Extract system concerns file

noodleTest.js

@@ -6,7 +6,8 @@ module.exports = (function(config){
     var events = require('./events');
     var EventEmitter = events.EventEmitter;
     var sys = require('sys');
-    var cons = require('./noodleTestConsole');
+    var addConsoleOutputConcerns = require('./noodleTestConsole');
+    var addSystemConcerns = require('./system');
     var Assertion = require('./assertion');
     var testQueue = require('./testQueue')();
     var Test = require('./test')(Assertion, testQueue, config.timeout);
@@ -31,24 +32,9 @@ module.exports = (function(config){
       main.emit('popContext', {name: name, context: ctx});
     };
 
-    var seen = false;
-    var seenFailure = function() {
-      seen = true;
-    };
-    main.on('assertionFailed', seenFailure);
-    main.on('testFlunk', seenFailure);
-
-    main.onFailureExitNonZero = function() {
-        process.on('exit', function(a) {
-            if (seen) {
-                /* Hack */
-                process.kill(process.pid, 'SIGHUP');
-            }
-        });
-    };
-
+    addSystemConcerns(main);
     if (!config['quiet']) {
-      cons(main);
+      addConsoleOutputConcerns(main);
     }
 
     return main;

system.js

@@ -0,0 +1,23 @@
+module.exports = function(main) {
+
+    /* Ensure script exits non-zero on test failure, to ease use in
+     * Continuous Integration environments.
+     * Client code must call onFailureExitNonZero() to get this feature
+     */
+
+    var seenFailure = false;
+    var seenFailureCallback = function() {
+      seenFailure = true;
+    };
+    main.on('assertionFailed', seenFailureCallback);
+    main.on('testFlunk', seenFailureCallback);
+
+    main.onFailureExitNonZero = function() {
+        process.on('exit', function(a) {
+            if (seenFailure) {
+                /* Hack */
+                process.kill(process.pid, 'SIGHUP');
+            }
+        });
+    };
+};