v8/test/inspector/debugger/collect-old-async-call-chains.js
dgozman 7bbea08f66 [inspector] Refactor protocol-test.js
This refactoring makes it easier to write advanced tests and
gives full control over what's happening to the test code.
It also forces description for every test.

BUG=none

Review-Url: https://codereview.chromium.org/2891213002
Cr-Commit-Position: refs/heads/master@{#45412}
2017-05-19 00:35:45 +00:00

172 lines
6.5 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
let {session, contextGroup, Protocol} = InspectorTest.start('Checks that we drop old async call chains.');
Protocol.Debugger.enable();
Protocol.Runtime.enable();
InspectorTest.runAsyncTestSuite([
async function testInfrastructure() {
Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainPromise(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainPromise(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainPromise(5, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainSetTimeout(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainSetTimeout(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(1024);
runWithAsyncChainSetTimeout(5, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
},
async function testZeroLimit() {
const limit = 0;
Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
},
async function testOneLimit() {
const limit = 1;
Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
},
async function testTwoLimit() {
const limit = 2;
Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(3, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(3, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
},
async function testMoreThanTwoLimit() {
for (let limit = 3; limit <= 7; ++limit) {
Protocol.Debugger.setAsyncCallStackDepth({maxDepth: 128});
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainPromise(3, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(1, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(2, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
await setMaxAsyncTaskStacks(limit);
runWithAsyncChainSetTimeout(3, 'console.trace(42)');
dumpAsyncChainLength(await Protocol.Runtime.onceConsoleAPICalled());
}
},
]);
function runWithAsyncChainPromise(len, source) {
InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
let then = '.then(() => 1)';
let pause = `.then(() => { ${source} })`;
Protocol.Runtime.evaluate({
expression: `Promise.resolve()${then.repeat(len - 1)}${pause}`
});
}
function runWithAsyncChainSetTimeout(len, source) {
InspectorTest.log(`Run expression '${source}' with async chain len: ${len}`);
let setTimeoutPrefix = '() => setTimeout(';
let setTimeoutSuffix = ', 0)';
Protocol.Runtime.evaluate({
expression: `setTimeout(${setTimeoutPrefix.repeat(len - 1)}'${source}'${setTimeoutSuffix.repeat(len - 1)}, 0)`
});
}
function dumpAsyncChainLength(message) {
let stackTrace = message.params.asyncStackTrace || message.params.stackTrace.parent;
let asyncChainCount = 0;
while (stackTrace) {
++asyncChainCount;
stackTrace = stackTrace.parent;
}
InspectorTest.log(`actual async chain len: ${asyncChainCount}\n`);
}
async function setMaxAsyncTaskStacks(max) {
let expression = `inspector.setMaxAsyncTaskStacks(${max})`;
InspectorTest.log(expression);
await Protocol.Runtime.evaluate({expression});
}