test extending views

tests/View/ExtendingAndPartialsTest.php

+<?php
+
+namespace Syna\Test\View;
+
+use Syna\Factory;
+use Syna\Test\TestCase;
+use Mockery as m;
+use Syna\ViewLocator;
+
+class ExtendingAndPartialsTest extends TestCase
+{
+    /** @var m\Mock|Factory */
+    protected $factory;
+
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->factory = m::mock(Factory::class, [new ViewLocator($this->templatePath)])->makePartial();
+    }
+
+    /** @test */
+    public function viewsCanExtendOtherViews()
+    {
+        $this->createTemplate('parent.php', '<div class="content"><?= $v->section("content") ?></div>');
+        $this->createTemplate(
+            'child.php',
+            '<?php $v->extend("parent") ?>' . PHP_EOL .
+            '<p>Lorem ipsum</p>'
+        );
+
+        $result = $this->factory->render('child');
+
+        self::assertSame('<div class="content"><p>Lorem ipsum</p></div>', $result);
+    }
+
+    /** @test */
+    public function parentsCanUseSectionsCreatedInChild()
+    {
+        $this->createTemplate('parent.php', '<h2><?= $v->section("title") ?></h2>');
+        $this->createTemplate(
+            'child.php',
+            '<?php $v->extend("parent") ?>' . PHP_EOL .
+            '<?php $v->provide("title", "Hello World!") ?>'
+        );
+
+        $result = $this->factory->render('child');
+
+        self::assertSame('<h2>Hello World!</h2>', $result);
+    }
+
+    /** @test */
+    public function parentsGetAllDataByDefault()
+    {
+        $this->createTemplate('parent.php', '<h2><?= $title ?></h2>');
+        $this->createTemplate('child.php', '<?php $v->extend("parent") ?>');
+
+        $result = $this->factory->render('child', ['title' => 'Hello World!']);
+
+        self::assertSame('<h2>Hello World!</h2>', $result);
+    }
+
+    /** @test */
+    public function changeTheDataAParentGets()
+    {
+        $this->createTemplate('parent.php', '<h2><?= $title ?? "" ?><small><?= $subTitle ?></small></h2>');
+        $this->createTemplate('child.php', '<?php $v->extend("parent", ["subTitle" => "Foo Bar"]) ?>');
+
+        $result = $this->factory->render('child', ['title' => 'Hello World!']);
+
+        self::assertSame('<h2><small>Foo Bar</small></h2>', $result);
+    }
+}