2019-05-18 00:54:41 +05:30
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# frozen_string_literal: true
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2016-08-24 12:49:21 +05:30
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require 'spec_helper'
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2017-09-10 17:25:29 +05:30
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describe MergeRequestDiff do
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2019-05-03 19:53:19 +05:30
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include RepoHelpers
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2018-03-17 18:26:18 +05:30
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let(:diff_with_commits) { create(:merge_request).merge_request_diff }
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2019-03-13 22:55:13 +05:30
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describe 'validations' do
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subject { diff_with_commits }
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it 'checks sha format of base_commit_sha, head_commit_sha and start_commit_sha' do
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subject.base_commit_sha = subject.head_commit_sha = subject.start_commit_sha = 'foobar'
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expect(subject.valid?).to be false
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expect(subject.errors.count).to eq 3
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expect(subject.errors).to all(include('is not a valid SHA'))
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end
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end
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2016-09-29 09:46:39 +05:30
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describe 'create new record' do
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2018-03-17 18:26:18 +05:30
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subject { diff_with_commits }
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2016-09-29 09:46:39 +05:30
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it { expect(subject).to be_valid }
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it { expect(subject).to be_persisted }
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2016-11-03 12:29:30 +05:30
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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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2016-09-29 09:46:39 +05:30
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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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2018-03-17 18:26:18 +05:30
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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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2019-05-18 00:54:41 +05:30
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describe '.ids_for_external_storage_migration' do
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set(:merge_request) { create(:merge_request) }
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set(:outdated) { merge_request.merge_request_diff }
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set(:latest) { merge_request.create_merge_request_diff }
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set(:closed_mr) { create(:merge_request, :closed_last_month) }
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let(:closed) { closed_mr.merge_request_diff }
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set(:merged_mr) { create(:merge_request, :merged_last_month) }
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let(:merged) { merged_mr.merge_request_diff }
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set(:recently_closed_mr) { create(:merge_request, :closed) }
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let(:closed_recently) { recently_closed_mr.merge_request_diff }
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set(:recently_merged_mr) { create(:merge_request, :merged) }
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let(:merged_recently) { recently_merged_mr.merge_request_diff }
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before do
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merge_request.update!(latest_merge_request_diff: latest)
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end
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subject { described_class.ids_for_external_storage_migration(limit: 1000) }
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context 'external diffs are disabled' do
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before do
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stub_external_diffs_setting(enabled: false)
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end
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it { is_expected.to be_empty }
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end
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context 'external diffs are misconfigured' do
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before do
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stub_external_diffs_setting(enabled: true, when: 'every second tuesday')
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end
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it { is_expected.to be_empty }
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end
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context 'external diffs are enabled unconditionally' do
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before do
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stub_external_diffs_setting(enabled: true)
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end
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it { is_expected.to contain_exactly(outdated.id, latest.id, closed.id, merged.id, closed_recently.id, merged_recently.id) }
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end
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context 'external diffs are enabled for outdated diffs' do
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before do
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stub_external_diffs_setting(enabled: true, when: 'outdated')
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end
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it 'returns records for outdated merge request versions' do
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is_expected.to contain_exactly(outdated.id, closed.id, merged.id)
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end
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end
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context 'with limit' do
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it 'respects the limit' do
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stub_external_diffs_setting(enabled: true)
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expect(described_class.ids_for_external_storage_migration(limit: 3).count).to eq(3)
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end
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end
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end
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describe '#migrate_files_to_external_storage!' do
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let(:diff) { create(:merge_request).merge_request_diff }
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it 'converts from in-database to external storage' do
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expect(diff).not_to be_stored_externally
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stub_external_diffs_setting(enabled: true)
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expect(diff).to receive(:save!)
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diff.migrate_files_to_external_storage!
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expect(diff).to be_stored_externally
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end
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it 'does nothing with an external diff' do
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stub_external_diffs_setting(enabled: true)
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expect(diff).to be_stored_externally
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expect(diff).not_to receive(:save!)
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diff.migrate_files_to_external_storage!
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end
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it 'does nothing if external diffs are disabled' do
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expect(diff).not_to be_stored_externally
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expect(diff).not_to receive(:save!)
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diff.migrate_files_to_external_storage!
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end
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end
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describe '#latest?' do
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2016-09-29 09:46:39 +05:30
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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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2018-03-17 18:26:18 +05:30
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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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2016-09-29 09:46:39 +05:30
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end
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2019-03-02 22:35:43 +05:30
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shared_examples_for 'merge request diffs' do
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2018-11-08 19:23:39 +05:30
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let(:merge_request) { create(:merge_request, :with_diffs) }
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let!(:diff) { merge_request.merge_request_diff.reload }
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context 'when it was not cleaned by the system' do
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it 'returns persisted diffs' do
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2018-12-13 13:39:08 +05:30
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expect(diff).to receive(:load_diffs).and_call_original
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2018-11-08 19:23:39 +05:30
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2018-12-13 13:39:08 +05:30
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diff.diffs.diff_files
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2018-11-08 19:23:39 +05:30
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end
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end
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context 'when diff was cleaned by the system' do
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before do
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diff.clean!
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end
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it 'returns diffs from repository if can compare with current diff refs' do
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expect(diff).not_to receive(:load_diffs)
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expect(Compare)
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.to receive(:new)
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.with(instance_of(Gitlab::Git::Compare), merge_request.target_project,
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base_sha: diff.base_commit_sha, straight: false)
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.and_call_original
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diff.diffs
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end
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it 'returns persisted diffs if cannot compare with diff refs' do
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2018-12-13 13:39:08 +05:30
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expect(diff).to receive(:load_diffs).and_call_original
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2018-11-08 19:23:39 +05:30
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2019-03-13 22:55:13 +05:30
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diff.update!(head_commit_sha: Digest::SHA1.hexdigest(SecureRandom.hex))
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2018-11-08 19:23:39 +05:30
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2018-12-13 13:39:08 +05:30
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diff.diffs.diff_files
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2018-11-08 19:23:39 +05:30
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end
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it 'returns persisted diffs if diff refs does not exist' do
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2018-12-13 13:39:08 +05:30
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expect(diff).to receive(:load_diffs).and_call_original
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2018-11-08 19:23:39 +05:30
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diff.update!(start_commit_sha: nil, base_commit_sha: nil)
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2018-12-13 13:39:08 +05:30
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diff.diffs.diff_files
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2018-11-08 19:23:39 +05:30
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end
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end
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2019-03-02 22:35:43 +05:30
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describe '#raw_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 using preprocessed data' 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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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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diff_with_commits.raw_diffs(ignore_whitespace_change: true)
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end
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2016-08-24 12:49:21 +05:30
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end
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2019-03-02 22:35:43 +05:30
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context 'when the raw diffs are empty' do
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before do
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MergeRequestDiffFile.where(merge_request_diff_id: diff_with_commits.id).delete_all
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end
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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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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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2016-11-03 12:29:30 +05:30
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end
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2019-03-02 22:35:43 +05:30
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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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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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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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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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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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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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it 'only serializes diff files found by query' do
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expect(diff_with_commits.merge_request_diff_files.count).to be > 10
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expect_any_instance_of(MergeRequestDiffFile).to receive(:to_hash).once
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2018-11-18 11:00:15 +05:30
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2019-03-02 22:35:43 +05:30
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diffs
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end
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2018-11-18 11:00:15 +05:30
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2019-03-02 22:35:43 +05:30
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it 'uses the preprocessed diffs' do
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expect(diff_with_commits).to receive(:load_diffs)
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2016-08-24 12:49:21 +05:30
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2019-03-02 22:35:43 +05:30
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diffs
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end
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2016-08-24 12:49:21 +05:30
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end
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end
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end
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2016-09-29 09:46:39 +05:30
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2019-03-02 22:35:43 +05:30
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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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2016-09-29 09:46:39 +05:30
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2019-03-02 22:35:43 +05:30
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expect(mr_diff.collected?).to be_truthy
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end
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2016-09-29 09:46:39 +05:30
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2019-03-02 22:35:43 +05:30
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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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2017-08-17 22:00:37 +05:30
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2019-03-02 22:35:43 +05:30
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mr_diff = create(:merge_request).merge_request_diff
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2016-09-29 09:46:39 +05:30
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2019-03-02 22:35:43 +05:30
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expect(mr_diff.overflow?).to be_truthy
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end
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2016-11-03 12:29:30 +05:30
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2019-03-02 22:35:43 +05:30
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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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2017-08-17 22:00:37 +05:30
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2019-03-02 22:35:43 +05:30
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mr_diff = create(:merge_request).merge_request_diff
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2017-08-17 22:00:37 +05:30
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2019-03-02 22:35:43 +05:30
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expect(mr_diff.empty?).to be_truthy
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end
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2017-09-10 17:25:29 +05:30
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2019-03-02 22:35:43 +05:30
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it 'expands collapsed diffs before saving' do
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mr_diff = create(:merge_request, source_branch: 'expand-collapse-lines', target_branch: 'master').merge_request_diff
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diff_file = mr_diff.merge_request_diff_files.find_by(new_path: 'expand-collapse/file-5.txt')
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2018-11-08 19:23:39 +05:30
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2019-03-02 22:35:43 +05:30
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expect(diff_file.diff).not_to be_empty
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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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2019-05-03 19:53:19 +05:30
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context 'with diffs that contain a null byte' do
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let(:filename) { 'test-null.txt' }
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let(:content) { "a" * 10000 + "\x00" }
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let(:project) { create(:project, :repository) }
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let(:branch) { 'null-data' }
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let(:target_branch) { 'master' }
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it 'saves diffs correctly' do
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create_file_in_repo(project, target_branch, branch, filename, content)
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mr_diff = create(:merge_request, target_project: project, source_project: project, source_branch: branch, target_branch: target_branch).merge_request_diff
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diff_file = mr_diff.merge_request_diff_files.find_by(new_path: filename)
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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: [filename]).to_a.first.diff)
|
|
|
|
expect(diff_file.diff).to include(content)
|
|
|
|
end
|
|
|
|
end
|
2018-11-08 19:23:39 +05:30
|
|
|
end
|
2019-03-02 22:35:43 +05:30
|
|
|
end
|
2018-11-08 19:23:39 +05:30
|
|
|
|
2019-03-02 22:35:43 +05:30
|
|
|
describe 'internal diffs configured' do
|
|
|
|
include_examples 'merge request diffs'
|
|
|
|
end
|
2017-09-10 17:25:29 +05:30
|
|
|
|
2019-05-18 00:54:41 +05:30
|
|
|
describe 'external diffs always enabled' do
|
2019-03-02 22:35:43 +05:30
|
|
|
before do
|
2019-05-18 00:54:41 +05:30
|
|
|
stub_external_diffs_setting(enabled: true, when: 'always')
|
|
|
|
end
|
|
|
|
|
|
|
|
include_examples 'merge request diffs'
|
|
|
|
end
|
|
|
|
|
|
|
|
describe 'exernal diffs enabled for outdated diffs' do
|
|
|
|
before do
|
|
|
|
stub_external_diffs_setting(enabled: true, when: 'outdated')
|
2017-09-10 17:25:29 +05:30
|
|
|
end
|
2019-03-02 22:35:43 +05:30
|
|
|
|
|
|
|
include_examples 'merge request diffs'
|
2019-05-18 00:54:41 +05:30
|
|
|
|
|
|
|
it 'stores up-to-date diffs in the database' do
|
|
|
|
expect(diff).not_to be_stored_externally
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'stores diffs for recently closed MRs in the database' do
|
|
|
|
mr = create(:merge_request, :closed)
|
|
|
|
|
|
|
|
expect(mr.merge_request_diff).not_to be_stored_externally
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'stores diffs for recently merged MRs in the database' do
|
|
|
|
mr = create(:merge_request, :merged)
|
|
|
|
|
|
|
|
expect(mr.merge_request_diff).not_to be_stored_externally
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'stores diffs for old MR versions in external storage' do
|
|
|
|
old_diff = diff
|
|
|
|
merge_request.create_merge_request_diff
|
|
|
|
old_diff.migrate_files_to_external_storage!
|
|
|
|
|
|
|
|
expect(old_diff).to be_stored_externally
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'stores diffs for old closed MRs in external storage' do
|
|
|
|
mr = create(:merge_request, :closed_last_month)
|
|
|
|
|
|
|
|
expect(mr.merge_request_diff).to be_stored_externally
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'stores diffs for old merged MRs in external storage' do
|
|
|
|
mr = create(:merge_request, :merged_last_month)
|
|
|
|
|
|
|
|
expect(mr.merge_request_diff).to be_stored_externally
|
|
|
|
end
|
2017-08-17 22:00:37 +05:30
|
|
|
end
|
|
|
|
|
2017-09-10 17:25:29 +05:30
|
|
|
describe '#commit_shas' do
|
2018-03-17 18:26:18 +05:30
|
|
|
it 'returns all commit SHAs using commits from the DB' do
|
|
|
|
expect(diff_with_commits.commit_shas).not_to be_empty
|
|
|
|
expect(diff_with_commits.commit_shas).to all(match(/\h{40}/))
|
2016-11-03 12:29:30 +05:30
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#compare_with' do
|
|
|
|
it 'delegates compare to the service' do
|
|
|
|
expect(CompareService).to receive(:new).and_call_original
|
|
|
|
|
2018-03-17 18:26:18 +05:30
|
|
|
diff_with_commits.compare_with(nil)
|
2016-11-03 12:29:30 +05:30
|
|
|
end
|
|
|
|
|
|
|
|
it 'uses git diff A..B approach by default' do
|
2018-03-17 18:26:18 +05:30
|
|
|
diffs = diff_with_commits.compare_with('0b4bc9a49b562e85de7cc9e834518ea6828729b9').diffs
|
2016-11-03 12:29:30 +05:30
|
|
|
|
2018-03-17 18:26:18 +05:30
|
|
|
expect(diffs.size).to eq(21)
|
2016-09-29 09:46:39 +05:30
|
|
|
end
|
2016-08-24 12:49:21 +05:30
|
|
|
end
|
2017-08-17 22:00:37 +05:30
|
|
|
|
|
|
|
describe '#commits_count' do
|
|
|
|
it 'returns number of commits using serialized commits' do
|
2018-03-17 18:26:18 +05:30
|
|
|
expect(diff_with_commits.commits_count).to eq(29)
|
2017-09-10 17:25:29 +05:30
|
|
|
end
|
|
|
|
end
|
2018-12-13 13:39:08 +05:30
|
|
|
|
|
|
|
describe '#commits_by_shas' do
|
|
|
|
let(:commit_shas) { diff_with_commits.commit_shas }
|
|
|
|
|
|
|
|
it 'returns empty if no SHAs were provided' do
|
|
|
|
expect(diff_with_commits.commits_by_shas([])).to be_empty
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'returns one SHA' do
|
|
|
|
commits = diff_with_commits.commits_by_shas([commit_shas.first, Gitlab::Git::BLANK_SHA])
|
|
|
|
|
|
|
|
expect(commits.count).to eq(1)
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'returns all matching SHAs' do
|
|
|
|
commits = diff_with_commits.commits_by_shas(commit_shas)
|
|
|
|
|
|
|
|
expect(commits.count).to eq(commit_shas.count)
|
|
|
|
expect(commits.map(&:sha)).to match_array(commit_shas)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
describe '#modified_paths' do
|
|
|
|
subject do
|
|
|
|
diff = create(:merge_request_diff)
|
|
|
|
create(:merge_request_diff_file, :new_file, merge_request_diff: diff)
|
|
|
|
create(:merge_request_diff_file, :renamed_file, merge_request_diff: diff)
|
|
|
|
diff
|
|
|
|
end
|
|
|
|
|
|
|
|
it 'returns affected file paths' do
|
|
|
|
expect(subject.modified_paths).to eq(%w{foo bar baz})
|
|
|
|
end
|
|
|
|
end
|
2019-03-02 22:35:43 +05:30
|
|
|
|
|
|
|
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
|
2016-08-24 12:49:21 +05:30
|
|
|
end
|