flight-core/tests/ViewTest.php

<?php
/**
 * Flight: An extensible micro-framework.
 *
 * @copyright   Copyright (c) 2012, Mike Cao <mike@mikecao.com>
 * @license     MIT, http://flightphp.com/license
 */
class ViewTest extends PHPUnit\Framework\TestCase
{
    /**
     * @var \flight\template\View
     */
    private $view;

    protected function setUp(): void
    {
        $this->view = new \flight\template\View();
        $this->view->path = __DIR__ . '/views';
    }

    // Set template variables
    public function testVariables()
    {
        $this->view->set('test', 123);

        $this->assertEquals(123, $this->view->get('test'));

        $this->assertTrue($this->view->has('test'));
        $this->assertTrue(!$this->view->has('unknown'));

        $this->view->clear('test');

        $this->assertNull($this->view->get('test'));
    }

    // Check if template files exist
    public function testTemplateExists()
    {
        $this->assertTrue($this->view->exists('hello.php'));
        $this->assertTrue(!$this->view->exists('unknown.php'));
    }

    // Render a template
    public function testRender()
    {
        $this->view->render('hello', ['name' => 'Bob']);

        $this->expectOutputString('Hello, Bob!');
    }

    // Fetch template output
    public function testFetch()
    {
        $output = $this->view->fetch('hello', ['name' => 'Bob']);

        $this->assertEquals('Hello, Bob!', $output);
    }

    // Default extension
    public function testTemplateWithExtension()
    {
        $this->view->set('name', 'Bob');

        $this->view->render('hello.php');

        $this->expectOutputString('Hello, Bob!');
    }

    // Custom extension
    public function testTemplateWithCustomExtension()
    {
        $this->view->set('name', 'Bob');
        $this->view->extension = '.html';

        $this->view->render('world');

        $this->expectOutputString('Hello world, Bob!');
    }
}