test(runtime): add initial set of runtime tests

bindings/cpp/CMakeLists.txt

@@ -81,7 +81,7 @@ else()
     set(SVS_LEANVEC_HEADER "svs/extensions/vamana/leanvec.h")
 endif()
 
-if ((SVS_RUNTIME_ENABLE_LVQ_LEANVEC))
+if (SVS_RUNTIME_ENABLE_LVQ_LEANVEC)
     if(RUNTIME_BINDINGS_PRIVATE_SOURCE_BUILD)
         message(STATUS "Building directly from private sources")
         target_link_libraries(${TARGET_NAME} PRIVATE
@@ -117,6 +117,7 @@ if ((SVS_RUNTIME_ENABLE_LVQ_LEANVEC))
         FetchContent_Declare(
             svs
             URL ${SVS_URL}
+DOWNLOAD_EXTRACT_TIMESTAMP TRUE
         )
         FetchContent_MakeAvailable(svs)
         list(APPEND CMAKE_PREFIX_PATH "${svs_SOURCE_DIR}")
@@ -192,3 +193,7 @@ install(FILES
     DESTINATION "${SVS_RUNTIME_CONFIG_INSTALL_DIR}"
 )
 
+# Build tests if requested
+if(SVS_BUILD_RUNTIME_TESTS)
+    add_subdirectory(tests)
+endif()

bindings/cpp/src/dynamic_vamana_index_impl.h

@@ -450,12 +450,19 @@ class DynamicVamanaIndexImpl {
         auto threadpool = default_threadpool();
 
         svs::DistanceDispatcher distance_dispatcher(to_svs_distance(metric));
+
+        // Create allocator with custom block size for data loading
+        auto parameters =
+            svs::data::BlockingParameters{.blocksize_bytes = svs::lib::PowerOfTwo(26)};
+        auto allocator = svs::data::Blocked<svs::lib::Allocator<std::byte>>{parameters};
+
         return distance_dispatcher([&](auto&& distance) {
             return new svs::DynamicVamana(
                 svs::DynamicVamana::assemble<float, storage::StorageType_t<Tag>>(
                     stream,
                     std::forward<decltype(distance)>(distance),
-                    std::move(threadpool)
+                    std::move(threadpool),
+                    allocator
                 )
             );
         });

bindings/cpp/tests/CMakeLists.txt

@@ -0,0 +1,84 @@
+# Copyright 2025 Intel Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+include(FetchContent)
+
+# Configure Catch2 for unit testing
+# Do wide printing for the console logger for Catch2
+# Reference: https://github.com/catchorg/Catch2/issues/1348
+set(CATCH_CONFIG_CONSOLE_WIDTH "100" CACHE STRING "" FORCE)
+set(CATCH_BUILD_TESTING OFF CACHE BOOL "" FORCE)
+set(CATCH_CONFIG_ENABLE_BENCHMARKING OFF CACHE BOOL "" FORCE)
+set(CATCH_CONFIG_FAST_COMPILE OFF CACHE BOOL "" FORCE)
+
+# If we don't configure the prefix version of the Catch2 macros, then we get compiler
+# errors about repeated definitions of the macro `INFO`
+set(CATCH_CONFIG_PREFIX_ALL ON CACHE BOOL "" FORCE)
+
+# Download the Catch2 unit testing suite.
+# Reference: https://github.com/catchorg/Catch2/blob/devel/docs/cmake-integration.md
+set(PRESET_CMAKE_CXX_STANDARD ${CMAKE_CXX_STANDARD})
+set(CMAKE_CXX_STANDARD 20)
+FetchContent_Declare(
+    Catch2
+    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+    GIT_TAG v3.4.0
+)
+
+FetchContent_MakeAvailable(Catch2)
+set(CMAKE_CXX_STANDARD ${PRESET_CMAKE_CXX_STANDARD})
+
+# Add test executable
+set(TEST_SOURCES
+    ${CMAKE_CURRENT_LIST_DIR}/runtime_test.cpp
+)
+
+add_executable(svs_runtime_test ${TEST_SOURCES})
+
+# Link with the runtime library
+target_link_libraries(svs_runtime_test PRIVATE
+    svs_runtime
+    Catch2::Catch2WithMain
+)
+
+# Set C++ standard
+target_compile_features(svs_runtime_test PRIVATE cxx_std_20)
+set_target_properties(svs_runtime_test PROPERTIES
+    CXX_STANDARD 20
+    CXX_STANDARD_REQUIRED ON
+    CXX_EXTENSIONS OFF
+)
+
+# Include directories for test utilities
+target_include_directories(svs_runtime_test PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR}/../include
+)
+
+# Enable testing with CTest
+include(CTest)
+enable_testing()
+
+# Add the test to CTest
+add_test(NAME svs_runtime_test COMMAND svs_runtime_test)
+
+# Set test properties
+set_tests_properties(svs_runtime_test PROPERTIES
+    LABELS "runtime_bindings"
+)
+
+# Optional: Add Catch2's automatic test discovery
+list(APPEND CMAKE_MODULE_PATH ${catch2_SOURCE_DIR}/extras)
+include(Catch)
+catch_discover_tests(svs_runtime_test)