657 lines
20 KiB
Ruby
657 lines
20 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Projects::MergeRequests::DiffsController do
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include ProjectForksHelper
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shared_examples '404 for unexistent diffable' do
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context 'when diffable does not exists' do
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it 'returns 404' do
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go(diff_id: non_existing_record_id)
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expect(MergeRequestDiff.find_by(id: non_existing_record_id)).to be_nil
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'when the merge_request_diff.id is blank' do
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it 'returns 404' do
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allow_next_instance_of(MergeRequest) do |instance|
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allow(instance).to receive(:merge_request_diff).and_return(MergeRequestDiff.new(merge_request_id: instance.id))
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go
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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end
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end
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shared_examples 'forked project with submodules' do
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render_views
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let(:project) { create(:project, :repository) }
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let(:forked_project) { fork_project_with_submodules(project) }
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let(:merge_request) { create(:merge_request_with_diffs, source_project: forked_project, source_branch: 'add-submodule-version-bump', target_branch: 'master', target_project: project) }
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before do
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project.add_developer(user)
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merge_request.reload
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go
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end
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it 'renders' do
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expect(response).to be_successful
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expect(response.body).to have_content('Subproject commit')
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end
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end
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shared_examples 'cached diff collection' do
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it 'ensures diff highlighting cache writing' do
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expect_next_instance_of(Gitlab::Diff::HighlightCache) do |cache|
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expect(cache).to receive(:write_if_empty).once
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end
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go
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end
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end
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shared_examples "diff note on-demand position creation" do
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it "updates diff discussion positions" do
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service = double("service")
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expect(Discussions::CaptureDiffNotePositionsService).to receive(:new).with(merge_request).and_return(service)
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expect(service).to receive(:execute)
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go
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end
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end
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shared_examples 'show the right diff files with previous diff_id' do
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context 'with previous diff_id' do
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let!(:merge_request_diff_1) { merge_request.merge_request_diffs.create!(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9') }
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let!(:merge_request_diff_2) { merge_request.merge_request_diffs.create!(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e', diff_type: :merge_head) }
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subject { go(diff_id: merge_request_diff_1.id, diff_head: true) }
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it 'shows the right diff files' do
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subject
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expect(json_response["diff_files"].size).to eq(merge_request_diff_1.files_count)
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end
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end
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end
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let(:project) { create(:project, :repository) }
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let(:user) { create(:user) }
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let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
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before do
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project.add_maintainer(user)
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sign_in(user)
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end
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describe 'GET show' do
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def go(extra_params = {})
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params = {
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namespace_id: project.namespace.to_param,
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project_id: project,
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id: merge_request.iid,
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format: 'json'
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}
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get :show, params: params.merge(extra_params)
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end
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context 'with default params' do
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context 'for the same project' do
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before do
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allow(controller).to receive(:rendered_for_merge_request?).and_return(true)
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end
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it 'serializes merge request diff collection' do
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expect_next_instance_of(DiffsSerializer) do |instance|
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expect(instance).to receive(:represent).with(an_instance_of(Gitlab::Diff::FileCollection::MergeRequestDiff), an_instance_of(Hash))
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end
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go
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end
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end
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context 'when note is a legacy diff note' do
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before do
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create(:legacy_diff_note_on_merge_request, project: project, noteable: merge_request)
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end
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it 'serializes merge request diff collection' do
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expect_next_instance_of(DiffsSerializer) do |instance|
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expect(instance).to receive(:represent).with(an_instance_of(Gitlab::Diff::FileCollection::MergeRequestDiff), an_instance_of(Hash))
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end
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go
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end
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end
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it_behaves_like 'forked project with submodules'
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end
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it_behaves_like 'cached diff collection'
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it_behaves_like 'diff note on-demand position creation'
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end
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describe 'GET diffs_metadata' do
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shared_examples_for 'serializes diffs metadata with expected arguments' do
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it 'returns success' do
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subject
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expect(response).to have_gitlab_http_status(:ok)
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end
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it 'serializes paginated merge request diff collection' do
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expect_next_instance_of(DiffsMetadataSerializer) do |instance|
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expect(instance).to receive(:represent)
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.with(an_instance_of(collection), expected_options)
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.and_call_original
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end
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subject
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end
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end
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def go(extra_params = {})
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params = {
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namespace_id: project.namespace.to_param,
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project_id: project,
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id: merge_request.iid,
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format: 'json'
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}
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get :diffs_metadata, params: params.merge(extra_params)
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end
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it_behaves_like '404 for unexistent diffable'
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it_behaves_like 'show the right diff files with previous diff_id'
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context 'when not authorized' do
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let(:another_user) { create(:user) }
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before do
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sign_in(another_user)
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end
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it 'returns 404 when not a member' do
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go
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expect(response).to have_gitlab_http_status(:not_found)
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end
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it 'returns 404 when visibility level is not enough' do
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project.add_guest(another_user)
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go
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'with valid diff_id' do
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subject { go(diff_id: merge_request.merge_request_diff.id) }
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it_behaves_like 'serializes diffs metadata with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiff }
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let(:expected_options) do
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{
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environment: nil,
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merge_request: merge_request,
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merge_request_diff: merge_request.merge_request_diff,
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merge_request_diffs: merge_request.merge_request_diffs,
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start_version: nil,
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start_sha: nil,
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commit: nil,
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latest_diff: true,
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only_context_commits: false,
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allow_tree_conflicts: true,
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merge_ref_head_diff: false
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}
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end
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end
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end
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context "with the :default_merge_ref_for_diffs flag on" do
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let(:diffable_merge_ref) { true }
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subject do
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go(diff_head: true,
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diff_id: merge_request.merge_request_diff.id,
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start_sha: merge_request.merge_request_diff.start_commit_sha)
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end
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it "correctly generates the right diff between versions" do
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MergeRequests::MergeToRefService.new(project: project, current_user: merge_request.author).execute(merge_request)
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expect_next_instance_of(CompareService) do |service|
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expect(service).to receive(:execute).with(
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project,
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merge_request.merge_request_diff.head_commit_sha,
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straight: true)
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end
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subject
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end
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end
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context 'with diff_head param passed' do
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before do
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allow(merge_request).to receive(:diffable_merge_ref?)
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.and_return(diffable_merge_ref)
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end
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context 'the merge request can be compared with head' do
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let(:diffable_merge_ref) { true }
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it 'compares diffs with the head' do
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create(:merge_request_diff, :merge_head, merge_request: merge_request)
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go(diff_head: true)
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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context 'the merge request cannot be compared with head' do
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let(:diffable_merge_ref) { false }
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it 'compares diffs with the base' do
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go(diff_head: true)
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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context 'with MR regular diff params' do
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subject { go }
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it_behaves_like 'serializes diffs metadata with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiff }
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let(:expected_options) do
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{
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environment: nil,
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merge_request: merge_request,
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merge_request_diff: merge_request.merge_request_diff,
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merge_request_diffs: merge_request.merge_request_diffs,
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start_version: nil,
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start_sha: nil,
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commit: nil,
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latest_diff: true,
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only_context_commits: false,
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allow_tree_conflicts: true,
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merge_ref_head_diff: nil
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}
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end
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end
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end
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context 'with commit param' do
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subject { go(commit_id: merge_request.diff_head_sha) }
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it_behaves_like 'serializes diffs metadata with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::Commit }
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let(:expected_options) do
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{
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environment: nil,
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merge_request: merge_request,
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merge_request_diff: nil,
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merge_request_diffs: merge_request.merge_request_diffs,
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start_version: nil,
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start_sha: nil,
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commit: merge_request.diff_head_commit,
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latest_diff: nil,
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only_context_commits: false,
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allow_tree_conflicts: true,
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merge_ref_head_diff: nil
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}
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end
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end
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end
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context 'when display_merge_conflicts_in_diff is disabled' do
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subject { go }
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before do
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stub_feature_flags(display_merge_conflicts_in_diff: false)
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end
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it_behaves_like 'serializes diffs metadata with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiff }
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let(:expected_options) do
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{
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environment: nil,
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merge_request: merge_request,
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merge_request_diff: merge_request.merge_request_diff,
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merge_request_diffs: merge_request.merge_request_diffs,
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start_version: nil,
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start_sha: nil,
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commit: nil,
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latest_diff: true,
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only_context_commits: false,
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allow_tree_conflicts: false,
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merge_ref_head_diff: nil
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}
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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 'GET diff_for_path' do
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def diff_for_path(extra_params = {})
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params = {
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namespace_id: project.namespace.to_param,
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project_id: project,
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id: merge_request.iid,
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format: 'json'
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}
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get :diff_for_path, params: params.merge(extra_params)
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end
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let(:existing_path) { 'files/ruby/popen.rb' }
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context 'when the merge request exists' do
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context 'when the user can view the merge request' do
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context 'when the path exists in the diff' do
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it 'enables diff notes' do
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diff_for_path(old_path: existing_path, new_path: existing_path)
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expect(assigns(:diff_notes_disabled)).to be_falsey
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expect(assigns(:new_diff_note_attrs)).to eq(noteable_type: 'MergeRequest',
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noteable_id: merge_request.id,
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commit_id: nil)
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end
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it 'only renders the diffs for the path given' do
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diff_for_path(old_path: existing_path, new_path: existing_path)
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paths = json_response['diff_files'].map { |file| file['new_path'] }
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expect(paths).to include(existing_path)
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end
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end
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end
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context 'when the user cannot view the merge request' do
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before do
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project.team.truncate
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diff_for_path(old_path: existing_path, new_path: existing_path)
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end
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it 'returns a 404' do
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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end
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context 'when the merge request does not exist' do
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before do
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diff_for_path(id: merge_request.iid.succ, old_path: existing_path, new_path: existing_path)
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end
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it 'returns a 404' do
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'when the merge request belongs to a different project' do
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let(:other_project) { create(:project) }
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before do
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other_project.add_maintainer(user)
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diff_for_path(old_path: existing_path, new_path: existing_path, project_id: other_project)
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end
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it 'returns a 404' do
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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end
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describe 'GET diffs_batch' do
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shared_examples_for 'serializes diffs with expected arguments' do
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it 'serializes paginated merge request diff collection' do
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expect_next_instance_of(PaginatedDiffSerializer) do |instance|
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expect(instance).to receive(:represent)
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.with(an_instance_of(collection), expected_options)
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.and_call_original
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end
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subject
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end
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end
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shared_examples_for 'successful request' do
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it 'returns success' do
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subject
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expect(response).to have_gitlab_http_status(:ok)
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end
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it 'tracks mr_diffs event' do
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expect(Gitlab::UsageDataCounters::MergeRequestActivityUniqueCounter)
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.to receive(:track_mr_diffs_action)
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.with(merge_request: merge_request)
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subject
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end
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context 'when DNT is enabled' do
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before do
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request.headers['DNT'] = '1'
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end
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it 'does not track any mr_diffs event' do
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expect(Gitlab::UsageDataCounters::MergeRequestActivityUniqueCounter)
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.not_to receive(:track_mr_diffs_action)
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expect(Gitlab::UsageDataCounters::MergeRequestActivityUniqueCounter)
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.not_to receive(:track_mr_diffs_single_file_action)
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subject
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end
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end
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context 'when user has view_diffs_file_by_file set to false' do
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before do
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user.update!(view_diffs_file_by_file: false)
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end
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it 'does not track single_file_diffs events' do
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expect(Gitlab::UsageDataCounters::MergeRequestActivityUniqueCounter)
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.not_to receive(:track_mr_diffs_single_file_action)
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subject
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end
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end
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context 'when user has view_diffs_file_by_file set to true' do
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before do
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user.update!(view_diffs_file_by_file: true)
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end
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it 'tracks single_file_diffs events' do
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expect(Gitlab::UsageDataCounters::MergeRequestActivityUniqueCounter)
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.to receive(:track_mr_diffs_single_file_action)
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.with(merge_request: merge_request, user: user)
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subject
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end
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end
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end
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def collection_arguments(pagination_data = {})
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{
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environment: nil,
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merge_request: merge_request,
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diff_view: :inline,
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merge_ref_head_diff: nil,
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allow_tree_conflicts: true,
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pagination_data: {
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total_pages: nil
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}.merge(pagination_data)
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}
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end
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def go(extra_params = {})
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params = {
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namespace_id: project.namespace.to_param,
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project_id: project,
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id: merge_request.iid,
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page: 0,
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per_page: 20,
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format: 'json'
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}
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get :diffs_batch, params: params.merge(extra_params)
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end
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it_behaves_like '404 for unexistent diffable'
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it_behaves_like 'show the right diff files with previous diff_id'
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context 'when not authorized' do
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let(:other_user) { create(:user) }
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before do
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sign_in(other_user)
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end
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it 'returns 404' do
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go
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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context 'with valid diff_id' do
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subject { go(diff_id: merge_request.merge_request_diff.id) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
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let(:expected_options) { collection_arguments(total_pages: 20).merge(merge_ref_head_diff: false) }
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end
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it_behaves_like 'successful request'
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end
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context 'with commit_id param' do
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subject { go(commit_id: merge_request.diff_head_sha) }
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it_behaves_like 'serializes diffs with expected arguments' do
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let(:collection) { Gitlab::Diff::FileCollection::Commit }
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let(:expected_options) { collection_arguments }
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end
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end
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context 'with diff_id and start_sha params' do
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subject do
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go(diff_id: merge_request.merge_request_diff.id,
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start_sha: merge_request.merge_request_diff.start_commit_sha)
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|
end
|
|
|
|
it_behaves_like 'serializes diffs with expected arguments' do
|
|
let(:collection) { Gitlab::Diff::FileCollection::Compare }
|
|
let(:expected_options) { collection_arguments.merge(merge_ref_head_diff: false) }
|
|
end
|
|
|
|
it_behaves_like 'successful request'
|
|
end
|
|
|
|
context 'with paths param' do
|
|
let(:example_file_path) { "README" }
|
|
let(:file_path_option) { { paths: [example_file_path] } }
|
|
|
|
subject do
|
|
go(file_path_option)
|
|
end
|
|
|
|
it_behaves_like 'serializes diffs with expected arguments' do
|
|
let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
|
|
let(:expected_options) do
|
|
collection_arguments(total_pages: 20)
|
|
end
|
|
end
|
|
|
|
it_behaves_like 'successful request'
|
|
|
|
it 'filters down the response to the expected file path' do
|
|
subject
|
|
|
|
expect(json_response["diff_files"].size).to eq(1)
|
|
expect(json_response["diff_files"].first["file_path"]).to eq(example_file_path)
|
|
end
|
|
end
|
|
|
|
context 'with default params' do
|
|
subject { go }
|
|
|
|
it_behaves_like 'serializes diffs with expected arguments' do
|
|
let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
|
|
let(:expected_options) { collection_arguments(total_pages: 20) }
|
|
end
|
|
|
|
it_behaves_like 'successful request'
|
|
end
|
|
|
|
context 'with smaller diff batch params' do
|
|
subject { go(page: 5, per_page: 5) }
|
|
|
|
it_behaves_like 'serializes diffs with expected arguments' do
|
|
let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
|
|
let(:expected_options) { collection_arguments(total_pages: 20) }
|
|
end
|
|
|
|
it_behaves_like 'successful request'
|
|
end
|
|
|
|
context 'when display_merge_conflicts_in_diff is disabled' do
|
|
before do
|
|
stub_feature_flags(display_merge_conflicts_in_diff: false)
|
|
end
|
|
|
|
subject { go }
|
|
|
|
it_behaves_like 'serializes diffs with expected arguments' do
|
|
let(:collection) { Gitlab::Diff::FileCollection::MergeRequestDiffBatch }
|
|
let(:expected_options) { collection_arguments(total_pages: 20).merge(allow_tree_conflicts: false) }
|
|
end
|
|
|
|
it_behaves_like 'successful request'
|
|
end
|
|
|
|
it_behaves_like 'forked project with submodules'
|
|
it_behaves_like 'cached diff collection'
|
|
|
|
context 'diff unfolding' do
|
|
let!(:unfoldable_diff_note) do
|
|
create(:diff_note_on_merge_request, :folded_position, project: project, noteable: merge_request)
|
|
end
|
|
|
|
let!(:diff_note) do
|
|
create(:diff_note_on_merge_request, project: project, noteable: merge_request)
|
|
end
|
|
|
|
it 'unfolds correct diff file positions' do
|
|
expect_next_instance_of(Gitlab::Diff::FileCollection::MergeRequestDiffBatch) do |instance|
|
|
expect(instance)
|
|
.to receive(:unfold_diff_files)
|
|
.with([unfoldable_diff_note.position])
|
|
.and_call_original
|
|
end
|
|
|
|
go
|
|
end
|
|
end
|
|
end
|
|
end
|