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tests/Shared/RequestContextTest.php

@@ -0,0 +1,55 @@
+<?php
+declare(strict_types=1);
+
+namespace Tests\Shared;
+
+use App\Shared\Http\RequestContext;
+use PHPUnit\Framework\TestCase;
+
+#[\PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations]
+final class RequestContextTest extends TestCase
+{
+    public function testIsHttpsReturnsTrueWhenNativeHttpsFlagIsEnabled(): void
+    {
+        self::assertTrue(RequestContext::isHttps([
+            'HTTPS' => 'on',
+        ]));
+    }
+
+    public function testIsHttpsReturnsTrueWhenTrustedProxyForwardsHttps(): void
+    {
+        self::assertTrue(RequestContext::isHttps([
+            'REMOTE_ADDR' => '127.0.0.1',
+            'HTTP_X_FORWARDED_PROTO' => 'https, http',
+        ], ['127.0.0.1']));
+    }
+
+    public function testIsHttpsIgnoresForwardedProtoWhenProxyIsNotTrusted(): void
+    {
+        self::assertFalse(RequestContext::isHttps([
+            'REMOTE_ADDR' => '10.0.0.5',
+            'HTTP_X_FORWARDED_PROTO' => 'https',
+        ], ['127.0.0.1']));
+    }
+
+    public function testTrustedProxiesFromEnvironmentTrimsValues(): void
+    {
+        self::assertSame(['127.0.0.1', '::1'], RequestContext::trustedProxiesFromEnvironment([
+            'TRUSTED_PROXIES' => ' 127.0.0.1 , ::1 ',
+        ]));
+    }
+
+    public function testTrustedProxiesFromEnvironmentFallsBackToProcessEnvWhenDotenvValueIsBlank(): void
+    {
+        putenv('TRUSTED_PROXIES=*');
+
+        try {
+            self::assertSame(['*'], RequestContext::trustedProxiesFromEnvironment([
+                'TRUSTED_PROXIES' => '',
+            ]));
+        } finally {
+            putenv('TRUSTED_PROXIES');
+        }
+    }
+}
+