| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| |
| |
| |
| var common = require('../common'); |
| var assert = require('assert'); |
| |
| var assert = require('assert'); |
| var spawn = require('child_process').spawn; |
| var path = require('path'); |
| var fs = require('fs'); |
| |
| function fixtPath(p) { |
| return path.join(common.fixturesDir, p); |
| } |
| |
| var expected = 'hello world'; |
| |
| // Test the equivalent of: |
| // $ /bin/echo 'hello world' > hello.txt |
| var helloPath = path.join(common.tmpDir, 'hello.txt'); |
| |
| function test1(next) { |
| console.log('Test 1...'); |
| fs.open(helloPath, 'w', 400, function(err, fd) { |
| if (err) throw err; |
| var child = spawn('/bin/echo', [expected], {customFds: [-1, fd]}); |
| |
| assert.notEqual(child.stdin, null); |
| assert.equal(child.stdout, null); |
| assert.notEqual(child.stderr, null); |
| |
| child.on('exit', function(err) { |
| if (err) throw err; |
| fs.close(fd, function(error) { |
| if (error) throw error; |
| |
| fs.readFile(helloPath, function(err, data) { |
| if (err) throw err; |
| assert.equal(data.toString(), expected + '\n'); |
| console.log(' File was written.'); |
| next(test3); |
| }); |
| }); |
| }); |
| }); |
| } |
| |
| // Test the equivalent of: |
| // $ node ../fixture/stdio-filter.js < hello.txt |
| function test2(next) { |
| console.log('Test 2...'); |
| fs.open(helloPath, 'r', undefined, function(err, fd) { |
| var child = spawn(process.argv[0], |
| [fixtPath('stdio-filter.js'), 'o', 'a'], |
| {customFds: [fd, -1, -1]}); |
| |
| assert.equal(child.stdin, null); |
| var actualData = ''; |
| child.stdout.on('data', function(data) { |
| actualData += data.toString(); |
| }); |
| child.on('exit', function(code) { |
| if (err) throw err; |
| assert.equal(actualData, 'hella warld\n'); |
| console.log(' File was filtered successfully'); |
| fs.close(fd, function() { |
| next(test3); |
| }); |
| }); |
| }); |
| } |
| |
| // Test the equivalent of: |
| // $ /bin/echo 'hello world' | ../stdio-filter.js a o |
| function test3(next) { |
| console.log('Test 3...'); |
| var filter = spawn(process.argv[0], [fixtPath('stdio-filter.js'), 'o', 'a']); |
| var echo = spawn('/bin/echo', [expected], {customFds: [-1, filter.fds[0]]}); |
| var actualData = ''; |
| filter.stdout.on('data', function(data) { |
| console.log(' Got data --> ' + data); |
| actualData += data; |
| }); |
| filter.on('exit', function(code) { |
| if (code) throw 'Return code was ' + code; |
| assert.equal(actualData, 'hella warld\n'); |
| console.log(' Talked to another process successfully'); |
| }); |
| echo.on('exit', function(code) { |
| if (code) throw 'Return code was ' + code; |
| filter.stdin.end(); |
| fs.unlinkSync(helloPath); |
| }); |
| } |
| |
| test1(test2); |