gitlab-org--gitlab-foss/spec/serializers/merge_request_widget_entity_spec.rb
Alejandro Rodríguez c277aac9dc Don't do a commit lookup to present the MR entity, just return the sha
The MergeRequestWidgetEntity is used a lot in AJAX requests, and shaving
that git operation will hopefully translate in a performance improvement
2018-03-06 22:49:50 -03:00

207 lines
6.2 KiB
Ruby

require 'spec_helper'
describe MergeRequestWidgetEntity do
let(:project) { create :project, :repository }
let(:resource) { create(:merge_request, source_project: project, target_project: project) }
let(:user) { create(:user) }
let(:request) { double('request', current_user: user, project: project) }
subject do
described_class.new(resource, request: request).as_json
end
describe 'pipeline' do
let(:pipeline) { create(:ci_empty_pipeline, project: project, ref: resource.source_branch, sha: resource.source_branch_sha, head_pipeline_of: resource) }
context 'when is up to date' do
let(:req) { double('request', current_user: user, project: project) }
it 'returns pipeline' do
pipeline_payload = PipelineDetailsEntity
.represent(pipeline, request: req)
.as_json
expect(subject[:pipeline]).to eq(pipeline_payload)
end
end
context 'when is not up to date' do
it 'returns nil' do
pipeline.update(sha: "not up to date")
expect(subject[:pipeline]).to be_nil
end
end
end
describe 'metrics' do
context 'when metrics record exists with merged data' do
before do
resource.mark_as_merged!
resource.metrics.update!(merged_by: user)
end
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from metrics record' do
expect(subject.dig(:metrics, :merged_by, :id))
.to eq(resource.metrics.merged_by_id)
end
end
context 'when metrics record exists with closed data' do
before do
resource.close!
resource.metrics.update!(latest_closed_by: user)
end
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from metrics record' do
expect(subject.dig(:metrics, :closed_by, :id))
.to eq(resource.metrics.latest_closed_by_id)
end
end
context 'when metrics does not exists' do
before do
resource.mark_as_merged!
resource.metrics.destroy!
resource.reload
end
context 'when events exists' do
let!(:closed_event) { create(:event, :closed, project: project, target: resource) }
let!(:merge_event) { create(:event, :merged, project: project, target: resource) }
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
it 'returns values from events record' do
expect(subject.dig(:metrics, :merged_by, :id))
.to eq(merge_event.author_id)
expect(subject.dig(:metrics, :closed_by, :id))
.to eq(closed_event.author_id)
expect(subject.dig(:metrics, :merged_at).to_s)
.to eq(merge_event.updated_at.to_s)
expect(subject.dig(:metrics, :closed_at).to_s)
.to eq(closed_event.updated_at.to_s)
end
end
context 'when events does not exists' do
it 'matches merge request metrics schema' do
expect(subject[:metrics].with_indifferent_access)
.to match_schema('entities/merge_request_metrics')
end
end
end
end
it 'has email_patches_path' do
expect(subject[:email_patches_path])
.to eq("/#{resource.project.full_path}/merge_requests/#{resource.iid}.patch")
end
it 'has plain_diff_path' do
expect(subject[:plain_diff_path])
.to eq("/#{resource.project.full_path}/merge_requests/#{resource.iid}.diff")
end
it 'has merge_commit_message_with_description' do
expect(subject[:merge_commit_message_with_description])
.to eq(resource.merge_commit_message(include_description: true))
end
describe 'new_blob_path' do
context 'when user can push to project' do
it 'returns path' do
project.add_developer(user)
expect(subject[:new_blob_path])
.to eq("/#{resource.project.full_path}/new/#{resource.source_branch}")
end
end
context 'when user cannot push to project' do
it 'returns nil' do
expect(subject[:new_blob_path]).to be_nil
end
end
end
describe 'diff_head_sha' do
before do
allow(resource).to receive(:diff_head_sha) { 'sha' }
end
context 'when diff head commit is empty' do
it 'returns nil' do
allow(resource).to receive(:diff_head_sha) { '' }
expect(subject[:diff_head_sha]).to be_nil
end
end
context 'when diff head commit present' do
it 'returns diff head commit short id' do
expect(subject[:diff_head_sha]).to eq('sha')
end
end
end
describe 'diverged_commits_count' do
context 'when MR open and its diverging' do
it 'returns diverged commits count' do
allow(resource).to receive_messages(open?: true, diverged_from_target_branch?: true,
diverged_commits_count: 10)
expect(subject[:diverged_commits_count]).to eq(10)
end
end
context 'when MR is not open' do
it 'returns 0' do
allow(resource).to receive_messages(open?: false)
expect(subject[:diverged_commits_count]).to be_zero
end
end
context 'when MR is not diverging' do
it 'returns 0' do
allow(resource).to receive_messages(open?: true, diverged_from_target_branch?: false)
expect(subject[:diverged_commits_count]).to be_zero
end
end
end
describe 'when source project is deleted' do
let(:project) { create(:project, :repository) }
let(:fork_project) { create(:project, :repository, forked_from_project: project) }
let(:merge_request) { create(:merge_request, source_project: fork_project, target_project: project) }
it 'returns a blank rebase_path' do
allow(merge_request).to receive(:should_be_rebased?).and_return(true)
fork_project.destroy
merge_request.reload
entity = described_class.new(merge_request, request: request).as_json
expect(entity[:rebase_path]).to be_nil
end
end
end