Add User Controller Tests

Gemfile

@@ -33,3 +33,4 @@ gem 'bcrypt', '~> 3.1.7'
 
 gem 'jwt'
 
+gem 'rails-controller-testing'

Gemfile.lock

@@ -166,6 +166,10 @@ GEM
       activesupport (= 7.1.5)
       bundler (>= 1.15.0)
       railties (= 7.1.5)
+    rails-controller-testing (1.0.5)
+      actionpack (>= 5.0.1.rc1)
+      actionview (>= 5.0.1.rc1)
+      activesupport (>= 5.0.1.rc1)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -228,6 +232,7 @@ DEPENDENCIES
   pg (~> 1.5)
   puma (>= 5.0)
   rails (~> 7.1.2)
+  rails-controller-testing
   sprockets-rails
   stimulus-rails
   turbo-rails

app/controllers/user_controller.rb

@@ -15,7 +15,6 @@ def handle_register
             session[:user] = @user
             redirect_to root_path
         else
-            puts @user.errors.full_messages.join(', ')
             render :register_form, status: :unprocessable_entity
         end
     end

test/controllers/session_controller_test.rb

@@ -1,7 +1,5 @@
-require "test_helper"
+require 'test_helper'
 
 class SessionControllerTest < ActionDispatch::IntegrationTest
-  # test "the truth" do
-  #   assert true
-  # end
+
 end

test/controllers/user_controller_test.rb

@@ -1,7 +1,23 @@
-require "test_helper"
+require 'test_helper'
 
 class UserControllerTest < ActionDispatch::IntegrationTest
-  # test "the truth" do
-  #   assert true
-  # end
-end
+  test "should get register_form" do
+    get register_path
+    assert_response :success
+    assert assigns(:user).is_a?(User)
+  end
+
+  test "should handle_register with valid parameters" do
+    post register_path, params: { user: { username: "testuser", password: "password", password_confirmation: "password" } }
+    assert_redirected_to root_path
+    assert User.exists?(username: "testuser")
+    assert_equal session[:user]['id'], User.find_by(username: "testuser").id
+  end
+
+  test "should handle_register with invalid parameters" do
+    post register_path, params: { user: { username: "testuser", password: "password", password_confirmation: "wrongpassword" } }
+    assert_template :register_form
+    assert_response :unprocessable_entity
+    assert assigns(:user).errors.full_messages.include?("Password confirmation doesn't match Password")
+  end
+end

test/fixtures/users.yml

@@ -1 +1,8 @@
 # Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+one:
+  username: "testuser_yml"
+  password_digest: <%= BCrypt::Password.create("password") %>
+
+two:
+  username: "anotheruser_yml"
+  password_digest: <%= BCrypt::Password.create("anotherpassword") %>