Files
tubestation/browser/components/customizableui/test/CustomizableUITestUtils.jsm
2018-04-04 11:34:16 +01:00

87 lines
3.0 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Shared functions generally available for tests involving PanelMultiView and
* the CustomizableUI elements in the browser window.
*/
var EXPORTED_SYMBOLS = ["CustomizableUITestUtils"];
ChromeUtils.import("resource://testing-common/Assert.jsm");
ChromeUtils.import("resource://testing-common/BrowserTestUtils.jsm");
class CustomizableUITestUtils {
/**
* Constructs an instance that operates with the specified browser window.
*/
constructor(window) {
this.window = window;
this.document = window.document;
this.PanelUI = window.PanelUI;
}
/**
* Opens a closed PanelMultiView via the specified function while waiting for
* the main view with the specified ID to become fully interactive.
*/
async openPanelMultiView(panel, mainView, openFn) {
if (panel.state == "open") {
// Some tests may intermittently leave the panel open. We report this, but
// don't fail so we don't introduce new intermittent test failures.
Assert.ok(true, "A previous test left the panel open. This should be" +
" fixed, but we can still do a best-effort recovery and" +
" assume that the requested view will be made visible.");
await openFn();
return;
}
if (panel.state == "hiding") {
// There may still be tests that don't wait after invoking a command that
// causes the main menu panel to close. Depending on timing, the panel may
// or may not be fully closed when the following test runs. We handle this
// case gracefully so we don't risk introducing new intermittent test
// failures that may show up at a later time.
Assert.ok(true, "A previous test requested the panel to close but" +
" didn't wait for the operation to complete. While" +
" the test should be fixed, we can still continue.");
} else {
Assert.equal(panel.state, "closed", "The panel is closed to begin with.");
}
let promiseShown = BrowserTestUtils.waitForEvent(mainView, "ViewShown");
await openFn();
await promiseShown;
}
/**
* Closes an open PanelMultiView via the specified function while waiting for
* the operation to complete.
*/
async hidePanelMultiView(panel, closeFn) {
Assert.ok(panel.state == "open", "The panel is open to begin with.");
let promiseHidden = BrowserTestUtils.waitForEvent(panel, "popuphidden");
await closeFn();
await promiseHidden;
}
/**
* Opens the main menu and waits for it to become fully interactive.
*/
async openMainMenu() {
await this.openPanelMultiView(this.PanelUI.panel, this.PanelUI.mainView,
() => this.PanelUI.show());
}
/**
* Closes the main menu and waits for the operation to complete.
*/
async hideMainMenu() {
await this.hidePanelMultiView(this.PanelUI.panel,
() => this.PanelUI.hide());
}
}