add test for #500

groupsConfig.php

@@ -4,7 +4,7 @@
  * @package Minify
  */
 
-/** 
+/**
  * You may wish to use the Minify URI Builder app to suggest
  * changes. http://yourdomain/min/builder/
  *

tests/LessSourceTest.php

@@ -0,0 +1,40 @@
+<?php
+
+class LessSourceTest extends TestCase
+{
+    public function setUp()
+    {
+        $this->realDocRoot = $_SERVER['DOCUMENT_ROOT'];
+        $_SERVER['DOCUMENT_ROOT'] = self::$document_root;
+    }
+
+    /**
+     * @link https://github.com/mrclay/minify/issues/500
+     */
+    public function testLessTimestamp()
+    {
+        $baseDir = self::$test_files;
+
+        $mainLess = "$baseDir/main.less";
+        $includedLess = "$baseDir/included.less";
+
+        // touch timestamp with 1s difference
+        touch($mainLess);
+        sleep(1);
+        touch($includedLess);
+
+        $mtime1 = filemtime($mainLess);
+        var_dump($mtime1);
+        $mtime2 = filemtime($includedLess);
+        var_dump($mtime2);
+
+        $max = max($mtime1, $mtime2);
+
+        $options = array(
+            'groupsConfigFile' => "$baseDir/htmlHelper_groupsConfig.php",
+        );
+        $res = Minify_HTML_Helper::getUri('less', $options);
+
+        $this->assertEquals("/min/g=less&amp;{$max}", $res);
+    }
+}

tests/_test_files/htmlHelper_groupsConfig.php

@@ -2,7 +2,11 @@
 
 return array(
     'css' => array(
-        '//_test_files/css/paths_prepend.css'
-        ,'//_test_files/css/styles.css'
-    )
+        '//_test_files/css/paths_prepend.css',
+        '//_test_files/css/styles.css',
+    ),
+
+    'less' => array(
+        '//_test_files/main.less',
+    ),
 );

tests/_test_files/included.less

@@ -0,0 +1 @@
+/* lesstest2.less */

tests/_test_files/main.less

@@ -0,0 +1,33 @@
+/*! preserving comment */
+@base: 24px;
+@border-color: #B2B;
+
+/* import included-> */
+@import "included";
+/* <- import included */
+
+.underline {
+  border-bottom: 1px solid green
+}
+
+#header {
+  color: black;
+  border: 1px solid @border-color + #222222;
+
+  .navigation {
+    font-size: @base / 2;
+    a {
+      .underline;
+    }
+  }
+  .logo {
+    width: 300px;
+    :hover {
+      text-decoration: none
+    }
+  }
+}
+
+/*
+ a normal comment
+*/