smoke test on Windows

while mocha doesn't run on Windows

at least verifies that sockets can be created and messages sent

Author: minrk

appveyor.yml

@@ -12,9 +12,9 @@ configuration:
 
 install:
   - ps: Install-Product node $env:nodejs_version $env:platform
-  - npm install --verbose
+  - npm install
 
 test_script:
   - node --version
   - npm --version
-  - npm test
+  - node windows/smoketest.js

windows/smoketest.js

@@ -0,0 +1,10 @@
+// minimal smoke test for appveyor
+// while mocha tests don't run
+var zmq = require('..');
+
+var s = new zmq.socket('pub');
+s.bind('tcp://127.0.0.1:0');
+s.send('test');
+setTimeout(function () {
+    s.close();
+}, 1000);