Initial commit as Claude developed it

tests/CMakeLists.txt

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+# Tests CMakeLists.txt
+
+# Find Catch2 (should already be available from main CMakeLists.txt)
+find_package(Catch2 3 REQUIRED)
+
+# Include Catch2 extras for automatic test discovery
+include(Catch)
+
+# Test sources
+set(TEST_SOURCES
+    test_main.cpp
+    test_svm_classifier.cpp
+    test_data_converter.cpp
+    test_multiclass_strategy.cpp
+    test_kernel_parameters.cpp
+)
+
+# Create test executable
+add_executable(svm_classifier_tests ${TEST_SOURCES})
+
+# Link with the main library and Catch2
+target_link_libraries(svm_classifier_tests 
+    PRIVATE 
+        svm_classifier
+        Catch2::Catch2WithMain
+)
+
+# Set include directories
+target_include_directories(svm_classifier_tests
+    PRIVATE
+        ${CMAKE_SOURCE_DIR}/include
+        ${CMAKE_SOURCE_DIR}/external/libsvm
+        ${CMAKE_SOURCE_DIR}/external/liblinear
+)
+
+# Compiler flags for tests
+target_compile_features(svm_classifier_tests PRIVATE cxx_std_17)
+
+# Add compiler flags
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+    target_compile_options(svm_classifier_tests PRIVATE 
+        -Wall -Wextra -pedantic -Wno-unused-parameter
+    )
+endif()
+
+# Discover tests automatically
+catch_discover_tests(svm_classifier_tests)
+
+# Add custom targets for different test categories
+add_custom_target(test_unit
+    COMMAND ${CMAKE_CTEST_COMMAND} -L "unit" --output-on-failure
+    DEPENDS svm_classifier_tests
+    COMMENT "Running unit tests"
+)
+
+add_custom_target(test_integration
+    COMMAND ${CMAKE_CTEST_COMMAND} -L "integration" --output-on-failure
+    DEPENDS svm_classifier_tests
+    COMMENT "Running integration tests"
+)
+
+add_custom_target(test_performance
+    COMMAND ${CMAKE_CTEST_COMMAND} -L "performance" --output-on-failure
+    DEPENDS svm_classifier_tests
+    COMMENT "Running performance tests"
+)
+
+add_custom_target(test_all
+    COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
+    DEPENDS svm_classifier_tests
+    COMMENT "Running all tests"
+)
+
+# Coverage target (if gcov/lcov available)
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    find_program(GCOV_EXECUTABLE gcov)
+    find_program(LCOV_EXECUTABLE lcov)
+    find_program(GENHTML_EXECUTABLE genhtml)
+    
+    if(GCOV_EXECUTABLE AND LCOV_EXECUTABLE AND GENHTML_EXECUTABLE)
+        target_compile_options(svm_classifier_tests PRIVATE --coverage)
+        target_link_options(svm_classifier_tests PRIVATE --coverage)
+        
+        add_custom_target(coverage
+            COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
+            COMMAND ${LCOV_EXECUTABLE} --capture --directory . --output-file coverage.info
+            COMMAND ${LCOV_EXECUTABLE} --remove coverage.info '/usr/*' '*/external/*' '*/tests/*' --output-file coverage_filtered.info
+            COMMAND ${GENHTML_EXECUTABLE} coverage_filtered.info --output-directory coverage_html
+            DEPENDS svm_classifier_tests
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+            COMMENT "Generating code coverage report"
+        )
+        
+        message(STATUS "Code coverage target 'coverage' available")
+    endif()
+endif()
+
+# Add memory check with valgrind if available
+find_program(VALGRIND_EXECUTABLE valgrind)
+if(VALGRIND_EXECUTABLE)
+    add_custom_target(test_memcheck
+        COMMAND ${VALGRIND_EXECUTABLE} --tool=memcheck --leak-check=full --show-leak-kinds=all 
+                --track-origins=yes --verbose --error-exitcode=1 
+                $<TARGET_FILE:svm_classifier_tests>
+        DEPENDS svm_classifier_tests
+        COMMENT "Running tests with valgrind memory check"
+    )
+    
+    message(STATUS "Memory check target 'test_memcheck' available")
+endif()
+
+# Performance profiling with perf if available
+find_program(PERF_EXECUTABLE perf)
+if(PERF_EXECUTABLE)
+    add_custom_target(test_profile
+        COMMAND ${PERF_EXECUTABLE} record -g $<TARGET_FILE:svm_classifier_tests> [performance]
+        COMMAND ${PERF_EXECUTABLE} report
+        DEPENDS svm_classifier_tests
+        COMMENT "Running performance tests with profiling"
+    )
+    
+    message(STATUS "Performance profiling target 'test_profile' available")
+endif()
+
+# Set test properties
+set_tests_properties(svm_classifier_tests PROPERTIES
+    TIMEOUT 300  # 5 minutes timeout
+    ENVIRONMENT "TORCH_NUM_THREADS=1"  # Single-threaded for reproducible results
+)