1 files changed, 170 insertions, 0 deletions
diff --git a/browser/components/translations/tests/browser/browser_translations_telemetry_translation_request.js b/browser/components/translations/tests/browser/browser_translations_telemetry_translation_request.js
new file mode 100644
index 0000000000..90bd81a8ed
--- /dev/null
+++ b/browser/components/translations/tests/browser/browser_translations_telemetry_translation_request.js
@@ -0,0 +1,170 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests the telemetry event for a manual translation request.
+ */
+add_task(async function test_translations_telemetry_manual_translation() {
+  const { cleanup, resolveDownloads, runInPage } = await loadTestPage({
+    page: SPANISH_PAGE_URL,
+    languagePairs: LANGUAGE_PAIRS,
+  });
+
+  await FullPageTranslationsTestUtils.assertTranslationsButton(
+    { button: true, circleArrows: false, locale: false, icon: true },
+    "The button is available."
+  );
+
+  await FullPageTranslationsTestUtils.assertPageIsUntranslated(runInPage);
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    0
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 0,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(
+    Glean.translations.translationRequest,
+    {
+      expectedEventCount: 0,
+    }
+  );
+
+  await FullPageTranslationsTestUtils.openTranslationsPanel({
+    onOpenPanel: FullPageTranslationsTestUtils.assertPanelViewDefault,
+  });
+
+  await FullPageTranslationsTestUtils.clickTranslateButton({
+    downloadHandler: resolveDownloads,
+  });
+
+  await FullPageTranslationsTestUtils.assertPageIsTranslated(
+    "es",
+    "en",
+    runInPage
+  );
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    1
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 1,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(Glean.translationsPanel.open, {
+    expectedEventCount: 1,
+    expectNewFlowId: true,
+    finalValuePredicates: [
+      value => value.extra.auto_show === "false",
+      value => value.extra.view_name === "defaultView",
+      value => value.extra.opened_from === "translationsButton",
+      value => value.extra.document_language === "es",
+    ],
+  });
+  await TestTranslationsTelemetry.assertEvent(
+    Glean.translationsPanel.translateButton,
+    {
+      expectedEventCount: 1,
+      expectNewFlowId: false,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(Glean.translationsPanel.close, {
+    expectedEventCount: 1,
+    expectNewFlowId: false,
+  });
+  await TestTranslationsTelemetry.assertEvent(
+    Glean.translations.translationRequest,
+    {
+      expectedEventCount: 1,
+      expectNewFlowId: false,
+      finalValuePredicates: [
+        value => value.extra.from_language === "es",
+        value => value.extra.to_language === "en",
+        value => value.extra.auto_translate === "false",
+        value => value.extra.document_language === "es",
+        value => value.extra.top_preferred_language === "en",
+      ],
+    }
+  );
+
+  await cleanup();
+});
+
+/**
+ * Tests the telemetry event for an automatic translation request.
+ */
+add_task(async function test_translations_telemetry_auto_translation() {
+  const { cleanup, resolveDownloads, runInPage } = await loadTestPage({
+    page: BLANK_PAGE,
+    languagePairs: LANGUAGE_PAIRS,
+    prefs: [["browser.translations.alwaysTranslateLanguages", "es"]],
+  });
+
+  await navigate("Navigate to a Spanish page", {
+    url: SPANISH_PAGE_URL,
+    downloadHandler: resolveDownloads,
+  });
+
+  await FullPageTranslationsTestUtils.assertPageIsTranslated(
+    "es",
+    "en",
+    runInPage
+  );
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    1
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 1,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(Glean.translationsPanel.open, {
+    expectedEventCount: 0,
+  });
+  await TestTranslationsTelemetry.assertEvent(
+    Glean.translationsPanel.translateButton,
+    {
+      expectedEventCount: 0,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(Glean.translationsPanel.close, {
+    expectedEventCount: 0,
+  });
+  await TestTranslationsTelemetry.assertEvent(
+    Glean.translations.translationRequest,
+    {
+      expectedEventCount: 1,
+      expectNewFlowId: true,
+      finalValuePredicates: [
+        value => value.extra.from_language === "es",
+        value => value.extra.to_language === "en",
+        value => value.extra.auto_translate === "true",
+        value => value.extra.document_language === "es",
+        value => value.extra.top_preferred_language === "en",
+      ],
+    }
+  );
+
+  await cleanup();
+});