From 695adc1f6bfb0a0eeef4dd6c035475ea2826871f Mon Sep 17 00:00:00 2001 From: Paul Buetow Date: Sat, 21 Jun 2025 20:10:38 +0300 Subject: Complete GUI decoupling implementation for headless testing MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Implement MessageHandler pattern to decouple message sending from visualization - Add HeadlessLoader to load simulations without GUI components - Create HeadlessProtocolRunner for clean protocol test execution - Update VSInternalProcess to use MessageHandler for message routing - Add null checks in VSSimulator for headless mode compatibility - Update VSSimulatorVisualization paint() to check for headless mode - Remove obsolete test scripts and documentation - Update test-protocols.sh to remove GUI error suppression options - Consolidate testing documentation in docs/testing-guide.md All protocol tests now run cleanly in headless mode without GUI errors, enabling proper CI/CD integration and automated testing. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude --- docs/headless-testing-implementation.md | 129 -------------------------------- 1 file changed, 129 deletions(-) delete mode 100644 docs/headless-testing-implementation.md (limited to 'docs/headless-testing-implementation.md') diff --git a/docs/headless-testing-implementation.md b/docs/headless-testing-implementation.md deleted file mode 100644 index 305fd24..0000000 --- a/docs/headless-testing-implementation.md +++ /dev/null @@ -1,129 +0,0 @@ -# Headless Testing Framework - Implementation Summary - -## Overview - -I have successfully implemented a comprehensive headless testing framework for DS-Sim that enables automated protocol verification through log analysis without requiring GUI interaction. - -## Implemented Components - -### 1. Core Framework Classes - -- **HeadlessSimulationRunner** - Main runner that loads and executes simulations -- **LogCapture** - Custom VSLogging implementation that intercepts all log messages -- **ProtocolVerifier** - Flexible rule-based verification system -- **LogEntry** - Immutable data class for captured logs -- **SimulationResult** - Container for results with utility methods -- **VerificationResult** - Aggregated verification results -- **Supporting classes**: LogType, SimulationMetrics, VerificationRule, RuleResult, LogListener - -### 2. Key Features - -- **No GUI Required**: Simulations run completely headless -- **Log Capture**: All simulation logs are captured for analysis -- **Pattern Matching**: Support for regex and literal string matching -- **Sequence Verification**: Can verify ordered sequences of events -- **Count Assertions**: Exact, at-least, at-most, and no-log assertions -- **Process-specific Rules**: Can verify logs from specific processes -- **Real-time Monitoring**: Support for log listeners -- **Thread-safe**: Designed for concurrent access - -### 3. Usage Example - -```java -HeadlessSimulationRunner runner = new HeadlessSimulationRunner(); - -// Run simulation -SimulationResult result = runner.runSimulation( - "saved-simulations/ping-pong.dat", - 3000 // 3 seconds -); - -// Verify behavior -ProtocolVerifier verifier = new ProtocolVerifier() - .expectLogExactly("Ping-Pong.*activated", 2) - .expectLog("Message sent") - .expectLog("Message received") - .expectSequence("fromClient=true", "fromServer=true") - .expectNoLog("ERROR"); - -VerificationResult verification = verifier.verify(result.getAllLogs()); -assertTrue(verification.passed()); -``` - -## Test Results with Ping-Pong Simulation - -The framework was successfully tested with the ping-pong simulation: - -### Captured Logs -- Protocol activations: ✓ -- Message exchanges: ✓ -- Counter increments: ✓ -- No errors: ✓ - -### Verification Results -All 13 verification rules passed: -- Ping-Pong protocol activated exactly 2 times -- Client and server both activated -- Messages sent and received -- Proper alternation between client and server messages -- Counter values incremented correctly -- No errors or exceptions - -### Performance -- Captured 18 log entries in 3 seconds of simulation time -- 6 messages sent, 5 received (balanced) -- 3 from client, 3 from server (balanced) - -## Benefits - -1. **Automated Testing**: No manual GUI interaction required -2. **CI/CD Ready**: Can be integrated into build pipelines -3. **Reproducible**: Same simulation produces same results -4. **Fast Execution**: No GUI overhead -5. **Comprehensive Verification**: Complex protocol behaviors can be verified -6. **Detailed Diagnostics**: Failed tests show exactly what went wrong - -## Implementation Challenges Overcome - -1. **Reflection Usage**: Used reflection to access private fields in VS classes -2. **Method Signatures**: Discovered correct runTasks signature (3 parameters) -3. **Field Names**: Found correct field name "time" instead of "globalTime" -4. **Log Interception**: Successfully extended VSLogging to capture all logs -5. **Thread Safety**: Implemented concurrent collections for thread-safe operation - -## Future Enhancements - -1. **Performance Metrics**: Add timing and throughput measurements -2. **Visual Timeline**: Generate timeline visualizations from logs -3. **Comparison Mode**: Compare two simulation runs -4. **Golden File Testing**: Compare against known-good outputs -5. **Custom Assertions**: Allow user-defined verification rules -6. **Report Generation**: HTML/PDF test reports - -## Files Created - -### Framework Core -- `/src/main/java/testing/HeadlessSimulationRunner.java` -- `/src/main/java/testing/LogCapture.java` -- `/src/main/java/testing/ProtocolVerifier.java` -- `/src/main/java/testing/*.java` (9 supporting classes) - -### Examples and Tests -- `/src/main/java/testing/examples/TestPingPongSimulation.java` -- `/src/main/java/testing/examples/TestPingPongVerified.java` -- `/src/test/java/testing/protocols/PingPongProtocolTest.java` - -### Documentation -- `/docs/headless-testing-framework-proposal.md` -- `/docs/headless-testing-implementation.md` - -## Conclusion - -The headless testing framework is fully functional and ready for use. It successfully: -- Loads saved simulations without GUI -- Runs simulations for specified durations -- Captures all log messages -- Provides flexible verification capabilities -- Enables automated protocol testing - -The framework has been verified with the ping-pong protocol and can be extended to test any DS-Sim protocol. \ No newline at end of file -- cgit v1.2.3