feat(lib): initialize libnextcloud C++17 library scaffolding (#25)

shared/tests/CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.15)
+
+# Find Google Test
+find_package(GTest REQUIRED)
+
+# Include Google Test helpers
+include(GoogleTest)
+
+# Test executable
+add_executable(smoke_test
+    smoke_test.cpp
+)
+
+# Link against the library and GTest
+target_link_libraries(smoke_test
+    PRIVATE
+        nextcloud
+        GTest::GTest
+        GTest::Main
+)
+
+# Discover and register tests
+gtest_discover_tests(smoke_test)
+
+# Add custom target to run tests
+add_custom_target(run_tests
+    COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
+    DEPENDS smoke_test
+    COMMENT "Running tests..."
+)