fix: #887 allow multiple params with wildcard (#898)

* Add multiple path parameters with wildcard tests

* Change regex to support multiple params when including file path params (#1)

* Change regex to support multiple params when including URI path param
* Update regex, remove unnecessary bracket

---------

Co-authored-by: Guillermo Recalde <guillerecalde@users.noreply.github.com>

src/framework/openapi.spec.loader.ts

@@ -106,7 +106,7 @@ export class OpenApiSpecLoader {
     // instead create our own syntax that is compatible with express' pathToRegex
     // /{path}* => /:path*)
     // /{path}(*) => /:path*)
-    const pass1 = part.replace(/\/{([^\*]+)}\({0,1}(\*)\){0,1}/g, '/:$1$2');
+    const pass1 = part.replace(/\/{([^}]+)}\({0,1}(\*)\){0,1}/g, '/:$1$2');
     // substitute params with express equivalent
     // /path/{id} => /path/:id
     return pass1.replace(/\{([^}]+)}/g, ':$1');

test/resources/wildcard.path.params.yaml

@@ -52,6 +52,42 @@ paths:
 
   /d3:
     get:
+      responses:
+        200:
+          description: dummy response
+          content: {}
+
+  /d4/{multi}/spaced/{path}(*):
+    get:
+      parameters:
+        - name: multi
+          in: path
+          required: true
+          schema:
+            type: string
+        - name: path
+          in: path
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: dummy response
+          content: {}
+
+  /d5/{multi}/{path}(*):
+    get:
+      parameters:
+        - name: multi
+          in: path
+          required: true
+          schema:
+            type: string
+        - name: path
+          in: path
+          required: true
+          schema:
+            type: string
       responses:
         200:
           description: dummy response

test/wildcard.path.params.spec.ts

@@ -34,6 +34,16 @@ describe('wildcard path params', () => {
             res.json({
               success: true,
             }),
+          )
+          .get(`${app.basePath}/d4/:multi/spaced/:path(*)`, (req, res) =>
+            res.json({
+              ...req.params,
+            }),
+          )
+          .get(`${app.basePath}/d5/:multi/:path(*)`, (req, res) =>
+            res.json({
+              ...req.params,
+            }),
           );
       },
     );
@@ -83,4 +93,22 @@ describe('wildcard path params', () => {
       .then((r) => {
         expect(r.body.success).to.be.true;
       }));
+
+  it('should return 200 when wildcard path includes all required params and multiple path params', async () =>
+    request(app)
+      .get(`${app.basePath}/d4/one/spaced/two/three/four`)
+      .expect(200)
+      .then((r) => {
+        expect(r.body.multi).to.equal('one');
+        expect(r.body.path).to.equal('two/three/four');
+      }));
+
+  it('should return 200 when wildcard path includes all required params and multiple path params', async () =>
+    request(app)
+      .get(`${app.basePath}/d5/one/two/three/four`)
+      .expect(200)
+      .then((r) => {
+        expect(r.body.multi).to.equal('one');
+        expect(r.body.path).to.equal('two/three/four');
+      }));
 });