# Copyright (C) 2010-2013  (see AUTHORS file for a list of contributors)
#
# This file is part of GNSS-SDR.
#
# GNSS-SDR is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# at your option) any later version.
#
# GNSS-SDR is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
#


set(GTEST_DIR_LOCAL $ENV{GTEST_DIR})

if(NOT GTEST_DIR_LOCAL)
     # if GTEST_DIR is not defined, we download and build it
     set(gtest_RELEASE 1.6.0)
     ExternalProject_Add(
          gtest-${gtest_RELEASE}
          URL http://googletest.googlecode.com/files/gtest-${gtest_RELEASE}.zip
          DOWNLOAD_DIR ${CMAKE_CURRENT_BINARY_DIR}/../../download/gtest-${gtest_RELEASE}
          URL_MD5 "4577b49f2973c90bf9ba69aa8166b786"
          SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../thirdparty/gtest/gtest-${gtest_RELEASE}
          BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/../../gtest-${gtest_RELEASE}
          UPDATE_COMMAND ""
          PATCH_COMMAND ""
          INSTALL_COMMAND ""
     )
     # Set up variables
     # Set recently downloaded and build Googletest root folder
     set(GTEST_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../thirdparty/gtest/gtest-${gtest_RELEASE}")
     # Source code
     ExternalProject_Get_Property(gtest-${gtest_RELEASE} source_dir)
     set(GTEST_INCLUDE_DIR ${source_dir}/include)
     set(GTEST_INCLUDE_DIRECTORIES ${GTEST_DIR}/include ${GTEST_DIR} ${GTEST_DIR}/src)
     # Library
     ExternalProject_Get_Property(gtest-${gtest_RELEASE} binary_dir)
     set(GTEST_LIBRARY_PATH "${binary_dir}/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a;${binary_dir}/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main.a")
     set(GTEST_LIBRARY gtest-${gtest_RELEASE}) 
     set(GTEST_LIBRARIES 
          ${binary_dir}/${CMAKE_FIND_LIBRARY_PREFIXES}gtest.a 
          ${binary_dir}/${CMAKE_FIND_LIBRARY_PREFIXES}gtest_main.a 
     ) 
	 set(GTEST_LIB_DIR "${CMAKE_CURRENT_BINARY_DIR}/../../gtest-${gtest_RELEASE}")
endif(NOT GTEST_DIR_LOCAL)

if(GTEST_DIR_LOCAL)
     # If the variable GTEST_DIR is defined, we use the existing Googletest
     set(GTEST_DIR $ENV{GTEST_DIR})
     set(GTEST_INCLUDE_DIRECTORIES ${GTEST_DIR}/include ${GTEST_DIR} ${GTEST_DIR}/src)
     add_library(gtest ${GTEST_DIR}/src/gtest-all.cc ${GTEST_DIR}/src/gtest_main.cc)
     set(GTEST_LIBRARIES gtest)
endif(GTEST_DIR_LOCAL)
     
include_directories(
     ${GTEST_INCLUDE_DIRECTORIES}
     ${CMAKE_SOURCE_DIR}/src/core/system_parameters
     ${CMAKE_SOURCE_DIR}/src/core/interfaces
     ${CMAKE_SOURCE_DIR}/src/core/receiver
     ${CMAKE_SOURCE_DIR}/src/core/libs   
     ${CMAKE_SOURCE_DIR}/src/algorithms/libs
     ${CMAKE_SOURCE_DIR}/src/algorithms/resampler/gnuradio_blocks
     ${CMAKE_SOURCE_DIR}/src/algorithms/tracking/libs
     ${CMAKE_SOURCE_DIR}/src/algorithms/signal_source/adapters
     ${CMAKE_SOURCE_DIR}/src/algorithms/input_filter/adapters
     ${CMAKE_SOURCE_DIR}/src/algorithms/acquisition/adapters
     ${CMAKE_SOURCE_DIR}/src/algorithms/acquisition/gnuradio_blocks
     ${CMAKE_SOURCE_DIR}/src/algorithms/output_filter/adapters
     ${GLOG_INCLUDE_DIRS}
     ${GFlags_INCLUDE_DIRS}
     ${GNURADIO_CORE_INCLUDE_DIRS}
     ${GNURADIO_GRUEL_INCLUDE_DIRS}
     ${Boost_INCLUDE_DIRS}
)

add_executable(run_tests ${CMAKE_CURRENT_SOURCE_DIR}/test_main.cc)
target_link_libraries(run_tests ${Boost_LIBRARIES} ${GLOG_LIBRARIES} gflags ${GTEST_LIBRARIES} gnss_sp_libs gnss_rx)
install(TARGETS run_tests DESTINATION ${CMAKE_SOURCE_DIR}/install)

#########################################################
#  Adding Tests to Ctest
#########################################################


#set(CMAKE_CTEST_COMMAND ctest -V)
#add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
     
add_executable(control_thread_test EXCLUDE_FROM_ALL
     ${CMAKE_CURRENT_SOURCE_DIR}/single_test_main.cc 
     ${CMAKE_CURRENT_SOURCE_DIR}/control_thread/control_message_factory_test.cc
)
target_link_libraries(control_thread_test ${Boost_LIBRARIES} ${GLOG_LIBRARIES} gflags ${GTEST_LIBRARIES} gnss_sp_libs gnss_rx)
add_test(control_thread_test control_thread_test) 

add_executable(gnss_block_test EXCLUDE_FROM_ALL
     ${CMAKE_CURRENT_SOURCE_DIR}/single_test_main.cc 
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/file_signal_source_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/fir_filter_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/gps_l1_ca_pcps_acquisition_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/galileo_e1_pcps_ambiguous_acquisition_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/galileo_e1_pcps_ambiguous_acquisition_gsoc_test.cc
     #${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/galileo_e1_dll_pll_veml_tracking_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/file_output_filter_test.cc
     ${CMAKE_CURRENT_SOURCE_DIR}/gnss_block/gnss_block_factory_test.cc   
)
target_link_libraries(gnss_block_test ${Boost_LIBRARIES} ${GLOG_LIBRARIES} gflags ${GTEST_LIBRARIES} gnss_sp_libs gnss_rx)
add_test(gnss_block_test gnss_block_test)