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Diffstat (limited to 'spec/models/merge_request_diff_spec.rb')
-rw-r--r-- | spec/models/merge_request_diff_spec.rb | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb new file mode 100644 index 00000000000..9a637c94fbe --- /dev/null +++ b/spec/models/merge_request_diff_spec.rb @@ -0,0 +1,47 @@ +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 |