Final renaming

Upd <extends> tests

tests/cases/Cytro/RenderTest.php

@@ -0,0 +1,56 @@
+<?php
+namespace Cytro;
+use Cytro,
+    Cytro\Render;
+
+class RenderTest extends \PHPUnit_Framework_TestCase {
+
+    /**
+     * @var Render
+     */
+    public static $render;
+
+    public static function setUpBeforeClass() {
+        self::$render = new Render(Cytro::factory("."), function ($tpl) {
+            echo "It is render's function ".$tpl["render"];
+        }, array(
+            "name" => "render.tpl"
+        ));
+    }
+
+    public function testCreate() {
+        $r = new Render(Cytro::factory("."), function () {
+            echo "Test render";
+        }, array(
+            "name" => "test.render.tpl"
+        ));
+        $this->assertSame("Test render", $r->fetch(array()));
+    }
+
+    public function testDisplay() {
+        ob_start();
+        self::$render->display(array("render" => "display"));
+        $out = ob_get_clean();
+        $this->assertSame("It is render's function display", $out);
+    }
+
+    public function testFetch() {
+        $this->assertSame("It is render's function fetch", self::$render->fetch(array("render" => "fetch")));
+    }
+
+    /**
+     * @expectedException     \RuntimeException
+     * @expectedExceptionMessage template error
+     */
+    public function testFetchException() {
+        $render = new Render(Cytro::factory("."), function () {
+            echo "error";
+            throw new \RuntimeException("template error");
+        }, array(
+            "name" => "render.tpl"
+        ));
+        $render->fetch(array());
+    }
+
+}
+