Added test

test.js

@@ -0,0 +1,62 @@
+#!/usr/bin/env mocha -r should -R spec
+var jsonfig = require('./index')
+var dotpath = require('dotpath')
+
+// Test different behaviours of the interface.
+describe('jsonfig interface', function () {
+
+  var path = __dirname + '/config';
+
+  it('should default to process env', function () {
+    jsonfig.env().should.eql(process.env.NODE_ENV || 'development')
+  })
+
+  it('should change env to production', function () {
+    jsonfig.env('production')
+    jsonfig.env().should.eql('production')
+  })
+
+  it('should default to __dirname path', function () {
+    jsonfig.path().should.eql(__dirname)
+  })
+
+  it('should change path to ./config', function () {
+    jsonfig.path(path)
+    jsonfig.path().should.eql(path)
+  })
+
+  function next (origin, conf, cb) {
+    cb()
+    describe('config interface from '+origin, function () {
+
+      it('should use dotpath module', function () {
+        conf.should.be.an.instanceof(dotpath)
+        conf.get.should.be.a('function')
+      })
+
+      it('should get evironment-specific configs', function () {
+        conf.get('redis.host').should.eql('localhost')
+      })
+
+      it('should get environment-agnostic configs', function () {
+        conf.get('all_envs.some').should.eql('var')
+      })
+
+    })
+  }
+
+  it('should load from stored path()', function (done) {
+    jsonfig.path(path).load(function (err, conf) {
+      if (err) { throw new Error(err) }
+      next('stored path', conf, done)
+    })
+  })
+
+  it('should load from supplied path', function (done) {
+    jsonfig.path(__dirname).load(path, function (err, conf) {
+      if (err) { throw new Error(err) }
+      next('supplied path', conf, done)
+    })
+  })
+
+})