[perf] Implement tests

tests/src/tests/index.js

@@ -6,6 +6,7 @@ import messaging from './messaging/index';
 import storage from './storage/index';
 import auth from './auth/index';
 import config from './config/index';
+import performance from './perf/index';
 
 const testSuiteInstances = [
   database,
@@ -15,6 +16,7 @@ const testSuiteInstances = [
   crash,
   storage,
   config,
+  performance,
 ];
 
 /*

tests/src/tests/perf/index.js

@@ -0,0 +1,10 @@
+import firebase from '../../firebase';
+import TestSuite from '../../../lib/TestSuite';
+
+import performanceTests from './performanceTests';
+
+const suite = new TestSuite('Performance Monitoring', 'firebase.perf()', firebase);
+
+suite.addTests(performanceTests);
+
+export default suite;

tests/src/tests/perf/performanceTests.js

@@ -0,0 +1,25 @@
+function messagingTests({ fdescribe, it, firebase }) {
+  fdescribe('Performance Monitoring', () => {
+    it('it should return a new Task instance', () => {
+      const trace = firebase.native.perf().newTrace('foo');
+
+      trace.should.be.an.Object();
+      trace.should.have.a.property('start').which.is.a.Function();
+      trace.should.have.a.property('incrementCounter').which.is.a.Function();
+      trace.should.have.a.property('stop').which.is.a.Function();
+
+      return Promise.resolve();
+    });
+
+    it('it should start an instance, increment and stop', () => {
+      const trace = firebase.native.perf().newTrace('bar');
+      trace.start();
+      trace.incrementCounter('foobar');
+      trace.stop();
+
+      return Promise.resolve();
+    });
+  });
+}
+
+export default messagingTests;