4 files changed, 58 insertions, 7 deletions
diff --git a/lib/plugins/__tests__/findForBook.js b/lib/plugins/__tests__/findForBook.js
new file mode 100644
index 0000000..d8af2e9
--- /dev/null
+++ b/lib/plugins/__tests__/findForBook.js
@@ -0,0 +1,19 @@
+var path = require('path');
+
+var Book = require('../../models/book');
+var createNodeFS = require('../../fs/node');
+var findForBook = require('../findForBook');
+
+describe('findForBook', function() {
+    var fs = createNodeFS(
+        path.resolve(__dirname, '../../..')
+    );
+    var book = Book.createForFS(fs);
+
+    it('should list default plugins', function() {
+        return findForBook(book)
+        .then(function(plugins) {
+            expect(plugins.has('fontsettings')).toBeTruthy();
+        });
+    });
+});
diff --git a/lib/plugins/__tests__/locateRootFolder.js b/lib/plugins/__tests__/locateRootFolder.js
new file mode 100644
index 0000000..bb414a3
--- /dev/null
+++ b/lib/plugins/__tests__/locateRootFolder.js
@@ -0,0 +1,10 @@
+var path = require('path');
+var locateRootFolder = require('../locateRootFolder');
+
+describe('locateRootFolder', function() {
+    it('should correctly resolve the node_modules for gitbook', function() {
+        expect(locateRootFolder()).toBe(
+            path.resolve(__dirname, '../../../')
+        );
+    });
+});
diff --git a/lib/plugins/findForBook.js b/lib/plugins/findForBook.js
index 14ccc05..be2ad9f 100644
--- a/lib/plugins/findForBook.js
+++ b/lib/plugins/findForBook.js
@@ -1,22 +1,22 @@
-var path = require('path');
 var Immutable = require('immutable');
 
 var Promise = require('../utils/promise');
 var timing = require('../utils/timing');
 var findInstalled = require('./findInstalled');
+var locateRootFolder = require('./locateRootFolder');
 
 /**
-    List all plugins installed in a book
-
-    @param {Book}
-    @return {Promise<OrderedMap<String:Plugin>>}
-*/
+ * List all plugins installed in a book
+ *
+ * @param {Book}
+ * @return {Promise<OrderedMap<String:Plugin>>}
+ */
 function findForBook(book) {
     return timing.measure(
         'plugins.findForBook',
 
         Promise.all([
-            findInstalled(path.resolve(__dirname, '../..')),
+            findInstalled(locateRootFolder()),
             findInstalled(book.getRoot())
         ])
 
diff --git a/lib/plugins/locateRootFolder.js b/lib/plugins/locateRootFolder.js
new file mode 100644
index 0000000..1139510
--- /dev/null
+++ b/lib/plugins/locateRootFolder.js
@@ -0,0 +1,22 @@
+var path = require('path');
+var resolve = require('resolve');
+
+var DEFAULT_PLUGINS = require('../constants/defaultPlugins');
+
+/**
+ * Resolve the root folder containing for node_modules
+ * since gitbook can be used as a library and dependency can be flattened.
+ *
+ * @return {String} folderPath
+ */
+function locateRootFolder() {
+    var firstDefaultPlugin = DEFAULT_PLUGINS.first();
+    var pluginPath = resolve.sync(firstDefaultPlugin.getNpmID() + '/package.json', {
+        basedir: __dirname
+    });
+    var nodeModules = path.resolve(pluginPath, '../../..');
+
+    return nodeModules;
+}
+
+module.exports = locateRootFolder;