LiveTest: prevent running tests twice

(cherry picked from commit 8e41eb66)

product/ERP5Type/Tool/ComponentTool.py

@@ -48,6 +48,7 @@ from DateTime import DateTime
 DEFAULT_TEST_TEMPLATE_COPYRIGHT = "Copyright (c) 2002-%s Nexedi SA and " \
     "Contributors. All Rights Reserved." % DateTime().year()
 
+live_test_running = False
 last_sync = -1
 class ComponentTool(BaseTool):
   """
@@ -277,6 +278,12 @@ class Test(ERP5TypeTestCase):
     """
     from StringIO import StringIO
     global global_stream
+    global live_test_running
+    self.serialize()
+    if live_test_running:
+      LOG('ComponentTool', INFO, 'Live test already running')
+      return ''
+
     global_stream = StringIO()
     test_list = self._getCommaSeparatedParameterList(test_list)
     if not test_list:
@@ -289,6 +296,8 @@ class Test(ERP5TypeTestCase):
     run_only = self._getCommaSeparatedParameterList(run_only)
     verbosity = verbose and 2 or 1
 
+    try:
+      live_test_running = True
       from Products.ERP5Type.tests.ERP5TypeLiveTestCase import runLiveTest
       try:
         result = runLiveTest(test_list,
@@ -301,6 +310,8 @@ class Test(ERP5TypeTestCase):
         traceback.print_exc(file=global_stream)
       global_stream.seek(0)
       return global_stream.read()
+    finally:
+      live_test_running = False
 
   security.declareProtected(Permissions.ManagePortal, 'readTestOutput')
   def readTestOutput(self, position=0):