update diff lib

Author: sokil

.gitignore

@@ -1,2 +1,3 @@
 vendor
 composer.lock
+.phpunit.result.cache

composer.json

@@ -9,10 +9,10 @@
     ],
     "require": {
         "php": "^5.6 || ^7.0",
-        "sebastian/diff": "^1.4"
+        "sebastian/diff": ">=1.4 <4.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.5",
+        "phpunit/phpunit": ">=5.5",
         "satooshi/php-coveralls": ">=0.7.1 <2.0"
     },
     "autoload": {

tests/phpunit.xml renamed to phpunit.xml.dist

@@ -1,13 +1,13 @@
 <?xml version="1.0"?>
-<phpunit colors="true" bootstrap="../vendor/autoload.php">
+<phpunit colors="true" bootstrap="vendor/autoload.php">
     <testsuites>
         <testsuite name="AllTests">
-            <directory>./</directory>
+            <directory>./tests</directory>
         </testsuite>
     </testsuites>
      <filter>
         <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">../src</directory>
+            <directory suffix=".php">./src</directory>
         </whitelist>
     </filter>
 </phpunit>

src/Renderer.php

@@ -114,6 +114,8 @@ public function render(Change $change)
 
         // render diff
         foreach ($diff as &$line) {
+            $line[0] = trim($line[0]);
+
             switch ($line[1]) {
                 case 0: // NOT CHANGED
                     $line = $line[0];

tests/RendererTest.php

@@ -119,23 +119,21 @@ public function testRender_ChangeValueHasStringType(
         $this->assertEquals($expectedDiff, $actualDiff);
     }
 
-    /**
-     * @expectedException        \InvalidArgumentException
-     * @expectedExceptionMessage Invalid format specified
-     */
     public function testSetFormatWithInvalidType()
     {
+        $this->expectException('\InvalidArgumentException');
+        $this->expectExceptionMessage('Invalid format specified');
+
         $diffRenderer = new Renderer([]);
 
         $diffRenderer->setFormat('not_array_type');
     }
 
-    /**
-     * @expectedException        \InvalidArgumentException
-     * @expectedExceptionMessage Invalid format specified
-     */
     public function testSetFormatWithInvalidDefinedFormats()
     {
+        $this->expectException('\InvalidArgumentException');
+        $this->expectExceptionMessage('Invalid format specified');
+
         $diffRenderer = new Renderer([]);
 
         $diffRenderer->setFormat(1000);