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require 'spec_helper'
describe MergeRequestDiff, models: true do
describe 'create new record' do
subject { create(:merge_request).merge_request_diff }
it { expect(subject).to be_valid }
it { expect(subject).to be_persisted }
it { expect(subject.commits.count).to eq(5) }
it { expect(subject.diffs.count).to eq(8) }
it { expect(subject.head_commit_sha).to eq('5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
it { expect(subject.base_commit_sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
it { expect(subject.start_commit_sha).to eq('0b4bc9a49b562e85de7cc9e834518ea6828729b9') }
end
describe '#latest' do
let!(:mr) { create(:merge_request, :with_diffs) }
let!(:first_diff) { mr.merge_request_diff }
let!(:last_diff) { mr.create_merge_request_diff }
it { expect(last_diff.latest?).to be_truthy }
it { expect(first_diff.latest?).to be_falsey }
end
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.raw_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.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
expect(mr_diff.raw_diffs).to be_empty
end
end
context 'when the raw diffs exist' do
it 'returns the diffs' do
expect(mr_diff.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
expect(mr_diff.raw_diffs).not_to be_empty
end
context 'when the :paths option is set' do
let(:diffs) { mr_diff.raw_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
describe '#commits_sha' do
shared_examples 'returning all commits SHA' do
it 'returns all commits SHA' do
commits_sha = subject.commits_sha
expect(commits_sha).to eq(subject.commits.map(&:sha))
end
end
context 'when commits were loaded' do
before do
subject.commits
end
it_behaves_like 'returning all commits SHA'
end
context 'when commits were not loaded' do
it_behaves_like 'returning all commits SHA'
end
end
end
end
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