1 files changed, 195 insertions, 0 deletions
diff --git a/browser/components/translations/tests/browser/browser_translations_telemetry_translation_failure.js b/browser/components/translations/tests/browser/browser_translations_telemetry_translation_failure.js
new file mode 100644
index 0000000000..1268e6452b
--- /dev/null
+++ b/browser/components/translations/tests/browser/browser_translations_telemetry_translation_failure.js
@@ -0,0 +1,195 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { PromiseTestUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/PromiseTestUtils.sys.mjs"
+);
+
+/**
+ * Tests the telemetry event for a manual translation request failure.
+ */
+add_task(
+  async function test_translations_telemetry_manual_translation_failure() {
+    PromiseTestUtils.expectUncaughtRejection(
+      /Intentionally rejecting downloads./
+    );
+
+    const { cleanup, rejectDownloads, 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 rejectDownloads(1);
+
+    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,
+      1
+    );
+    await TestTranslationsTelemetry.assertRate(
+      "ErrorRate",
+      Glean.translations.errorRate,
+      {
+        expectedNumerator: 1,
+        expectedDenominator: 1,
+      }
+    );
+    await TestTranslationsTelemetry.assertEvent(
+      "Error",
+      Glean.translations.error,
+      {
+        expectedLength: 1,
+        finalValuePredicates: [
+          value =>
+            value.extra.reason === "Error: Intentionally rejecting downloads.",
+        ],
+      }
+    );
+    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 failure.
+ */
+add_task(async function test_translations_telemetry_auto_translation_failure() {
+  PromiseTestUtils.expectUncaughtRejection(
+    /Intentionally rejecting downloads./
+  );
+
+  const { cleanup, rejectDownloads, 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 rejectDownloads(1);
+
+  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,
+    1
+  );
+  await TestTranslationsTelemetry.assertRate(
+    "ErrorRate",
+    Glean.translations.errorRate,
+    {
+      expectedNumerator: 1,
+      expectedDenominator: 1,
+    }
+  );
+  await TestTranslationsTelemetry.assertEvent(
+    "Error",
+    Glean.translations.error,
+    {
+      expectedLength: 1,
+      finalValuePredicates: [
+        value =>
+          value.extra.reason === "Error: Intentionally rejecting downloads.",
+      ],
+    }
+  );
+  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();
+});