User controller rspec

spec/controllers/users_controller_spec.rb

@@ -0,0 +1,69 @@
+require 'rails_helper'
+
+RSpec.describe UsersController, type: :controller do
+  describe '#index' do
+    it 'redirects to home page' do
+      get :index
+      expect(response).to redirect_to(root_path)
+    end
+  end
+
+  let(:user){ create(:user) }
+  describe '#create' do
+    context 'with valid params' do
+      def valid_user
+        post :create, params: { user: attributes_for(:user)}
+      end
+
+      it 'saves a record to the database' do
+        count_before = User.count
+        valid_user
+
+        count_after = User.count
+        expect(count_after).to eq(count_before + 1)
+      end
+
+      it 'saves session id of current user' do
+        # u = create(:user)
+        # expect(session[:user_id]).to eq(u.id)
+
+        valid_user
+        expect(session[:user_id]).not_to eq(nil)
+      end
+    end
+
+    context 'with invalid params' do
+      def invalid_user
+        post :create, params: { user: attributes_for(:user, email: nil)}
+      end
+
+      it 'does not save a record to the database' do
+        count_before = User.count
+        invalid_user
+
+        count_after = User.count
+        expect(count_after).to eq(count_before)
+      end
+
+      it 'renders the new template' do
+        invalid_user
+        expect(response).to render_template(:new)
+      end
+    end
+  end
+
+  describe '#show' do
+    it 'renders the show template' do
+      user = create(:user)
+      get :show, params: { id: user.id }
+      expect(response).to render_template(:show)
+    end
+
+    it 'user id is passed' do
+      user = create(:user)
+      get :show, params: { id: user.id }
+      expect(assigns(:user)).to eq(user)
+    end
+  end
+
+end

spec/rails_helper.rb

@@ -35,6 +35,8 @@
   # instead of true.
   config.use_transactional_fixtures = true
 
+  config.include FactoryGirl::Syntax::Methods
+
   # RSpec Rails can automatically mix in different behaviours to your tests
   # based on their file location, for example enabling you to call `get` and
   # `post` in specs under `spec/controllers`.