require 'spec_helper' describe EnvironmentSerializer do let(:user) { create(:user) } let(:project) { create(:project) } let(:json) do described_class .new(current_user: user, project: project) .represent(resource) end context 'when there is a single object provided' do let(:project) { create(:project, :repository) } let(:deployable) { create(:ci_build) } let(:deployment) do create(:deployment, deployable: deployable, user: user, project: project, sha: project.commit.id) end let(:resource) { deployment.environment } before do create(:ci_build, :manual, name: 'manual1', pipeline: deployable.pipeline) end it 'contains important elements of environment' do expect(json) .to include(:name, :external_url, :environment_path, :last_deployment) end it 'contains relevant information about last deployment' do last_deployment = json.fetch(:last_deployment) expect(last_deployment) .to include(:ref, :user, :commit, :deployable, :manual_actions) end end context 'when there is a collection of objects provided' do let(:project) { create(:project) } let(:resource) { create_list(:environment, 2) } it 'contains important elements of environment' do expect(json.first) .to include(:last_deployment, :name, :external_url) end it 'generates payload for collection' do expect(json).to be_an_instance_of Array end end context 'when representing environments within folders' do let(:serializer) do described_class .new(current_user: user, project: project) .within_folders end let(:resource) { Environment.all } subject { serializer.represent(resource) } context 'when there is a single environment' do before do create(:environment, name: 'staging') end it 'represents one standalone environment' do expect(subject.count).to eq 1 expect(subject.first[:name]).to eq 'staging' expect(subject.first[:size]).to eq 1 expect(subject.first[:latest][:name]).to eq 'staging' end end context 'when there are multiple environments in folder' do before do create(:environment, name: 'staging/my-review-1') create(:environment, name: 'staging/my-review-2') end it 'represents one item that is a folder' do expect(subject.count).to eq 1 expect(subject.first[:name]).to eq 'staging' expect(subject.first[:size]).to eq 2 expect(subject.first[:latest][:name]).to eq 'staging/my-review-2' expect(subject.first[:latest][:environment_type]).to eq 'staging' end end context 'when there are multiple folders and standalone environments' do before do create(:environment, name: 'staging/my-review-1') create(:environment, name: 'staging/my-review-2') create(:environment, name: 'production/my-review-3') create(:environment, name: 'testing') end it 'represents multiple items grouped within folders' do expect(subject.count).to eq 3 expect(subject.first[:name]).to eq 'production' expect(subject.first[:size]).to eq 1 expect(subject.first[:latest][:name]).to eq 'production/my-review-3' expect(subject.first[:latest][:environment_type]).to eq 'production' expect(subject.second[:name]).to eq 'staging' expect(subject.second[:size]).to eq 2 expect(subject.second[:latest][:name]).to eq 'staging/my-review-2' expect(subject.second[:latest][:environment_type]).to eq 'staging' expect(subject.third[:name]).to eq 'testing' expect(subject.third[:size]).to eq 1 expect(subject.third[:latest][:name]).to eq 'testing' expect(subject.third[:latest][:environment_type]).to be_nil end end end context 'when used with pagination' do let(:request) { spy('request') } let(:response) { spy('response') } let(:resource) { Environment.all } let(:pagination) { { page: 1, per_page: 2 } } let(:serializer) do described_class .new(current_user: user, project: project) .with_pagination(request, response) end before do allow(request).to receive(:query_parameters) .and_return(pagination) end subject { serializer.represent(resource) } it 'creates a paginated serializer' do expect(serializer).to be_paginated end context 'when resource is paginatable relation' do context 'when there is a single environment object in relation' do before do create(:environment) end it 'serializes environments' do expect(subject.first).to have_key :id end end context 'when multiple environment objects are serialized' do before do create_list(:environment, 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 context 'when grouping environments within folders' do let(:serializer) do described_class .new(current_user: user, project: project) .with_pagination(request, response) .within_folders end before do create(:environment, name: 'staging/review-1') create(:environment, name: 'staging/review-2') create(:environment, name: 'production/deploy-3') create(:environment, name: 'testing') end it 'paginates grouped items including ordering' do expect(subject.count).to eq 2 expect(subject.first[:name]).to eq 'production' expect(subject.second[:name]).to eq 'staging' end it 'appends correct total page count header' do expect(subject).not_to be_empty expect(response).to have_received(:[]=).with('X-Total', '3') end it 'appends correct page count headers' do expect(subject).not_to be_empty expect(response).to have_received(:[]=).with('X-Total-Pages', '2') expect(response).to have_received(:[]=).with('X-Per-Page', '2') end end end end end