Multiple fixes for tests deb package build.

Added opencv_testing.sh.in file;
opencv_testing.sh installation guarded by OS check.
(cherry picked from commit d9dc5ffa)

CMakeLists.txt

@@ -561,6 +561,13 @@ include(cmake/OpenCVGenConfig.cmake)
 # Generate Info.plist for the IOS framework
 include(cmake/OpenCVGenInfoPlist.cmake)
 
+# Generate environment setup file
+if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH AND UNIX AND NOT ANDROID)
+  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_testing.sh.in"
+                 "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" @ONLY IMMEDIATE)
+  install(FILES "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" DESTINATION /etc/profile.d/ COMPONENT tests)
+endif()
+
 # ----------------------------------------------------------------------------
 # Summary:
 # ----------------------------------------------------------------------------

cmake/OpenCVPackaging.cmake

@@ -56,12 +56,6 @@ set(CPACK_DEB_COMPONENT_INSTALL TRUE)
 set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
 set(CPACK_DEBIAN_PACKAGE_SECTION "libs")
 set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://opencv.org")
-if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH)
-  set(prefix "${CMAKE_INSTALL_PREFIX}")
-  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/opencv_testing.sh.in"
-                 "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" @ONLY IMMEDIATE)
-  install(FILES "${CMAKE_BINARY_DIR}/unix-install/opencv_testing.sh" DESTINATION /etc/profile.d/ COMPONENT tests)
-endif()
 
 #depencencies
 set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS TRUE)

cmake/templates/opencv_testing.sh.in

+# Environment setup for OpenCV testing
+export OPENCV_TEST_DATA_PATH=@CMAKE_INSTALL_PREFIX@/share/OpenCV/testdata
\ No newline at end of file

data/CMakeLists.txt

@@ -9,10 +9,10 @@ elseif(NOT WIN32)
   install(FILES ${LBP_CASCADES}  DESTINATION share/OpenCV/lbpcascades  COMPONENT libs)
 endif()
 
-if (OPENCV_TEST_DATA_PATH)
+if(INSTALL_TESTS AND OPENCV_TEST_DATA_PATH)
   if(ANDROID)
-    install(FILES ${OPENCV_TEST_DATA_PATH} DESTINATION sdk/etc/testdata COMPONENT tests)
+    install(DIRECTORY ${OPENCV_TEST_DATA_PATH} DESTINATION sdk/etc/testdata COMPONENT tests)
   elseif(NOT WIN32)
-    install(FILES ${OPENCV_TEST_DATA_PATH} DESTINATION share/OpenCV/testdata COMPONENT tests)
+    install(DIRECTORY ${OPENCV_TEST_DATA_PATH} DESTINATION share/OpenCV/testdata COMPONENT tests)
   endif()
 endif()
\ No newline at end of file