说血泪，是因为项目关键时刻，花了很多时间解决！

解决过程不说了，看代码把，代码记录了战乱的始终。。。

完整的解决方案，已经记录了部分还处于草稿状态，等我赶赶项目先，过两天抽时间，到时整理一个笔记分享。

我就特么的想不明白，难道大家使用tp6都不用phpunit单元测试了？网络一点资料都没有，大神难道都是不写笔记的？。。。

<?php
declare (strict_types=1);

namespace tests;

require_once __DIR__ . '/../vendor/autoload.php';

use app\exusr\model\User;
use app\index\controller\DebugController;

final class DemoTest extends \PHPUnit\Framework\TestCase
{
    /**
     * 单元测试初始化
     */
    /*protected function setUp():void
    {
        // 执行HTTP应用并响应
        $http = (new \think\App())->http;

        //$_GET["s"] = isset($_GET["s"])?strtolower($_GET["s"]):'/';
        //$_SERVER["HTTP_ACCEPT"] = "application/json";
        $response = $http->run();

        $response->send();

        $http->end($response);
    }*/

    /**
     * 单元测试收尾执行
     */
    /*public function tearDown():void
    {
    }*/


    /**
     * @test
     */
    public function testDemo1(): void
    {
        //断言相等
        $this->assertEquals('value1', 'value1');

        //断言为真
        $this->assertTrue(true);

        //断言数组中存在索引
        $this->assertArrayHasKey('aa', ['aa' => 1, 'bb' => 2, 'dd' => 4]);
    }

    public function testDemo2(): void
    {
        //断言相等
        $this->assertEquals('value1', 'value2');

        //断言为真
        $this->assertTrue(false);

        //断言数组中存在索引
        $this->assertArrayHasKey('cc', ['aa' => 1, 'bb' => 2, 'dd' => 4]);
    }

    /**
     * @test
     */
    public function testControllerx(): void
    {
        $request = new \app\Request();
        $request->setMethod('POST');
        $request->setUrl('/index/debug/testing26');
        $request->withGet(['xid' => 99,]);
        $request->withPost(['aaa' => 111, 'bbb' => 222,]);
        $request->withHeader(['HTTP_ACCEPT' => 'application/json',]);

        $app = (new \think\App());
        $app->http->run($request);

        $debug = new DebugController($app);
        $data = $debug->testing(1, 2);

        //强制截断
        //$data = preg_replace('/<[^>]+>/', '', $data);
        if (strlen(strval($data)) > 500) {
            $data = substr($data, 0, 500);
        }
        $this->assertEquals(1111111111, $data);
    }

    /**
     * @test
     */
    public function testControllerxtwo(): void
    {
        $request = new \app\Request();
        $request->setMethod('POST');
        $request->setUrl('/index/debug/testing26');
        $request->withGet(['xid' => 99,]);
        $request->withPost(['aaa' => 111, 'bbb' => 222,]);
        $request->withHeader(['HTTP_ACCEPT' => 'application/json',]);

        $app = (new \think\App());
        $http = $app->http;


        $response = $http->run($request);
        $data = $response->getData();
        
        //$debug = new DebugController($app);
        //$data = $debug->testing(1, 2);

        //强制截断
        //$data = preg_replace('/<[^>]+>/', '', $data);
        if (strlen(strval($data)) > 500) {
            $data = substr($data, 0, 500);
        }
        $this->assertEquals(1111111111, $data);
    }
    
    
    /**
     * @test
     */
    public function testControllerxzero(): void
    {
        $request = new \app\Request();
        $request->setUrl('/index/debug/testing26');
        $request->withPost(['aaa' => 111, 'bbb' => 222,]);
        $request->withHeader(['HTTP_ACCEPT'=>'application/json']);
        $request->setMethod('POST');

        $app = (new \think\App());
        //$app->setAppPath('mobile');
        $http = $app->http;
        //$http->path('admin');
        $response = $http->run($request);


        $debug = new DebugController($app);
        $data = $debug->testing(1,2);

        //强制截断
        //$data = preg_replace('/<[^>]+>/', '', $data);
        if (strlen($data) > 500) {
            $data = substr($data, 0, 500);
        }
        //app\ExceptionHandle.php的render需要配置方便调试：
        //return \response($e->getTraceAsString());
        //return \response($e->getMessage());


        #$debug = new DebugController(new \think\App());
        $this->assertEquals(1111111111, $data);
    }

    /**
     * @test
     */
    public function testModelx(): void
    {
        //(new \think\App())->http->run();
        //((new \think\App())->http)->run();

        //断言相等
        $this->assertEquals('value14', User::find(1)->nickname);

    }
}

一行路由，曲线救国：

<?php
declare (strict_types=1);

#这里可以引入，也可由phpunit.xml初始化引入
require_once __DIR__ . '/../vendor/autoload.php';
//require_once __DIR__ . '/../vendor/topthink/framework/src/helper.php';

#需要这样子run一下，run完返回$response，测试模型必须执行这行玩意儿
((new \think\App())->http)->run();

/**
 * 构造一个请求应用
 * @param array $data 入参数组
 * @param string $method 请求方法
 * @return \think\App
 */
function visitor($controller, $action, $data, $uid = null, $method = 'POST')
{
    if (is_numeric($uid)) {
        $data['xid'] = $uid;//非生产环境可以强制注入登录的测试用户
    }

    $app = new \think\App();

    #$app->request->setMethod($method);
    //$app->request->setController('Xlogin');
    //$app->request->setUrl('/index/debug/testing26');
    //$app->request->setUrl('/index/oauth/login');
    //$app->request->setBaseUrl('/index/oauth/login');

    //$app->request->withGet(['xid' => 99,'xx' => 'get-xx','yy' => 'get-yy',]);
    //$app->request->withGet($data);
    //$app->request->withPost(['aaa' => 111, 'bbb' => 222,'xx' => 'post-xx','yy' => 'post-yy',]);
    #$app->request->withPost($data);

    $request = new \app\Request();
    $request->withPost($data);
    $request->withRoute($data);//tp6的bug啊，一行代码曲线救国

    $response = $app->http->run($request);
    //重置请求对象
    $app->request->setMethod($method);//非必须
    $app->request->setAction($action);
    //$app->request->withGet($data);
    //$app->request->withPost($data);
    //$response->send();
    $app->http->end($response);


    $test = new $controller($app);
    $result = $test->$action();
    $content = $result->getContent();

    //强制截断
    //$data = preg_replace('/<[^>]+>/', '', $data);
    /*if (strlen(strval($content)) > 800) {
        return substr($content, 0, 500);
    }*/

    //如果不是json怎么办？写个日志

    return json_decode($content);
}

function hiapp2($data = [], $uid = null, $method = 'POST')
{
    if (is_numeric($uid)) {
        $data['xid'] = $uid;//非生产环境可以强制注入登录的测试用户
    }


    $request = new \app\Request();
    $request->setMethod($method);
    $request->setController('Xlogin');
    $request->setAction('login');
    //$request->setUrl('/index/debug/testing26');
    $request->setUrl('/index/oauth/login');
    $request->setBaseUrl('/index/oauth/login');

    //$request->withGet(['xid' => 99,'xx' => 'get-xx','yy' => 'get-yy',]);
    $request->withGet($data);
    //$request->withPost(['aaa' => 111, 'bbb' => 222,'xx' => 'post-xx','yy' => 'post-yy',]);
    //$request->withInput(json_encode(['aaa' => 111, 'bbb' => 222,'yy' => 'ayy',]));

    $request->withHeader(['HTTP_ACCEPT' => 'application/json',]);
    //$request->withHeader(['Content-Type' => 'application/x-www-form-urlencoded',]);
    //$request->withHeader(['Content-Type' => 'application/form-data',]);

    $app = new \think\App();
    $response = $app->http->run($request);
    //$response->send();
    $app->http->end($response);

    return $app;
}