+ Tests\Feature\App\HelperTest for App\Helper

* move variable `$statusCodeAndErrorInfos` out of method `abortAPI()` as public const `ERROR_STATUS_CODE_INFO` @ `App\Helper`
* replace `Collection->toArray()` with faster `->all()` @ `App\Http\PostsQuery\CursorCodec->decodeCursor()`
@ be

be/app/Helper.php

@@ -54,35 +54,35 @@ public static function abortAPIIfNot(int $errorCode, bool $condition): void
         }
     }
 
+    public const array ERROR_STATUS_CODE_INFO = [
+        // httpStatusCode => [ errorCode => errorInfo ]
+        400 => [
+            // 40000 => App\Exceptions\Handler::convertValidationExceptionToResponse()
+            40001 => '帖子查询类型必须为索引或搜索查询',
+            40002 => '搜索查询必须指定查询贴吧',
+            40003 => '部分查询参数与查询帖子类型要求不匹配',
+            40004 => '排序方式与查询帖子类型要求不匹配',
+            40005 => '提供了多个唯一查询参数',
+        ],
+        401 => [
+            40101 => 'Google reCAPTCHA 验证未通过 请刷新页面/更换设备/网络环境后重试',
+        ],
+        404 => [
+            40401 => '帖子查询结果为空',
+            40402 => '用户查询结果为空',
+            40403 => '吧帖量统计查询结果为空',
+            40406 => '指定查询的贴吧不存在',
+        ],
+        500 => [
+            50001 => '数据库中存在多个贴吧表存储了该 ID 的帖子',
+        ],
+    ];
+
     public static function abortAPI(int $errorCode): never
     {
-        $statusCodeAndErrorInfos = [
-            // httpStatusCode => [ errorCode => errorInfo ]
-            400 => [
-                // 40000 => App\Exceptions\Handler::convertValidationExceptionToResponse()
-                40001 => '帖子查询类型必须为索引或搜索查询',
-                40002 => '搜索查询必须指定查询贴吧',
-                40003 => '部分查询参数与查询帖子类型要求不匹配',
-                40004 => '排序方式与查询帖子类型要求不匹配',
-                40005 => '提供了多个唯一查询参数',
-            ],
-            401 => [
-                40101 => 'Google reCAPTCHA 验证未通过 请刷新页面/更换设备/网络环境后重试',
-            ],
-            404 => [
-                40401 => '帖子查询结果为空',
-                40402 => '用户查询结果为空',
-                40403 => '吧帖量统计查询结果为空',
-                40406 => '指定查询的贴吧不存在',
-            ],
-            500 => [
-                50001 => '数据库中存在多个贴吧表存储了该 ID 的帖子',
-            ],
-        ];
-
         $statusCode = 0;
         $errorInfo = null;
-        foreach ($statusCodeAndErrorInfos as $infoStatusCode => $infoErrorInfo) {
+        foreach (self::ERROR_STATUS_CODE_INFO as $infoStatusCode => $infoErrorInfo) {
             if (\array_key_exists($errorCode, $infoErrorInfo)) {
                 $statusCode = $infoStatusCode;
                 $errorInfo = $infoErrorInfo[$errorCode];

be/app/Http/PostsQuery/CursorCodec.php

@@ -104,6 +104,6 @@ public function decodeCursor(string $encodedCursors, string $orderByField): Coll
             // filter out cursors with all fields value being null, their encoded cursor is ',,'
             ->reject(static fn(Collection $cursors) =>
             $cursors->every(static fn(int|string|null $cursor) => $cursor === null))
-            ->map(static fn(Collection $cursors) => new Cursor($cursors->toArray()));
+            ->map(static fn(Collection $cursors) => new Cursor($cursors->all()));
     }
 }

be/tests/Feature/App/HelperTest.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace Tests\Feature\App;
+
+use App\Helper;
+use Illuminate\Http\Exceptions\HttpResponseException;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Symfony\Component\String\UnicodeString;
+use Tests\TestCase;
+
+#[CoversClass(Helper::class)]
+class HelperTest extends TestCase
+{
+    public static function assertAbort(int $statusCode, int $errorCode, string $errorInfo, callable $callback): void
+    {
+        try {
+            $callback();
+        } catch (HttpResponseException $e) {
+            $response = $e->getResponse();
+            self::assertEquals($statusCode, $response->getStatusCode());
+            $responseContent = \Safe\json_decode($response->getContent());
+            self::assertEquals($errorCode, $responseContent->errorCode);
+            self::assertEquals($errorInfo, $responseContent->errorInfo);
+        }
+    }
+
+    #[DataProvider('provideAbortAPI')]
+    public function testAbortAPI(int $statusCode, int $errorCode, string $errorInfo): void
+    {
+        self::assertAbort($statusCode, $errorCode, $errorInfo, static fn() => Helper::abortAPI($errorCode));
+    }
+
+    #[DataProvider('provideAbortAPI')]
+    public function testAbortAPIIf(int $statusCode, int $errorCode, string $errorInfo): void
+    {
+        self::assertAbort($statusCode, $errorCode, $errorInfo, static fn() => Helper::abortAPIIf($errorCode, true));
+    }
+
+    #[DataProvider('provideAbortAPI')]
+    public function testAbortAPIIfNot(int $statusCode, int $errorCode, string $errorInfo): void
+    {
+        self::assertAbort($statusCode, $errorCode, $errorInfo, static fn() => Helper::abortAPIIfNot($errorCode, false));
+    }
+
+    public static function provideAbortAPI(): array
+    {
+        return collect(Helper::ERROR_STATUS_CODE_INFO)
+            ->flatMap(static fn(array $codeWithInfo, int $statusCode) => array_map(
+                static fn(int $errorCode, string $errorInfo) => [$statusCode, $errorCode, $errorInfo],
+                array_keys($codeWithInfo),
+                $codeWithInfo,
+            ))
+            ->all();
+    }
+
+    #[DataProvider('provideAbortAPIWithNonExistsCode')]
+    public function testAbortAPIWithNonExistsCode(int $errorCode): void
+    {
+        $this->expectExceptionObject(new \InvalidArgumentException('Given error code doesn\'t existed'));
+        Helper::abortAPI($errorCode);
+    }
+
+    public static function provideAbortAPIWithNonExistsCode(): array
+    {
+        return [[collect(Helper::ERROR_STATUS_CODE_INFO)->max(static fn(array $i) => max(array_keys($i))) + 1]];
+    }
+
+    #[DataProvider('provideXmlResponse')]
+    public function testXmlResponse(string|\Stringable $xml): void
+    {
+        $response = Helper::xmlResponse($xml);
+        self::assertEquals('<?xml version="1.0" encoding="UTF-8"?>' . "\n$xml", $response->getContent());
+        self::assertEquals('text/xml', $response->headers->get('Content-Type'));
+    }
+
+    public static function provideXmlResponse(): array
+    {
+        return [['<test />'], [new UnicodeString('<test />')]];
+    }
+}

be/tests/TestCase.php

@@ -2,7 +2,5 @@
 
 namespace Tests;
 
-use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
-
 // @phpcs:ignore PSR2.Classes.ClassDeclaration.OpenBraceNewLine -- https://github.com/PHPCSStandards/PHP_CodeSniffer/issues/566
-abstract class TestCase extends BaseTestCase {}
+abstract class TestCase extends \Illuminate\Foundation\Testing\TestCase {}