TEST: Add unit tests for python API Image Metadata

Modules/Wrappers/SWIG/otb-module-init.cmake

@@ -50,4 +50,4 @@ if ( OTB_WRAP_PYTHON )
     message( WARNING 
       "OTB wrappers will be done without support for NumPy (not found).")
   endif()
-endif()
\ No newline at end of file
+endif()

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

@@ -180,3 +180,8 @@ add_test( NAME pyTvNoUpdateParameter
   ${OTB_DATA_ROOT}/Input/training/training.shp
   )
 
+add_test( NAME pyTuImageMetadata
+  COMMAND ${TEST_DRIVER} Execute
+  ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/PythonTestDriver.py
+  PythonImageMetadataTest
+  )

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

+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
+#
+# This file is part of Orfeo Toolbox
+#
+#     https://www.orfeo-toolbox.org/
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+def test(otb, argv):
+    imd = otb.ImageMetadataBase()
+
+    # Setters
+    imd["OrbitNumber"] = 2.0
+    imd["SensorID"] = "PHR"
+    imd["ProjectionWKT"] = "UTM projRef"
+    imd["Comment"] = "Test extra keys"
+
+    # is_xxx
+    assert imd.is_num("OrbitNumber")
+    assert not imd.is_num("SensorID")
+
+    assert imd.is_str("SensorID")
+    assert not imd.is_str("OrbitNumber")
+
+    assert imd.is_l1d("SpectralSensitivity")
+    assert not imd.is_l1d("SensorID")
+
+    assert imd.is_time("ProductionDate")
+    assert not imd.is_time("SensorID")
+
+    assert imd.is_geom("ProjectionWKT")
+    assert not imd.is_geom("SensorID")
+
+    assert imd.is_extra("Comment")
+    assert not imd.is_extra("SensorID")
+
+    # get_xxx
+    assert imd.get_num("OrbitNumber") == 2.0
+    assert imd.get_str("SensorID") == "PHR"
+    assert imd.get_extra("Comment") == "Test extra keys"
+
+    # Getters
+    assert imd["OrbitNumber"] == 2.0
+    assert imd["SensorID"] == "PHR"
+    # assert imd["ProjectionWKT"] == "UTM projRef" # This getter is not implemented yet
+    assert imd["Comment"] == "Test extra keys"
+
+    # has
+    assert imd.has("OrbitNumber")
+    assert imd.has("SensorID")
+    assert imd.has("Comment")
+    assert not imd.has("Comment2")
+    assert not imd.has("RadiometricLevel")
+
+    # GetProjectedGeometry
+    assert imd.GetProjectedGeometry() == "UTM projRef"
+
+    # GetProjectionProj
+    imd["ProjectionProj"] = "Proj String"
+    assert imd.GetProjectionProj() == "Proj String"
+
+    # __repr__
+    print(imd)
+    assert repr(imd) == ""