Parallel CLI option. For #68

README.md

@@ -22,6 +22,7 @@ keep the execution engine as simple as possible, and not try to build an extensi
 - `-l` - disables global variable leak detection.
 - `-m` - individual tests timeout in milliseconds, defaults to 2 seconds.
 - `-o` - file to save the report to (`html` only), otherwise sent to stdout.
+- `-p` - sets parallel execution as default test option. Defaults to serial execution.
 - `-r` - the reporter used to generate the test results. Defaults to `console`. Options are:
     - `console` - simple text output to console.
     - `html` - HTML code coverage report (sets `-c`).

lib/execute.js

@@ -63,6 +63,11 @@ exports.execute = function (skipTraverse) {
         .alias('o', 'output')
         .describe('o', 'file path to write test results')
 
+        .alias('p', 'parallel')
+        .default('p', false)
+        .describe('p', 'parallel test execution within each experiment')
+        .boolean('p')
+
         .alias('r', 'reporter')
         .default('r', 'console')
         .describe('r', 'reporter module [console, html, json, spec, summary, tap]')
@@ -95,6 +100,7 @@ exports.execute = function (skipTraverse) {
 
     process.env.NODE_ENV = argv.e || 'test';
     internals.timeout = argv.m;
+    internals.parallel = argv.p;
 
     // Load tests
 
@@ -296,7 +302,9 @@ internals.executeTests = function (experiment, state, callback) {
 
     for (var i = 0, il = experiment.tests.length; i < il; ++i) {
         var test = experiment.tests[i];
-        if (test.options.parallel) {
+        if (test.options.parallel ||
+            (test.options.parallel === undefined && internals.parallel)) {
+
             parallel.push(test);
         }
         else {