1 files changed, 123 insertions, 0 deletions
diff --git a/src/main/java/testing/HeadlessProtocolRunner.java b/src/main/java/testing/HeadlessProtocolRunner.java
new file mode 100644
index 0000000..69d398f
--- /dev/null
+++ b/src/main/java/testing/HeadlessProtocolRunner.java
@@ -0,0 +1,123 @@
+package testing;
+
+import java.io.File;
+import java.util.*;
+
+/**
+ * Runs protocol tests in headless mode without GUI errors.
+ * This replaces the old test runners that had GUI dependency issues.
+ */
+public class HeadlessProtocolRunner {
+    
+    public static void main(String[] args) throws Exception {
+        System.out.println("=== DS-Sim Headless Protocol Test Runner ===\n");
+        
+        // Check for verbose mode
+        boolean verbose = Boolean.getBoolean("ds.sim.verbose");
+        
+        if (args.length > 0) {
+            // Run specific simulation
+            runSingleSimulation(args[0], verbose);
+        } else {
+            // Run all simulations
+            runAllSimulations(verbose);
+        }
+    }
+    
+    private static void runSingleSimulation(String simFile, boolean verbose) throws Exception {
+        System.out.println("Running simulation: " + simFile);
+        System.out.println("-".repeat(50));
+        
+        HeadlessSimulationRunner runner = new HeadlessSimulationRunner();
+        runner.setPrintLogs(verbose);
+        
+        try {
+            long startTime = System.currentTimeMillis();
+            SimulationResult result = runner.runSimulation(simFile, 5000); // 5 second timeout
+            long duration = System.currentTimeMillis() - startTime;
+            
+            System.out.println("✓ Completed in " + duration + "ms");
+            System.out.println("  Processes: " + result.getMetrics().getNumProcesses());
+            System.out.println("  Log entries: " + result.getMetrics().getTotalLogCount());
+            System.out.println("  Messages per process: " + result.getMetrics().getProcessMessageCounts());
+            
+            if (verbose) {
+                System.out.println("\n--- Log Output ---");
+                for (LogEntry log : result.getAllLogs()) {
+                    System.out.println(log.toString());
+                }
+            }
+            
+            System.out.println();
+        } catch (Exception e) {
+            System.err.println("✗ FAILED: " + e.getMessage());
+            if (verbose) {
+                e.printStackTrace();
+            }
+        } finally {
+            runner.shutdown();
+        }
+    }
+    
+    private static void runAllSimulations(boolean verbose) throws Exception {
+        File simDir = new File("saved-simulations");
+        File[] simFiles = simDir.listFiles((dir, name) -> name.endsWith(".dat"));
+        
+        if (simFiles == null || simFiles.length == 0) {
+            System.out.println("No simulation files found in saved-simulations/");
+            return;
+        }
+        
+        Arrays.sort(simFiles);
+        
+        System.out.println("Found " + simFiles.length + " simulations to test\n");
+        
+        int passed = 0;
+        int failed = 0;
+        List<String> failures = new ArrayList<>();
+        
+        for (File simFile : simFiles) {
+            System.out.println("Testing: " + simFile.getName());
+            System.out.println("-".repeat(50));
+            
+            HeadlessSimulationRunner runner = new HeadlessSimulationRunner();
+            runner.setPrintLogs(false); // Don't print logs when running all tests
+            
+            try {
+                long startTime = System.currentTimeMillis();
+                SimulationResult result = runner.runSimulation(simFile.getPath(), 3000); // 3 second timeout
+                long duration = System.currentTimeMillis() - startTime;
+                
+                System.out.println("✓ PASSED in " + duration + "ms");
+                System.out.println("  Logs: " + result.getMetrics().getTotalLogCount());
+                passed++;
+                
+            } catch (Exception e) {
+                System.err.println("✗ FAILED: " + e.getMessage());
+                failed++;
+                failures.add(simFile.getName() + " - " + e.getMessage());
+            } finally {
+                runner.shutdown();
+            }
+            
+            System.out.println();
+        }
+        
+        // Summary
+        System.out.println("=".repeat(60));
+        System.out.println("Test Summary:");
+        System.out.println("  Total: " + simFiles.length);
+        System.out.println("  Passed: " + passed);
+        System.out.println("  Failed: " + failed);
+        
+        if (!failures.isEmpty()) {
+            System.out.println("\nFailures:");
+            for (String failure : failures) {
+                System.out.println("  - " + failure);
+            }
+        }
+        
+        System.out.println();
+        System.exit(failed > 0 ? 1 : 0);
+    }
+}
+\ No newline at end of file