fix

composer.json

@@ -16,6 +16,17 @@
     }
   ],
   "require": {
-    "php": ">=5.3"
+    "php": ">=7.0.0",
+    "topthink/framework": "5.1.*"
+  },
+  "autoload": {
+    "psr-4": {
+      "tests\\": "tests",
+      "think\\": "thinkphp/library/think",
+      "traits\\": "thinkphp/library/traits"
+    }
+  },
+  "require-dev": {
+    "phpunit/phpunit": "8"
   }
 }

src/TestCase.php

@@ -10,21 +10,21 @@
 // +----------------------------------------------------------------------
 namespace tests;
 
-//use think\App;
+use think\App;
 
 
-abstract class TestCase
+abstract class TestCase extends \PHPUnit\Framework\TestCase
 {
     protected $baseUrl = '';
-    //  use ApplicationTrait, AssertionsTrait, CrawlerTrait;
+    use ApplicationTrait, AssertionsTrait, CrawlerTrait;
 
-//    public function __construct(string $name = null, array $data = [], string $dataName = '')
-//    {
-//        // 引入需要的环境
-//        require_once __DIR__ . '/../thinkphp/base.php';
-//        // 初始化 App 对象，并将 APP_PATH 指向项目的 application 目录
-//        App::getInstance()->path(__DIR__ . '/../application/')->initialize();
-//
-//        parent::__construct($name, $data, $dataName);
-//    }
+    public function __construct(string $name = null, array $data = [], string $dataName = '')
+    {
+        // 引入需要的环境
+        require_once __DIR__ . '/../thinkphp/base.php';
+        // 初始化 App 对象，并将 APP_PATH 指向项目的 application 目录
+        App::getInstance()->path(__DIR__ . '/../application/')->initialize();
+
+        parent::__construct($name, $data, $dataName);
+    }
 }