# Get the gtest/gmock dependencies.
gtest_dep = dependency('gtest', main: true, disabler: true, required: false)
gmock_dep = dependency('gmock', disabler: true, required: false)
if not gtest_dep.found() or not gmock_dep.found()
    cmake = import('cmake')
    gtest_proj = cmake.subproject('googletest',
                                  required: false)
    if gtest_proj.found()
        gtest_dep = declare_dependency(
            dependencies: [
                dependency('threads'),
                gtest_proj.dependency('gtest'),
                gtest_proj.dependency('gtest_main'),
            ]
        )
        gmock_dep = gtest_proj.dependency('gmock')
    else
        assert(not get_option('tests').enabled(),
               'Googletest is required if tests are enabled')
    endif
endif

################################################################################

# Compile the test dts into a binary for pdbg.
pdbg_test_dtb = custom_target('build_pdbg_test_dtb',
    input   : files('pdbg-test.dts'),
    output  : 'pdbg-test.dtb',
    command : [ find_program('dtc'), '-I', 'dts', '-O', 'dtb',
                '-o', '@OUTPUT@', '@INPUT@' ])

pdbg_env = 'PDBG_DTB=' + pdbg_test_dtb.full_path()

################################################################################

# IMPORTANT NOTE:
# We cannot link to `util_lib` because:
#   - It is built without `-DTEST_TRACE` and any of the util functions that use
#     `trace.hpp` will throw a linker error because we don't have access to
#     phosphor-logging in test ... yet.
#   - Some functions related to pdbg and dbus simply cannot be built in the test
#     environment. Instead, there are alternate implementation of those
#     functions to simulate them for testing.

test_args = [
  '-DTEST_TRACE',
  package_args,
]

test_util_srcs = [
  files(
    '../util/data_file.cpp',
    '../util/ffdc_file.cpp',
    '../util/pdbg.cpp',
    '../util/temporary_file.cpp',
    'dbus-sim-only.cpp',
    'pdbg-sim-only.cpp',
  ),
  pdbg_test_dtb
]

test_deps = [
  libhei_dep,
  libpdbg_dep,
  phosphor_logging_dep,
  gtest_dep,
]

test_vars = [
  pdbg_env,
  'LG2_FORCE_STDERR=true',
]

test_util_lib = static_library('test_util_lib',
  sources             : test_util_srcs,
  include_directories : incdir,
  dependencies        : test_deps,
  cpp_args            : test_args,
  install             : false,
)

test_libs = [
  analyzer_lib,
  attn_lib,
  test_util_lib,
]

# Additional SRCs that are not (or should not be) included in libraries.
# NOTE: Try to limit this, if possible, to prevent duplicate compilation.
test_additional_srcs = [
  '../analyzer/plugins/p10-plugins.cpp',
  '../analyzer/plugins/p10-tod-plugins.cpp',
  '../cli.cpp',
]

################################################################################

testcases = [
  'test-bin-stream',
  'test-ffdc-file',
  'test-lpc-timeout',
  'test-pdbg-dts',
  'test-pll-unlock',
  'test-resolution',
  'test-tod-step-check-fault',
]

foreach tc : testcases

  exe = executable(tc.underscorify(),
    sources             : [ files(tc + '.cpp'), test_additional_srcs ],
    include_directories : incdir,
    dependencies        : test_deps,
    cpp_args            : test_args,
    link_with           : test_libs,
  )

  test(tc, exe, env: test_vars)

endforeach

################################################################################

testcases = [
  'test-attention',
  'test-end2end',
  'test-util-data-file',
  'test-ti-handler',
]

foreach tc : testcases

  exe = executable(tc.underscorify(),
    sources             : [ files(tc + '.cpp'), test_additional_srcs ],
    include_directories : incdir,
    dependencies        : test_deps,
    cpp_args            : test_args,
    link_with           : hwdiags_libs, # TODO: should use test_libs instead
  )

  test(tc, exe, env: test_vars)

endforeach