Going to use KNPMenu bundle to help facilitate multi-level lists

tests/MarkupFixerTest.php

@@ -0,0 +1,60 @@
+<?php
+use TOC\MarkupFixer;
+
+/**
+ * Created by PhpStorm.
+ * User: casey
+ * Date: 12/30/14
+ * Time: 1:24 PM
+ */
+
+class MarkupFixerTest extends PHPUnit_Framework_TestCase
+{
+    public function testInstantiateSucceeds()
+    {
+        $obj = new MarkupFixer();
+        $this->assertInstanceOf('\TOC\MarkupFixer', $obj);
+    }
+
+    // ---------------------------------------------------------------
+
+    public function testFixAddsIdsOnlyToElementsWithoutThem()
+    {
+        $obj = new MarkupFixer();
+
+        $html = "<h1>No ID</h1><h2>Existing ID</h2><h3>Ignored</h3>";
+
+        $this->assertEquals(
+            '<h1 id="no-id">No ID</h1><h2 id="existing-id">Existing ID</h2><h3>Ignored</h3>',
+            $obj->fix($html, 1, 2)
+        );
+    }
+
+    // ---------------------------------------------------------------
+
+    public function testFixDoesNotDuplicateIdsWhenFixing()
+    {
+        $obj = new MarkupFixer();
+
+        $html = "<h1>FooBar</h1><h2>FooBar</h2><h3>FooBar</h3>";
+
+        $this->assertEquals(
+            '<h1 id="foobar">FooBar</h1><h2 id="foobar-1">FooBar</h2><h3 id="foobar-2">FooBar</h3>',
+            $obj->fix($html, 1, 3)
+        );
+    }
+
+    // ---------------------------------------------------------------
+
+    public function testFixUsesTitleAttributeWhenAvailable()
+    {
+        $obj = new MarkupFixer();
+
+        $html = "<h1>No ID</h1><h2 title='b'>Existing ID</h2><h3>Ignored</h3>";
+
+        $this->assertEquals(
+          '<h1 id="no-id">No ID</h1><h2 title=\'b\' id="b">Existing ID</h2><h3>Ignored</h3>',
+          $obj->fix($html, 1, 2)
+        );
+    }
+}