85 lines
1.8 KiB
Ruby
85 lines
1.8 KiB
Ruby
|
# 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
|