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-rw-r--r--devtools/client/framework/test/allocations/reload-test.js81
1 files changed, 81 insertions, 0 deletions
diff --git a/devtools/client/framework/test/allocations/reload-test.js b/devtools/client/framework/test/allocations/reload-test.js
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+++ b/devtools/client/framework/test/allocations/reload-test.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/* import-globals-from head.js */
+/* eslint no-unused-vars: [2, {"vars": "local"}] */
+
+/**
+ * Generate a test Task to record allocation when reloading a test page
+ * while having one particular DevTools panel opened
+ *
+ * @param String recordName
+ * Name of the test recorded into PerfHerder/Talos database
+ * @param String toolId
+ * ID of the panel to open
+ */
+function createPanelReloadTest(recordName, toolId) {
+ return async function panelReloadTest() {
+ const TEST_URL =
+ "http://example.com/browser/devtools/client/framework/test/allocations/reloaded-page.html";
+
+ async function testScript(toolbox) {
+ const onTargetSwitched =
+ toolbox.commands.targetCommand.once("switched-target");
+ const onReloaded = toolbox.getCurrentPanel().once("reloaded");
+
+ gBrowser.reloadTab(gBrowser.selectedTab);
+
+ if (
+ toolbox.commands.targetCommand.targetFront.targetForm
+ .followWindowGlobalLifeCycle
+ ) {
+ info("Wait for target switched");
+ await onTargetSwitched;
+ }
+
+ info("Wait for panel reload");
+ await onReloaded;
+
+ // eslint-disable-next-line mozilla/no-arbitrary-setTimeout
+ await new Promise(resolve => setTimeout(resolve, 1000));
+ }
+
+ const tab = await addTab(TEST_URL);
+
+ const { require } = ChromeUtils.importESModule(
+ "resource://devtools/shared/loader/Loader.sys.mjs"
+ );
+ const {
+ gDevTools,
+ } = require("resource://devtools/client/framework/devtools.js");
+ const toolbox = await gDevTools.showToolboxForTab(tab, {
+ toolId,
+ });
+
+ // Run the test scenario first before recording in order to load all the
+ // modules. Otherwise they get reported as "still allocated" objects,
+ // whereas we do expect them to be kept in memory as they are loaded via
+ // the main DevTools loader, which keeps the module loaded until the
+ // shutdown of Firefox
+ await testScript(toolbox);
+
+ await startRecordingAllocations({
+ alsoRecordContentProcess: true,
+ });
+
+ // Now, run the test script. This time, we record this run.
+ for (let i = 0; i < 10; i++) {
+ await testScript(toolbox);
+ }
+
+ await stopRecordingAllocations(recordName, {
+ alsoRecordContentProcess: true,
+ });
+
+ await toolbox.destroy();
+ gBrowser.removeTab(tab);
+ };
+}