add unit test for function convertHTMLtoMarkdown

Author: wm8120

src/common/mdh-html-to-text.js

@@ -304,6 +304,7 @@ function convertHTMLtoMarkdown(tag, html) {
       (                 // begin optional prefix capture group
         (?:\]\([^\)]*)  // match an unclosed URL portion of a MD link -- like "...](..."
         |(?:\[[^\]]*)   // match an unclosed name portion of a MD link -- like "...[..."
+        |(?:\[.*\]:.*)  // match the patterns of reflink and nolink -- link "[...]:..."
       )?                // capture group is optional so that we do the "negative" lookbehind -- that is, we can match links that are *not* preceded by the stuff we *don't* want
       <a\s[^>]*href="([^"]*)"[^>]*>(.*?)<\/a>  // an HTML link
     Then the replace callback looks like this:

src/common/test/def-convert.js

@@ -0,0 +1,27 @@
+/* Test the convertHTMLtoMarkdown function whether can handle def pattern correctly.
+ * Test cases:
+ * [label]: http://<a href="http://example.com" target="_blank">example.com</a>
+ * [label]: <a href="http://example.com" target="_blank">http://example.com</a>
+ * [text](<a href="http://example.com" target="_blank">http://example.com</a>)
+ * Expect results:
+ * All of them should be unchanged
+ *
+ * (c) 2014 Meng Wang <wm8120@gmail.com> 
+ * MIT License
+ */
+
+function convert() {
+  var convertHTMLtoMarkdown = MdhHtmlToText._testExports.convertHTMLtoMarkdown;
+  var case1 = '[label]: http://<a href="http://example.com" target="_blank">example.com</a>'
+  var case2 = '[label]: <a href="http://example.com" target="_blank">http://example.com</a>'
+  var case3 = '[text](<a href="http://example.com" target="_blank">http://example.com</a>)'
+
+  var result1 = convertHTMLtoMarkdown('a', case1);
+  var result2 = convertHTMLtoMarkdown('a', case2);
+  var result3 = convertHTMLtoMarkdown('a', case3);
+
+  if (result1 !== case1 || result2 !== case2 || result3 !== case3) {
+    window.alert("convertHTMLtoMarkdown generate false MD links!");
+  }
+};
+

src/common/test/index.html

@@ -36,7 +36,6 @@
   <script src="../options-store.js"></script>
   <script src="../markdown-here.js"></script>
 
-  <!--
   <script src="../vendor/jquery-1.9.1.js"></script>
   <script src="underscore.js"></script>
   <script src="mocha.js"></script>
@@ -50,7 +49,6 @@
   <script src="markdown-render-test.js"></script>
   <script src="markdown-here-test.js"></script>
   <script src="test-run.js"></script>
-  -->
 
   <script src="def-convert.js"></script>
   <script type="text/javascript">