add support test

Author: tylerturdenpants

lib/gather/gather-telemetry.test.js

@@ -14,6 +14,18 @@ function helper(possibleEmberObject) {
   }
 }
 
+function outer(possibleEmberObject) {
+  let obj = possibleEmberObject.default;
+  if (obj && obj.name) {
+    return obj.name === 'jQuery';
+  }
+  return false;
+}
+
+function inner(possibleEmberObject) {
+  return outer(possibleEmberObject);
+}
+
 describe('Provide a personalized `Gathering Function`', () => {
   let app;
   let localAppPath = './test/fixtures/classic-app';
@@ -37,7 +49,13 @@ describe('Provide a personalized `Gathering Function`', () => {
   test('can determine components with a robust function', async () => {
     await gatherTelemetry('http://localhost:4200', analyzeEmberObject);
     let telemetry = getTelemetry();
-    expect(Object.keys(telemetry).filter(Boolean).length).toEqual(29);
+    expect(Object.values(telemetry).filter(Boolean).length).toEqual(29);
+  });
+
+  test('can handle external functions', async () => {
+    await gatherTelemetry('http://localhost:4200', inner, outer);
+    let telemetry = getTelemetry();
+    expect(Object.values(telemetry).filter(Boolean).length).toEqual(1);
   });
 
   afterAll(async () => {