Add a working python file to test the interpreter.

unitTesting/CMakeLists.txt

@@ -38,6 +38,8 @@ TARGET_LINK_LIBRARIES(${EXECUTABLE_NAME} dynamic-graph-python)
 ADD_TEST(${EXECUTABLE_NAME}  ${EXECUTABLE_NAME})
 
 ADD_CUSTOM_COMMAND(TARGET interpreter-test-runfile POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/unitTesting/test_python_ok.py
+  ${CMAKE_BINARY_DIR}/unitTesting
   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/unitTesting/test_python_error.py
   ${CMAKE_BINARY_DIR}/unitTesting
 )

unitTesting/interpreter-test-runfile.cc

 // The purpose of this unit test is to check the interpreter::runPythonFile method
+#include <cstring>
+#include <iostream>
+
 #include "dynamic-graph/python/interpreter.hh"
 
+
 int main(int argc, char ** argv)
 {
   // execute numerous time the same file.
@@ -10,11 +14,34 @@ int main(int argc, char ** argv)
   if (argc > 1)
     numTest = atoi(argv[1]);
 
+  std::string empty_err = "";
   dynamicgraph::python::Interpreter interp;
 
   for (int i=0; i<numTest; ++i)
   {
-    interp.runPythonFile("test_python_error.py");
+    interp.runPythonFile("test_python_ok.py", empty_err);
+    if (empty_err != "")
+    {
+      std::cerr << "At iteration " << i << ", the error was not empty:" << std::endl;
+      std::cerr << " err " << empty_err << std::endl;
+      return -1;
+    }
+  }
+
+  // check that the error remains the same, despite of the number of executions
+  std::string old_err;
+  interp.runPythonFile("test_python_error.py", old_err);
+  std::string new_err = old_err;
+  for (int i=0; i<numTest; ++i)
+  {
+    interp.runPythonFile("test_python_error.py", new_err);
+    if (old_err != new_err)
+    {
+      std::cerr << "At iteration " << i << ", the error changed:" << std::endl;
+      std::cerr << " old " << old_err << std::endl;
+      std::cerr << " new " << new_err << std::endl;
+      return -1;
+    }
   }
 
   return 0;

unitTesting/test_python_ok.py

+import sys, os
+import re
+
+pkgConfigPath = os.environ.get("PKG_CONFIG_PATH")
+if pkgConfigPath == None:
+  pkgConfigPath = ''
+pathList = re.split(':', pkgConfigPath)
+
+print pathList
+