require 'rails_helper'

module Legacy
  RSpec.describe DistrictsController, type: :controller do
    # This should return the minimal set of attributes required to create a valid
    # District. As you add validations to District, be sure to
    # adjust the attributes here as well.
    let(:valid_attributes) do
      { name: 'Milford' }
    end

    let(:invalid_attributes) do
      { name: '' }
    end

    # This should return the minimal set of values that should be in the session
    # in order to pass any filters (e.g. authentication) defined in
    # DistrictsController. Be sure to keep this updated too.
    let(:valid_session) { {} }

    describe 'GET #index' do
      it 'assigns all districts as @districts' do
        get :index, params: {}, session: valid_session
        expect(assigns(:districts)).to eq(District.all.alphabetic)
      end
    end

    describe 'GET #show' do
      it 'assigns the requested district as @district' do
        district = District.create! valid_attributes
        get :show, params: { id: district.to_param }, session: valid_session
        expect(assigns(:district)).to eq(district)
      end
    end

    describe 'GET #new' do
      it 'assigns a new district as @district' do
        get :new, params: {}, session: valid_session
        expect(assigns(:district)).to be_a_new(District)
      end
    end

    describe 'GET #edit' do
      it 'assigns the requested district as @district' do
        district = District.create! valid_attributes
        get :edit, params: { id: district.to_param }, session: valid_session
        expect(assigns(:district)).to eq(district)
      end
    end

    describe 'POST #create' do
      context 'with valid params' do
        it 'creates a new District' do
          expect do
            post :create, params: { district: valid_attributes }, session: valid_session
          end.to change(District, :count).by(1)
        end

        it 'assigns a newly created district as @district' do
          post :create, params: { district: valid_attributes }, session: valid_session
          expect(assigns(:district)).to be_a(District)
          expect(assigns(:district)).to be_persisted
        end

        it 'redirects to the created district' do
          post :create, params: { district: valid_attributes }, session: valid_session
          expect(response).to redirect_to(District.last)
        end
      end

      context 'with invalid params' do
        it 'assigns a newly created but unsaved district as @district' do
          post :create, params: { district: invalid_attributes }, session: valid_session
          expect(assigns(:district)).to be_a_new(District)
        end

        it "re-renders the 'new' template" do
          post :create, params: { district: invalid_attributes }, session: valid_session
          expect(response).to render_template('new')
        end
      end
    end

    describe 'PUT #update' do
      context 'with valid params' do
        let(:new_attributes) do
          { name: 'New District' }
        end

        it 'updates the requested district' do
          district = District.create! valid_attributes
          put :update, params: { id: district.to_param, district: new_attributes }, session: valid_session
          district.reload
          expect(district.name).to eq('New District')
        end

        it 'assigns the requested district as @district' do
          district = District.create! valid_attributes
          put :update, params: { id: district.to_param, district: valid_attributes }, session: valid_session
          expect(assigns(:district)).to eq(district)
        end

        it 'redirects to the district' do
          district = District.create! valid_attributes
          put :update, params: { id: district.to_param, district: valid_attributes }, session: valid_session
          expect(response).to redirect_to(district)
        end
      end

      context 'with invalid params' do
        it 'assigns the district as @district' do
          district = District.create! valid_attributes
          put :update, params: { id: district.to_param, district: invalid_attributes }, session: valid_session
          expect(assigns(:district)).to eq(district)
        end

        it "re-renders the 'edit' template" do
          district = District.create! valid_attributes
          put :update, params: { id: district.to_param, district: invalid_attributes }, session: valid_session
          expect(response).to render_template('edit')
        end
      end
    end

    describe 'DELETE #destroy' do
      it 'destroys the requested district' do
        district = District.create! valid_attributes
        expect do
          delete :destroy, params: { id: district.to_param }, session: valid_session
        end.to change(District, :count).by(-1)
      end

      it 'redirects to the districts list' do
        district = District.create! valid_attributes
        delete :destroy, params: { id: district.to_param }, session: valid_session
        expect(response).to redirect_to(districts_url)
      end
    end
  end
end