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
|
# frozen_string_literal: true
require 'spec_helper'
describe Suggestions::ApplyService do
include ProjectForksHelper
let(:project) { create(:project, :repository) }
let(:user) { create(:user, :commit_email) }
let(:position) do
Gitlab::Diff::Position.new(old_path: "files/ruby/popen.rb",
new_path: "files/ruby/popen.rb",
old_line: nil,
new_line: 9,
diff_refs: merge_request.diff_refs)
end
let(:suggestion) do
create(:suggestion, note: diff_note,
from_content: " raise RuntimeError, \"System commands must be given as an array of strings\"\n",
to_content: " raise RuntimeError, 'Explosion'\n # explosion?\n")
end
subject { described_class.new(user) }
context 'patch is appliable' do
let(:expected_content) do
<<-CONTENT.strip_heredoc
require 'fileutils'
require 'open3'
module Popen
extend self
def popen(cmd, path=nil)
unless cmd.is_a?(Array)
raise RuntimeError, 'Explosion'
# explosion?
end
path ||= Dir.pwd
vars = {
"PWD" => path
}
options = {
chdir: path
}
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
@cmd_status = 0
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
context 'non-fork project' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
let!(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request,
position: position,
project: project)
end
before do
project.add_maintainer(user)
end
it 'updates the file with the new contents' do
subject.execute(suggestion)
blob = project.repository.blob_at_branch(merge_request.source_branch,
position.new_path)
expect(blob.data).to eq(expected_content)
end
it 'returns success status' do
result = subject.execute(suggestion)
expect(result[:status]).to eq(:success)
end
it 'updates suggestion applied and commit_id columns' do
expect { subject.execute(suggestion) }
.to change(suggestion, :applied)
.from(false).to(true)
.and change(suggestion, :commit_id)
.from(nil)
end
it 'created commit has users email and name' do
subject.execute(suggestion)
commit = project.repository.commit
expect(user.commit_email).not_to eq(user.email)
expect(commit.author_email).to eq(user.commit_email)
expect(commit.committer_email).to eq(user.commit_email)
expect(commit.author_name).to eq(user.name)
end
context 'when it fails to apply because the file was changed' do
it 'returns error message' do
service = instance_double(Files::UpdateService)
expect(Files::UpdateService).to receive(:new)
.and_return(service)
allow(service).to receive(:execute)
.and_raise(Files::UpdateService::FileChangedError)
result = subject.execute(suggestion)
expect(result).to eq(message: 'The file has been changed', status: :error)
end
end
context 'when diff ref from position is different from repo diff refs' do
it 'returns error message' do
outdated_refs = Gitlab::Diff::DiffRefs.new(base_sha: 'foo', start_sha: 'bar', head_sha: 'outdated')
allow(suggestion).to receive(:appliable?) { true }
allow(suggestion.position).to receive(:diff_refs) { outdated_refs }
result = subject.execute(suggestion)
expect(result).to eq(message: 'The file has been changed', status: :error)
end
end
context 'multiple suggestions applied' do
let(:expected_content) do
<<-CONTENT.strip_heredoc
require 'fileutils'
require 'open3'
module Popen
extend self
def popen(cmd, path=nil)
unless cmd.is_a?(Array)
# v1 change
end
path ||= Dir.pwd
# v1 change
vars = {
"PWD" => path
}
options = {
chdir: path
}
# v2 change
unless File.directory?(path)
FileUtils.mkdir_p(path)
end
@cmd_output = ""
# v2 change
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
@cmd_output << stderr.read
@cmd_status = wait_thr.value.exitstatus
end
return @cmd_output, @cmd_status
end
end
CONTENT
end
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
def create_suggestion(diff, old_line: nil, new_line: nil, from_content:, to_content:, path:)
position = Gitlab::Diff::Position.new(old_path: path,
new_path: path,
old_line: old_line,
new_line: new_line,
diff_refs: diff.diff_refs)
suggestion_note = create(:diff_note_on_merge_request, noteable: merge_request,
original_position: position,
position: position,
project: project)
create(:suggestion, note: suggestion_note,
from_content: from_content,
to_content: to_content)
end
def apply_suggestion(suggestion)
suggestion.note.reload
merge_request.reload
merge_request.clear_memoized_shas
result = subject.execute(suggestion)
refresh = MergeRequests::RefreshService.new(project, user)
refresh.execute(merge_request.diff_head_sha,
suggestion.commit_id,
merge_request.source_branch_ref)
result
end
def fetch_raw_diff(suggestion)
project.reload.commit(suggestion.commit_id).diffs.diff_files.first.diff.diff
end
it 'applies multiple suggestions in subsequent versions correctly' do
diff = merge_request.merge_request_diff
path = 'files/ruby/popen.rb'
suggestion_1_changes = { old_line: nil,
new_line: 13,
from_content: "\n",
to_content: "# v1 change\n",
path: path }
suggestion_2_changes = { old_line: 24,
new_line: 31,
from_content: " @cmd_output << stderr.read\n",
to_content: "# v2 change\n",
path: path }
suggestion_1 = create_suggestion(diff, suggestion_1_changes)
suggestion_2 = create_suggestion(diff, suggestion_2_changes)
apply_suggestion(suggestion_1)
suggestion_1_diff = fetch_raw_diff(suggestion_1)
# rubocop: disable Layout/TrailingWhitespace
expected_suggestion_1_diff = <<-CONTENT.strip_heredoc
@@ -10,7 +10,7 @@ module Popen
end
path ||= Dir.pwd
-
+# v1 change
vars = {
"PWD" => path
}
CONTENT
# rubocop: enable Layout/TrailingWhitespace
apply_suggestion(suggestion_2)
suggestion_2_diff = fetch_raw_diff(suggestion_2)
# rubocop: disable Layout/TrailingWhitespace
expected_suggestion_2_diff = <<-CONTENT.strip_heredoc
@@ -28,7 +28,7 @@ module Popen
Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
@cmd_output << stdout.read
- @cmd_output << stderr.read
+# v2 change
@cmd_status = wait_thr.value.exitstatus
end
CONTENT
# rubocop: enable Layout/TrailingWhitespace
expect(suggestion_1_diff.strip).to eq(expected_suggestion_1_diff.strip)
expect(suggestion_2_diff.strip).to eq(expected_suggestion_2_diff.strip)
end
end
end
context 'fork-project' do
let(:project) { create(:project, :public, :repository) }
let(:forked_project) do
fork_project_with_submodules(project, user, repository: project.repository)
end
let(:merge_request) do
create(:merge_request,
source_branch: 'conflict-resolvable-fork', source_project: forked_project,
target_branch: 'conflict-start', target_project: project)
end
let!(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request, position: position, project: project)
end
before do
project.add_maintainer(user)
end
it 'updates file in the source project' do
expect(Files::UpdateService).to receive(:new)
.with(merge_request.source_project, user, anything)
.and_call_original
subject.execute(suggestion)
end
end
end
context 'no permission' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
let(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request,
position: position,
project: project)
end
context 'user cannot write in project repo' do
before do
project.add_reporter(user)
end
it 'returns error' do
result = subject.execute(suggestion)
expect(result).to eq(message: "You are not allowed to push into this branch",
status: :error)
end
end
end
context 'patch is not appliable' do
let(:merge_request) do
create(:merge_request, source_project: project,
target_project: project)
end
let(:diff_note) do
create(:diff_note_on_merge_request, noteable: merge_request,
position: position,
project: project)
end
before do
project.add_maintainer(user)
end
context 'suggestion was already applied' do
it 'returns success status' do
result = subject.execute(suggestion)
expect(result[:status]).to eq(:success)
end
end
context 'note is outdated' do
before do
allow(diff_note).to receive(:active?) { false }
end
it 'returns error message' do
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
context 'suggestion was already applied' do
before do
suggestion.update!(applied: true, commit_id: 'sha')
end
it 'returns error message' do
result = subject.execute(suggestion)
expect(result).to eq(message: 'Suggestion is not appliable',
status: :error)
end
end
end
end
|