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author | Nick Thomas <nick@gitlab.com> | 2019-01-09 20:01:28 +0300 |
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committer | Nick Thomas <nick@gitlab.com> | 2019-02-05 17:12:48 +0300 |
commit | f9e41d0d851ae0ab1d67df63d0309fdce97517e1 (patch) | |
tree | 3c71a5853b789ff57d8a47522d8603c36eb7aa59 /spec/models/merge_request_diff_spec.rb | |
parent | f04910f254c29047dd3ae798161683a722e7162b (diff) |
Allow MR diffs to be placed into an object store
Diffstat (limited to 'spec/models/merge_request_diff_spec.rb')
-rw-r--r-- | spec/models/merge_request_diff_spec.rb | 189 |
1 files changed, 126 insertions, 63 deletions
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb index 33e984dc399..1849d3bac12 100644 --- a/spec/models/merge_request_diff_spec.rb +++ b/spec/models/merge_request_diff_spec.rb @@ -46,7 +46,7 @@ describe MergeRequestDiff do it { expect(first_diff.reload).not_to be_latest } end - describe '#diffs' do + shared_examples_for 'merge request diffs' do let(:merge_request) { create(:merge_request, :with_diffs) } let!(:diff) { merge_request.merge_request_diff.reload } @@ -91,98 +91,110 @@ describe MergeRequestDiff do diff.diffs.diff_files end end - end - describe '#raw_diffs' do - context 'when the :ignore_whitespace_change option is set' do - it 'creates a new compare object instead of loading from the DB' do - expect(diff_with_commits).not_to receive(:load_diffs) - expect(diff_with_commits.compare).to receive(:diffs).and_call_original + describe '#raw_diffs' do + context 'when the :ignore_whitespace_change option is set' do + it 'creates a new compare object instead of using preprocessed data' do + expect(diff_with_commits).not_to receive(:load_diffs) + expect(diff_with_commits.compare).to receive(:diffs).and_call_original - diff_with_commits.raw_diffs(ignore_whitespace_change: true) + diff_with_commits.raw_diffs(ignore_whitespace_change: true) + end end - end - context 'when the raw diffs are empty' do - before do - MergeRequestDiffFile.where(merge_request_diff_id: diff_with_commits.id).delete_all - end + context 'when the raw diffs are empty' do + before do + MergeRequestDiffFile.where(merge_request_diff_id: diff_with_commits.id).delete_all + end - it 'returns an empty DiffCollection' do - expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection) - expect(diff_with_commits.raw_diffs).to be_empty + it 'returns an empty DiffCollection' do + expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection) + expect(diff_with_commits.raw_diffs).to be_empty + end end - end - context 'when the raw diffs exist' do - it 'returns the diffs' do - expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection) - expect(diff_with_commits.raw_diffs).not_to be_empty - end + context 'when the raw diffs exist' do + it 'returns the diffs' do + expect(diff_with_commits.raw_diffs).to be_a(Gitlab::Git::DiffCollection) + expect(diff_with_commits.raw_diffs).not_to be_empty + end - context 'when the :paths option is set' do - let(:diffs) { diff_with_commits.raw_diffs(paths: ['files/ruby/popen.rb', 'files/ruby/popen.rb']) } + context 'when the :paths option is set' do + let(:diffs) { diff_with_commits.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 '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 'only serializes diff files found by query' do - expect(diff_with_commits.merge_request_diff_files.count).to be > 10 - expect_any_instance_of(MergeRequestDiffFile).to receive(:to_hash).once + it 'only serializes diff files found by query' do + expect(diff_with_commits.merge_request_diff_files.count).to be > 10 + expect_any_instance_of(MergeRequestDiffFile).to receive(:to_hash).once - diffs - end + diffs + end - it 'uses the diffs from the DB' do - expect(diff_with_commits).to receive(:load_diffs) + it 'uses the preprocessed diffs' do + expect(diff_with_commits).to receive(:load_diffs) - diffs + diffs + end end end end - end - describe '#save_diffs' do - it 'saves collected state' do - mr_diff = create(:merge_request).merge_request_diff + describe '#save_diffs' do + it 'saves collected state' do + mr_diff = create(:merge_request).merge_request_diff - expect(mr_diff.collected?).to be_truthy - end + expect(mr_diff.collected?).to be_truthy + end - it 'saves overflow state' do - allow(Commit).to receive(:max_diff_options) - .and_return(max_lines: 0, max_files: 0) + it 'saves overflow state' do + allow(Commit).to receive(:max_diff_options) + .and_return(max_lines: 0, max_files: 0) - mr_diff = create(:merge_request).merge_request_diff + mr_diff = create(:merge_request).merge_request_diff - expect(mr_diff.overflow?).to be_truthy - end + expect(mr_diff.overflow?).to be_truthy + end - it 'saves empty state' do - allow_any_instance_of(described_class).to receive_message_chain(:compare, :commits) - .and_return([]) + it 'saves empty state' do + allow_any_instance_of(described_class).to receive_message_chain(:compare, :commits) + .and_return([]) - mr_diff = create(:merge_request).merge_request_diff + mr_diff = create(:merge_request).merge_request_diff - expect(mr_diff.empty?).to be_truthy - end + expect(mr_diff.empty?).to be_truthy + end - it 'expands collapsed diffs before saving' do - mr_diff = create(:merge_request, source_branch: 'expand-collapse-lines', target_branch: 'master').merge_request_diff - diff_file = mr_diff.merge_request_diff_files.find_by(new_path: 'expand-collapse/file-5.txt') + it 'expands collapsed diffs before saving' do + mr_diff = create(:merge_request, source_branch: 'expand-collapse-lines', target_branch: 'master').merge_request_diff + diff_file = mr_diff.merge_request_diff_files.find_by(new_path: 'expand-collapse/file-5.txt') - expect(diff_file.diff).not_to be_empty + expect(diff_file.diff).not_to be_empty + end + + it 'saves binary diffs correctly' do + path = 'files/images/icn-time-tracking.pdf' + mr_diff = create(:merge_request, source_branch: 'add-pdf-text-binary', target_branch: 'master').merge_request_diff + diff_file = mr_diff.merge_request_diff_files.find_by(new_path: path) + + expect(diff_file).to be_binary + expect(diff_file.diff).to eq(mr_diff.compare.diffs(paths: [path]).to_a.first.diff) + end end + end - it 'saves binary diffs correctly' do - path = 'files/images/icn-time-tracking.pdf' - mr_diff = create(:merge_request, source_branch: 'add-pdf-text-binary', target_branch: 'master').merge_request_diff - diff_file = mr_diff.merge_request_diff_files.find_by(new_path: path) + describe 'internal diffs configured' do + include_examples 'merge request diffs' + end - expect(diff_file).to be_binary - expect(diff_file.diff).to eq(mr_diff.compare.diffs(paths: [path]).to_a.first.diff) + describe 'external diffs configured' do + before do + stub_external_diffs_setting(enabled: true) end + + include_examples 'merge request diffs' end describe '#commit_shas' do @@ -245,4 +257,55 @@ describe MergeRequestDiff do expect(subject.modified_paths).to eq(%w{foo bar baz}) end end + + describe '#opening_external_diff' do + subject(:diff) { diff_with_commits } + + context 'external diffs disabled' do + it { expect(diff.external_diff).not_to be_exists } + + it 'yields nil' do + expect { |b| diff.opening_external_diff(&b) }.to yield_with_args(nil) + end + end + + context 'external diffs enabled' do + let(:test_dir) { 'tmp/tests/external-diffs' } + + around do |example| + FileUtils.mkdir_p(test_dir) + + begin + example.run + ensure + FileUtils.rm_rf(test_dir) + end + end + + before do + stub_external_diffs_setting(enabled: true, storage_path: test_dir) + end + + it { expect(diff.external_diff).to be_exists } + + it 'yields an open file' do + expect { |b| diff.opening_external_diff(&b) }.to yield_with_args(File) + end + + it 'is re-entrant' do + outer_file_a = + diff.opening_external_diff do |outer_file| + diff.opening_external_diff do |inner_file| + expect(outer_file).to eq(inner_file) + end + + outer_file + end + + diff.opening_external_diff do |outer_file_b| + expect(outer_file_a).not_to eq(outer_file_b) + end + end + end + end end |