Add npm tests

npm/npm-tests.ts

@@ -0,0 +1,28 @@
+/**
+* Test suite created by Maxime LUCE <https://github.com/SomaticIT>
+*
+* Created by using code samples from https://github.com/npm/npm#using-npm-programmatically.
+*/
+
+/// <reference path="../node/node.d.ts" />
+/// <reference path="npm.d.ts" />
+
+import npm = require("npm");
+
+npm.load({}, function (er) {
+    if (er) {
+        return console.error(er);
+    }
+
+    npm.commands.install(["some", "args"], function (er, data) {
+        if (er) {
+            return console.error(er);
+        }
+
+        // command succeeded, and data might have some info
+    });
+
+    npm.on("log", function (message: string) {
+        console.log(message);
+    });
+})