNAL)
end
it 'sets visibility level to private if an unknown visibility is requested' do
forked_project = fork_project(public_project, nil, using_service: true, visibility: 'unknown')
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
it 'sets visibility level to project visibility level if requested visibility is greater' do
private_project = create(:project, :private)
forked_project = fork_project(private_project, nil, using_service: true, visibility: 'public')
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
it 'sets visibility level to target namespace visibility level if requested visibility is greater' do
private_group = create(:group, :private)
forked_project = fork_project(public_project, nil, namespace: private_group, using_service: true, visibility: 'public')
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
end
context 'when a project is already forked' do
it 'creates a new poolresository after the project is moved to a new shard' do
project = create(:project, :public, :repository)
fork_before_move = fork_project(project, nil, using_service: true)
# Stub everything required to move a project to a Gitaly shard that does not exist
allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('default').and_call_original
allow(Gitlab::GitalyClient).to receive(:filesystem_id).with('test_second_storage').and_return(SecureRandom.uuid)
stub_storage_settings('test_second_storage' => { 'path' => TestEnv::SECOND_STORAGE_PATH })
allow_any_instance_of(Gitlab::Git::Repository).to receive(:create_repository)
.and_return(true)
allow_any_instance_of(Gitlab::Git::Repository).to receive(:replicate)
allow_any_instance_of(Gitlab::Git::Repository).to receive(:checksum)
.and_return(::Gitlab::Git::BLANK_SHA)
storage_move = create(
:project_repository_storage_move,
:scheduled,
container: project,
destination_storage_name: 'test_second_storage'
)
Projects::UpdateRepositoryStorageService.new(storage_move).execute
fork_after_move = fork_project(project.reload, nil, using_service: true)
pool_repository_before_move = PoolRepository.joins(:shard)
.find_by(source_project: project, shards: { name: 'default' })
pool_repository_after_move = PoolRepository.joins(:shard)
.find_by(source_project: project, shards: { name: 'test_second_storage' })
expect(fork_before_move.pool_repository).to eq(pool_repository_before_move)
expect(fork_after_move.pool_repository).to eq(pool_repository_after_move)
end
end
context 'when forking with object pools' do
let(:fork_from_project) { create(:project, :public) }
let(:forker) { create(:user) }
context 'when no pool exists' do
it 'creates a new object pool' do
forked_project = fork_project(fork_from_project, forker, using_service: true)
expect(forked_project.pool_repository).to eq(fork_from_project.pool_repository)
end
end
context 'when a pool already exists' do
let!(:pool_repository) { create(:pool_repository, source_project: fork_from_project) }
it 'joins the object pool' do
forked_project = fork_project(fork_from_project, forker, using_service: true)
expect(forked_project.pool_repository).to eq(fork_from_project.pool_repository)
end
end
end
context 'when linking fork to an existing project' do
let(:fork_from_project) { create(:project, :public) }
let(:fork_to_project) { create(:project, :public) }
let(:user) do
create(:user).tap { |u| fork_to_project.add_maintainer(u) }
end
subject { described_class.new(fork_from_project, user) }
def forked_from_project(project)
project.fork_network_member&.forked_from_project
end
context 'if project is already forked' do
it 'does not create fork relation' do
allow(fork_to_project).to receive(:forked?).and_return(true)
expect(forked_from_project(fork_to_project)).to be_nil
expect(subject.execute(fork_to_project)).to be_nil
expect(forked_from_project(fork_to_project)).to be_nil
end
end
context 'if project is not forked' do
it 'creates fork relation' do
expect(fork_to_project.forked?).to be_falsy
expect(forked_from_project(fork_to_project)).to be_nil
subject.execute(fork_to_project)
fork_to_project.reload
expect(fork_to_project.forked?).to be true
expect(forked_from_project(fork_to_project)).to eq fork_from_project
expect(fork_to_project.forked_from_project).to eq fork_from_project
end
it 'flushes the forks count cache of the source project' do
expect(fork_from_project.forks_count).to be_zero
subject.execute(fork_to_project)
BatchLoader::Executor.clear_current
expect(fork_from_project.forks_count).to eq(1)
end
context 'if the fork is not allowed' do
let(:fork_from_project) { create(:project, :private) }
it 'does not delete the LFS objects' do
create(:lfs_objects_project, project: fork_to_project)
expect { subject.execute(fork_to_project) }
.not_to change { fork_to_project.lfs_objects_projects.size }
end
end
end
end
describe '#valid_fork_targets' do
let(:finder_mock) { instance_double('ForkTargetsFinder', execute: ['finder_return_value']) }
let(:current_user) { instance_double('User') }
let(:project) { instance_double('Project') }
before do
allow(ForkTargetsFinder).to receive(:new).with(project, current_user).and_return(finder_mock)
end
it 'returns whatever finder returns' do
expect(described_class.new(project, current_user).valid_fork_targets).to eq ['finder_return_value']
end
end
describe '#valid_fork_target?' do
let(:project) { Project.new }
let(:params) { {} }
context 'when target is not passed' do
subject { described_class.new(project, user, params).valid_fork_target? }
context 'when current user is an admin' do
let(:user) { build(:user, :admin) }
it { is_expected.to be_truthy }
end
context 'when current_user is not an admin' do
let(:user) { create(:user) }
let(:finder_mock) { instance_double('ForkTargetsFinder', execute: [user.namespace]) }
let(:project) { create(:project) }
before do
allow(ForkTargetsFinder).to receive(:new).with(project, user).and_return(finder_mock)
end
context 'when target namespace is in valid fork targets' do
let(:params) { { namespace: user.namespace } }
it { is_expected.to be_truthy }
end
context 'when target namespace is not in valid fork targets' do
let(:params) { { namespace: create(:group) } }
it { is_expected.to be_falsey }
end
end
end
context 'when target is passed' do
let(:target) { create(:group) }
subject { described_class.new(project, user, params).valid_fork_target?(target) }
context 'when current user is an admin' do
let(:user) { build(:user, :admin) }
it { is_expected.to be_truthy }
end
context 'when current user is not an admin' do
let(:user) { create(:user) }
before do
allow(ForkTargetsFinder).to receive(:new).with(project, user).and_return(finder_mock)
end
context 'when target namespace is in valid fork targets' do
let(:finder_mock) { instance_double('ForkTargetsFinder', execute: [target]) }
it { is_expected.to be_truthy }
end
context 'when target namespace is not in valid fork targets' do
let(:finder_mock) { instance_double('ForkTargetsFinder', execute: [create(:group)]) }
it { is_expected.to be_falsey }
end
end
end
end
end
|