cmake_minimum_required(VERSION 3.26)

project(measurements_tests)

# Default build type for test code is Debug
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE Debug)
endif()

include("${pennylane_lightning_SOURCE_DIR}/cmake/support_tests.cmake")
FetchAndIncludeCatch()

################################################################################
# Define library
################################################################################

add_library(measurements_tests INTERFACE)
target_link_libraries(measurements_tests INTERFACE  Catch2::Catch2)

# Create dependencies on the dynamically defined simulator/backend targets.
foreach(BACKEND ${PL_BACKEND})
    target_link_libraries(measurements_tests INTERFACE  ${BACKEND}
                                                        "${BACKEND}_measurements"
                                                        "${BACKEND}_observables"
                                                        )
endforeach()

ProcessTestOptions(measurements_tests)

target_sources(measurements_tests INTERFACE runner_measurements.cpp)

################################################################################
# Define targets
################################################################################
set(TEST_SOURCES    Test_MeasurementsBase.cpp
                    )

add_executable(measurements_test_runner ${TEST_SOURCES})
target_link_libraries(measurements_test_runner PRIVATE  measurements_tests)

catch_discover_tests(measurements_test_runner)

install(TARGETS measurements_test_runner DESTINATION bin)

if(ENABLE_PLGPU_MPI) #FIXME: Currently base MPI tests explicitly use LG-MPI
    add_library(measurements_tests_mpi INTERFACE)
    target_link_libraries(measurements_tests_mpi INTERFACE     Catch2::Catch2)
    foreach(BACKEND ${PL_BACKEND})
        target_link_libraries(measurements_tests_mpi INTERFACE  ${BACKEND}
                                                            "${BACKEND}_gates"
                                                            "${BACKEND}_measurements"
                                                            "${BACKEND}_observables"
        )
    endforeach()

    ProcessTestOptions(measurements_tests_mpi)

    target_sources(measurements_tests_mpi INTERFACE ./mpi/runner_measurements_mpi.cpp)

    ################################################################################
    # Define targets
    ################################################################################
    set(TEST_SOURCES    ./mpi/Test_MeasurementsBaseMPI.cpp)

    add_executable(measurements_test_runner_mpi ${TEST_SOURCES})
    target_link_libraries(measurements_test_runner_mpi PRIVATE measurements_tests_mpi)
    catch_discover_tests(measurements_test_runner_mpi)
endif()
