require 'rails_helper' RSpec.describe TopicsController, type: :controller do let(:topic) { create(:topic) } let(:valid_attributes) { topic.attributes.except('id') } let(:invalid_attributes) { { permission: :invalid_lol } } before :each do sign_in create(:user) end describe 'POST #create' do context 'with valid params' do it 'creates a new Topic' do topic.reload # ensure it's created expect do post :create, format: :json, params: { topic: valid_attributes } end.to change(Topic, :count).by(1) end it 'assigns a newly created topic as @topic' do post :create, format: :json, params: { topic: valid_attributes } expect(comparable(Topic.last)).to eq comparable(topic) end it 'returns 201 CREATED' do post :create, format: :json, params: { topic: valid_attributes } expect(response.status).to eq 201 end end context 'with invalid params' do it 'assigns a newly created but unsaved topic as @topic' do post :create, format: :json, params: { topic: invalid_attributes } expect(Topic.count).to eq 0 end end end describe 'PUT #update' do context 'with valid params' do let(:new_attributes) do { name: 'Cool Topic with no number', desc: 'This is a cool topic.', link: 'https://cool-topics.com/4', permission: :public } end it 'updates the requested topic' do put :update, format: :json, params: { id: topic.to_param, topic: new_attributes } topic.reload expect(topic.name).to eq 'Cool Topic with no number' expect(topic.desc).to eq 'This is a cool topic.' expect(topic.link).to eq 'https://cool-topics.com/4' expect(topic.permission).to eq 'public' end it 'assigns the requested topic as @topic' do put :update, format: :json, params: { id: topic.to_param, topic: valid_attributes } expect(Topic.last).to eq(topic) end it 'returns status of no content' do put :update, format: :json, params: { id: topic.to_param, topic: valid_attributes } expect(response.status).to eq 204 end end context 'with invalid params' do it 'assigns the topic as @topic' do put :update, format: :json, params: { id: topic.to_param, topic: invalid_attributes } expect(Topic.last).to eq topic end end end describe 'DELETE #destroy' do let(:owned_topic) { create(:topic, user: controller.current_user) } it 'destroys the requested topic' do owned_topic.reload # ensure it's there expect do delete :destroy, format: :json, params: { id: owned_topic.to_param } end.to change(Topic, :count).by(-1) expect(response.body).to eq '' expect(response.status).to eq 204 end end end