require 'spec_helper' describe Gitlab::Diff::PositionTracer do include PositionTracerHelpers subject do described_class.new( project: project, old_diff_refs: old_diff_refs, new_diff_refs: new_diff_refs ) end describe '#trace' do let(:diff_refs) { double(complete?: true) } let(:project) { double } let(:old_diff_refs) { diff_refs } let(:new_diff_refs) { diff_refs } let(:position) { double(on_text?: on_text?, diff_refs: diff_refs) } let(:tracer) { double } context 'position is on text' do let(:on_text?) { true } it 'calls LineStrategy#trace' do expect(Gitlab::Diff::PositionTracer::LineStrategy) .to receive(:new) .with(subject) .and_return(tracer) expect(tracer).to receive(:trace).with(position) subject.trace(position) end end context 'position is not on text' do let(:on_text?) { false } it 'calls ImageStrategy#trace' do expect(Gitlab::Diff::PositionTracer::ImageStrategy) .to receive(:new) .with(subject) .and_return(tracer) expect(tracer).to receive(:trace).with(position) subject.trace(position) end end end describe 'diffs methods' do let(:project) { create(:project, :repository) } let(:current_user) { project.owner } let(:old_diff_refs) do diff_refs( project.commit(create_branch('new-branch', 'master')[:branch].name), create_file('new-branch', 'file.md', 'content') ) end let(:new_diff_refs) do diff_refs( create_file('new-branch', 'file.md', 'content'), update_file('new-branch', 'file.md', 'updatedcontent') ) end describe '#ac_diffs' do it 'returns the diffs between the base of old and new diff' do diff_refs = subject.ac_diffs.diff_refs expect(diff_refs.base_sha).to eq(old_diff_refs.base_sha) expect(diff_refs.start_sha).to eq(old_diff_refs.base_sha) expect(diff_refs.head_sha).to eq(new_diff_refs.base_sha) end end describe '#bd_diffs' do it 'returns the diffs between the HEAD of old and new diff' do diff_refs = subject.bd_diffs.diff_refs expect(diff_refs.base_sha).to eq(old_diff_refs.head_sha) expect(diff_refs.start_sha).to eq(old_diff_refs.head_sha) expect(diff_refs.head_sha).to eq(new_diff_refs.head_sha) end end describe '#cd_diffs' do it 'returns the diffs in the new diff' do diff_refs = subject.cd_diffs.diff_refs expect(diff_refs.base_sha).to eq(new_diff_refs.base_sha) expect(diff_refs.start_sha).to eq(new_diff_refs.base_sha) expect(diff_refs.head_sha).to eq(new_diff_refs.head_sha) end end end end