1 files changed, 94 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_webconsole_telemetry_execute_js.js b/devtools/client/webconsole/test/browser/browser_webconsole_telemetry_execute_js.js
new file mode 100644
index 0000000000..34a5a62c5e
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_webconsole_telemetry_execute_js.js
@@ -0,0 +1,94 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Tests that the console record the execute_js telemetry event with expected data
+// when evaluating expressions.
+
+"use strict";
+
+const TEST_URI = `data:text/html,<!DOCTYPE html><meta charset=utf8>Test execute_js telemetry event`;
+const ALL_CHANNELS = Ci.nsITelemetry.DATASET_ALL_CHANNELS;
+
+add_task(async function () {
+  // Let's reset the counts.
+  Services.telemetry.clearEvents();
+
+  // Ensure no events have been logged
+  const snapshot = Services.telemetry.snapshotEvents(ALL_CHANNELS, true);
+  ok(!snapshot.parent, "No events have been logged for the main process");
+
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  info("Evaluate a single line");
+  await keyboardExecuteAndWaitForResultMessage(hud, `"single line"`, "");
+
+  info("Evaluate another single line");
+  await keyboardExecuteAndWaitForResultMessage(hud, `"single line 2"`, "");
+
+  info("Evaluate multiple lines");
+  await keyboardExecuteAndWaitForResultMessage(hud, `"n"\n.trim()`, "");
+
+  info("Switch to editor mode");
+  await toggleLayout(hud);
+
+  info("Evaluate a single line in editor mode");
+  await keyboardExecuteAndWaitForResultMessage(hud, `"single line 3"`, "");
+
+  info("Evaluate multiple lines in editor mode");
+  await keyboardExecuteAndWaitForResultMessage(
+    hud,
+    `"y"\n.trim()\n.trim()`,
+    ""
+  );
+
+  info("Evaluate multiple lines again in editor mode");
+  await keyboardExecuteAndWaitForResultMessage(hud, `"x"\n.trim()`, "");
+
+  checkEventTelemetry([
+    getTelemetryEventData({ lines: 1, input: "inline" }),
+    getTelemetryEventData({ lines: 1, input: "inline" }),
+    getTelemetryEventData({ lines: 2, input: "inline" }),
+    getTelemetryEventData({ lines: 1, input: "multiline" }),
+    getTelemetryEventData({ lines: 3, input: "multiline" }),
+    getTelemetryEventData({ lines: 2, input: "multiline" }),
+  ]);
+
+  info("Switch back to inline mode");
+  await toggleLayout(hud);
+});
+
+function checkEventTelemetry(expectedData) {
+  const snapshot = Services.telemetry.snapshotEvents(ALL_CHANNELS, true);
+  const events = snapshot.parent.filter(
+    event =>
+      event[1] === "devtools.main" &&
+      event[2] === "execute_js" &&
+      event[3] === "webconsole" &&
+      event[4] === null
+  );
+
+  for (const [i, expected] of expectedData.entries()) {
+    const [timestamp, category, method, object, value, extra] = events[i];
+
+    // ignore timestamp
+    Assert.greater(timestamp, 0, "timestamp is greater than 0");
+    is(category, expected.category, "'category' is correct");
+    is(method, expected.method, "'method' is correct");
+    is(object, expected.object, "'object' is correct");
+    is(value, expected.value, "'value' is correct");
+    is(parseInt(extra.lines, 10), expected.extra.lines, "'lines' is correct");
+    is(extra.input, expected.extra.input, "'input' is correct");
+  }
+}
+
+function getTelemetryEventData(extra) {
+  return {
+    timestamp: null,
+    category: "devtools.main",
+    method: "execute_js",
+    object: "webconsole",
+    value: null,
+    extra,
+  };
+}