add unit test for daemon

.travis.yml

@@ -18,6 +18,7 @@ script:
   - pyflakes .
   - coverage run tests/nose_plugin.py -v
   - python setup.py sdist
+  - tests/test_daemon.sh
   - python tests/test.py --with-coverage -c tests/aes.json
   - python tests/test.py --with-coverage -c tests/aes-ctr.json
   - python tests/test.py --with-coverage -c tests/aes-cfb1.json

shadowsocks/daemon.py

@@ -105,11 +105,14 @@ def daemon_start(pid_file, log_file):
     assert pid != -1
 
     def handle_exit(signum, _):
-        sys.exit(0)
+        if signum == signal.SIGTERM:
+            sys.exit(0)
+        sys.exit(1)
 
     if pid > 0:
         # parent waits for its child
         signal.signal(signal.SIGINT, handle_exit)
+        signal.signal(signal.SIGTERM, handle_exit)
         time.sleep(5)
         sys.exit(0)
 
@@ -121,11 +124,16 @@ def daemon_start(pid_file, log_file):
         sys.exit(1)
 
     print('started')
-    os.kill(ppid, signal.SIGINT)
+    os.kill(ppid, signal.SIGTERM)
 
     sys.stdin.close()
-    freopen(log_file, 'a', sys.stdout)
-    freopen(log_file, 'a', sys.stderr)
+    try:
+        freopen(log_file, 'a', sys.stdout)
+        freopen(log_file, 'a', sys.stderr)
+    except IOError as e:
+        logging.error(e)
+        os.kill(ppid, signal.SIGINT)
+        sys.exit(1)
 
 
 def daemon_stop(pid_file):

tests/test_daemon.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+function test {
+    expected=$1
+    shift
+    echo "running test: $command $@"
+    $command $@
+    status=$?
+    if [ $status -ne $expected ]; then
+        echo "exit $status != $expected"
+        exit 1
+    fi
+    echo "exit status $status == $expected"
+    echo OK
+    return
+}
+
+for module in local server
+do
+
+command="coverage run -p -a shadowsocks/$module.py"
+
+test 0 -c tests/aes.json -d stop --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+
+test 0 -c tests/aes.json -d start --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 0 -c tests/aes.json -d stop --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+
+test 0 -c tests/aes.json -d start --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 1 -c tests/aes.json -d start --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 0 -c tests/aes.json -d stop --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+
+test 0 -c tests/aes.json -d start --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 0 -c tests/aes.json -d restart --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 0 -c tests/aes.json -d stop --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+
+test 0 -c tests/aes.json -d restart --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 0 -c tests/aes.json -d stop --pid-file /tmp/shadowsocks.pid --log-file /tmp/shadowsocks.log
+
+test 1 -c tests/aes.json -d start --pid-file /tmp/not_exist/shadowsocks.pid --log-file /tmp/shadowsocks.log
+test 1 -c tests/aes.json -d start --pid-file /tmp/shadowsocks.pid --log-file /tmp/not_exist/shadowsocks.log
+
+done