gitlab-org--gitlab-foss/spec/serializers/pipeline_serializer_spec.rb
2018-06-07 16:54:41 +00:00

186 lines
5.5 KiB
Ruby

require 'spec_helper'
describe PipelineSerializer do
set(:project) { create(:project, :repository) }
set(:user) { create(:user) }
let(:serializer) do
described_class.new(current_user: user)
end
before do
stub_feature_flags(ci_pipeline_persisted_stages: true)
end
subject { serializer.represent(resource) }
describe '#represent' do
context 'when used without pagination' do
it 'created a not paginated serializer' do
expect(serializer).not_to be_paginated
end
context 'when a single object is being serialized' do
let(:resource) { create(:ci_empty_pipeline, project: project) }
it 'serializers the pipeline object' do
expect(subject[:id]).to eq resource.id
end
end
context 'when multiple objects are being serialized' do
let(:resource) { create_list(:ci_pipeline, 2, project: project) }
it 'serializers the array of pipelines' do
expect(subject).not_to be_empty
end
end
end
context 'when used with pagination' do
let(:request) { spy('request') }
let(:response) { spy('response') }
let(:pagination) { {} }
before do
allow(request)
.to receive(:query_parameters)
.and_return(pagination)
end
let(:serializer) do
described_class.new(current_user: user)
.with_pagination(request, response)
end
it 'created a paginated serializer' do
expect(serializer).to be_paginated
end
context 'when resource is not paginatable' do
context 'when a single pipeline object is being serialized' do
let(:resource) { create(:ci_empty_pipeline) }
let(:pagination) { { page: 1, per_page: 1 } }
it 'raises error' do
expect { subject }.to raise_error(
Gitlab::Serializer::Pagination::InvalidResourceError)
end
end
end
context 'when resource is paginatable relation' do
let(:resource) { Ci::Pipeline.all }
let(:pagination) { { page: 1, per_page: 2 } }
context 'when a single pipeline object is present in relation' do
before do
create(:ci_empty_pipeline)
end
it 'serializes pipeline relation' do
expect(subject.first).to have_key :id
end
end
context 'when a multiple pipeline objects are being serialized' do
before do
create_list(:ci_empty_pipeline, 3)
end
it 'serializes appropriate number of objects' do
expect(subject.count).to be 2
end
it 'appends relevant headers' do
expect(response).to receive(:[]=).with('X-Total', '3')
expect(response).to receive(:[]=).with('X-Total-Pages', '2')
expect(response).to receive(:[]=).with('X-Per-Page', '2')
subject
end
end
end
end
describe 'number of queries when preloaded' do
subject { serializer.represent(resource, preload: true) }
let(:resource) { Ci::Pipeline.all }
before do
# Since RequestStore.active? is true we have to allow the
# gitaly calls in this block
# Issue: https://gitlab.com/gitlab-org/gitlab-ce/issues/37772
Gitlab::GitalyClient.allow_n_plus_1_calls do
Ci::Pipeline::COMPLETED_STATUSES.each do |status|
create_pipeline(status)
end
end
Gitlab::GitalyClient.reset_counts
end
context 'with the same ref' do
let(:ref) { 'feature' }
it 'verifies number of queries', :request_store do
recorded = ActiveRecord::QueryRecorder.new { subject }
expect(recorded.count).to be_within(2).of(27)
expect(recorded.cached_count).to eq(0)
end
end
context 'with different refs' do
def ref
@sequence ||= 0
@sequence += 1
"feature-#{@sequence}"
end
it 'verifies number of queries', :request_store do
recorded = ActiveRecord::QueryRecorder.new { subject }
# For each ref there is a permission check if maintainer can update
# pipeline. With the same ref this check is cached but if refs are
# different then there is an extra query per ref
# https://gitlab.com/gitlab-org/gitlab-ce/issues/46368
expect(recorded.count).to be_within(2).of(30)
expect(recorded.cached_count).to eq(0)
end
end
def create_pipeline(status)
create(:ci_empty_pipeline,
project: project,
status: status,
ref: ref).tap do |pipeline|
Ci::Build::AVAILABLE_STATUSES.each do |status|
create_build(pipeline, status, status)
end
end
end
def create_build(pipeline, stage, status)
create(:ci_build, :tags, :triggered, :artifacts,
pipeline: pipeline, stage: stage,
name: stage, status: status, ref: pipeline.ref)
end
end
end
describe '#represent_status' do
context 'when represents only status' do
let(:resource) { create(:ci_pipeline) }
let(:status) { resource.detailed_status(double('user')) }
subject { serializer.represent_status(resource) }
it 'serializes only status' do
expect(subject[:text]).to eq(status.text)
expect(subject[:label]).to eq(status.label)
expect(subject[:icon]).to eq(status.icon)
expect(subject[:favicon]).to match_asset_path("/assets/ci_favicons/#{status.favicon}.png")
end
end
end
end