Add a bunch of tests

addons/linkify/linkify.js

@@ -91,22 +91,13 @@
         continue;
       }
 
+      var url = exports.findLinkMatch(node.data, lenient);
 
-      if (lenient) {
-        match = node.data.match(lenientUrlRegex);
-      } else {
-        match = node.data.match(strictUrlRegex);
-      }
-
-      /**
-       * If no URL was found in the current text, return.
-       */
-      if (!match) {
+      if (!url) {
         continue;
       }
 
-      var url = match[1],
-          startsWithProtocol = new RegExp('^' + protocolClause),
+      var startsWithProtocol = new RegExp('^' + protocolClause),
           urlHasProtocol = url.match(startsWithProtocol),
           href = (urlHasProtocol) ? url : 'http://' + url,
           link = '<a href="' +  href + '" >' + url + '</a>',
@@ -125,6 +116,20 @@
     terminal.emit('linkify:line', line);
   };
 
+  /**
+   * Finds a link within a block of text.
+   *
+   * @param {string} text - The text to search .
+   * @param {boolean} lenient - Whether to use the lenient search.
+   * @return {string} A URL.
+   */
+  exports.findLinkMatch = function (text, lenient) {
+    var match = text.match(lenient ? lenientUrlRegex : strictUrlRegex);
+    if (!match || match.length === 0) {
+      return null;
+    }
+    return match[1];
+  }
 
   /**
    * Converts all valid URLs found in the terminal view into hyperlinks.