answers_controller_spec_june_15_5_tests_dont_pass.rb

require 'rails_helper'

RSpec.describe QuestionsController, type: :controller do
  sign_in_user
  let(:question) { create(:question, user: user) }
  let(:user) { create(:user) }

  describe 'GET #index' do
    let(:questions) { create_list(:question, 2) }
    before { get :index }

    it 'populates an array of all questions' do
      expect(assigns(:questions)).to match_array(questions)
    end

    it 'renders index view' do
      expect(response).to render_template :index
    end
  end

  describe 'GET #show' do
    before { get :show, params: { id: question} }

    it 'assigns the requested question to @question' do
      expect(assigns(:question)).to eq question
    end

    it 'renders show view' do
      expect(response).to render_template :show
    end
  end

 describe 'GET #new' do
    before { get :new }

    it 'assigns a new Question to @question' do
      expect(assigns(:question)).to be_a_new(Question)
    end

    it 'renders new view' do
      expect(response).to render_template :new
    end
  end

 describe 'GET #edit' do
   before { get :edit, params: { id: question} }

   it 'assign the requested question to @question' do
     expect(assigns(:question)).to eq question
   end

   it 'renders edit view' do
     expect(response).to render_template :edit
   end
  end

  describe 'POST #create' do
    context '1) with valid attributes' do
      it 'saves the new question to the db' do
        expect { post :create, params: { user_id: user, question: attributes_for(:question) } }.to change(Question, :count).by(1)
      end

      it 'redirects to show view' do
        post :create, params: { question: attributes_for(:question) }
        expect(response).to redirect_to (assigns(:question)) #
      end
    end
  end

    context '2) with invalid attributes' do
      it 'does not save the question' do
        expect { post :create, params: { question: attributes_for(:invalid_question) } }.to_not change(Question, :count)
      end

      it 're-renders new view' do
        post :create, params: { question: attributes_for(:invalid_question) }
        expect(response).to render_template :new
      end
    end
  end

  describe 'DELETE #destroy' do
    before { question }

    context '1) autheticated user deletes his question' do
      let(:question) { create(:question, user: @user) }

      it 'deletes question' do
        expect { delete :destroy, params: { id: question } }.to change(Question, :count).by(-1)
      end

      it 'redirects to index view' do
        delete :destroy, params: { id: question }
        expect(response).to redirect_to questions_path
     end
   end
    context '2) authenticated user tries to delete some other users question' do
      let(:question) { create(:question) }

      it 'tries to delete question' do
        expect { delete :destroy, params: { id: question } }.to_not change(Question, :count)
      end
    end
  end

questions_controller_spec_june_15_5_tests_dont_pass.rb

require 'rails_helper'

RSpec.describe AnswersController, type: :controller do
  sign_in_user
  let(:question) { create(:question) }
  let(:answer) { create(:answer) }

  describe 'DELETE #destroy' do
  before { answer }

  context "1) user deletes his answer" do
    it 'deletes answer' do
      expect { delete :destroy, params: { question_id: question, id: answer } }
        .to change(Answer, :count).by(-1)
    end

    it 'redirects to question' do
      delete :destroy, params: { question_id: question, id: answer }
      expect(response).to be_successful
    end
  end
end
  context '2) tries to delete answer which he is not the author of' do
  let(:answer) { create(:answer, question: question) }

  it 'does not delete the answer' do
    expect { delete :destroy, params: { question_id: question, id: answer } }
    .to_not change(Answer, :count)
  end
end

  describe 'POST #create' do
    context '1) with valid attributes' do

      it 'saves new users answer to the db' do
        expect { post :create, params: { question_id: question, answer: attributes_for(:answer) } }.to change(question.answers, :count).by(1)
      end

      it 'creates and saves new answer to db for a logged in user' do
      expect { post :create, params: { question_id: question.id, answer: attributes_for(:answer) } }.to change(@user.answers, :count).by(1)
      end

      it 'redirects to show view of a question' do
        post :create, params: { question_id: question,
                                answer: attributes_for(:answer) }
        expect(response).to redirect_to question_path(question)
      end
    end

    context '2) with invalid attributes' do
      it 'does not save new anwser to db' do
        expect { post :create, params: { question_id: question,
                 answer: attributes_for(:invalid_answer) } }.to_not change(Answer, :count)
      end

      it 're-renders new view' do
        post :create, params: { question_id: question,
                                answer: attributes_for(:invalid_answer) }
        expect(response).to render_template 'questions/show'
      end
    end
  end

end