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42 lines
1.2 KiB
42 lines
1.2 KiB
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var path = require('path');
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// simulate `cat readfile.js | node readfile.js`
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if (process.platform === 'win32') {
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console.error('No /dev/stdin on windows. Skipping test.');
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process.exit();
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}
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var fs = require('fs');
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var filename = path.join(common.tmpDir, '/readfile_pipe_large_test.txt');
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var dataExpected = new Array(1000000).join('a');
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common.refreshTmpDir();
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fs.writeFileSync(filename, dataExpected);
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if (process.argv[2] === 'child') {
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fs.readFile('/dev/stdin', function(er, data) {
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if (er) throw er;
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process.stdout.write(data);
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});
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return;
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}
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var exec = require('child_process').exec;
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var f = JSON.stringify(__filename);
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var node = JSON.stringify(process.execPath);
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var cmd = 'cat ' + filename + ' | ' + node + ' ' + f + ' child';
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exec(cmd, { maxBuffer: 1000000 }, function(err, stdout, stderr) {
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if (err) console.error(err);
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assert(!err, 'it exits normally');
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assert(stdout === dataExpected, 'it reads the file and outputs it');
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assert(stderr === '', 'it does not write to stderr');
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console.log('ok');
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});
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process.on('exit', function() {
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fs.unlinkSync(filename);
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});
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