diff --git a/lib/spserver.js b/lib/spserver.js
index aea9ffb..7326180 100644
--- a/lib/spserver.js
+++ b/lib/spserver.js
@@ -4,6 +4,7 @@ var fs = require('fs');
 var http = require('http');
 var _ = require('lodash');
 var nStatic = require('node-static');
+var root = require('app-root-path');
 
 
 var config = require('./config');
@@ -12,7 +13,7 @@ var logger = require('./logger');
 var env = config.get('NODE_ENV');
 var fileServer = new nStatic.Server(config.get('serve') || config.get(env + ':serve'));
 
-module.exports = function(settings) {
+var spserver = function(settings) {
   if (!settings) {
     settings = config.get();
   }
@@ -58,18 +59,20 @@ module.exports = function(settings) {
               settings.serve || settings[env].serve);
 };
 
+spserver.generateBase = generateBase;
+
 function generateBase(file, settings) {
   if (!file) {
     return null;
   }
 
   if (_.endsWith(file, 'js')) {
-    return require(file);
+    return require(root.resolve(file));
   }
 
-  var contents = fs.readFileSync(file);
+  var contents = fs.readFileSync(root.resolve(file));
 
-  if (settings.template || settings[env].template) {
+  if (settings.template || settings[env] && settings[env].template) {
     contents = _.template(contents)(settings);
   }
 
@@ -78,3 +81,5 @@ function generateBase(file, settings) {
     res.end(contents);
   };
 }
+
+module.exports = spserver;
diff --git a/package.json b/package.json
index 477e8c0..31d2a43 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Node static page server for running quick MVVM file server",
   "main": "lib/spserver.js",
   "scripts": {
-    "test": "mocha --reporter spec ./test/*.test.js"
+    "test": "mocha --reporter spec test/base.test.js"
   },
   "repository": {
     "type": "git",
@@ -21,10 +21,14 @@
   },
   "homepage": "https://github.com/TheThing/spserver",
   "dependencies": {
+    "app-root-path": "^1.0.0",
     "bunyan": "^1.3.3",
     "lodash": "^3.0.1",
     "nconf": "^0.7.1",
     "node-static": "^0.7.6"
   },
-  "bin": "./bin.js"
+  "bin": "./bin.js",
+  "devDependencies": {
+    "sinon": "^1.12.2"
+  }
 }
diff --git a/test/base.test.js b/test/base.test.js
new file mode 100644
index 0000000..4e8702e
--- /dev/null
+++ b/test/base.test.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var fs = require('fs');
+var assert = require('assert');
+var sinon = require('sinon');
+
+describe('spserver', function() {
+
+  var spserver = require('../lib/spserver');
+
+  describe('#generateBase()', function() {
+    it('should return null when file is empty', function() {
+      assert.strictEqual(null, spserver.generateBase());
+      assert.strictEqual(null, spserver.generateBase(null, {}));
+      assert.strictEqual(null, spserver.generateBase(''));
+      assert.strictEqual(null, spserver.generateBase('', {}));
+    });
+
+    it('should read file contents if string', function() {
+      var stub = sinon.stub(fs, 'readFileSync').returns('bla');
+
+      spserver.generateBase('asdf', {});
+      assert(stub.called);
+      stub.restore();
+    });
+
+    it('should return function if file is javascript', function() {
+      var nothing = require('./nothing');
+      var test = spserver.generateBase('test/nothing.js', {});
+
+      assert.strictEqual(nothing.toString(), test.toString());
+    });
+  });
+});
diff --git a/test/nothing.js b/test/nothing.js
new file mode 100644
index 0000000..d5c6bc1
--- /dev/null
+++ b/test/nothing.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = function() {};