Add a test for http2

packages/opencensus-instrumentation-http2/test/test-http2.ts

@@ -27,6 +27,7 @@ import * as semver from 'semver';
 
 import { plugin } from '../src/';
 import { Http2Plugin } from '../src/';
+import { URL } from 'url';
 
 const VERSION = process.versions.node;
 
@@ -101,9 +102,11 @@ describe('Http2Plugin', () => {
 
   let server: http2.Http2Server;
   let client: http2.ClientHttp2Session;
+  let client2: http2.ClientHttp2Session;
   const serverPort = 8080;
   const host = `localhost:${serverPort}`;
   const authority = `http://${host}`;
+  const authorityUrlObject = new URL('/', `http://${host}/`);
 
   const log = logger.logger();
   const tracer = new CoreTracer();
@@ -131,6 +134,7 @@ describe('Http2Plugin', () => {
     server.listen(serverPort);
 
     client = http2.connect(authority);
+    client2 = http2.connect(authorityUrlObject);
   });
 
   beforeEach(() => {
@@ -140,6 +144,7 @@ describe('Http2Plugin', () => {
   after(() => {
     server.close();
     client.destroy();
+    client2.destroy();
   });
 
   /** Should intercept outgoing requests */
@@ -167,6 +172,24 @@ describe('Http2Plugin', () => {
       });
     });
 
+    it('should succeed when the client is connected using the url.URL object (#640)', async () => {
+      const statusCode = 200;
+      const testPath = `/${statusCode}`;
+      const requestOptions = {
+        ':method': 'GET',
+        ':path': testPath,
+      };
+
+      assert.strictEqual(spanVerifier.endedSpans.length, 0);
+
+      await http2Request.get(client2, requestOptions).then(result => {
+        assert.strictEqual(result, statusCode.toString());
+        assert.strictEqual(spanVerifier.endedSpans.length, 2);
+        const span = spanVerifier.endedSpans[1];
+        assertSpanAttributes(span, statusCode, 'GET', host, testPath);
+      });
+    });
+
     const httpErrorCodes = [400, 401, 403, 404, 429, 501, 503, 504, 500];
 
     httpErrorCodes.map(errorCode => {