153 lines
4.8 KiB
Ruby
153 lines
4.8 KiB
Ruby
require 'spec_helper'
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describe MergeRequestDiff do
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let(:diff_with_commits) { create(:merge_request).merge_request_diff }
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describe 'create new record' do
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subject { diff_with_commits }
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it { expect(subject).to be_valid }
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it { expect(subject).to be_persisted }
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it { expect(subject.commits.count).to eq(29) }
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it { expect(subject.diffs.count).to eq(20) }
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it { expect(subject.head_commit_sha).to eq('b83d6e391c22777fca1ed3012fce84f633d7fed0') }
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it { expect(subject.base_commit_sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
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it { expect(subject.start_commit_sha).to eq('0b4bc9a49b562e85de7cc9e834518ea6828729b9') }
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end
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describe '.by_commit_sha' do
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subject(:by_commit_sha) { described_class.by_commit_sha(sha) }
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let!(:merge_request) { create(:merge_request, :with_diffs) }
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context 'with sha contained in' do
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let(:sha) { 'b83d6e391c22777fca1ed3012fce84f633d7fed0' }
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it 'returns merge request diffs' do
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expect(by_commit_sha).to eq([merge_request.merge_request_diff])
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end
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end
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context 'with sha not contained in' do
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let(:sha) { 'b83d6e3' }
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it 'returns empty result' do
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expect(by_commit_sha).to be_empty
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end
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end
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end
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describe '#latest' do
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let!(:mr) { create(:merge_request, :with_diffs) }
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let!(:first_diff) { mr.merge_request_diff }
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let!(:last_diff) { mr.create_merge_request_diff }
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it { expect(last_diff.reload).to be_latest }
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it { expect(first_diff.reload).not_to be_latest }
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end
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describe '#diffs' do
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context 'when the :ignore_whitespace_change option is set' do
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it 'creates a new compare object instead of loading from the DB' do
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expect(diff_with_commits).not_to receive(:load_diffs)
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expect(diff_with_commits.compare).to receive(:diffs).and_call_original
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diff_with_commits.raw_diffs(ignore_whitespace_change: true)
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end
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end
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context 'when the raw diffs are empty' do
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before do
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MergeRequestDiffFile.delete_all(merge_request_diff_id: diff_with_commits.id)
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end
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it 'returns an empty DiffCollection' do
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expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
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expect(diff_with_commits.raw_diffs).to be_empty
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end
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end
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context 'when the raw diffs exist' do
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it 'returns the diffs' do
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expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
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expect(diff_with_commits.raw_diffs).not_to be_empty
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end
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context 'when the :paths option is set' do
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let(:diffs) { diff_with_commits.raw_diffs(paths: ['files/ruby/popen.rb', 'files/ruby/popen.rb']) }
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it 'only returns diffs that match the (old path, new path) given' do
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expect(diffs.map(&:new_path)).to contain_exactly('files/ruby/popen.rb')
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end
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it 'uses the diffs from the DB' do
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expect(diff_with_commits).to receive(:load_diffs)
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diffs
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end
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end
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end
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end
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describe '#save_diffs' do
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it 'saves collected state' do
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mr_diff = create(:merge_request).merge_request_diff
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expect(mr_diff.collected?).to be_truthy
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end
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it 'saves overflow state' do
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allow(Commit).to receive(:max_diff_options)
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.and_return(max_lines: 0, max_files: 0)
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mr_diff = create(:merge_request).merge_request_diff
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expect(mr_diff.overflow?).to be_truthy
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end
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it 'saves empty state' do
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allow_any_instance_of(described_class).to receive_message_chain(:compare, :commits)
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.and_return([])
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mr_diff = create(:merge_request).merge_request_diff
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expect(mr_diff.empty?).to be_truthy
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end
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it 'saves binary diffs correctly' do
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path = 'files/images/icn-time-tracking.pdf'
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mr_diff = create(:merge_request, source_branch: 'add-pdf-text-binary', target_branch: 'master').merge_request_diff
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diff_file = mr_diff.merge_request_diff_files.find_by(new_path: path)
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expect(diff_file).to be_binary
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expect(diff_file.diff).to eq(mr_diff.compare.diffs(paths: [path]).to_a.first.diff)
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end
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end
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describe '#commit_shas' do
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it 'returns all commit SHAs using commits from the DB' do
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expect(diff_with_commits.commit_shas).not_to be_empty
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expect(diff_with_commits.commit_shas).to all(match(/\h{40}/))
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end
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end
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describe '#compare_with' do
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it 'delegates compare to the service' do
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expect(CompareService).to receive(:new).and_call_original
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diff_with_commits.compare_with(nil)
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end
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it 'uses git diff A..B approach by default' do
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diffs = diff_with_commits.compare_with('0b4bc9a49b562e85de7cc9e834518ea6828729b9').diffs
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expect(diffs.size).to eq(21)
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end
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end
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describe '#commits_count' do
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it 'returns number of commits using serialized commits' do
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expect(diff_with_commits.commits_count).to eq(29)
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end
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end
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end
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