diff --git a/spec/test_data/index.document1.txt b/spec/test_data/index.document1.txt
new file mode 100644
index 000000000..f90c3154f
--- /dev/null
+++ b/spec/test_data/index.document1.txt
@@ -0,0 +1 @@
+this document is about node.
\ No newline at end of file
diff --git a/spec/wordnet_index_spec.js b/spec/wordnet_index_spec.js
new file mode 100644
index 000000000..089f49722
--- /dev/null
+++ b/spec/wordnet_index_spec.js
@@ -0,0 +1,42 @@
+/*
+Copyright (c) 2014, John Markos O'Neill
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+var IndexFile = require('../lib/natural/wordnet/index_file');
+var fs = require('fs');
+
+describe('indexFile', function() {
+    describe('getFileSize', function() {
+
+        it('should look up a word if the file exists', function() {
+            indexFile = new IndexFile('spec/test_data/', 'document1.txt');
+            indexFile.lookupFromFile('node', function(indexRecord) {
+            });
+        });
+
+        it('should fail to lookup a word if the file does not exist', function() {
+            indexFile = new IndexFile('spec/test_data/', 'nonexistent.txt');
+            indexFile.lookupFromFile('node', function(err) {
+                err.code.should.equal('ENOENT');
+            });
+        });
+    });
+});