chore: add verbose decoded messages

README.md

@@ -35,7 +35,7 @@ All commands assume you are in the project root directory.
 
 ```bash
 python3 main.py \
-  --message "This is a 40-character test message...." \
+  --message "Lorem ipsum dolor sit amet. consectetuer" \
   --trials 1 \
   --mode local
 ```
@@ -44,7 +44,7 @@ python3 main.py \
 
 ```bash
 python3 main.py \
-  --message "This is a 40-character test message...." \
+  --message "Lorem ipsum dolor sit amet. consectetuer" \
   --trials 500 \
   --mode local
 ```
@@ -55,7 +55,7 @@ This will write `input.txt` and `output.txt` in your working directory.
 
 ```bash
 python3 main.py \
-  --message "This is a 40-character test message...." \
+  --message "Lorem ipsum dolor sit amet. consectetuer" \
   --trials 1 \
   --mode server \
   --input_file input.txt \

main.py

@@ -21,14 +21,12 @@ def transmit(msg, C):
     '''
     return encoder.encode_message(msg, C)
 
-
 def receive_local(c):
     '''
     Sends the samples through the local channel simulation.
     '''
     return channel.channel(c)
 
-
 def receive_server(c, hostname, port):
     '''
     Sends the samples to the remote server via client.py. If INPUT_FILE and/or
@@ -72,7 +70,6 @@ def receive_server(c, hostname, port):
             os.remove(out_name)
     return Y
 
-
 def receive(c, mode, hostname, port):
     '''
     Wrapper to choose local or server channel.
@@ -82,18 +79,23 @@ def receive(c, mode, hostname, port):
     elif mode == 'server':
         return receive_server(c, hostname, port)
     else:
-        raise ValueError('Mode must be \'local\' or \'server\'')
-
+        raise ValueError("Mode must be 'local' or 'server'")
 
 def test_performance(msg, num_trials, mode, hostname, port):
     '''
-    Runs num_trials transmissions of msg through the specified channel and reports accuracy.
+    Runs num_trials transmissions of msg through the specified channel and reports
+    per-trial decoded messages and error counts, plus overall accuracy.
     '''
     if len(msg) != 40:
         raise ValueError('Message must be exactly 40 characters.')
     # Build codebook for 64 symbols, 40 blocks
     C = encoder.make_codebook(r=5, num_blocks=40)
+
     successes = 0
+
+    print(f"Original message: {msg}")
+    print(f"Running {num_trials} trials over '{mode}' channel...\n")
+
     for i in range(num_trials):
         # Transmit
         c = transmit(msg, C)
@@ -101,16 +103,19 @@ def test_performance(msg, num_trials, mode, hostname, port):
         Y = receive(c, mode, hostname, port)
         # Decode
         est = decoder.decode_blocks(Y, C)
-        if est == msg:
+        # Count character errors
+        errors = sum(1 for a, b in zip(est, msg) if a != b)
+        # Tally success if no errors
+        if errors == 0:
             successes += 1
-    pct = successes / num_trials * 100
-    # Display results
-    print(f'Message: {msg}')
-    print(f'Trials: {num_trials}')
-    print(f'Mode: {mode}')
-    print(f'Correct decodings: {successes}')
-    print(f'Accuracy: {pct:.2f}%')
+        # Print trial result
+        print(f"Trial {i+1:3d}: Decoded: '{est}' | Errors: {errors}")
 
+    pct = successes / num_trials * 100
+    print("\n=== Summary ===")
+    print(f"Total trials:       {num_trials}")
+    print(f"Perfect decodings:  {successes}")
+    print(f"Overall accuracy:   {pct:.2f}%")
 
 def parse_args():
     parser = argparse.ArgumentParser(description='Test communication system performance.')
@@ -132,7 +137,6 @@ def parse_args():
 
 if __name__ == '__main__':
     args = parse_args()
-    # Set global paths
     INPUT_FILE = args.input_file
     OUTPUT_FILE = args.output_file
     test_performance(args.message, args.trials, args.mode, args.hostname, args.port)