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Testing Rails UsersController CRUD Operations in brakeman

This test suite implements functional testing for the UsersController in a Rails application with XSS plugin integration. It validates core CRUD operations and routing functionality while ensuring proper response handling and database state management.

Test Coverage Overview

The test suite provides comprehensive coverage of the UsersController functionality, including all standard CRUD operations (Create, Read, Update, Delete). It validates user management operations through HTTP requests, response status verification, and database state changes.

Index action testing with user collection assignment
User creation with database count verification
Show, edit and update action validations
Proper redirect handling after operations
Destruction of user records with count verification

Implementation Analysis

The testing approach follows Rails controller testing conventions using ActionController::TestCase. Each test method focuses on a specific controller action, employing assertion methods to verify expected behaviors and outcomes.

The implementation utilizes fixtures for test data (:users) and employs Rails-specific testing patterns like assert_difference for database modifications and assert_redirected_to for navigation flow validation.

Technical Details

Testing Framework: Minitest with Rails integration
Controller Testing: ActionController::TestCase
Data Fixtures: User model fixtures
HTTP Methods: GET, POST, PUT, DELETE
Assertions: Response status, assignment, redirects, database counts

Best Practices Demonstrated

The test suite exemplifies Ruby on Rails testing best practices through clear test organization and comprehensive coverage. Each test focuses on a single responsibility with meaningful names and proper setup.

Isolated test cases for each controller action
Proper use of Rails testing helpers and assertions
Database state verification
Response status validation
Redirect path confirmation

presidentbeef/brakeman

test/apps/rails_with_xss_plugin/test/functional/users_controller_test.rb

            
require 'test_helper'

class UsersControllerTest < ActionController::TestCase
  test "should get index" do
    get :index
    assert_response :success
    assert_not_nil assigns(:users)
  end

  test "should get new" do
    get :new
    assert_response :success
  end

  test "should create user" do
    assert_difference('User.count') do
      post :create, :user => { }
    end

    assert_redirected_to user_path(assigns(:user))
  end

  test "should show user" do
    get :show, :id => users(:one).to_param
    assert_response :success
  end

  test "should get edit" do
    get :edit, :id => users(:one).to_param
    assert_response :success
  end

  test "should update user" do
    put :update, :id => users(:one).to_param, :user => { }
    assert_redirected_to user_path(assigns(:user))
  end

  test "should destroy user" do
    assert_difference('User.count', -1) do
      delete :destroy, :id => users(:one).to_param
    end

    assert_redirected_to users_path
  end
end