reporter-specific options and support for the xunit reporter to output to a file (#2)

bin/_mocha

@@ -64,6 +64,7 @@ program
   .option('-A, --async-only', "force all tests to take a callback (async)")
   .option('-C, --no-colors', 'force disabling of colors')
   .option('-G, --growl', 'enable growl notification support')
+  .option('-O, --reporter-options <k=v,k2=v2,...>', 'reporter-specific options')
   .option('-R, --reporter <name>', 'specify the reporter to use', 'spec')
   .option('-S, --sort', "sort test files")
   .option('-b, --bail', "bail after first test failure")
@@ -190,9 +191,22 @@ program.parse(process.argv);
 
 Error.stackTraceLimit = Infinity; // TODO: config
 
+// reporter options
+
+var reporterOptions = {};
+if (program.reporterOptions !== undefined) {
+    program.reporterOptions.split(",").forEach(function(opt) {
+        var L = opt.split("=");
+        if (L.length != 2) {
+            throw new Error("invalid reporter option '" + opt + "'");
+        }
+        reporterOptions[L[0]] = L[1];
+    });
+}
+
 // reporter
 
-mocha.reporter(program.reporter);
+mocha.reporter(program.reporter, reporterOptions);
 
 // interface
 

lib/mocha.js

@@ -69,7 +69,7 @@ function Mocha(options) {
   this.suite = new exports.Suite('', new exports.Context);
   this.ui(options.ui);
   this.bail(options.bail);
-  this.reporter(options.reporter);
+  this.reporter(options.reporter, options.reporterOptions);
   if (null != options.timeout) this.timeout(options.timeout);
   this.useColors(options.useColors)
   if (options.slow) this.slow(options.slow);
@@ -119,10 +119,10 @@ Mocha.prototype.addFile = function(file){
  * Set reporter to `reporter`, defaults to "spec".
  *
  * @param {String|Function} reporter name or constructor
+ * @param {Object} reporterOptions optional options
  * @api public
  */
-
-Mocha.prototype.reporter = function(reporter){
+Mocha.prototype.reporter = function(reporter, reporterOptions){
   if ('function' == typeof reporter) {
     this._reporter = reporter;
   } else {
@@ -137,6 +137,7 @@ Mocha.prototype.reporter = function(reporter){
     if (!_reporter) throw new Error('invalid reporter "' + reporter + '"');
     this._reporter = _reporter;
   }
+  this.options.reporterOptions = reporterOptions;
   return this;
 };
 
@@ -366,5 +367,14 @@ Mocha.prototype.run = function(fn){
   if (options.growl) this._growl(runner, reporter);
   exports.reporters.Base.useColors = options.useColors;
   exports.reporters.Base.inlineDiffs = options.useInlineDiffs;
-  return runner.run(fn);
+
+  function done(failures) {
+      if (reporter.done) {
+          reporter.done(failures, fn);
+      } else {
+          fn(failures);
+      }
+  }
+
+  return runner.run(done);
 };

lib/reporters/xunit.js

@@ -5,6 +5,7 @@
 
 var Base = require('./base')
   , utils = require('../utils')
+  , fs = require('fs')
   , escape = utils.escape;
 
 /**
@@ -30,12 +31,19 @@ exports = module.exports = XUnit;
  * @api public
  */
 
-function XUnit(runner) {
+function XUnit(runner, options) {
   Base.call(this, runner);
   var stats = this.stats
     , tests = []
     , self = this;
 
+  if (options.reporterOptions && options.reporterOptions.output) {
+      if (! fs.createWriteStream) {
+          throw new Error('file output not supported in browser');
+      }
+      self.fileStream = fs.createWriteStream(options.reporterOptions.output);
+  }
+
   runner.on('pending', function(test){
     tests.push(test);
   });
@@ -49,7 +57,7 @@ function XUnit(runner) {
   });
 
   runner.on('end', function(){
-    console.log(tag('testsuite', {
+    self.write(tag('testsuite', {
         name: 'Mocha Tests'
       , tests: stats.tests
       , failures: stats.failures
@@ -59,22 +67,46 @@ function XUnit(runner) {
       , time: (stats.duration / 1000) || 0
     }, false));
 
-    tests.forEach(test);
-    console.log('</testsuite>');
+    tests.forEach(function(t) { self.test(t); });
+    self.write('</testsuite>');
   });
 }
 
+/**
+ * Override done to close the stream (if it's a file).
+ */
+XUnit.prototype.done = function(failures, fn) {
+    if (this.fileStream) {
+        this.fileStream.end(function() {
+            fn(failures);
+        });
+    } else {
+        fn(failures);
+    }
+};
+
 /**
  * Inherit from `Base.prototype`.
  */
 
 XUnit.prototype.__proto__ = Base.prototype;
 
+/**
+ * Write out the given line
+ */
+XUnit.prototype.write = function(line) {
+    if (this.fileStream) {
+        this.fileStream.write(line + '\n');
+    } else {
+        console.log(line);
+    }
+};
+
 /**
  * Output tag for the given `test.`
  */
 
-function test(test) {
+XUnit.prototype.test = function(test, ostream) {
   var attrs = {
       classname: test.parent.fullTitle()
     , name: test.title
@@ -83,13 +115,13 @@ function test(test) {
 
   if ('failed' == test.state) {
     var err = test.err;
-    console.log(tag('testcase', attrs, false, tag('failure', {}, false, cdata(escape(err.message) + "\n" + err.stack))));
+    this.write(tag('testcase', attrs, false, tag('failure', {}, false, cdata(escape(err.message) + "\n" + err.stack))));
   } else if (test.pending) {
-    console.log(tag('testcase', attrs, false, tag('skipped', {}, true)));
+    this.write(tag('testcase', attrs, false, tag('skipped', {}, true)));
   } else {
-    console.log(tag('testcase', attrs, true) );
+    this.write(tag('testcase', attrs, true) );
   }
-}
+};
 
 /**
  * HTML tag helper.