blob: da5707bc377fb3bc4ce24a6572fb0c388e68eee3 (
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
|
# frozen_string_literal: true
require 'fast_spec_helper'
RSpec.describe Gitlab::Diff::PairSelector do
subject(:selector) { described_class.new(lines) }
describe '#to_a' do
subject { selector.to_a }
let(:lines) { diff.lines }
let(:diff) do
<<-EOF.strip_heredoc
class Test # 0
- def initialize(test = true) # 1
+ def initialize(test = false) # 2
@test = test # 3
- if true # 4
- @foo = "bar" # 5
+ unless false # 6
+ @foo = "baz" # 7
end
end
end
EOF
end
it 'finds all pairs' do
is_expected.to match_array([[1, 2], [4, 6], [5, 7]])
end
context 'when there are empty lines' do
let(:lines) { ['- bar', '+ baz', ''] }
it { expect { subject }.not_to raise_error }
end
context 'when there are only removals' do
let(:diff) do
<<-EOF.strip_heredoc
- class Test
- def initialize(test = true)
- end
- end
EOF
end
it 'returns empty collection' do
is_expected.to eq([])
end
end
context 'when there are only additions' do
let(:diff) do
<<-EOF.strip_heredoc
+ class Test
+ def initialize(test = true)
+ end
+ end
EOF
end
it 'returns empty collection' do
is_expected.to eq([])
end
end
context 'when there are no changes' do
let(:diff) do
<<-EOF.strip_heredoc
class Test
def initialize(test = true)
end
end
EOF
end
it 'returns empty collection' do
is_expected.to eq([])
end
end
end
end
|
