Static Loader class was refactored into AntiTempmailRepo class.

Added LoaderInterface.
Added fromLoader creator for Storage.

tests/Loader/AntiTempmailRepoTest.php

@@ -0,0 +1,45 @@
+<?php
+namespace Ely\TempMailBuster\Loader;
+
+class AntiTempmailRepoTest extends \PHPUnit_Framework_TestCase
+{
+    public function testLoad()
+    {
+        $loader = new AntiTempmailRepo();
+        $this->assertTrue(is_array($loader->load()));
+    }
+
+    public function testLoadExceptionWrongPaths()
+    {
+        $this->expectException('Exception');
+        $loader = new AntiTempmailRepoWithWrongPaths();
+        $loader->load();
+    }
+
+    public function testLoadExceptionInvalidJson()
+    {
+        $this->expectException('Exception');
+        $loader = new AntiTempmailRepoWithInvalidJson();
+        $loader->load();
+    }
+}
+
+class AntiTempmailRepoWithWrongPaths extends AntiTempmailRepo
+{
+    protected function getPaths()
+    {
+        return [
+            __DIR__ . '/virtual_reality.json',
+        ];
+    }
+}
+
+class AntiTempmailRepoWithInvalidJson extends AntiTempmailRepo
+{
+    protected function getPaths()
+    {
+        return [
+            __DIR__ . '/AntiTempmailRepoTest.php',
+        ];
+    }
+}