Upgrade serverless

Author: nfour

package.json

@@ -28,7 +28,7 @@
     "@types/node": "^8.0.7",
     "@types/uuid": "^3.0.0",
     "jest": "^20.0.4",
-    "serverless": "1.11",
+    "serverless": "^1.16.1",
     "ts-jest": "^20.0.6",
     "ts-node": "^3.1.0",
     "tslint": "^5.4.3",

test/openapi-generate.test.ts

@@ -15,13 +15,16 @@ describe('OpenAPI Documentation Generator', () => {
   it('Generates OpenAPI document', async () => {
     const serverlessConfig = await fs.readFile('test/fixtures/serverless.yml');
     const sls: ServerlessInterface = new Serverless();
+
     sls.config.update({
       servicePath: path.join(process.cwd(), 'test/fixtures'),
     });
+
     const config = await sls.yamlParser.parse(path.join(process.cwd(), 'test/fixtures/serverless.yml'));
     sls.pluginManager.cliOptions = { stage: 'dev' };
+
     await sls.service.load(config);
-    sls.variables.populateService({});
+    await sls.variables.populateService();
 
     if ('documentation' in sls.service.custom) {
       const docGen = new DocumentGenerator(sls.service.custom.documentation);