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
|
require 'spec_helper'
describe MergeRequests::SquashService do
let(:service) { described_class.new(project, user, {}) }
let(:user) { project.owner }
let(:project) { create(:project, :repository) }
let(:repository) { project.repository.raw }
let(:log_error) { "Failed to squash merge request #{merge_request.to_reference(full: true)}:" }
let(:squash_dir_path) do
File.join(Gitlab.config.shared.path, 'tmp/squash', repository.gl_repository, merge_request.id.to_s)
end
let(:merge_request_with_one_commit) do
create(:merge_request,
source_branch: 'feature', source_project: project,
target_branch: 'master', target_project: project)
end
let(:merge_request_with_only_new_files) do
create(:merge_request,
source_branch: 'video', source_project: project,
target_branch: 'master', target_project: project)
end
let(:merge_request_with_large_files) do
create(:merge_request,
source_branch: 'squash-large-files', source_project: project,
target_branch: 'master', target_project: project)
end
shared_examples 'the squash succeeds' do
it 'returns the squashed commit SHA' do
result = service.execute(merge_request)
expect(result).to match(status: :success, squash_sha: a_string_matching(/\h{40}/))
expect(result[:squash_sha]).not_to eq(merge_request.diff_head_sha)
end
it 'cleans up the temporary directory' do
service.execute(merge_request)
expect(File.exist?(squash_dir_path)).to be(false)
end
it 'does not keep the branch push event' do
expect { service.execute(merge_request) }.not_to change { Event.count }
end
context 'the squashed commit' do
let(:squash_sha) { service.execute(merge_request)[:squash_sha] }
let(:squash_commit) { project.repository.commit(squash_sha) }
it 'copies the author info and message from the merge request' do
expect(squash_commit.author_name).to eq(merge_request.author.name)
expect(squash_commit.author_email).to eq(merge_request.author.email)
# Commit messages have a trailing newline, but titles don't.
expect(squash_commit.message.chomp).to eq(merge_request.title)
end
it 'sets the current user as the committer' do
expect(squash_commit.committer_name).to eq(user.name.chomp('.'))
expect(squash_commit.committer_email).to eq(user.email)
end
it 'has the same diff as the merge request, but a different SHA' do
rugged = Gitlab::GitalyClient::StorageSettings.allow_disk_access do
project.repository.rugged
end
mr_diff = rugged.diff(merge_request.diff_base_sha, merge_request.diff_head_sha)
squash_diff = rugged.diff(merge_request.diff_start_sha, squash_sha)
expect(squash_diff.patch.length).to eq(mr_diff.patch.length)
expect(squash_commit.sha).not_to eq(merge_request.diff_head_sha)
end
end
end
describe '#execute' do
context 'when there is only one commit in the merge request' do
it 'returns that commit SHA' do
result = service.execute(merge_request_with_one_commit)
expect(result).to match(status: :success, squash_sha: merge_request_with_one_commit.diff_head_sha)
end
it 'does not perform any git actions' do
expect(repository).not_to receive(:popen)
service.execute(merge_request_with_one_commit)
end
end
context 'when squashing only new files' do
let(:merge_request) { merge_request_with_only_new_files }
include_examples 'the squash succeeds'
end
context 'when squashing with files too large to display' do
let(:merge_request) { merge_request_with_large_files }
include_examples 'the squash succeeds'
end
context 'git errors' do
let(:merge_request) { merge_request_with_only_new_files }
let(:error) { 'A test error' }
context 'with gitaly enabled' do
before do
allow(repository.gitaly_operation_client).to receive(:user_squash)
.and_raise(Gitlab::Git::Repository::GitError, error)
end
it 'logs the stage and output' do
expect(service).to receive(:log_error).with(log_error)
expect(service).to receive(:log_error).with(error)
service.execute(merge_request)
end
it 'returns an error' do
expect(service.execute(merge_request)).to match(status: :error,
message: a_string_including('squash'))
end
end
end
context 'when any other exception is thrown' do
let(:merge_request) { merge_request_with_only_new_files }
let(:error) { 'A test error' }
before do
allow(merge_request).to receive(:commits_count).and_raise(error)
end
it 'logs the MR reference and exception' do
expect(service).to receive(:log_error).with(a_string_including("#{project.full_path}#{merge_request.to_reference}"))
expect(service).to receive(:log_error).with(error)
service.execute(merge_request)
end
it 'returns an error' do
expect(service.execute(merge_request)).to match(status: :error,
message: a_string_including('squash'))
end
it 'cleans up the temporary directory' do
service.execute(merge_request)
expect(File.exist?(squash_dir_path)).to be(false)
end
end
end
end
|
