Disable test on prometheus-cpp which not need (#1363)

CMakeLists.txt

@@ -274,7 +274,10 @@ if(WITH_PROMETHEUS)
  if(NOT prometheus-cpp_FOUND)
  message("Trying to use local prometheus-cpp from submodule")
  if(EXISTS ${PROJECT_SOURCE_DIR}/third_party/prometheus-cpp/.git)
+ set(SAVED_ENABLE_TESTING ${ENABLE_TESTING})
+ set(ENABLE_TESTING OFF)
  add_subdirectory(third_party/prometheus-cpp)
+ set(ENABLE_TESTING ${SAVED_ENABLE_TESTING})
  else()
  message(
  FATAL_ERROR
@@ -361,7 +364,7 @@ if(BUILD_TESTING)
  ${CMAKE_BINARY_DIR}/lib/libgmock.a)
  elseif(WIN32)
  # Make sure we are always bootsrapped with vcpkg on Windows
- find_package(GTest)
+ find_package(GTest REQUIRED)
  if(NOT (GTEST_FOUND OR GTest_FOUND))
  install_windows_deps()
  find_package(GTest REQUIRED)

exporters/prometheus/test/CMakeLists.txt

@@ -1,11 +1,13 @@
-foreach(testname prometheus_exporter_test prometheus_collector_test
- prometheus_exporter_utils_test)
- add_executable(${testname} "${testname}.cc")
- target_link_libraries(
- ${testname} ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT}
- prometheus_exporter_deprecated prometheus-cpp::pull)
- gtest_add_tests(
- TARGET ${testname}
- TEST_PREFIX exporter.
- TEST_LIST ${testname})
-endforeach()
+if(WITH_METRICS_PREVIEW)
+ foreach(testname prometheus_exporter_test prometheus_collector_test
+ prometheus_exporter_utils_test)
+ add_executable(${testname} "${testname}.cc")
+ target_link_libraries(
+ ${testname} ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT}
+ prometheus_exporter_deprecated prometheus-cpp::pull)
+ gtest_add_tests(
+ TARGET ${testname}
+ TEST_PREFIX exporter.
+ TEST_LIST ${testname})
+ endforeach()
+endif()