growstuff/spec/controllers/roles_controller_spec.rb

require 'spec_helper'

describe RolesController do

  def valid_attributes
    { "name" => "MyString" }
  end

  login_member(:admin_member)

  describe "GET index" do
    it "assigns all roles as @roles" do
      role = Role.create! valid_attributes
      get :index, {}
      # note that admin role exists because of login_admin_member
      assigns(:roles).should eq([Role.find_by_name('admin'), role])
    end
  end

  describe "GET show" do
    it "assigns the requested role as @role" do
      role = Role.create! valid_attributes
      get :show, {:id => role.to_param}
      assigns(:role).should eq(role)
    end
  end

  describe "GET new" do
    it "assigns a new role as @role" do
      get :new, {}
      assigns(:role).should be_a_new(Role)
    end
  end

  describe "GET edit" do
    it "assigns the requested role as @role" do
      role = Role.create! valid_attributes
      get :edit, {:id => role.to_param}
      assigns(:role).should eq(role)
    end
  end

  describe "POST create" do
    describe "with valid params" do
      it "creates a new Role" do
        expect {
          post :create, {:role => valid_attributes}
        }.to change(Role, :count).by(1)
      end

      it "assigns a newly created role as @role" do
        post :create, {:role => valid_attributes}
        assigns(:role).should be_a(Role)
        assigns(:role).should be_persisted
      end

      it "redirects to the created role" do
        post :create, {:role => valid_attributes}
        response.should redirect_to(Role.last)
      end
    end

    describe "with invalid params" do
      it "assigns a newly created but unsaved role as @role" do
        # Trigger the behavior that occurs when invalid params are submitted
        Role.any_instance.stub(:save).and_return(false)
        post :create, {:role => { "name" => "invalid value" }}
        assigns(:role).should be_a_new(Role)
      end

      it "re-renders the 'new' template" do
        # Trigger the behavior that occurs when invalid params are submitted
        Role.any_instance.stub(:save).and_return(false)
        post :create, {:role => { "name" => "invalid value" }}
        response.should render_template("new")
      end
    end
  end

  describe "PUT update" do
    describe "with valid params" do
      it "updates the requested role" do
        role = Role.create! valid_attributes
        # Assuming there are no other roles in the database, this
        # specifies that the Role created on the previous line
        # receives the :update_attributes message with whatever params are
        # submitted in the request.
        Role.any_instance.should_receive(:update_attributes).with({ "name" => "MyString" })
        put :update, {:id => role.to_param, :role => { "name" => "MyString" }}
      end

      it "assigns the requested role as @role" do
        role = Role.create! valid_attributes
        put :update, {:id => role.to_param, :role => valid_attributes}
        assigns(:role).should eq(role)
      end

      it "redirects to the role" do
        role = Role.create! valid_attributes
        put :update, {:id => role.to_param, :role => valid_attributes}
        response.should redirect_to(role)
      end
    end

    describe "with invalid params" do
      it "assigns the role as @role" do
        role = Role.create! valid_attributes
        # Trigger the behavior that occurs when invalid params are submitted
        Role.any_instance.stub(:save).and_return(false)
        put :update, {:id => role.to_param, :role => { "name" => "invalid value" }}
        assigns(:role).should eq(role)
      end

      it "re-renders the 'edit' template" do
        role = Role.create! valid_attributes
        # Trigger the behavior that occurs when invalid params are submitted
        Role.any_instance.stub(:save).and_return(false)
        put :update, {:id => role.to_param, :role => { "name" => "invalid value" }}
        response.should render_template("edit")
      end
    end
  end

  describe "DELETE destroy" do
    it "destroys the requested role" do
      role = Role.create! valid_attributes
      expect {
        delete :destroy, {:id => role.to_param}
      }.to change(Role, :count).by(-1)
    end

    it "redirects to the roles list" do
      role = Role.create! valid_attributes
      delete :destroy, {:id => role.to_param}
      response.should redirect_to(roles_url)
    end
  end

end