firefox-main/toolkit/crashreporter/test/unit/test_crash_signal_origin_linux.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
const { TestUtils } = ChromeUtils.importESModule(
);
add_task(async function test_signal_origin_external_sender() {
if (!("@mozilla.org/toolkit/crash-reporter;1" in Cc)) {
dump(
"INFO | test_crash_signal_origin_linux.js | Can't test crashreporter in a non-libxul build.\n"
);
return;
}
do_get_profile();
await makeFakeAppDir();
Services.appinfo.minidumpPath = do_get_tempdir();
const crashD = do_get_tempdir();
crashD.append("crash-events");
if (!crashD.exists()) {
crashD.create(crashD.DIRECTORY_TYPE, 0o700);
}
Services.env.set("CRASHES_EVENTS_DIR", crashD.path);
try {
// IOUtils.readUTF8 stats the file to size its buffer, but /proc/<pid>/comm
// reports size 0, so we must read a fixed number of bytes instead. comm is
// bounded by Linux's TASK_COMM_LEN (16); 64 bytes is plenty.
const commBytes = await IOUtils.read("/proc/self/comm", { maxBytes: 64 });
const expectedOrigin = new TextDecoder().decode(commBytes).trim();
Assert.notEqual(
expectedOrigin,
"",
"/proc/self/comm should yield a non-empty process name"
);
do_load_child_test_harness();
const headfile = do_get_file("crasher_subprocess_head.js");
await sendCommandAsync(
'load("' + headfile.path.replace(/\\/g, "/") + '");'
);
const childPid = parseInt(
await sendCommandAsync("Services.appinfo.processID"),
10
);
const processTools = Cc["@mozilla.org/processtools-service;1"].getService(
Ci.nsIProcessToolsService
);
// Send a SIGABRT to the child process.
processTools.crash(childPid);
const minidump = await TestUtils.waitForCondition(
() => getMinidump(),
"Waiting for minidump to be created"
);
const id = minidump.leafName.slice(0, -4);
await Services.crashmanager.ensureCrashIsPresent(id);
await handleMinidump(function (_mdump, extra) {
Assert.equal(
extra.SignalOrigin,
expectedOrigin,
"SignalOrigin should match /proc/self/comm of the signal-sending process"
);
});
} finally {
Services.env.set("CRASHES_EVENTS_DIR", "");
}
});
add_task(async function test_signal_origin_disregard_self() {
if (!("@mozilla.org/toolkit/crash-reporter;1" in Cc)) {
return;
}
await do_crash(
function () {
crashType = CrashTestUtils.CRASH_ABORT;
},
function (_mdump, extra) {
Assert.ok(
"CrashEventID" in extra,
"Sanity check: the crash report was produced"
);
Assert.ok(
!("SignalOrigin" in extra),
"SignalOrigin must not be recorded when the process aborts itself"
);
},
true
);
});