implement the logic to write the reuslt to a file if options.output i…

…s defined

README.md

@@ -68,11 +68,6 @@ Default value: `false`
 If true, protractor will not give colored output.
 If false, protractor will give colored output, as it does by default.
 
-#### options.output
-Type: `String`
-
-The file that the task should output the results to.
-
 #### options.debug
 Type: `Boolean`
 Default value: `false`
@@ -107,6 +102,12 @@ Supported arguments are below.
 * cucumberOpts `object`: Cucumber framework options object to be passed to the test, e.g. require, tags and format
 * mochaOpts `object`: Mocha test framework options object to be passed
 
+#### options.output
+Type: `String`
+Default value: `false`
+
+The file that the task should output the results to.
+
 ## Tests
 
 Run `npm install` to install dependencies.

package.json

@@ -35,7 +35,9 @@
  "grunt-contrib-jshint": "~0.6.0",
  "grunt-contrib-clean": "~0.4.0",
  "grunt-contrib-nodeunit": "~0.2.0",
- "grunt": "~0.4.1"
+ "grunt": "~0.4.1",
+ "split": "~0.3.0",
+ "through2": "~0.5.1"
  },
  "peerDependencies": {
  "grunt": "~0.4.1"

tasks/protractor_runner.js

@@ -10,6 +10,9 @@
 
 var util = require('util');
 var path = require('path');
+var fs = require('fs');
+var split = require('split');
+var through2 = require('through2');
 
 module.exports = function(grunt) {
 
@@ -28,7 +31,8 @@ module.exports = function(grunt) {
  keepAlive: false,
  noColor: false,
  debug: false,
- args: {}
+ args: {},
+ output: false
  });
 
  // configFile is a special property which need not to be in options{} object.
@@ -102,11 +106,11 @@ module.exports = function(grunt) {
 
  // Spawn protractor command
  var done = this.async();
- grunt.util.spawn({
+ var child = grunt.util.spawn({
  cmd: 'node',
  args: args,
  opts: {
- stdio:'inherit'
+ stdio:'pipe'
  }
  },
  function(error, result, code) {
@@ -128,6 +132,29 @@ module.exports = function(grunt) {
  }
  }
  );
+ child.stdout.pipe(process.stdout);
+ child.stderr.pipe(process.stderr);
+
+ // Write the result in the output file
+ if (!grunt.util._.isUndefined(opts.output) && opts.output !== false) {
+
+ grunt.verbose.writeln("Write the result to: " + opts.output);
+
+ grunt.file.mkdir(path.dirname(opts.output));
+
+ child.stdout
+ .pipe(split())
+ .pipe(through2(function (chunk, encoding, callback) {
+ if ((/^Using the selenium server at/).test(chunk.toString())) {
+ // skip
+ }
+ else {
+ this.push(chunk + '\n');
+ } 
+ callback();
+ }))
+ .pipe(fs.createWriteStream(opts.output));
+ }
  });
 
 };