111 lines
3.5 KiB
JavaScript
111 lines
3.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
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// Tests tracing only on next page load
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"use strict";
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add_task(async function testTracingOnNextLoad() {
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await pushPref("devtools.debugger.features.javascript-tracing", true);
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// Cover tracing function argument values
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const jsCode = `function foo() {}; function bar() {}; foo(); dump("plop\\n")`;
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const dbg = await initDebuggerWithAbsoluteURL(
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"data:text/html," +
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encodeURIComponent(`<script>${jsCode}</script><body></body>`)
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);
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// This test covers the Web Console, whereas it is no longer the default output
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await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-console");
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let traceButton = dbg.toolbox.doc.getElementById("command-button-jstracer");
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ok(
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!traceButton.classList.contains("pending"),
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"Before toggling the trace button, it has no particular state"
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);
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await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-next-load");
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await toggleJsTracer(dbg.toolbox);
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info(
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"Wait for the split console to be automatically displayed when toggling this setting"
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);
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await dbg.toolbox.getPanelWhenReady("webconsole");
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invokeInTab("bar");
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// Let some time for the call to be traced
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await wait(500);
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is(
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(await findConsoleMessages(dbg.toolbox, "λ bar")).length,
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0,
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"The code isn't logged as the tracer shouldn't be started yet"
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);
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// Wait for the trace button to be highlighted
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await waitFor(() => {
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return traceButton.classList.contains("pending");
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}, "The tracer button is pending before reloading the page");
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info("Add an iframe to trigger a target creation");
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await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
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const iframe = content.document.createElement("iframe");
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iframe.src = "data:text/html,iframe";
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content.document.body.appendChild(iframe);
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});
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// Let some time to regress and start the tracer
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await wait(500);
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ok(
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traceButton.classList.contains("pending"),
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"verify that the tracer is still pending after the iframe creation"
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);
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// Reload the page to trigger the tracer
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await reload(dbg);
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info("Wait for tracing to be enabled after page reload");
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await hasConsoleMessage(dbg, "Started tracing to Web Console");
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is(
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traceButton.getAttribute("aria-pressed"),
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"true",
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"The tracer button is now active after reload"
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);
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info("Wait for the split console to be displayed");
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await dbg.toolbox.getPanelWhenReady("webconsole");
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// Ensure that the very early code is traced
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await hasConsoleMessage(dbg, "λ foo");
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is(
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(await findConsoleMessages(dbg.toolbox, "λ bar")).length,
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0,
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"The code ran before the reload isn't logged"
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);
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info("Toggle OFF the tracing");
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await toggleJsTracer(dbg.toolbox);
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await waitFor(() => {
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return !traceButton.classList.contains("active");
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}, "The tracer button is no longer active after stop request");
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info("Toggle the setting back off");
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await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-next-load");
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await waitFor(() => {
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traceButton = dbg.toolbox.doc.getElementById("command-button-jstracer");
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return !traceButton.classList.contains("pending");
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}, "The tracer button is no longer pending after toggling the setting");
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// Reset the trace on next interaction setting
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Services.prefs.clearUserPref(
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"devtools.debugger.javascript-tracing-on-next-interaction"
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);
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});
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