add readonly required test using allOf

test/read.only.spec.ts

@@ -10,7 +10,7 @@ describe(packageJson.name, () => {
   before(async () => {
     // Set up the express app
     const apiSpec = path.join('test', 'resources', 'read.only.yaml');
-    app = await createApp({ apiSpec, validateResponses: true }, 3005, app =>
+    app = await createApp({ apiSpec, validateResponses: true }, 3005, (app) =>
       app
         .post(`${app.basePath}/products`, (req, res) => res.json(req.body))
         .get(`${app.basePath}/products`, (req, res) =>
@@ -42,11 +42,19 @@ describe(packageJson.name, () => {
           const body = req.body;
           body.id = 'test';
           body.created_at = new Date().toISOString();
-          body.reviews = body.reviews.map(r => ({
+          body.reviews = body.reviews.map((r) => ({
             id: 99,
             rating: r.rating ?? 2,
           }));
           res.json(body);
+        })
+        .post(`${app.basePath}/readonly_required_allof`, (req, res) => {
+          const json = {
+            name: 'My Name',
+            ...(req.query.include_id ? { id: 'test_id' } : {}),
+          };
+          console.log(json);
+          res.json(json);
         }),
     );
   });
@@ -66,7 +74,7 @@ describe(packageJson.name, () => {
         created_at: new Date().toISOString(),
       })
       .expect(400)
-      .then(r => {
+      .then((r) => {
         const body = r.body;
         // id is a readonly property and should not be allowed in the request
         expect(body.message).to.contain('id');
@@ -76,10 +84,8 @@ describe(packageJson.name, () => {
     request(app)
       .get(`${app.basePath}/products`)
       .expect(200)
-      .then(r => {
-        expect(r.body)
-          .to.be.an('array')
-          .with.length(1);
+      .then((r) => {
+        expect(r.body).to.be.an('array').with.length(1);
       }));
 
   it('should not allow read only inlined properties in requests', async () =>
@@ -93,7 +99,7 @@ describe(packageJson.name, () => {
         created_at: new Date().toUTCString(),
       })
       .expect(400)
-      .then(r => {
+      .then((r) => {
         const body = r.body;
         // id is a readonly property and should not be allowed in the request
         expect(body.message).to.contain('id');
@@ -114,7 +120,7 @@ describe(packageJson.name, () => {
         },
       })
       .expect(400)
-      .then(r => {
+      .then((r) => {
         const body = r.body;
         // id is a readonly property and should not be allowed in the request
         expect(body.message).to.contain('id');
@@ -135,7 +141,7 @@ describe(packageJson.name, () => {
         ],
       })
       .expect(400)
-      .then(r => {
+      .then((r) => {
         const body = r.body;
         // id is a readonly property and should not be allowed in the request
         expect(body.message).to.contain('request.body.reviews[0].id');
@@ -152,10 +158,8 @@ describe(packageJson.name, () => {
         username: 'test',
       })
       .expect(200)
-      .then(r => {
-        expect(r.body)
-          .to.be.an('object')
-          .with.property('id');
+      .then((r) => {
+        expect(r.body).to.be.an('object').with.property('id');
         expect(r.body).to.have.property('username');
       }));
 
@@ -170,10 +174,8 @@ describe(packageJson.name, () => {
         username: 'test',
       })
       .expect(200)
-      .then(r => {
-        expect(r.body)
-          .to.be.an('object')
-          .with.property('id');
+      .then((r) => {
+        expect(r.body).to.be.an('object').with.property('id');
         expect(r.body).to.have.property('username');
       }));
 
@@ -188,10 +190,8 @@ describe(packageJson.name, () => {
         username: 'test',
       })
       .expect(200)
-      .then(r => {
-        expect(r.body)
-          .to.be.an('object')
-          .with.property('id');
+      .then((r) => {
+        expect(r.body).to.be.an('object').with.property('id');
         expect(r.body).to.have.property('username');
       }));
 
@@ -203,9 +203,28 @@ describe(packageJson.name, () => {
         username: 'test',
       })
       .expect(500)
-      .then(r => {
+      .then((r) => {
         expect(r.body.errors[0])
           .to.have.property('message')
           .equals("should have required property 'id'");
       }));
+
+  it('should require readonly required property in response', async () =>
+    request(app)
+      .post(`${app.basePath}/readonly_required_allof`)
+      .query({ include_id: true })
+      .send({ optional: 'test' })
+      .set('content-type', 'application/json')
+      .expect(200));
+
+  it('should return 500 if readonly required property is missing from response', async () =>
+    request(app)
+      .post(`${app.basePath}/readonly_required_allof`)
+      .query({ include_id: false })
+      .send({ optional: 'test' })
+      .set('content-type', 'application/json')
+      .expect(500)
+      .then((r) => {
+        expect(r.body.message).includes("should have required property 'id'");
+      }));
 });

test/resources/read.only.yaml

@@ -13,8 +13,8 @@ servers:
 paths:
   /user_inlined:
     post:
-      description: get user
-      operationId: getUser
+      description: get user inlined
+      operationId: getUserInlined
       parameters:
         - name: include_id
           in: query
@@ -145,6 +145,32 @@ paths:
             application/json:
               schema:
                 $ref: '#/components/schemas/ProductNested'
+
+  /readonly_required_allof:
+    post:
+      description: readonly required
+      parameters: 
+        - name: include_id
+          in: query
+          schema:
+            type: boolean
+          required: true
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                optional: 
+                  type: string
+      responses:
+        '200':
+          description: readonly required
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Item'
 
 components:
   schemas:
@@ -206,3 +232,22 @@ components:
           type: string
         name:
           type: string
+
+    Item:
+      allOf:
+        - $ref: '#/components/schemas/Id'
+        - $ref: '#/components/schemas/Name'
+    Id:
+      properties:
+        id:
+          type: string
+          readOnly: true
+      required:
+        - id
+
+    Name:
+      properties:
+        name:
+          type: string
+      required:
+        - name