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Contents
require 'spec_helper'
describe Praxis::Extensions::Rendering do
let(:test_class) do
Struct.new(:media_type, :expanded_fields, :response, :request) do |klass|
include Praxis::Extensions::Rendering
end
end
let(:media_type) { Person }
let(:expanded_fields) { {id: true, name: true} }
let(:response) { double('response', headers: {}) }
let(:request) { double('request') }
let(:object) { {id: '1', name: 'bob', href: '/people/bob'} }
subject(:instance) { test_class.new(media_type, expanded_fields, response, request) }
context '#render' do
subject(:output) { instance.render(object) }
it 'loads and renders the object' do
expect(output).to eq(id: 1, name: 'bob')
end
end
context '#display' do
context 'without exception' do
before do
expect(response).to receive(:body=).with({id: 1, name: 'bob'})
end
subject!(:output) { instance.display(object) }
it 'returns the response' do
expect(output).to be(response)
end
it 'sets the Content-Type header' do
expect(response.headers['Content-Type']).to eq 'application/vnd.acme.person'
end
end
context 'with a rendering exception' do
let(:handler_params) do
{
summary: "Circular Rendering Error when rendering response. " +
"Please especify a view to narrow the dependent fields, or narrow your field set.",
exception: circular_exception,
request: request,
stage: :action,
errors: nil
}
end
let(:circular_exception){ Praxis::Renderer::CircularRenderingError.new(object, "ctx") }
it 'catches a circular rendering exception' do
expect(instance).to receive(:render).and_raise(circular_exception)
expect(Praxis::Application.instance.validation_handler).to receive(:handle!).with(handler_params)
instance.display(object)
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems