Test case for instantiator.

test/instantiator.test.js

@@ -0,0 +1,24 @@
+/* global describe, it, before, expect */
+
+var Instantiator = require('../lib/instantiator');
+
+describe('Instantiator', function() {
+
+  describe('without mechanisms', function() {
+    var instantiator = new Instantiator();
+    var error;
+
+    before(function(done) {
+      instantiator.instantiate({}, 'foo', function(err) {
+        error = err;
+        return done();
+      });
+    });
+
+    it('should call callback', function() {
+      expect(error).to.be.an.instanceOf(Error);
+      expect(error.message).to.equal("Unable to instantiate 'foo'");
+    });
+  });
+
+});

test/resolver.test.js

@@ -1,4 +1,4 @@
-/* global describe, it, before, expect */
+/* global describe, it, expect */
 
 var Resolver = require('../lib/resolver');
 
@@ -53,7 +53,7 @@ describe('Resolver', function() {
     });
   });
 
-  describe('with two mechanisms scoped to prefix', function() {
+  describe('with two mechanisms, each scoped to prefix', function() {
     var resolver = new Resolver();
     resolver.use('foo', function(id) {
       return 'ok-foo-' + id;