test(ls): add test for ref validation of valid async spec

packages/apidom-ls/test/fixtures/deref/valid-async.yaml

@@ -0,0 +1,33 @@
+asyncapi: '2.6.0'
+info: 
+  version: '1.0.0'
+  title: 'streetlights'
+channels:
+  test:
+    publish:
+      operationId: receiveLightMeasurement
+      message:
+        $ref: '#/components/messages/lightMeasured'
+components:
+  messages:
+    lightMeasured:
+      name: lightMeasured
+      title: Light measured
+      summary: Inform about environmental lighting conditions of a particular streetlight.
+      contentType: application/json
+      payload:
+        $ref: "#/components/schemas/lightMeasuredPayload"
+  schemas:
+    lightMeasuredPayload:
+      type: object
+      properties:
+        lumens:
+          type: integer
+          minimum: 0
+          description: Light intensity measured in lumens.
+        sentAt:
+          $ref: "#/components/schemas/sentAt"
+    sentAt:
+      type: string
+      format: date-time
+      description: Date and time when the message was sent.

packages/apidom-ls/test/validate-references.ts

@@ -19,6 +19,9 @@ const spec = fs.readFileSync(path.join(__dirname, 'fixtures', 'deref', 'invalid.
 const specValid = fs
   .readFileSync(path.join(__dirname, 'fixtures', 'deref', 'valid-same-ref.json'))
   .toString();
+const specValidAsync = fs
+  .readFileSync(path.join(__dirname, 'fixtures', 'deref', 'valid-async.yaml'))
+  .toString();
 
 describe('reference validation', function () {
   const lsContext: LanguageServiceContext = {
@@ -30,7 +33,7 @@ describe('reference validation', function () {
 
   const languageService: LanguageService = getLanguageService(lsContext);
 
-  context('given doc with invalid references', function () {
+  context('given doc with references', function () {
     const httpPort = 8123;
     let httpServer: ServerTerminable;
 
@@ -355,5 +358,36 @@ describe('reference validation', function () {
         }) as Diagnostic[],
       );
     });
+    specify('should validate valid async spec with apidom-reference', async function () {
+      this.timeout(10000);
+      const validationContext: ValidationContext = {
+        comments: DiagnosticSeverity.Error,
+        maxNumberOfProblems: 100,
+        relatedInformation: false,
+        referenceValidationMode: ReferenceValidationMode.APIDOM_INDIRECT_EXTERNAL,
+      };
+
+      const doc: TextDocument = TextDocument.create(
+        'foo://bar/specValidAsync.json',
+        'json',
+        0,
+        specValidAsync,
+      );
+
+      const valRes = await languageService.doValidation(doc, validationContext);
+      const exp: Diagnostic[] = [];
+      assert.deepEqual(
+        valRes.map((value) => {
+          // eslint-disable-next-line no-param-reassign
+          value.code = 'test';
+          return value;
+        }),
+        exp.map((value) => {
+          // eslint-disable-next-line no-param-reassign
+          value.code = 'test';
+          return value;
+        }) as Diagnostic[],
+      );
+    });
   });
 });