sqm-dashboards/spec/controllers/legacy/districts_controller_spec.rb

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) {
      { name: 'Milford' }
    }

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

    # 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 {
            post :create, params: { district: valid_attributes }, session: valid_session
          }.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) {
          { name: 'New District' }
        }

        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 {
          delete :destroy, params: { id: district.to_param }, session: valid_session
        }.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