add some basic tests for the structure of the API

test/test.API.js

@@ -0,0 +1,49 @@
+'use strict';
+
+var chai           = chai || require('chai');
+var should         = chai.should();
+var API            = API || require('../API');
+
+describe('API', function() {
+
+  it('should have a command called "echo"', function() {
+    var api = new API();
+    should.exist(api.echo);
+  });
+
+  it('should have argTypes for every command', function() {
+    for (var i in API.prototype) {
+      var f = API.prototype[i];
+      if (i[0] != '_' && typeof f == 'function') {
+        f.argTypes.length.should.be.greaterThan(0);
+      }
+    };
+  })
+
+  it('should throw an error for all commands when called with wrong number of arguments', function() {
+    var api = new API();
+    for (var i in API.prototype) {
+      var f = API.prototype[i];
+      if (i[0] != '_' && typeof f == 'function') {
+        var a = new Array();
+        for (var j = 0; j <= f.argTypes.length + 1; j++) {
+          a.push(0);
+        }
+        (function() {
+          api[i].apply(api, a);
+        }).should.throw();
+      }
+    };
+  });
+
+  it('should have a callback in the arguments on every command', function() {
+    for (var i in API.prototype) {
+      var f = API.prototype[i];
+      if (i[0] != '_' && typeof f == 'function') {
+        f.argTypes[f.argTypes.length-1][0].should.equal('callback');
+        f.argTypes[f.argTypes.length-1][1].should.equal('function');
+      }
+    }
+  });
+
+});