TEST: Adding test to ensure non-regression on bugfix #1498

Modules/Wrappers/SWIG/test/python/Bug1498.py

+import otbApplication as otb
+
+# TO RUN WITH PYTHON3
+# try:
+#    unicode = unicode
+# except NameError:
+#    # 'unicode' is undefined, must be Python 3
+#    str = str
+#    unicode = str
+#    bytes = bytes
+#    basestring = (str,bytes)
+# else:
+#    # 'unicode' exists, must be Python 2
+#    str = str
+#    unicode = unicode
+#    bytes = str
+#    basestring = basestring
+  
+
+# This test checks that UpdateOutputInformation() has been called on output image pointers when connecting pipeline in-memory
+# This code snippet has been used to reproduce bug #1498
+
+if __name__ == '__main__':
+    inimage = sys.argv[2]
+    outimage = sys.argv[3]
+
+    ext1 = otb.Registry.CreateApplication("ExtractROI")
+    ext2 = otb.Registry.CreateApplication("ExtractROI")
+
+    ext1.SetParameterString('in',inimage)
+    ext1.Execute()
+    ext1.UpdateParameters()
+    
+    ext2.SetParameterInputImage('in',ext2.GetParameterOutputImage('out'))
+    ext2.UpdateParameters()
+    ext2.SetParameterStringList('cl',['Channel1'])
+    ext2.SetParameterString("out",outimage)
+    ext2.ExecuteAndWriteOutput()

Modules/Wrappers/SWIG/test/python/CMakeLists.txt

@@ -135,3 +135,11 @@ add_test( NAME pyTvConnectApplications
   PythonConnectApplications
   ${OTB_DATA_ROOT}/Input/poupees.tif
   ${TEMP}/pyTvConnectApplicationsOutput.tif)
+
+add_test( NAME pyTvBug1498
+  COMMAND ${TEST_DRIVER} Execute
+  ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/PythonTestDriver.py
+  Bug823
+  ${OTB_DATA_ROOT}/Input/poupees.tif
+  ${TEMP}/Bu1498-output.tif)  
+