gitlab-org--gitlab-foss/spec/serializers/pipeline_serializer_spec.rb
2017-02-23 09:31:56 -06:00

97 lines
2.7 KiB
Ruby

require 'spec_helper'
describe PipelineSerializer do
let(:user) { create(:user) }
let(:serializer) do
described_class.new(user: user)
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) }
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) }
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(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 { create(:ci_empty_pipeline) }
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 { create_list(:ci_empty_pipeline, 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
end
end
end
end