feat: add first e2e test for REST => MCP origin tool call

apps/e2e/src/__snapshots__/e2e.test.ts.snap

@@ -36,6 +36,15 @@ et est aut quod aut provident voluptas autem voluptas",
 }
 `;
 
+exports[`Basic MCP origin tool call success > 5.0: POST @dev/test-basic-mcp/add 1`] = `
+[
+  {
+    "text": "42",
+    "type": "text",
+  },
+]
+`;
+
 exports[`Basic OpenAPI getPost success > 0.0: POST @dev/test-basic-openapi/getPost 1`] = `
 {
   "body": "quia et suscipit

apps/e2e/src/e2e.test.ts

@@ -32,6 +32,7 @@ for (const [i, fixtureSuite] of fixtureSuites.entries()) {
       } = fixture.response ?? {}
       const { snapshot = status >= 200 && status < 300 } =
         fixture.response ?? {}
+      const debugFixture = !!(fixture.debug ?? fixtureSuite.debug)
 
       let testFn = fixture.only ? test.only : test
       if (fixtureSuite.sequential) {
@@ -94,10 +95,12 @@ for (const [i, fixtureSuite] of fixtureSuites.entries()) {
             }
           }
 
-          // console.log(`${i}.${j}: ${method} ${fixture.path} => ${status}`, {
-          //   body,
-          //   headers: Object.fromEntries(res.headers.entries())
-          // })
+          if (debugFixture) {
+            console.log(`${i}.${j}: ${method} ${fixture.path} => ${status}`, {
+              body,
+              headers: Object.fromEntries(res.headers.entries())
+            })
+          }
         }
       )
     }

apps/e2e/src/fixtures.ts

@@ -7,6 +7,9 @@ export type E2ETestFixture = {
   /** @default false */
   only?: boolean
 
+  /** @default false */
+  debug?: boolean
+
   request?: {
     /** @default 'GET' */
     method?: 'GET' | 'POST' | 'PUT' | 'DELETE'
@@ -41,6 +44,9 @@ export type E2ETestFixtureSuite = {
 
   /** @default false */
   compareResponseBodies?: boolean
+
+  /** @default false */
+  debug?: boolean
 }
 
 export const fixtureSuites: E2ETestFixtureSuite[] = [
@@ -342,20 +348,26 @@ export const fixtureSuites: E2ETestFixtureSuite[] = [
         }
       }
     ]
+  },
+  {
+    title: 'Basic MCP origin tool call success',
+    compareResponseBodies: true,
+    only: true,
+    debug: true,
+    fixtures: [
+      {
+        path: '@dev/test-basic-mcp/add',
+        request: {
+          method: 'POST',
+          json: {
+            a: 22,
+            b: 20
+          }
+        },
+        response: {
+          body: [{ type: 'text', text: '42' }]
+        }
+      }
+    ]
   }
-  // {
-  //   title: 'Basic MCP origin tool call success',
-  //   compareResponseBodies: true,
-  //   fixtures: [
-  //     {
-  //       path: '@dev/test-basic-openapi@fc856666/get_post',
-  //       request: {
-  //         method: 'POST',
-  //         json: {
-  //           postId: 13
-  //         }
-  //       }
-  //     },
-  //   ]
-  // }
 ]

readme.md

@@ -31,6 +31,9 @@
 - add username / team name blacklist
   - admin, internal, mcp, sse, etc
 - API gateway
+  - `cfValidateJsonSchemaObject` relax object constraint for output validation
+    - tool call outputs might not be objects
+    - keep the object validation for tool input params
   - public MCP interface
   - MCP origin server support
   - add support for custom headers on responses