Add test for the dogs#index action

Gemfile

@@ -73,6 +73,9 @@ group :test do
   gem "selenium-webdriver", ">= 4.1.0"
   gem "webdrivers", "5.0.0"
   gem 'rexml', '~> 3.2.5'
+
+  # Provides extra assertions and matchers for testing controllers and views
+  gem 'rails-controller-testing'
 end
 
 gem 'devise'

Gemfile.lock

@@ -181,6 +181,10 @@ GEM
       activesupport (= 7.0.2.4)
       bundler (>= 1.15.0)
       railties (= 7.0.2.4)
+    rails-controller-testing (1.0.5)
+      actionpack (>= 5.0.1.rc1)
+      actionview (>= 5.0.1.rc1)
+      activesupport (>= 5.0.1.rc1)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
@@ -271,6 +275,7 @@ DEPENDENCIES
   pg (~> 1.4.1)
   puma (~> 5.6.4)
   rails (~> 7.0.2.2)
+  rails-controller-testing
   react-rails (~> 2.6.1)
   rexml (~> 3.2.5)
   rolify

test/controllers/dogs_controller_test.rb

@@ -0,0 +1,14 @@
+require "test_helper"
+
+class DogsControllerTest < ActionController::TestCase
+
+  test "should get index with proper content" do
+    get :index
+
+    assert_response :success
+    assert_not_nil assigns(:dogs)
+    assert_includes @response.body, "Fosterable Dogs"
+    assert_includes @response.body, "Thinking about fostering? These adorable dogs from local rescues need someone to foster them while they await their furever home. Click on a dog below to see more information about each dog."
+  end
+
+end