Make LE work with hyphenated domains

src/test/acme2-test.js

@@ -0,0 +1,44 @@
+/* global it:false */
+/* global describe:false */
+/* global before:false */
+/* global after:false */
+
+'use strict';
+
+var async = require('async'),
+    config = require('../config.js'),
+    database = require('../database.js'),
+    acme2 = require('../cert/acme2.js'),
+    expect = require('expect.js'),
+    _ = require('underscore');
+
+describe('Acme2', function () {
+    before(function (done) {
+        config._reset();
+
+        async.series([
+            database.initialize,
+            database._clear
+        ], done);
+    });
+
+    after(function (done) {
+        async.series([
+            database._clear,
+            database.uninitialize
+        ], done);
+    });
+
+    describe('getChallengeSubdomain', function () {
+        it('non-wildcard', function () {
+            expect(acme2._getChallengeSubdomain('example.com', 'example.com')).to.be('_acme-challenge');
+            expect(acme2._getChallengeSubdomain('git.example.com', 'example.com')).to.be('_acme-challenge.git');
+        });
+
+        it('wildcard', function () {
+            expect(acme2._getChallengeSubdomain('*.example.com', 'example.com')).to.be('_acme-challenge');
+            expect(acme2._getChallengeSubdomain('*.git.example.com', 'example.com')).to.be('_acme-challenge.git');
+            expect(acme2._getChallengeSubdomain('*.example.com', 'customer.example.com')).to.be('_acme-challenge'); // for hyphenatedSubdomains
+        });
+    });
+});