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require 'spec_helper'
describe EnvironmentSerializer do
let(:user) { create(:user) }
let(:project) { create(:empty_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(:empty_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(project: project).within_folders
end
let(:resource) { Environment.all }
subject { serializer.represent(resource) }
context 'when there is a single environment' do
before { create(:environment, name: 'staging') }
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(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 { create(:environment) }
it 'serializes environments' do
expect(subject.first).to have_key :id
end
end
context 'when multiple environment objects are serialized' do
before { create_list(:environment, 3) }
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(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
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