mirror of https://gitee.com/openkylin/nodejs.git
59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
// Flags: --no-warnings
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cp = require('child_process');
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const path = require('path');
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const fs = require('fs');
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const tmpdir = require('../common/tmpdir');
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// This tests the emission of node.environment trace events
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const names = new Set([
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'Environment',
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'RunAndClearNativeImmediates',
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'CheckImmediate',
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'RunTimers',
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'BeforeExit',
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'RunCleanup',
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'AtExit'
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]);
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if (process.argv[2] === 'child') {
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// This is just so that the child has something to do.
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1 + 1;
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// These ensure that the RunTimers, CheckImmediate, and
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// RunAndClearNativeImmediates appear in the list.
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setImmediate(() => { 1 + 1; });
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setTimeout(() => { 1 + 1; }, 1);
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} else {
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tmpdir.refresh();
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const proc = cp.fork(__filename,
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[ 'child' ], {
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cwd: tmpdir.path,
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execArgv: [
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'--trace-event-categories',
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'node.environment'
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]
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});
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proc.once('exit', common.mustCall(async () => {
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const file = path.join(tmpdir.path, 'node_trace.1.log');
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const checkSet = new Set();
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assert(fs.existsSync(file));
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const data = await fs.promises.readFile(file);
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JSON.parse(data.toString()).traceEvents
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.filter((trace) => trace.cat !== '__metadata')
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.forEach((trace) => {
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assert.strictEqual(trace.pid, proc.pid);
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assert(names.has(trace.name));
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checkSet.add(trace.name);
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});
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assert.deepStrictEqual(names, checkSet);
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}));
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}
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