Allow . and ./ notation

Basically . and ./ will match just everything from a flysystem perspective
since the directories are relative from the virtual filesystem.

Author: jaapio

src/Specification/InPath.php

@@ -45,7 +45,6 @@ public function isSatisfiedBy(array $value)
     {
         if (isset($value['dirname'])) {
             $path = $this->cleanPath((string) $this->path);
-
             $validChars = '[a-zA-Z0-9\\\/\.\<\>\,\|\:\(\)\&\;\#]';
 
             $pattern = '(^(?!\/)'
@@ -69,6 +68,10 @@ public function isSatisfiedBy(array $value)
      */
     private function cleanPath($path)
     {
+        if ($path === '.' || $path === './') {
+            return '';
+        }
+
         if (substr($path, 0, 2) === './') {
             $path = substr($path, 1);
         }

tests/unit/Specification/InPathTest.php

@@ -44,6 +44,32 @@ public function testIfSpecificationIsSatisfied($dirname)
         $this->assertTrue($this->fixture->isSatisfiedBy(['dirname' => $dirname]));
     }
 
+    /**
+     * @covers ::__construct
+     * @covers ::isSatisfiedBy
+     * @covers ::<private>
+     * @dataProvider validDirnames
+     * @uses Flyfinder\Path
+     */
+    public function testWithSingleDotSpec($dirname)
+    {
+        $spec = new InPath(new Path('.'));
+        $this->assertTrue($spec->isSatisfiedBy(['dirname' => $dirname]));
+    }
+
+    /**
+     * @covers ::__construct
+     * @covers ::isSatisfiedBy
+     * @covers ::<private>
+     * @dataProvider validDirnames
+     * @uses Flyfinder\Path
+     */
+    public function testWithCurrentDirSpec($dirname)
+    {
+        $spec = new InPath(new Path('./'));
+        $this->assertTrue($spec->isSatisfiedBy(['dirname' => $dirname]));
+    }
+
     /**
      * Data provider for testIfSpecificationIsSatisfied. Contains a few valid directory names
      *