1 files changed, 98 insertions, 0 deletions
diff --git a/browser/components/textrecognition/tests/browser/browser_textrecognition_no_result.js b/browser/components/textrecognition/tests/browser/browser_textrecognition_no_result.js
new file mode 100644
index 0000000000..ee0a45b8e9
--- /dev/null
+++ b/browser/components/textrecognition/tests/browser/browser_textrecognition_no_result.js
@@ -0,0 +1,98 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+add_task(async function () {
+  const url =
+    "http://mochi.test:8888/browser/toolkit/content/tests/browser/doggy.png";
+
+  await SpecialPowers.pushPrefEnv({
+    set: [["dom.text-recognition.enabled", true]],
+  });
+
+  clearTelemetry();
+
+  await BrowserTestUtils.withNewTab(url, async function (browser) {
+    setClipboardText("");
+    is(getTextFromClipboard(), "", "The copied text is empty.");
+
+    info("Right click image to show context menu.");
+    let popupShownPromise = BrowserTestUtils.waitForEvent(
+      document,
+      "popupshown"
+    );
+    await BrowserTestUtils.synthesizeMouseAtCenter(
+      "img",
+      { type: "contextmenu", button: 2 },
+      browser
+    );
+    await popupShownPromise;
+
+    info("Click context menu to copy the image text.");
+    document.getElementById("context-imagetext").doCommand();
+
+    info("Close the context menu.");
+    let contextMenu = document.getElementById("contentAreaContextMenu");
+    let popupHiddenPromise = BrowserTestUtils.waitForEvent(
+      contextMenu,
+      "popuphidden"
+    );
+    contextMenu.hidePopup();
+    await popupHiddenPromise;
+
+    info("Waiting for the dialog browser to be shown.");
+    const { contentDocument } = await BrowserTestUtils.waitForCondition(() =>
+      document.querySelector(".textRecognitionDialogFrame")
+    );
+
+    info("Waiting for no results message.");
+    const noResultsHeader = contentDocument.querySelector(
+      "#text-recognition-header-no-results"
+    );
+    await BrowserTestUtils.waitForCondition(() => {
+      return noResultsHeader.style.display !== "none";
+    });
+
+    {
+      info("Check the scalar telemetry.");
+      const scalars = await BrowserTestUtils.waitForCondition(() =>
+        getTelemetryScalars()
+      );
+      const contentContext = scalars["browser.ui.interaction.content_context"];
+      ok(contentContext, "Opening the context menu was recorded.");
+
+      is(contentContext["context-imagetext"], 1, "Telemetry has been recorded");
+    }
+
+    const text = contentDocument.querySelector(".textRecognitionText");
+    is(text.children.length, 0, "No results are listed.");
+
+    ok(
+      Services.telemetry
+        .getHistogramById("TEXT_RECOGNITION_API_PERFORMANCE")
+        .snapshot().sum > 0,
+      "Histogram timing was recorded even though there were no results."
+    );
+
+    is(
+      Services.telemetry
+        .getHistogramById("TEXT_RECOGNITION_INTERACTION_TIMING")
+        .snapshot().sum,
+      0,
+      "No interaction timing has been measured yet."
+    );
+
+    info("Close the dialog box.");
+    const close = contentDocument.querySelector("#text-recognition-close");
+    close.click();
+
+    info("Waiting for the dialog frame to close.");
+    await BrowserTestUtils.waitForCondition(
+      () => !document.querySelector(".textRecognitionDialogFrame")
+    );
+
+    is(getTextFromClipboard(), "", "The copied text is still empty.");
+  });
+
+  clearTelemetry();
+});