fix: build unit tests with shared library

Author: HuaHuaY

CMakeLists.txt

@@ -45,6 +45,21 @@ option(ICEBERG_BUILD_REST "Build rest catalog client" ON)
 option(ICEBERG_ENABLE_ASAN "Enable Address Sanitizer" OFF)
 option(ICEBERG_ENABLE_UBSAN "Enable Undefined Behavior Sanitizer" OFF)
 
+if(ICEBERG_BUILD_SHARED)
+  set(ICEBERG_TEST_LINKAGE_DEFAULT "shared")
+else()
+  set(ICEBERG_TEST_LINKAGE_DEFAULT "static")
+endif()
+set(ICEBERG_TEST_LINKAGE ${ICEBERG_TEST_LINKAGE_DEFAULT} CACHE STRING "Linkage of Iceberg libraries with unit tests executables")
+if(ICEBERG_BUILD_TESTS)
+  if(ICEBERG_TEST_LINKAGE STREQUAL "shared" AND NOT ICEBERG_BUILD_SHARED)
+    message(FATAL_ERROR "If using ICEBERG_TEST_LINKAGE=shared, must also pass ICEBERG_BUILD_SHARED=on")
+  endif()
+  if(ICEBERG_TEST_LINKAGE STREQUAL "static" AND NOT ICEBERG_BUILD_STATIC)
+    message(FATAL_ERROR "If using ICEBERG_TEST_LINKAGE=static, must also pass ICEBERG_BUILD_STATIC=on")
+  endif()
+endif()
+
 include(GNUInstallDirs)
 include(FetchContent)
 

src/iceberg/test/CMakeLists.txt

@@ -52,12 +52,20 @@ function(add_iceberg_test test_name)
 
   target_sources(${test_name} PRIVATE ${ARG_SOURCES})
 
-  if(ARG_USE_BUNDLE)
-    target_link_libraries(${test_name} PRIVATE iceberg_bundle_static GTest::gtest_main
-                                               GTest::gmock)
+  target_link_libraries(${test_name} PRIVATE GTest::gtest_main GTest::gmock)
+
+  if("${ICEBERG_TEST_LINKAGE}" STREQUAL "shared")
+    if (ARG_USE_BUNDLE)
+      target_link_libraries(${test_name} PRIVATE iceberg_bundle_shared)
+    else()
+      target_link_libraries(${test_name} PRIVATE iceberg_shared)
+    endif()
   else()
-    target_link_libraries(${test_name} PRIVATE iceberg_static GTest::gtest_main
-                                               GTest::gmock)
+    if (ARG_USE_BUNDLE)
+      target_link_libraries(${test_name} PRIVATE iceberg_bundle_static)
+    else()
+      target_link_libraries(${test_name} PRIVATE iceberg_static)
+    endif()
   endif()
 
   add_test(NAME ${test_name} COMMAND ${test_name})
@@ -160,8 +168,14 @@ if(ICEBERG_BUILD_BUNDLE)
 endif()
 
 if(ICEBERG_BUILD_REST)
-  add_iceberg_test(rest_catalog_test SOURCES rest_catalog_test.cc
+  add_iceberg_test(rest_catalog_test 
+                   SOURCES 
+                   rest_catalog_test.cc
                    rest_json_internal_test.cc)
-  target_link_libraries(rest_catalog_test PRIVATE iceberg_rest_static)
+  if("${ICEBERG_TEST_LINKAGE}" STREQUAL "shared")
+    target_link_libraries(rest_catalog_test PRIVATE iceberg_rest_shared)
+  else()
+    target_link_libraries(rest_catalog_test PRIVATE iceberg_rest_static)
+  endif()
   target_include_directories(rest_catalog_test PRIVATE ${cpp-httplib_SOURCE_DIR})
 endif()