1 files changed, 67 insertions, 0 deletions
diff --git a/comm/mail/base/test/browser/browser_interactionTelemetry.js b/comm/mail/base/test/browser/browser_interactionTelemetry.js
new file mode 100644
index 0000000000..a958a24bdf
--- /dev/null
+++ b/comm/mail/base/test/browser/browser_interactionTelemetry.js
@@ -0,0 +1,67 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const AREAS = ["keyboard", "calendar", "chat", "message_display", "toolbox"];
+
+// Checks that the correct number of clicks are registered against the correct
+// keys in the scalars.
+function assertInteractionScalars(expectedAreas) {
+  let processScalars =
+    Services.telemetry.getSnapshotForKeyedScalars("main", true)?.parent ?? {};
+
+  for (let source of AREAS) {
+    let scalars = processScalars?.[`tb.ui.interaction.${source}`] ?? {};
+
+    let expected = expectedAreas[source] ?? {};
+
+    let expectedKeys = new Set(
+      Object.keys(scalars).concat(Object.keys(expected))
+    );
+    for (let key of expectedKeys) {
+      Assert.equal(
+        scalars[key],
+        expected[key],
+        `Expected to see the correct value for ${key} in ${source}.`
+      );
+    }
+  }
+}
+
+add_task(async function () {
+  Services.telemetry.clearScalars();
+
+  EventUtils.synthesizeMouseAtCenter(
+    document.getElementById("calendarButton"),
+    {},
+    window
+  );
+
+  let calendarWindowPromise = BrowserTestUtils.promiseAlertDialog(
+    "cancel",
+    "chrome://calendar/content/calendar-creation.xhtml"
+  );
+  EventUtils.synthesizeMouseAtCenter(
+    document.querySelector("#newCalendarSidebarButton"),
+    {},
+    window
+  );
+  await calendarWindowPromise;
+
+  EventUtils.synthesizeMouseAtCenter(
+    document.querySelector("#tabmail-tabs tab:nth-child(2) .tab-close-button"),
+    {},
+    window
+  );
+
+  assertInteractionScalars({
+    calendar: {
+      newCalendarSidebarButton: 1,
+    },
+    toolbox: {
+      calendarButton: 1,
+      "tab-close-button": 1,
+    },
+  });
+});