fix(ci): support macOS by using gtimeout from coreutils

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Install dependencies (macOS)
       if: runner.os == 'macOS'
       run: |
-        brew install libssh
+        brew install libssh coreutils
 
     - name: Build
       run: make

tests/test_anonymous_access.sh

@@ -20,12 +20,18 @@ cleanup() {
 }
 trap cleanup EXIT
 
+# Detect timeout command
+TIMEOUT_CMD="timeout"
+if command -v gtimeout >/dev/null 2>&1; then
+    TIMEOUT_CMD="gtimeout"
+fi
+
 echo "Testing anonymous SSH access to TNT server..."
 echo ""
 
 # Test 1: Connection with any username and password
 echo "Test 1: Connection with any username (should succeed)"
-timeout 10 expect -c "
+$TIMEOUT_CMD 10 expect -c "
 spawn ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p $PORT testuser@localhost
 expect {
     \"password:\" {
@@ -54,7 +60,7 @@ echo ""
 
 # Test 2: Connection should work with empty password
 echo "Test 2: Simple connection (standard SSH command)"
-timeout 10 expect -c "
+$TIMEOUT_CMD 10 expect -c "
 spawn ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p $PORT anonymous@localhost
 expect {
     \"password:\" {

tests/test_basic.sh

@@ -13,6 +13,12 @@ cleanup() {
 
 trap cleanup EXIT
 
+# Detect timeout command
+TIMEOUT_CMD="timeout"
+if command -v gtimeout >/dev/null 2>&1; then
+    TIMEOUT_CMD="gtimeout"
+fi
+
 echo "=== TNT Basic Tests ==="
 
 # Path to binary
@@ -39,7 +45,7 @@ else
 fi
 
 # Test 2: SSH connection
-if timeout 5 ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
+if $TIMEOUT_CMD 5 ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
     -o BatchMode=yes -p $PORT localhost exit 2>/dev/null; then
     echo "✓ SSH connection works"
     PASS=$((PASS + 1))
@@ -49,7 +55,7 @@ else
 fi
 
 # Test 3: Message logging
-(echo "testuser"; echo "test message"; sleep 1) | timeout 5 ssh -o StrictHostKeyChecking=no \
+(echo "testuser"; echo "test message"; sleep 1) | $TIMEOUT_CMD 5 ssh -o StrictHostKeyChecking=no \
     -o UserKnownHostsFile=/dev/null -p $PORT localhost >/dev/null 2>&1 &
 sleep 3
 if [ -f messages.log ]; then

tests/test_security_features.sh

@@ -43,6 +43,12 @@ if [ ! -f "$BIN" ]; then
     exit 1
 fi
 
+# Detect timeout command
+TIMEOUT_CMD="timeout"
+if command -v gtimeout >/dev/null 2>&1; then
+    TIMEOUT_CMD="gtimeout"
+fi
+
 # Test 1: 4096-bit RSA Key Generation
 print_test "1. RSA 4096-bit Key Generation"
 rm -f host_key
@@ -75,19 +81,19 @@ fi
 print_test "2. Environment Variable Configuration"
 
 # Test bind address
-TNT_BIND_ADDR=127.0.0.1 timeout 3 $BIN 2>&1 | grep -q "TNT chat server" && \
+TNT_BIND_ADDR=127.0.0.1 $TIMEOUT_CMD 3 $BIN 2>&1 | grep -q "TNT chat server" && \
     pass "TNT_BIND_ADDR configuration works" || fail "TNT_BIND_ADDR not working"
 
 # Test with access token set (just verify it starts)
-TNT_ACCESS_TOKEN="test123" timeout 3 $BIN 2>&1 | grep -q "TNT chat server" && \
+TNT_ACCESS_TOKEN="test123" $TIMEOUT_CMD 3 $BIN 2>&1 | grep -q "TNT chat server" && \
     pass "TNT_ACCESS_TOKEN configuration accepted" || fail "TNT_ACCESS_TOKEN not working"
 
 # Test max connections configuration
-TNT_MAX_CONNECTIONS=10 timeout 3 $BIN 2>&1 | grep -q "TNT chat server" && \
+TNT_MAX_CONNECTIONS=10 $TIMEOUT_CMD 3 $BIN 2>&1 | grep -q "TNT chat server" && \
     pass "TNT_MAX_CONNECTIONS configuration accepted" || fail "TNT_MAX_CONNECTIONS not working"
 
 # Test rate limit toggle
-TNT_RATE_LIMIT=0 timeout 3 $BIN 2>&1 | grep -q "TNT chat server" && \
+TNT_RATE_LIMIT=0 $TIMEOUT_CMD 3 $BIN 2>&1 | grep -q "TNT chat server" && \
     pass "TNT_RATE_LIMIT configuration accepted" || fail "TNT_RATE_LIMIT not working"
 
 sleep 1

tests/test_stress.sh

@@ -12,6 +12,12 @@ if [ ! -f "$BIN" ]; then
     exit 1
 fi
 
+# Detect timeout command
+TIMEOUT_CMD="timeout"
+if command -v gtimeout >/dev/null 2>&1; then
+    TIMEOUT_CMD="gtimeout"
+fi
+
 echo "Starting TNT server on port $PORT..."
 $BIN -p $PORT &
 SERVER_PID=$!
@@ -27,7 +33,7 @@ echo "Spawning $CLIENTS clients for ${DURATION}s..."
 for i in $(seq 1 $CLIENTS); do
     (
         sleep $((i % 5))
-        echo "test user $i" | timeout $DURATION ssh -o StrictHostKeyChecking=no \
+        echo "test user $i" | $TIMEOUT_CMD $DURATION ssh -o StrictHostKeyChecking=no \
             -o UserKnownHostsFile=/dev/null -p $PORT localhost \
             >/dev/null 2>&1
     ) &