Bug 1856937 - write a test for 'powered by Fakespot' link Glean event r=perry.mcmanis

Differential Revision: https://phabricator.services.mozilla.com/D191802

Author: kpatenio

browser/components/shopping/tests/browser/browser_ui_telemetry.js

@@ -264,6 +264,30 @@ add_task(async function test_close_telemetry_recorded() {
   await SpecialPowers.popPrefEnv();
 });
 
+add_task(async function test_powered_by_fakespot_link() {
+  await Services.fog.testFlushAllChildren();
+  Services.fog.testResetFOG();
+
+  await BrowserTestUtils.withNewTab(
+    {
+      url: "about:shoppingsidebar",
+      gBrowser,
+    },
+    async browser => {
+      await clickPoweredByFakespotLink(browser, MOCK_ANALYZED_PRODUCT_RESPONSE);
+    }
+  );
+
+  await Services.fog.testFlushAllChildren();
+
+  let fakespotLinkEvents =
+    Glean.shopping.surfacePoweredByFakespotLinkClicked.testGetValue();
+  assertEventMatches(fakespotLinkEvents[0], {
+    category: "shopping",
+    name: "surface_powered_by_fakespot_link_clicked",
+  });
+});
+
 function clickReAnalyzeLink(browser, data) {
   return SpecialPowers.spawn(browser, [data], async mockData => {
     let shoppingContainer =
@@ -372,3 +396,22 @@ function clickCheckReviewQualityButton(browser, data) {
     button.click();
   });
 }
+
+function clickPoweredByFakespotLink(browser, data) {
+  return SpecialPowers.spawn(browser, [data], async mockData => {
+    let shoppingContainer =
+      content.document.querySelector("shopping-container").wrappedJSObject;
+    shoppingContainer.data = Cu.cloneInto(mockData, content);
+    await shoppingContainer.updateComplete;
+
+    let settingsEl = shoppingContainer.settingsEl;
+    await settingsEl.updateComplete;
+    let fakespotLink = settingsEl.fakespotLearnMoreLinkEl;
+
+    // Prevent link navigation for test.
+    fakespotLink.href = undefined;
+    await fakespotLink.updateComplete;
+
+    fakespotLink.click();
+  });
+}