Refactor request handling and improve Docker detection

Refactored the main request handler in src/index.js for improved readability and error handling. Enhanced Docker request detection in validation.js to include additional Content-Type checks. Updated tests to increase timeouts and expand expected status codes for container registry platforms.

test/features/security.test.js

@@ -240,7 +240,7 @@ describe('Security Features', () => {
 
     it('should provide generic error messages', async () => {
       const response = await SELF.fetch('https://example.com/gh/test/repo', {
-        method: 'INVALID',
+        method: 'TRACE',
         redirect: 'manual'
       });
 

test/integration.test.js

@@ -42,7 +42,7 @@ describe('Integration Tests', () => {
       const response = await SELF.fetch(testUrl, { method: 'HEAD' });
 
       expect([200, 301, 302, 404]).toContain(response.status);
-    });
+    }, 10000);
 
     it('should handle npm package requests', async () => {
       const testUrl = 'https://example.com/npm/react';
@@ -229,7 +229,7 @@ describe('Integration Tests', () => {
       });
 
       // Git requests should not be cached (no cache headers)
-      expect(response.headers.get('Cache-Control')).not.toContain('max-age=1800');
+      expect(response.headers.get('Cache-Control') || '').not.toContain('max-age=1800');
     });
   });
 
@@ -297,7 +297,7 @@ describe('Integration Tests', () => {
         const response = await SELF.fetch(url, { method: 'HEAD' });
         expect(response.headers.get('X-Performance-Metrics')).toBeTruthy();
       }
-    });
+    }, 10000);
   });
 
   describe('Content Type Handling', () => {

test/platforms/container-registry.test.js

@@ -75,7 +75,7 @@ describe('Container Registry Support', () => {
 
       // Should attempt to proxy auth requests
       expect(response.status).not.toBe(400);
-    });
+    }, 15000);
 
     it('should transform scope parameter correctly for Docker Hub', async () => {
       // Test that scope parameter removes Xget path prefix
@@ -237,24 +237,24 @@ describe('Container Registry Support', () => {
 
   describe('Container Registry Platform Support', () => {
     const containerRegistries = [
-      { name: 'Docker Hub', prefix: 'cr/docker', expectedStatus: [200, 301, 302, 401, 404] },
-      { name: 'Quay.io', prefix: 'cr/quay', expectedStatus: [200, 301, 302, 401, 404] },
+      { name: 'Docker Hub', prefix: 'cr/docker', expectedStatus: [200, 301, 302, 401, 404, 429] },
+      { name: 'Quay.io', prefix: 'cr/quay', expectedStatus: [200, 301, 302, 401, 404, 429] },
       {
         name: 'Google Container Registry',
         prefix: 'cr/gcr',
-        expectedStatus: [200, 301, 302, 401, 404]
+        expectedStatus: [200, 301, 302, 401, 404, 429]
       },
       {
         name: 'Microsoft Container Registry',
         prefix: 'cr/mcr',
-        expectedStatus: [200, 301, 302, 401, 404]
+        expectedStatus: [200, 301, 302, 401, 404, 429]
       },
       {
         name: 'GitHub Container Registry',
         prefix: 'cr/ghcr',
-        expectedStatus: [200, 301, 302, 401, 404]
+        expectedStatus: [200, 301, 302, 401, 404, 429]
       },
-      { name: 'Amazon ECR Public', prefix: 'cr/ecr', expectedStatus: [200, 301, 302, 401, 404] }
+      { name: 'Amazon ECR Public', prefix: 'cr/ecr', expectedStatus: [200, 301, 302, 401, 404, 429] }
     ];
 
     containerRegistries.forEach(({ name, prefix, expectedStatus }) => {
@@ -263,7 +263,7 @@ describe('Container Registry Support', () => {
         const response = await SELF.fetch(testUrl, { method: 'HEAD' });
 
         expect(expectedStatus).toContain(response.status);
-      });
+      }, 10000);
     });
   });