gitlab-org--gitlab-foss/spec/lib/gitlab/diff/line_mapper_spec.rb
2017-01-25 12:25:42 -05:00

137 lines
3 KiB
Ruby

require 'spec_helper'
describe Gitlab::Diff::LineMapper, lib: true do
include RepoHelpers
let(:project) { create(:project, :repository) }
let(:repository) { project.repository }
let(:commit) { project.commit(sample_commit.id) }
let(:diffs) { commit.raw_diffs }
let(:diff) { diffs.first }
let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: commit.diff_refs, repository: repository) }
subject { described_class.new(diff_file) }
describe '#old_to_new' do
context "with a diff file" do
let(:mapping) do
{
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => nil,
# nil => 9,
10 => 10,
11 => 11,
12 => 12,
13 => nil,
14 => nil,
# nil => 15,
# nil => 16,
# nil => 17,
# nil => 18,
# nil => 19,
# nil => 20,
15 => 21,
16 => 22,
17 => 23,
18 => 24,
19 => 25,
20 => 26,
21 => 27,
# nil => 28,
22 => 29,
23 => 30,
24 => 31,
25 => 32,
26 => 33,
27 => 34,
28 => 35,
29 => 36,
30 => 37
}
end
it 'returns the new line number for the old line number' do
mapping.each do |old_line, new_line|
expect(subject.old_to_new(old_line)).to eq(new_line)
end
end
end
context "without a diff file" do
let(:diff_file) { nil }
it "returns the same line number" do
expect(subject.old_to_new(100)).to eq(100)
end
end
end
describe '#new_to_old' do
context "with a diff file" do
let(:mapping) do
{
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
# nil => 9,
9 => nil,
10 => 10,
11 => 11,
12 => 12,
# nil => 13,
# nil => 14,
13 => nil,
14 => nil,
15 => nil,
16 => nil,
17 => nil,
18 => nil,
19 => nil,
20 => nil,
21 => 15,
22 => 16,
23 => 17,
24 => 18,
25 => 19,
26 => 20,
27 => 21,
28 => nil,
29 => 22,
30 => 23,
31 => 24,
32 => 25,
33 => 26,
34 => 27,
35 => 28,
36 => 29,
37 => 30
}
end
it 'returns the old line number for the new line number' do
mapping.each do |new_line, old_line|
expect(subject.new_to_old(new_line)).to eq(old_line)
end
end
end
context "without a diff file" do
let(:diff_file) { nil }
it "returns the same line number" do
expect(subject.new_to_old(100)).to eq(100)
end
end
end
end