diff --git a/lib/cli.js b/lib/cli.js
index b9fe16361..b27d9f122 100644
--- a/lib/cli.js
+++ b/lib/cli.js
@@ -50,6 +50,7 @@ var optimist = require('optimist').
     describe('stackTrace', 'Print stack trace on error').
     describe('params', 'Param object to be passed to the tests').
     describe('framework', 'Test framework to use: jasmine, cucumber or mocha').
+    describe('testResultOutput', 'Path to save JSON test result (Jasmine only)').
     alias('browser', 'capabilities.browserName').
     alias('name', 'capabilities.name').
     alias('platform', 'capabilities.platform').
diff --git a/lib/frameworks/jasmine.js b/lib/frameworks/jasmine.js
index 4cae42b82..22a1128f0 100644
--- a/lib/frameworks/jasmine.js
+++ b/lib/frameworks/jasmine.js
@@ -1,4 +1,5 @@
 var q = require('q');
+var fs = require('fs');
 
 /**
  * Execute the Runner's test cases through Jasmine.
@@ -15,18 +16,49 @@ exports.run = function(runner, specs) {
 
   var RunnerReporter = function(emitter) {
     this.emitter = emitter;
+    this.jsonOutput = [];
   };
 
   RunnerReporter.prototype.reportRunnerStarting = function() {};
-  RunnerReporter.prototype.reportRunnerResults = function() {};
+  RunnerReporter.prototype.reportRunnerResults = function() {
+    // If store results to json file
+    var testResultFile = runner.getConfig().testResultOutput;
+    if (testResultFile) {
+      if (fs.existsSync(testResultFile)) {
+        var prevDataRaw = fs.readFileSync(testResultFile);
+        var prevDataJson = JSON.parse(prevDataRaw);
+        this.jsonOutput = this.jsonOutput.concat(prevDataJson);
+      }
+
+      var json = JSON.stringify(this.jsonOutput, null, '  ');
+      fs.writeFileSync(testResultFile, json); 
+    }
+  };
   RunnerReporter.prototype.reportSuiteResults = function() {};
-  RunnerReporter.prototype.reportSpecStarting = function() {};
+  RunnerReporter.prototype.reportSpecStarting = function() {
+    this.startTime = new Date();
+  };
   RunnerReporter.prototype.reportSpecResults = function(spec) {
     if (spec.results().passed()) {
       this.emitter.emit('testPass');
     } else {
       this.emitter.emit('testFail');
     }
+
+    if (runner.getConfig().testResultOutput) {
+      var entry = {
+        result: [],
+        duration: new Date().getTime() - this.startTime.getTime()
+      };
+      spec.results().getItems().forEach(function(item) {
+        entry.result.push({
+          passed: item.passed(),
+          errorMsg: item.message,
+          stacktrace: item.trace.stack 
+        });
+      });
+      this.jsonOutput.push(entry);
+    }
   };
   RunnerReporter.prototype.log = function() {};
 
diff --git a/lib/frameworks/mocha.js b/lib/frameworks/mocha.js
index b7c5c443c..1ffd68fc9 100644
--- a/lib/frameworks/mocha.js
+++ b/lib/frameworks/mocha.js
@@ -1,4 +1,5 @@
 var q = require('q');
+var fs = require('fs');
 
 /**
  * Execute the Runner's test cases through Mocha.
@@ -35,19 +36,11 @@ exports.run = function(runner, specs) {
       global.it.only = global.iit = originalOnly;
 
       global.it.skip = global.xit = mochaAdapters.xit;
-    }catch(err){
+    } catch(err){
       deferred.reject(err);
     }
   });
 
-  mocha.suite.on('pass', function() {
-    runner.emit('testPass');
-  });
-
-  mocha.suite.on('fail', function() {
-    runner.emit('testFail');
-  });
-
   mocha.loadFiles();
 
   runner.runTestPreparer().then(function() {
@@ -56,7 +49,7 @@ exports.run = function(runner, specs) {
       mocha.addFile(file);
     });
 
-    mocha.run(function(failures) {
+    var mochaRunner = mocha.run(function(failures) {
       try {
         if (runner.getConfig().onComplete) {
           runner.getConfig().onComplete();
@@ -66,10 +59,54 @@ exports.run = function(runner, specs) {
         };
 
         deferred.resolve(resolvedObj);
-      }catch(err){
+      } catch(err){
         deferred.reject(err);
       }
     });
+
+    var jsonOutput = [];
+
+    mochaRunner.on('end', function() {
+      // If store results to json file
+      var testResultFile = runner.getConfig().testResultOutput;
+      if (testResultFile) {
+        if (fs.existsSync(testResultFile)) {
+          var prevDataRaw = fs.readFileSync(testResultFile);
+          var prevDataJson = JSON.parse(prevDataRaw);
+          jsonOutput = jsonOutput.concat(prevDataJson);
+        }
+
+        var json = JSON.stringify(jsonOutput, null, '  ');
+        fs.writeFileSync(testResultFile, json); 
+      }
+    });
+
+    mochaRunner.on('pass', function(test) {
+      runner.emit('testPass');
+      if (runner.getConfig().testResultOutput) {
+        jsonOutput.push({
+          result: [{
+            passed: true
+          }],
+          duration: test.duration
+        });
+      }
+    });
+
+    mochaRunner.on('fail', function(test) {
+      runner.emit('testFail');
+      if (runner.getConfig().testResultOutput) {
+        jsonOutput.push({
+          result: [{
+            passed: false,
+            errorMsg: test.err.message,
+            stacktrace: test.err.stack 
+          }],
+          duration: test.duration
+        });
+      }
+    });
+
   }).catch(function(reason){
       deferred.reject(reason);
   });