require 'rails_helper' describe SessionsController do describe "#create" do subject { get :create, token: 'the-to-ken' } let(:login_service) { double(:login_service) } before do allow(controller).to receive(:login_service) { login_service } allow(login_service).to receive(:validate).with('the-to-ken') { user } end context "when token is successfully validated" do let(:user) { stub_model(User) } before do allow(controller).to receive(:current_user=) subject end it "sets the current_user" do expect(controller).to have_received(:current_user=).with(user) end it "sets a notice" do expect(flash[:notice]).to_not be_blank end context "when user has username" do let(:user) { User.new(username: "foobar") } it "redirects to user's profile" do should redirect_to(public_profile_path(username: "foobar")) end end context "when user has no username" do let(:user) { User.new } it "redirects to new username page" do should redirect_to(new_username_path) end end end context "when token is not validated" do let(:user) { nil } before do subject end it "displays error" do should render_template('error') end end end describe "#destroy" do before do allow(controller).to receive(:current_user=) get :destroy end it "sets current_user to nil" do expect(controller).to have_received(:current_user=).with(nil) end it "redirects to root_path with a notice" do expect(flash[:notice]).to_not be_blank should redirect_to(root_path) end end end