refactor: consolidate _no_path file send variants

Add bool send_path parameter to file_send_single_calls and
file_send_sendfile, remove the _no_path variants. Callers in
client_send.c pass true (send path) or false (skip path) based
on whether an incremental check already transmitted the path.

test.py

@@ -50,7 +50,7 @@ CLIENT_CMD_PREFIX = [
 
 BASE_CLIENT_FLAGS = ["--save-to-disk"]
 
-TEST_CASES = [
+TEST_CASES_FULL = [
     {"name": "Standard", "flags": []},
     {"name": "Posix Args (no flags)", "flags": [], "posix": True},
     {"name": "Standard (no metadata)", "flags": [], "use_metadata": False},
@@ -68,7 +68,14 @@ TEST_CASES = [
     {"name": "Sendfile + Multithreading (-f -m)", "flags": ["-f", "-m"]},
 ]
 
-SSH_CASES = [
+TEST_CASES_LIGHT = [
+    {"name": "Standard", "flags": []},
+    {"name": "Compression (-c)", "flags": ["-c"]},
+    {"name": "Chunk Serialization (-s)", "flags": ["-s"]},
+    {"name": "Multithreading + Compression + Chunk Serialization (-m -c -s)", "flags": ["-m", "-c", "-s"]},
+]
+
+SSH_CASES_FULL = [
     {"name": "SSH (localhost)", "flags": []},
     {"name": "SSH Multithreading (-m)", "flags": ["-m"]},
     {"name": "SSH Compression (-c)", "flags": ["-c"]},
@@ -79,11 +86,17 @@ SSH_CASES = [
     {"name": "SSH Multithreading + Compression + Chunk Serialization (-m -c -s)", "flags": ["-m", "-c", "-s"]},
 ]
 
-RSYNC_CASES = [
+SSH_CASES_LIGHT = [
+    {"name": "SSH (localhost)", "flags": []},
+]
+
+RSYNC_CASES_FULL = [
     {"name": "rsync (archive)", "args": ["-aH"]},
     {"name": "rsync (archive + compress)", "args": ["-aHz"]},
 ]
 
+RSYNC_CASES_LIGHT = []
+
 
 def netem_apply(profile):
     params = NETWORK_PROFILES[profile]
@@ -119,12 +132,12 @@ def find_free_port():
         return s.getsockname()[1]
 
 
-def generate_test_files(source_dir):
+def generate_test_files(source_dir, full=False):
     if os.path.exists(source_dir):
         shutil.rmtree(source_dir)
     os.makedirs(source_dir)
 
-    target_total = 25 * 1024 * 1024
+    target_total = 25 * 1024 * 1024 if full else 0
     written = 0
 
     files = {
@@ -141,6 +154,7 @@ def generate_test_files(source_dir):
             f.write(content)
         written += len(content)
 
+    if full:
         os.makedirs(os.path.join(source_dir, "bulk"), exist_ok=True)
         i = 0
         while written < target_total:
@@ -254,19 +268,24 @@ def print_profile_header(profile_name):
         print("  No limits applied")
 
 
-def run_profile(profile_name, source_dir, dest_dir):
+def run_profile(profile_name, source_dir, dest_dir, *, full=False, test_cases=None, ssh_cases=None, rsync_cases=None):
     print_profile_header(profile_name)
     is_limited = profile_name != "Unlimited"
     client_prefix = CLIENT_CMD_PREFIX if is_limited else []
 
+    if test_cases is None:
+        test_cases = TEST_CASES_FULL if full else TEST_CASES_LIGHT
+    if ssh_cases is None:
+        ssh_cases = SSH_CASES_FULL if full else SSH_CASES_LIGHT
+    if rsync_cases is None:
+        rsync_cases = RSYNC_CASES_FULL if full else RSYNC_CASES_LIGHT
+
     try:
-        if is_limited:
+        if is_limited and full:
             netem_apply(profile_name)
-        else:
-            netem_reset()
 
         results = []
-        for case in TEST_CASES:
+        for case in test_cases:
             flags = BASE_CLIENT_FLAGS + (["-M"] if case.get("use_metadata", True) else []) + case["flags"]
             if case.get("posix"):
                 cmd = client_prefix + BASE_CLIENT_CMD + [source_dir, dest_dir] + flags
@@ -281,7 +300,7 @@ def run_profile(profile_name, source_dir, dest_dir):
                 results.append({"name": case["name"], "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)})
 
         if SSH_AVAILABLE:
-            for case in SSH_CASES:
+            for case in ssh_cases:
                 flags = BASE_CLIENT_FLAGS + (["-M"] if case.get("use_metadata", True) else []) + case["flags"]
                 ssh_dest = f"localhost:{dest_dir}_ssh"
                 cmd = BASE_CLIENT_CMD + [source_dir, ssh_dest] + flags
@@ -293,9 +312,10 @@ def run_profile(profile_name, source_dir, dest_dir):
                 except Exception as e:
                     results.append({"name": case["name"], "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)})
     
+        if rsync_cases:
             port, conf, daemon = start_rsync_daemon(source_dir)
             try:
-            for case in RSYNC_CASES:
+                for case in rsync_cases:
                     cmd = client_prefix + ["rsync"] + case["args"] + [f"rsync://localhost:{port}/source/", f"{dest_dir}/"]
                     print(f"\n  --- {case['name']} ---\n    Running: {' '.join(cmd)}")
                     try:
@@ -324,6 +344,7 @@ def run_profile(profile_name, source_dir, dest_dir):
                 except Exception:
                     pass
 
+        if full:
             # Feature-specific tests for rsync-compatible flags
             print("\n  " + "─" * 56 + "\n  Feature Tests\n  " + "─" * 56)
 
@@ -383,6 +404,17 @@ def run_profile(profile_name, source_dir, dest_dir):
             except Exception as e:
                 results.append({"name": "Progress (--progress)", "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)})
 
+            # Bandwidth limit (--bwlimit 10240 = 10 MB/s)
+            feature_flags = BASE_CLIENT_FLAGS + ["--bwlimit", "10240"]
+            cmd = client_prefix + BASE_CLIENT_CMD + ["--source-dir", source_dir, "--dest-dir", dest_dir] + feature_flags
+            print(f"\n  --- Bandwidth limit (--bwlimit 10240 KB/s) ---\n    Running: {' '.join(cmd)}")
+            try:
+                r = run_single_test(cmd, "Bandwidth limit (--bwlimit 10240)", source_dir, dest_dir)
+                r["suite"] = profile_name
+                results.append(r)
+            except Exception as e:
+                results.append({"name": "Bandwidth limit (--bwlimit 10240)", "suite": profile_name, "status": "Error", "time": "N/A", "error": str(e)})
+
             # Incremental sync (--incremental) — first sync, then second sync should skip all
             print(f"\n  --- Incremental (--incremental) ---")
             try:
@@ -562,19 +594,26 @@ def check_ssh_localhost():
     build_dir = os.path.abspath("build")
     server_path = os.path.join(build_dir, "server")
 
+    try:
         r = subprocess.run(["ssh", "-o", "BatchMode=yes", "-o", "ConnectTimeout=5",
                             "localhost", "which", "fastsync-server"],
                            capture_output=True, timeout=10)
+    except FileNotFoundError:
+        SSH_AVAILABLE = False
+        return
     if r.returncode == 0:
         SSH_AVAILABLE = True
         return
 
     SSH_AVAILABLE = False
     # Try each PATH dir: create symlink, then verify with which
+    try:
         r = subprocess.run(
             ["ssh", "-o", "BatchMode=yes", "localhost",
              'echo "$PATH"'],
             capture_output=True, timeout=10, text=True)
+    except FileNotFoundError:
+        return
     if r.returncode != 0:
         return
     for d in r.stdout.strip().split(":"):
@@ -655,9 +694,10 @@ def main():
     parser.add_argument("--keep-data", action="store_true")
     parser.add_argument("--unlimited", action="store_true")
     parser.add_argument("--wan", action="store_true")
+    parser.add_argument("--full", action="store_true", help="Run full test suite with network shaping, SSH, rsync benchmarks")
     args = parser.parse_args()
 
-    total_bytes = generate_test_files(args.source_dir)
+    total_bytes = generate_test_files(args.source_dir, full=args.full)
     if os.path.exists(args.dest_dir):
         shutil.rmtree(args.dest_dir)
     os.makedirs(args.dest_dir, exist_ok=True)
@@ -668,12 +708,12 @@ def main():
     elif args.wan:
         profiles.append("WAN")
     else:
-        profiles.append("LAN")
+        profiles.append("LAN" if args.full else "Unlimited")
 
     try:
         all_results = []
         for p in profiles:
-            all_results.extend(run_profile(p, args.source_dir, args.dest_dir))
+            all_results.extend(run_profile(p, args.source_dir, args.dest_dir, full=args.full))
 
         print("\n" + "=" * 130)
         print(f"{'RESULTS':^130}")