Switched to CMake for tests

Author: ankane

.github/workflows/build.yml

@@ -15,27 +15,21 @@ jobs:
           cd pgvector
           make
           sudo make install
-      - run: |
-          git clone --branch 7.10.0 https://github.com/jtv/libpqxx.git
-          cd libpqxx
-          CXXFLAGS=-std=c++17 ./configure
-          make
-          sudo make install
 
-      - run: g++ -std=c++17 -Wall -Wextra -Werror -o test/main test/main.cpp test/pqxx_test.cpp -lpqxx -lpq
-      - run: test/main
+      - run: cmake -S . -B build -DBUILD_TESTING=ON -DCMAKE_CXX_STANDARD=17
+      - run: cmake --build build
+      - run: build/test
 
-      - run: g++ -std=c++20 -Wall -Wextra -Werror -o test/main test/main.cpp test/pqxx_test.cpp -lpqxx -lpq
-      - run: test/main
+      - run: cmake -S . -B build -DBUILD_TESTING=ON -DCMAKE_CXX_STANDARD=20
+      - run: cmake --build build
+      - run: build/test
 
-      - run: g++ -std=c++23 -Wall -Wextra -Werror -o test/main test/main.cpp test/pqxx_test.cpp -lpqxx -lpq
-      - run: test/main
+      - run: cmake -S . -B build -DBUILD_TESTING=ON -DCMAKE_CXX_STANDARD=23
+      - run: cmake --build build
+      - run: build/test
 
       - run: |
           sudo apt-get install valgrind
-          valgrind --leak-check=yes test/main
+          valgrind --leak-check=yes build/test
 
-      # test install
-      - run: cmake -S . -B build
-      - run: cmake --build build
       - run: sudo cmake --install build

.gitignore

@@ -1,2 +1 @@
 build
-/test/main

CMakeLists.txt

@@ -19,3 +19,24 @@ install(
     DIRECTORY "${PROJECT_SOURCE_DIR}/include/"
     DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
 )
+
+if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
+    option(BUILD_TESTING "" OFF)
+
+    if(BUILD_TESTING)
+        include(FetchContent)
+
+        # for libpqxx
+        set(CMAKE_CXX_FLAGS "-Wno-unknown-attributes")
+        set(SKIP_BUILD_TEST ON)
+
+        FetchContent_Declare(libpqxx GIT_REPOSITORY https://github.com/jtv/libpqxx.git GIT_TAG 7.10.0)
+        FetchContent_MakeAvailable(libpqxx)
+
+        add_executable(test test/halfvec_test.cpp test/main.cpp test/pqxx_test.cpp test/sparsevec_test.cpp test/vector_test.cpp)
+        target_link_libraries(test PRIVATE libpqxx::pqxx pgvector::pgvector)
+        if(NOT MSVC)
+            target_compile_options(test PRIVATE -Wall -Wextra -Wpedantic -Werror)
+        endif()
+    endif()
+endif()

README.md

@@ -162,8 +162,9 @@ To get started with development:
 git clone https://github.com/pgvector/pgvector-cpp.git
 cd pgvector-cpp
 createdb pgvector_cpp_test
-g++ -std=c++17 -Wall -Wextra -Wno-unknown-attributes -Werror -o test/main test/main.cpp test/vector_test.cpp test/halfvec_test.cpp test/sparsevec_test.cpp test/pqxx_test.cpp -lpqxx -lpq
-test/main
+cmake -S . -B build -DBUILD_TESTING=ON
+cmake --build build
+build/test
 ```
 
 To run an example: