Update README.md; Update ValidatorTest

Author: cdtweb

README.md

@@ -231,6 +231,10 @@ if ($valid) {
 * `ipv4` Validate that value is IPv4
 * `ipv6` Validate that value is IPv6
 * `date`, `datetime` Validate that value is date/datetime
+* `resource` Validate that value is a resource
+* `stream` Validate that value is a stream
+* `dir`, `directory` Validate that value is a directory
+* `file` Validate that value is a file
 
 **Hint:** Adding `[]` to any type (e.g. `int[]`) will validate an array of values.
 

tests/ValidatorTest.php

@@ -3,6 +3,8 @@
 
 class ValidatorTest extends \PHPUnit_Framework_TestCase
 {
+    protected $dir;
+    protected $file;
     protected $resource;
     protected $nullValues;
     protected $booleanValues;
@@ -30,6 +32,8 @@ class ValidatorTest extends \PHPUnit_Framework_TestCase
     protected function setUp()
     {
         // Create resource/stream
+        $this->dir = __DIR__ . '/fixtures';
+        $this->file = $this->dir . '/resource.txt';
         $this->resource = fopen(__DIR__ . '/fixtures/resource.txt', 'r');
 
         // Set values for each data type
@@ -741,6 +745,43 @@ public function testValidateDateTime()
         }
     }
 
+    /**
+     * @covers Validator::validateResource
+     */
+    public function testValidateResource()
+    {
+        $this->assertTrue(Validator::isResource($this->resource));
+        $this->assertTrue(Validator::isResource($this->resource, ['resource_type' => 'stream']));
+    }
+
+    /**
+     * @covers Validator::validateStream
+     */
+    public function testValidateStream()
+    {
+        $this->assertTrue(Validator::isStream($this->resource));
+    }
+
+    /**
+     * @covers Validator::validateDir
+     */
+    public function testValidateDir()
+    {
+        $this->assertTrue(Validator::isDir($this->dir));
+        $this->assertTrue(Validator::isDir($this->dir, ['is_writable' => true]));
+        $this->assertFalse(Validator::isDir($this->dir, ['is_writable' => false]));
+    }
+
+    /**
+     * @covers Validator::validateFile
+     */
+    public function testValidateFile()
+    {
+        $this->assertTrue(Validator::isFile($this->file));
+        $this->assertTrue(Validator::isFile($this->file, ['is_writable' => true]));
+        $this->assertFalse(Validator::isFile($this->file, ['is_writable' => false]));
+    }
+
     /**
      * Test 'required' setting for rules.
      */