added funtionality to run selected test only and functionality to show available tests

lib/damask/test/test.py

@@ -23,6 +23,8 @@ class Test():
                 'keep':          False,
                 'accept':        False,
                 'updateRequest': False,
+                'show':          False,
+                'select':        None,
                 }
     for arg in defaults.keys():
       setattr(self,arg,kwargs.get(arg) if kwargs.get(arg) else defaults[arg])
@@ -58,10 +60,18 @@ class Test():
                            action = "store_true",
                            dest   = "accept",
                            help   = "calculate results but always consider test as successfull")
-
+    self.parser.add_option("-l",   "--list",
+                           action = "store_true",
+                           dest   = "show",
+                           help   = "show all test variants and do no calculation")
+    self.parser.add_option("-s",   "--select",
+                           dest   = "select",
+                           help   = "run test of given name only")
     self.parser.set_defaults(keep   = self.keep,
                              accept = self.accept,
                              update = self.updateRequest,
+                             show   = self.show,
+                             select = self.select,
                             )
 
     
@@ -73,6 +83,11 @@ class Test():
       self.prepareAll()
 
     for variant,name in enumerate(self.variants):
+      if self.options.show:
+        logging.critical('{}: {}'.format(variant,name))
+      elif self.options.select is not None and name != self.options.select:
+        pass
+      else:
         try:
           if not self.options.keep:
             self.prepare(variant)