Add tests

test/throttle.js

@@ -0,0 +1,50 @@
+var osmosis = require('../index'),
+    server  = require('./server'),
+    url     = server.host + ':' + server.port;
+
+
+module.exports.on = function (assert) {
+    var date0 = +Date.now(), interval = 2000;
+    osmosis.get(url + '/get')
+    .throttle(2, interval)
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 < interval);
+    })
+    .get(url + '/get')
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 < interval);
+    })
+    .get(url + '/get')
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 >= interval);
+    })
+    .done(function () {
+        assert.done();
+    });
+};
+
+module.exports.off = function (assert) {
+    var date0 = +Date.now(), interval = 2000;
+    osmosis.get(url + '/get')
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 < interval);
+    })
+    .get(url + '/get')
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 < interval);
+    })
+    .get(url + '/get')
+    .then(function () {
+        var date = +Date.now();
+        assert.ok(date - date0 < interval);
+    })
+    .done(function () {
+        assert.done();
+    });
+};
+