Bug 1730273 - Test for Pocket panel closing unexpectedly. r=mconley

Differential Revision: https://phabricator.services.mozilla.com/D125486

browser/components/pocket/test/browser.ini

@@ -6,5 +6,6 @@ support-files =
 [browser_pocket_ui_check.js]
 [browser_pocket_context_menu_action.js]
 [browser_pocket_panel.js]
+[browser_pocket_panel_closemenu.js]
 [browser_pocket_home_panel.js]
 [browser_pocket_button_icon_state.js]

browser/components/pocket/test/browser_pocket_panel_closemenu.js

@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// This is testing the fix in bug 1729847, specifically
+// clicking enter while the pocket panel is open should not close the panel.
+add_task(async function() {
+  let tab = await BrowserTestUtils.openNewForegroundTab(
+    gBrowser,
+    "https://example.com/browser/browser/components/pocket/test/test.html"
+  );
+
+  info("clicking on pocket button in toolbar");
+  let pocketButton = document.getElementById("save-to-pocket-button");
+  // The panel is created on the fly, so we can't simply wait for focus
+  // inside it.
+  let pocketPanelShowing = BrowserTestUtils.waitForEvent(
+    document,
+    "popupshowing",
+    true
+  );
+  pocketButton.click();
+  await pocketPanelShowing;
+
+  let pocketPanel = document.getElementById("customizationui-widget-panel");
+  let pocketFrame = pocketPanel.querySelector("browser");
+
+  const getReadyState = async frame =>
+    SpecialPowers.spawn(frame, [], () => content.document.readyState);
+
+  // Ensure Pocket panel is ready to avoid intermittency.
+  await TestUtils.waitForCondition(
+    async () => (await getReadyState(pocketFrame)) == "complete"
+  );
+
+  // Ensure that the document layout has been flushed before triggering the focus event
+  // (See Bug 1519808 for a rationale).
+  await pocketFrame.ownerGlobal.promiseDocumentFlushed(() => {});
+
+  // The panelview should have closemenu="none".
+  // Without closemenu="none", the following sequence of
+  // frame focus then enter would close the panel,
+  // but we don't want it to close, we want it to stay open.
+  let focusEventPromise = BrowserTestUtils.waitForEvent(pocketFrame, "focus");
+  pocketFrame.focus();
+  await focusEventPromise;
+  EventUtils.synthesizeKey("VK_RETURN");
+
+  // Is the Pocket panel still open?
+  is(pocketPanel.state, "open", "pocket panel is showing");
+
+  // We're done now, we can close the panel.
+  info("closing pocket panel");
+  let pocketPanelHidden = BrowserTestUtils.waitForEvent(
+    pocketPanel,
+    "popuphidden"
+  );
+  pocketPanel.hidePopup();
+  await pocketPanelHidden;
+
+  BrowserTestUtils.removeTab(tab);
+});