gitlab-org--gitlab-foss/spec/models/merge_request_diff_spec.rb
2016-07-11 09:31:34 +01:00

47 lines
1.4 KiB
Ruby

require 'spec_helper'
describe MergeRequestDiff, models: true do
describe '#diffs' do
let(:mr) { create(:merge_request, :with_diffs) }
let(:mr_diff) { mr.merge_request_diff }
context 'when the :ignore_whitespace_change option is set' do
it 'creates a new compare object instead of loading from the DB' do
expect(mr_diff).not_to receive(:load_diffs)
expect(Gitlab::Git::Compare).to receive(:new).and_call_original
mr_diff.diffs(ignore_whitespace_change: true)
end
end
context 'when the raw diffs are empty' do
before { mr_diff.update_attributes(st_diffs: '') }
it 'returns an empty DiffCollection' do
expect(mr_diff.diffs).to be_a(Gitlab::Git::DiffCollection)
expect(mr_diff.diffs).to be_empty
end
end
context 'when the raw diffs exist' do
it 'returns the diffs' do
expect(mr_diff.diffs).to be_a(Gitlab::Git::DiffCollection)
expect(mr_diff.diffs).not_to be_empty
end
context 'when the :paths option is set' do
let(:diffs) { mr_diff.diffs(paths: ['files/ruby/popen.rb', 'files/ruby/popen.rb']) }
it 'only returns diffs that match the (old path, new path) given' do
expect(diffs.map(&:new_path)).to contain_exactly('files/ruby/popen.rb')
end
it 'uses the diffs from the DB' do
expect(mr_diff).to receive(:load_diffs)
diffs
end
end
end
end
end