初始化一个composer项目，composer.json配置文件如下

{"name": "zingfront/questions-php","type": "project","require": {"php": "^7.4"},"require-dev": {"phpunit/phpunit": "^9.5.10"},"autoload": {"psr-4": {"": "src/"}},"autoload-dev": {"psr-4": {"Tests\\": "tests/"}},"config": {"preferred-install": "dist","sort-packages": true,"allow-plugins": {"easywechat-composer/easywechat-composer": false,"php-http/discovery": true}},"minimum-stability": "dev","prefer-stable": true,"repositories": {"packagist": {"type": "composer","url": "https://mirrors.aliyun.com/composer/"}}}

配置phpstorm的解释器

 

composer 安装 phpunit 

composer require --dev phpunit/phpunit:^9.5.10

 追加tests的代码目录到命名空间

 执行composer dump-autoload 重新生成autoload配置文件

配置测试框架路径

 编写测试用例

 测试代码覆盖率检查（这个必须安装xdebug）否则会报找不到No code coverage driver available

覆盖检测结果