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102 lines
3.5 KiB
102 lines
3.5 KiB
// Flags: --expose_internals
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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 internalCp = require('internal/child_process');
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const oldSpawnSync = internalCp.spawnSync;
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// Verify that a shell is, in fact, executed
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const doesNotExist = cp.spawnSync('does-not-exist', {shell: true});
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assert.notStrictEqual(doesNotExist.file, 'does-not-exist');
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assert.strictEqual(doesNotExist.error, undefined);
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assert.strictEqual(doesNotExist.signal, null);
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if (common.isWindows)
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assert.strictEqual(doesNotExist.status, 1); // Exit code of cmd.exe
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else
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assert.strictEqual(doesNotExist.status, 127); // Exit code of /bin/sh
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// Verify that passing arguments works
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internalCp.spawnSync = common.mustCall(function(opts) {
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assert.strictEqual(opts.args[opts.args.length - 1].replace(/"/g, ''),
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'echo foo');
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return oldSpawnSync(opts);
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});
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const echo = cp.spawnSync('echo', ['foo'], {shell: true});
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internalCp.spawnSync = oldSpawnSync;
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assert.strictEqual(echo.stdout.toString().trim(), 'foo');
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// Verify that shell features can be used
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const cmd = 'echo bar | cat';
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const command = cp.spawnSync(cmd, {shell: true});
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assert.strictEqual(command.stdout.toString().trim(), 'bar');
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// Verify that the environment is properly inherited
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const env = cp.spawnSync(`"${process.execPath}" -pe process.env.BAZ`, {
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env: Object.assign({}, process.env, {BAZ: 'buzz'}),
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shell: true
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});
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assert.strictEqual(env.stdout.toString().trim(), 'buzz');
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// Verify that the shell internals work properly across platforms.
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{
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const originalComspec = process.env.comspec;
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// Enable monkey patching process.platform.
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const originalPlatform = process.platform;
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let platform = null;
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Object.defineProperty(process, 'platform', { get: () => platform });
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function test(testPlatform, shell, shellOutput) {
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platform = testPlatform;
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const cmd = 'not_a_real_command';
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const shellFlags = platform === 'win32' ? ['/d', '/s', '/c'] : ['-c'];
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const outputCmd = platform === 'win32' ? `"${cmd}"` : cmd;
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const windowsVerbatim = platform === 'win32' ? true : undefined;
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internalCp.spawnSync = common.mustCall(function(opts) {
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assert.strictEqual(opts.file, shellOutput);
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assert.deepStrictEqual(opts.args,
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[shellOutput, ...shellFlags, outputCmd]);
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assert.strictEqual(opts.options.shell, shell);
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assert.strictEqual(opts.options.file, opts.file);
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assert.deepStrictEqual(opts.options.args, opts.args);
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assert.strictEqual(opts.options.windowsVerbatimArguments,
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windowsVerbatim);
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});
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cp.spawnSync(cmd, { shell });
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internalCp.spawnSync = oldSpawnSync;
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}
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// Test Unix platforms with the default shell.
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test('darwin', true, '/bin/sh');
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// Test Unix platforms with a user specified shell.
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test('darwin', '/bin/csh', '/bin/csh');
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// Test Android platforms.
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test('android', true, '/system/bin/sh');
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// Test Windows platforms with a user specified shell.
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test('win32', 'powershell.exe', 'powershell.exe');
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// Test Windows platforms with the default shell and no comspec.
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delete process.env.comspec;
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test('win32', true, 'cmd.exe');
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// Test Windows platforms with the default shell and a comspec value.
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process.env.comspec = 'powershell.exe';
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test('win32', true, process.env.comspec);
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// Restore the original value of process.platform.
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platform = originalPlatform;
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// Restore the original comspec environment variable if necessary.
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if (originalComspec)
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process.env.comspec = originalComspec;
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}
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