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authorDouwe Maan <douwe@selenight.nl>2016-06-20 19:17:56 +0200
committerDouwe Maan <douwe@selenight.nl>2016-07-06 18:50:59 -0400
commite9e06ca627d328fb67771949e36924f73b0067c9 (patch)
tree0d2cfb56faf8ab44628c8dd42bd7e75f256e41a0 /spec
parent9abcc0a98f76984fa843eb0db3cf66bc1107e3ed (diff)
downloadgitlab-ce-e9e06ca627d328fb67771949e36924f73b0067c9.tar.gz
Add Gitlab::Diff::LineMapper
Diffstat (limited to 'spec')
-rw-r--r--spec/lib/gitlab/diff/line_mapper_spec.rb137
1 files changed, 137 insertions, 0 deletions
diff --git a/spec/lib/gitlab/diff/line_mapper_spec.rb b/spec/lib/gitlab/diff/line_mapper_spec.rb
new file mode 100644
index 00000000000..4e50e03bb7e
--- /dev/null
+++ b/spec/lib/gitlab/diff/line_mapper_spec.rb
@@ -0,0 +1,137 @@
+require 'spec_helper'
+
+describe Gitlab::Diff::LineMapper, lib: true do
+ include RepoHelpers
+
+ let(:project) { create(:project) }
+ let(:repository) { project.repository }
+ let(:commit) { project.commit(sample_commit.id) }
+ let(:diffs) { commit.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