tests.mk

# Testing Framework - Diagnostic tests for tracer and server
# Used to generate test data for flame graph analysis

# Test configuration
TESTS_DIR = tests
TESTS_OUTPUT_DIR = $(TARGET_DIR)/test_output
CXX_TEST_FLAGS := -std=c++17 \
					-O0 \
					-g \
					-fno-inline \
					-fno-omit-frame-pointer \
					-fno-optimize-sibling-calls \
					-pthread

# Create test output directory
.PHONY: test-setup
test-setup:
	@mkdir -p $(TESTS_OUTPUT_DIR)

# ============= RUST TEST TARGETS =============

# Build all Rust test binaries
.PHONY: build-rust-tests
build-rust-tests: test-setup
	@echo "🦀 Building Rust test programs..."
	@for test_file in $(TESTS_DIR)/*_test.rs; do \
		if [ -f "$$test_file" ]; then \
			test_name=$$(basename "$$test_file" .rs); \
			echo "📦 Building $$test_name..."; \
			rustc "$$test_file" -o "$(TESTS_OUTPUT_DIR)/$$test_name" || exit 1; \
		fi \
	done

# Build specific Rust test
$(TESTS_OUTPUT_DIR)/%_test: $(TESTS_DIR)/%_test.rs | test-setup
	@echo "📦 Building $*_test..."
	@rustc $< -o $@

# ============= C++ TEST TARGETS =============

# Build all C++ test binaries  
.PHONY: build-cpp-tests
build-cpp-tests: test-setup
	@echo "⚙️ Building C++ test programs..."
	@for test_file in $(TESTS_DIR)/*_test.cpp; do \
		if [ -f "$$test_file" ]; then \
			test_name=$$(basename "$$test_file" .cpp); \
			echo "📦 Building $$test_name..."; \
			g++ $(CXX_TEST_FLAGS) "$$test_file" -o "$(TESTS_OUTPUT_DIR)/$$test_name" || exit 1; \
		fi \
	done

# Build specific C++ test
$(TESTS_OUTPUT_DIR)/%_test: $(TESTS_DIR)/%_test.cpp | test-setup
	@echo "📦 Building $*_test..."
	@g++ $(CXX_TEST_FLAGS) $< -o $@

# ============= TEST EXECUTION =============

# Run specific test with tracer
.PHONY: run-test-%
run-test-%: $(TESTS_OUTPUT_DIR)/%_test tracer-lib
	@echo "🧪 Running $*_test with memory tracer..."
	@if [ -f "$(TESTS_DIR)/$*_test.in" ]; then \
		echo "📥 Using input file: $(TESTS_DIR)/$*_test.in"; \
		echo "Command: LD_PRELOAD=$(TRACER_LIB) $(TESTS_OUTPUT_DIR)/$*_test < $(TESTS_DIR)/$*_test.in"; \
		LD_PRELOAD=$(TRACER_LIB) $(TESTS_OUTPUT_DIR)/$*_test < $(TESTS_DIR)/$*_test.in; \
	else \
		echo "Command: LD_PRELOAD=$(TRACER_LIB) $(TESTS_OUTPUT_DIR)/$*_test"; \
		LD_PRELOAD=$(TRACER_LIB) $(TESTS_OUTPUT_DIR)/$*_test; \
	fi

# ============= INTERACTIVE TEST SELECTION =============

.PHONY: test-select
test-select: build-rust-tests build-cpp-tests tracer-lib
	@echo "🎯 Available test programs:"
	@echo "Select a test to run with tracer:"
	@tests_list=$$(find $(TESTS_OUTPUT_DIR) -name "*_test" -executable -type f | sort); \
	if [ -z "$$tests_list" ]; then \
		echo "❌ No test programs found. Create test files in $(TESTS_DIR)/ with *_test.rs or *_test.cpp suffix"; \
		exit 1; \
	fi; \
	select test_prog in $$tests_list "Exit"; do \
		case $$test_prog in \
			"Exit") \
				echo "👋 Exiting test selection"; \
				break; \
				;; \
			"") \
				echo "❌ Invalid selection. Please try again."; \
				;; \
			*) \
				echo "🧪 Running $$test_prog with memory tracer..."; \
				test_name=$$(basename "$$test_prog" _test); \
				input_file="$(TESTS_DIR)/$${test_name}_test.in"; \
				if [ -f "$$input_file" ]; then \
					echo "📥 Using input file: $$input_file"; \
					echo "Command: LD_PRELOAD=$(TRACER_LIB) $$test_prog < $$input_file"; \
					LD_PRELOAD=$(TRACER_LIB) "$$test_prog" < "$$input_file"; \
				else \
					echo "Command: LD_PRELOAD=$(TRACER_LIB) $$test_prog"; \
					LD_PRELOAD=$(TRACER_LIB) "$$test_prog"; \
				fi; \
				break; \
				;; \
		esac; \
	done

# ============= UTILITY TARGETS =============

# List available tests
.PHONY: list-tests
list-tests:
	@echo "📋 Available test source files:"
	@if [ -d "$(TESTS_DIR)" ]; then \
		find $(TESTS_DIR) -name "*_test.rs" -o -name "*_test.cpp" | sort || echo "   No test files found"; \
	else \
		echo "   Tests directory $(TESTS_DIR) does not exist"; \
	fi
	@echo ""
	@echo "📋 Built test binaries:"
	@if [ -d "$(TESTS_OUTPUT_DIR)" ]; then \
		find $(TESTS_OUTPUT_DIR) -name "*_test" -executable -type f | sort || echo "   No test binaries found"; \
	else \
		echo "   Test output directory $(TESTS_OUTPUT_DIR) does not exist"; \
	fi

# Clean test artifacts
.PHONY: clean-tests
clean-tests:
	@echo "🧹 Cleaning test artifacts..."
	@rm -rf $(TESTS_OUTPUT_DIR)

# Help for testing
.PHONY: test-help
test-help:
	@echo "🧪 Testing Framework Help"
	@echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
	@echo "📁 Test file naming convention:"
	@echo "   Rust tests: $(TESTS_DIR)/<name>_test.rs"
	@echo "   C++ tests:  $(TESTS_DIR)/<name>_test.cpp"
	@echo "   Input files: $(TESTS_DIR)/<name>_test.in (optional, for interactive tests)"
	@echo ""
	@echo "🎯 Build targets:"
	@echo "   build-rust-tests  - Build all Rust test programs"
	@echo "   build-cpp-tests   - Build all C++ test programs"
	@echo ""
	@echo "🚀 Run targets:"
	@echo "   run-test-<name>   - Run specific test with tracer"
	@echo "   test-select       - Interactive test selection menu"
	@echo ""
	@echo "📋 Utility targets:"
	@echo "   list-tests        - List available test files and binaries"
	@echo "   clean-tests       - Clean test artifacts"
	@echo ""
	@echo "💡 Example usage:"
	@echo "   make run-test-malloc       # Run malloc_test program"
	@echo "   make run-test-interactive  # Run interactive_test with input file"
	@echo "   make test-select           # Interactive selection"
	@echo ""
	@echo "💡 Features:"
	@echo "   - Automatic input redirection for .in files"
	@echo "   - Interactive test selection menu"
	@echo "   - Memory tracing with $(TRACER_LIB)"