1 files changed, 49 insertions, 0 deletions
diff --git a/toolkit/components/messaging-system/schemas/SpecialMessageActionSchemas/test/browser/browser_sma_open_firefox_view.js b/toolkit/components/messaging-system/schemas/SpecialMessageActionSchemas/test/browser/browser_sma_open_firefox_view.js
new file mode 100644
index 0000000000..110d864121
--- /dev/null
+++ b/toolkit/components/messaging-system/schemas/SpecialMessageActionSchemas/test/browser/browser_sma_open_firefox_view.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const { assertFirefoxViewTab, closeFirefoxViewTab } =
+  ChromeUtils.importESModule(
+    "resource://testing-common/FirefoxViewTestUtils.sys.mjs"
+  );
+
+add_setup(async () => {
+  await SpecialPowers.pushPrefEnv({
+    set: [["browser.tabs.firefox-view", true]],
+  });
+
+  CustomizableUI.addWidgetToArea(
+    "firefox-view-button",
+    CustomizableUI.AREA_TABSTRIP,
+    0
+  );
+
+  registerCleanupFunction(async () => {
+    // If you're running mochitest with --keep-open=true, and need to
+    // easily tell whether the button really appeared, comment out the below
+    // line so that the button hangs around after the test finishes.
+    CustomizableUI.removeWidgetFromArea("firefox-view-button");
+    await SpecialPowers.popPrefEnv();
+  });
+});
+
+add_task(async function test_open_firefox_view() {
+  // setup
+  let newTabOpened = BrowserTestUtils.waitForEvent(
+    gBrowser.tabContainer,
+    "TabOpen"
+  );
+
+  // execute
+  await SMATestUtils.executeAndValidateAction({
+    type: "OPEN_FIREFOX_VIEW",
+  });
+
+  // verify
+  await newTabOpened;
+  assertFirefoxViewTab(window);
+
+  // cleanup
+  closeFirefoxViewTab(window);
+});