testing/tests/views/template_loader_test.php

   1 <?php
   2 // Hoplite
   3 // Copyright (c) 2011 Blue Static
   4 //
   5 // This program is free software: you can redistribute it and/or modify it
   6 // under the terms of the GNU General Public License as published by the Free
   7 // Software Foundation, either version 3 of the License, or any later version.
   8 //
   9 // This program is distributed in the hope that it will be useful, but WITHOUT
  10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 // more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along with
  15 // this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 namespace hoplite\test;
  18 use hoplite\views as views;
  19
  20 require_once HOPLITE_ROOT . '/views/cache_backend.php';
  21 require_once HOPLITE_ROOT . '/views/template_loader.php';
  22
  23 class TemplateLoaderTest extends \PHPUnit_Framework_TestCase
  24 {
  25   public function setUp()
  26   {
  27     $this->fixture = new views\TemplateLoader();
  28     $this->fixture->set_template_path(dirname(__FILE__) . '/%s.tpl');
  29
  30     $this->cache = $this->getMock('\\hoplite\\views\\CacheBackend');
  31     $this->fixture->set_cache_backend($this->cache);
  32   }
  33
  34   public function testTemplatePath()
  35   {
  36     $path = '/webapp/views/%s.tpl';
  37     $this->fixture->set_template_path($path);
  38     $this->assertEquals($path, $this->fixture->template_path());
  39   }
  40
  41   public function testCacheMiss()
  42   {
  43     $file_path = sprintf($this->fixture->template_path(), 'cache_test');
  44
  45     $this->cache->expects($this->once())
  46                 ->method('GetTemplateDataForName')
  47                 ->with($this->equalTo($file_path))
  48                 ->will($this->returnValue(NULL));
  49
  50     $expected = file_get_contents($file_path);
  51
  52     $this->cache->expects($this->once())
  53                 ->method('StoreCompiledTemplate')
  54                 ->with($this->equalTo($file_path),
  55                        $this->greaterThan(0),
  56                        $this->equalTo($expected));
  57
  58     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  59     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  60   }
  61
  62   public function testCacheHit()
  63   {
  64     $file_path = sprintf($this->fixture->template_path(), 'cache_test');
  65
  66     $expected = 'Cache hit!';
  67     $this->cache->expects($this->once())
  68                 ->method('GetTemplateDataForName')
  69                 ->with($this->equalTo($file_path))
  70                 ->will($this->returnValue($expected));
  71
  72     // The cache backend is only consulted once.
  73     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  74     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  75     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  76     $this->assertEquals($expected, $this->fixture->Load('cache_test')->template());
  77   }
  78
  79   public function testSingleton()
  80   {
  81     $fixture = views\TemplateLoader::GetInstance();
  82     $this->assertNotSame($fixture, $this->fixture);
  83
  84     views\TemplateLoader::SetInstance($this->fixture);
  85     $this->assertSame(views\TemplateLoader::GetInstance(), $this->fixture);
  86
  87     $template = views\TemplateLoader::Fetch('cache_test');
  88     $this->assertEquals('This file should be cached.', $template->template());
  89   }
  90 }