1 files changed, 173 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..ce22615630
--- /dev/null
+++ b/browser/components/translations/tests/browser/browser_translations_telemetry_translation_request.js
@@ -0,0 +1,173 @@
+/* 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,
+  });
+
+  const { button } = await assertTranslationsButton(
+    { button: true, circleArrows: false, locale: false, icon: true },
+    "The button is available."
+  );
+
+  await runInPage(async TranslationsTest => {
+    const { getH1 } = TranslationsTest.getSelectors();
+    await TranslationsTest.assertTranslationResult(
+      "The page's H1 is in Spanish.",
+      getH1,
+      "Don Quijote de La Mancha"
+    );
+  });
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    0
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 0,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(
+    "TranslationRequest",
+    Glean.translations.translationRequest,
+    {
+      expectedLength: 0,
+    }
+  );
+
+  await waitForTranslationsPopupEvent("popupshown", () => {
+    click(button, "Opening the popup");
+  });
+
+  await waitForTranslationsPopupEvent("popuphidden", () => {
+    click(
+      getByL10nId("translations-panel-translate-button"),
+      "Start translating by clicking the translate button."
+    );
+  });
+
+  await assertTranslationsButton(
+    { button: true, circleArrows: true, locale: false, icon: true },
+    "The icon presents the loading indicator."
+  );
+
+  await resolveDownloads(1);
+
+  const { locale } = await assertTranslationsButton(
+    { button: true, circleArrows: false, locale: true, icon: true },
+    "The icon presents the locale."
+  );
+
+  is(locale.innerText, "en", "The English language tag is shown.");
+
+  await runInPage(async TranslationsTest => {
+    const { getH1 } = TranslationsTest.getSelectors();
+    await TranslationsTest.assertTranslationResult(
+      "The pages H1 is translated.",
+      getH1,
+      "DON QUIJOTE DE LA MANCHA [es to en, html]"
+    );
+  });
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    1
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 1,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(
+    "TranslationRequest",
+    Glean.translations.translationRequest,
+    {
+      expectedLength: 1,
+      finalValuePredicates: [
+        value => value.extra.from_language === "es",
+        value => value.extra.to_language === "en",
+        value => value.extra.auto_translate === "false",
+      ],
+    }
+  );
+
+  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: SPANISH_PAGE_URL,
+    languagePairs: LANGUAGE_PAIRS,
+    prefs: [["browser.translations.alwaysTranslateLanguages", "es"]],
+  });
+
+  await assertTranslationsButton(
+    { button: true, circleArrows: true, locale: false, icon: true },
+    "The icon presents the loading indicator."
+  );
+
+  await resolveDownloads(1);
+
+  const { locale } = await assertTranslationsButton(
+    { button: true, circleArrows: false, locale: true, icon: true },
+    "The icon presents the locale."
+  );
+
+  is(locale.innerText, "en", "The English language tag is shown.");
+
+  await runInPage(async TranslationsTest => {
+    const { getH1 } = TranslationsTest.getSelectors();
+    await TranslationsTest.assertTranslationResult(
+      "The pages H1 is translated.",
+      getH1,
+      "DON QUIJOTE DE LA MANCHA [es to en, html]"
+    );
+  });
+
+  await TestTranslationsTelemetry.assertCounter(
+    "RequestCount",
+    Glean.translations.requestsCount,
+    1
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 0,
+      expectedDenominator: 1,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(
+    "TranslationRequest",
+    Glean.translations.translationRequest,
+    {
+      expectedLength: 1,
+      finalValuePredicates: [
+        value => value.extra.from_language === "es",
+        value => value.extra.to_language === "en",
+        value => value.extra.auto_translate === "true",
+      ],
+    }
+  );
+
+  await cleanup();
+});