bindings, test: fix for python tests and Cppyy test case (fixes #724)

src/flow-monitor/examples/wifi-olsr-flowmon.py

@@ -41,7 +41,7 @@ def main(argv):
 
     from ctypes import c_int, c_bool
     NumNodesSide = c_int(2)
-    Plot = c_bool(True)
+    Plot = c_bool(False)
     Results = "output.xml"
     cmd = ns.cppyy.gbl.GetCommandLine(__file__, NumNodesSide, Plot, Results)
     cmd.Parse(argv)
@@ -170,7 +170,7 @@ def main(argv):
         print (monitor.SerializeToXmlFile(Results, True, True))
 
 
-    if Plot is not None:
+    if Plot:
         import pylab
         delays = []
         for flow_id, flow_stats in monitor.GetFlowStats():

test.py

@@ -1641,10 +1641,19 @@ def run_tests():
                         total_tests = total_tests + 1
 
     elif len(options.pyexample):
+        # Find the full relative path to file if only a partial path has been given.
+        if not os.path.exists(options.pyexample):
+            import glob
+            files = glob.glob("./**/%s" % options.pyexample, recursive=True)
+            if files:
+                options.pyexample = files[0]
+
         # Don't try to run this example if it isn't runnable.
         example_name = os.path.basename(options.pyexample)
         if example_name not in ns3_runnable_scripts:
             print("Example %s is not runnable." % example_name)
+        elif not os.path.exists(options.pyexample):
+            print("Example %s does not exist." % example_name)
         else:
             #
             # If you tell me to run a python example, I will try and run the example

utils/tests/test-ns3.py

@@ -1887,6 +1887,35 @@ class NS3BuildBaseTestCase(NS3BaseTestCase):
         # Maybe check the built binary for shared library references? Using objdump, otool, etc
         NS3BuildBaseTestCase.cleaned_once = False
 
+    def test_12_CppyyBindings(self):
+        """!
+        Test if we can use python bindings
+        @return None
+        """
+        try:
+            import cppyy
+        except ModuleNotFound:
+            self.skipTest("Cppyy was not found")
+
+        # First enable examples and static build
+        return_code, stdout, stderr = run_ns3(
+            "configure -G \"Unix Makefiles\" --enable-python-bindings")
+
+        # If configuration passes, we are half way done
+        self.assertEqual(return_code, 0)
+
+        # Then build and run tests
+        return_code, stdout, stderr = run_program("test.py", "", python=True)
+        self.assertEqual(return_code, 0)
+
+        # Then try to run a specific test
+        return_code, stdout, stderr = run_program("test.py", "-p mixed-wired-wireless", python=True)
+        self.assertEqual(return_code, 0)
+
+        # Then try to run a specific test with the full relative path
+        return_code, stdout, stderr = run_program("test.py", "-p ./examples/wireless/mixed-wired-wireless", python=True)
+        self.assertEqual(return_code, 0)
+
 
 class NS3ExpectedUseTestCase(NS3BaseTestCase):
     """!