fixing openapi e2e tests

gatewayservice/gateway-service.js

@@ -46,15 +46,21 @@ app.post('/adduser', async (req, res) => {
 });
 
 // Read the OpenAPI YAML file synchronously
-const file = fs.readFileSync('./openapi.yaml', 'utf8');
+openapiPath='./openapi.yaml'
+if (fs.existsSync(openapiPath)) {
+  const file = fs.readFileSync(openapiPath, 'utf8');
 
-// Parse the YAML content into a JavaScript object representing the Swagger document
-const swaggerDocument = YAML.parse(file);
+  // Parse the YAML content into a JavaScript object representing the Swagger document
+  const swaggerDocument = YAML.parse(file);
+
+  // Serve the Swagger UI documentation at the '/api-doc' endpoint
+  // This middleware serves the Swagger UI files and sets up the Swagger UI page
+  // It takes the parsed Swagger document as input
+  app.use('/api-doc', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
+} else {
+  console.log("Not configuring OpenAPI. Configuration file not present.")
+}
 
-// Serve the Swagger UI documentation at the '/api-doc' endpoint
-// This middleware serves the Swagger UI files and sets up the Swagger UI page
-// It takes the parsed Swagger document as input
-app.use('/api-doc', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
 
 // Start the gateway service
 const server = app.listen(port, () => {