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Test Info: Errors
- This test gets skipped with pattern: asan OR tsan OR a11y_checks
- This test failed 41 times in the preceding 30 days. quicksearch this test
- Manifest: devtools/client/debugger/test/mochitest/browser_aj.toml
/* 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
// Tests the Javascript Tracing feature.
"use strict";
const jsCode = `
function foo() { bar(42); };
function bar(num) {plop(window)};
function plop(win) {hey(win, false, null, undefined)};
function hey(win) {}`;
const TEST_URL = `data:text/html,test-page<script>${encodeURIComponent(
jsCode
)}</script>`;
add_task(async function () {
// This is preffed off for now, so ensure turning it on
await pushPref("devtools.debugger.features.javascript-tracing", true);
const dbg = await initDebuggerWithAbsoluteURL(TEST_URL);
info("Force the log method to be the debugger sidebar");
await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-debugger-sidebar");
info("Also enable values recording");
await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-log-values");
info("Enable the tracing");
await toggleJsTracer(dbg.toolbox);
is(
dbg.selectors.getSelectedPrimaryPaneTab(),
"tracer",
"The tracer sidebar is automatically shown on start"
);
invokeInTab("foo");
info("Wait for the call tree to appear in the tracer panel");
const tracerTree = await waitForElementWithSelector(
dbg,
"#tracer-tab-panel .tree"
);
info("Wait for the expected traces to appear in the call tree");
// There is only one top level trace being displayed for `foo` and one immediate children call to `bar`
await waitFor(() => tracerTree.querySelectorAll(".trace-line").length == 2);
const argumentSearchInput = findElementWithSelector(
dbg,
`#tracer-tab-panel .call-tree-container input`
);
async function checkSearchExpression(
searchQuery,
previewString,
matchesCount
) {
argumentSearchInput.value = "";
type(dbg, searchQuery);
await waitFor(() => {
const argumentSearchValue = findElementWithSelector(
dbg,
`#tracer-tab-panel .call-tree-container .search-value`
);
return (
argumentSearchValue.textContent ==
`Searching for:${previewString} (${matchesCount} match(es))`
);
});
}
info("Search for function call whose arguments contains '42'");
await checkSearchExpression("42", "42", 1);
pressKey(dbg, "Enter");
info("Wait for the matched trace to be focused");
await waitFor(() =>
tracerTree.querySelector(".tree-node.focused .trace-line")
);
let focusedTrace = tracerTree.querySelector(".tree-node.focused .trace-line");
Assert.stringContains(focusedTrace.textContent, "λ bar");
info("Search for some falsy values");
await checkSearchExpression("false", "false", 1);
await checkSearchExpression("null", "null", 1);
await checkSearchExpression("undefined", "undefined", 1);
info("Lookup for 'window' usages");
await checkSearchExpression("window", `Window ${TEST_URL}`, 2);
pressKey(dbg, "Enter");
info("Wait for the matched trace to be focused");
await waitFor(() =>
tracerTree.querySelector(".tree-node.focused .trace-line")
);
focusedTrace = tracerTree.querySelector(".tree-node.focused .trace-line");
Assert.stringContains(focusedTrace.textContent, "λ plop");
info("Lookup for the next match");
pressKey(dbg, "Enter");
await waitFor(
() =>
tracerTree.querySelector(".tree-node.focused .trace-line") !=
focusedTrace,
"Wait for focusing a different line"
);
focusedTrace = tracerTree.querySelector(".tree-node.focused .trace-line");
Assert.stringContains(focusedTrace.textContent, "λ hey");
info("Get back to the previous match");
pressKey(dbg, "ShiftEnter");
await waitFor(
() =>
tracerTree.querySelector(".tree-node.focused .trace-line") !=
focusedTrace,
"Wait for focusing back the first match"
);
focusedTrace = tracerTree.querySelector(".tree-node.focused .trace-line");
Assert.stringContains(focusedTrace.textContent, "λ plop");
info("Now type a bogus expression");
argumentSearchInput.value = "";
type(dbg, "bogus");
info("Wait for the exception to be displayed");
const argumentSearchException = await waitFor(() =>
findElementWithSelector(
dbg,
`#tracer-tab-panel .call-tree-container .search-exception`
)
);
await waitFor(() => {
return (
argumentSearchException.textContent ==
"ReferenceError: bogus is not defined"
);
});
info("Disable values recording before switching to next test");
await toggleJsTracerMenuItem(dbg, "#jstracer-menu-item-log-values");
});