Deactivate loop detection in case of Koans using std in

Author: Julien Letrouit

src/main/java/engine/KoanTest.java

@@ -54,4 +54,8 @@ public String[] stdInInputs(final Locale locale) {
     public void setupRandomForKoan() {
         Helpers.setupRandomForKoan(seed);
     }
+
+    public boolean hasStdInputs() {
+        return stdInInputs.size() > 0;
+    }
 }

src/main/java/engine/Sensei.java

@@ -100,8 +100,12 @@ private boolean offerTest(KoanTest test, int successfulCount) {
         thread.setDaemon(true);
         thread.start();
         try {
-            thread.join(TIMEOUT_INFINITE_LOOPS_MS);
-            //thread.join();
+            if (test.hasStdInputs()) {
+                // Can't detect infinite loop when the user has to enter data through the console, because we don't know how much time to wait for.
+                thread.join();
+            } else {
+                thread.join(TIMEOUT_INFINITE_LOOPS_MS);
+            }
         }
         catch(InterruptedException ie) {
             throw new IllegalStateException(String.format("Something very weird happened. We should not have been interrupted: %s.", ie.getMessage()));