Fix and test relative theme loading

Author: tmcw

lib/output/html.js

@@ -1,6 +1,7 @@
 'use strict';
 
 var walk = require('../walk'),
+  path = require('path'),
   hljs = require('highlight.js');
 
 /**
@@ -50,5 +51,9 @@ function highlight(comment, options) {
 module.exports = function makeHTML(comments, options, callback) {
   options = options || {};
   comments = walk(comments, highlight, options);
-  require(options.theme || 'documentation-theme-default')(comments, options, callback);
+  var theme = require('documentation-theme-default');
+  if (options.theme) {
+    theme = require(path.resolve(process.cwd(), options.theme));
+  }
+  theme(comments, options, callback);
 };

test/bin.js

@@ -207,6 +207,20 @@ test('write to html', function (t) {
     }, false);
 }, options);
 
+test('write to html with custom theme', function (t) {
+
+  var dstDir = path.join(os.tmpdir(), (Date.now() + Math.random()).toString());
+  fs.mkdirSync(dstDir);
+
+  documentation(['build -t fixture/custom_theme --shallow fixture/internal.input.js -f html -o ' + dstDir], {},
+    function (err, data) {
+      t.error(err);
+      t.equal(data, '');
+      t.ok(fs.readFileSync(path.join(dstDir, 'index.html'), 'utf8'), 'Hello world');
+      t.end();
+    }, false);
+}, options);
+
 test('write to html, highlightAuto', function (t) {
 
   var fixture = 'fixture/auto_lang_hljs/multilanguage.input.js',

test/fixture/custom_theme/index.js

@@ -0,0 +1,13 @@
+var File = require('vinyl');
+
+/**
+ * This is a theme only used by documentation to test custom theme
+ * support.
+ */
+module.exports = function(comments, options, callback) {
+  return callback(null, [new File({
+    base: '/',
+    path: '/index.html',
+    contents: new Buffer('Hello world')
+  })]);
+};