AssetCollectionTest.php

<?php

/*
 * This file is part of the Assetic package, an OpenSky project.
 *
 * (c) 2010-2012 OpenSky Project Inc
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Assetic\Test\Asset;

use Assetic\Asset\StringAsset;
use Assetic\Asset\FileAsset;
use Assetic\Asset\AssetCollection;
use Assetic\Filter\CallablesFilter;
class AssetCollectionTest extends \PHPUnit_Framework_TestCase {
  public function testInterface() {
    $coll = new AssetCollection();
    $this
      ->assertInstanceOf('Assetic\\Asset\\AssetInterface', $coll, 'AssetCollection implements AssetInterface');
  }
  public function testLoadFilter() {
    $filter = $this
      ->getMock('Assetic\\Filter\\FilterInterface');
    $filter
      ->expects($this
      ->once())
      ->method('filterLoad');
    $coll = new AssetCollection(array(
      new StringAsset(''),
    ), array(
      $filter,
    ));
    $coll
      ->load();
  }
  public function testDumpFilter() {
    $filter = $this
      ->getMock('Assetic\\Filter\\FilterInterface');
    $filter
      ->expects($this
      ->once())
      ->method('filterDump');
    $coll = new AssetCollection(array(
      new StringAsset(''),
    ), array(
      $filter,
    ));
    $coll
      ->dump();
  }
  public function testNestedCollectionLoad() {
    $content = 'foobar';
    $count = 0;
    $matches = array();
    $filter = new CallablesFilter(function ($asset) use ($content, &$matches, &$count) {
      ++$count;
      if ($content == $asset
        ->getContent()) {
        $matches[] = $asset;
      }
    });
    $innerColl = new AssetCollection(array(
      new StringAsset($content),
    ));
    $outerColl = new AssetCollection(array(
      $innerColl,
    ), array(
      $filter,
    ));
    $outerColl
      ->load();
    $this
      ->assertEquals(1, count($matches), '->load() applies filters to leaves');
    $this
      ->assertEquals(1, $count, '->load() applies filters to leaves only');
  }
  public function testMixedIteration() {
    $asset = new StringAsset('asset');
    $nestedAsset = new StringAsset('nested');
    $innerColl = new AssetCollection(array(
      $nestedAsset,
    ));
    $contents = array();
    $filter = new CallablesFilter(function ($asset) use (&$contents) {
      $contents[] = $asset
        ->getContent();
    });
    $coll = new AssetCollection(array(
      $asset,
      $innerColl,
    ), array(
      $filter,
    ));
    $coll
      ->load();
    $this
      ->assertEquals(array(
      'asset',
      'nested',
    ), $contents, '->load() iterates over multiple levels');
  }
  public function testLoadDedupBySourceUrl() {
    $asset1 = new StringAsset('asset', array(), '/some/dir', 'foo.bar');
    $asset2 = new StringAsset('asset', array(), '/some/dir', 'foo.bar');
    $coll = new AssetCollection(array(
      $asset1,
      $asset2,
    ));
    $coll
      ->load();
    $this
      ->assertEquals('asset', $coll
      ->getContent(), '->load() detects duplicate assets based on source URL');
  }
  public function testLoadDedupByStrictEquality() {
    $asset = new StringAsset('foo');
    $coll = new AssetCollection(array(
      $asset,
      $asset,
    ));
    $coll
      ->load();
    $this
      ->assertEquals('foo', $coll
      ->getContent(), '->load() detects duplicate assets based on strict equality');
  }
  public function testDumpDedupBySourceUrl() {
    $asset1 = new StringAsset('asset', array(), '/some/dir', 'foo.bar');
    $asset2 = new StringAsset('asset', array(), '/some/dir', 'foo.bar');
    $coll = new AssetCollection(array(
      $asset1,
      $asset2,
    ));
    $coll
      ->load();
    $this
      ->assertEquals('asset', $coll
      ->dump(), '->dump() detects duplicate assets based on source URL');
  }
  public function testDumpDedupByStrictEquality() {
    $asset = new StringAsset('foo');
    $coll = new AssetCollection(array(
      $asset,
      $asset,
    ));
    $coll
      ->load();
    $this
      ->assertEquals('foo', $coll
      ->dump(), '->dump() detects duplicate assets based on strict equality');
  }
  public function testIterationFilters() {
    $count = 0;
    $filter = new CallablesFilter(function () use (&$count) {
      ++$count;
    });
    $coll = new AssetCollection();
    $coll
      ->add(new StringAsset(''));
    $coll
      ->ensureFilter($filter);
    foreach ($coll as $asset) {
      $asset
        ->dump();
    }
    $this
      ->assertEquals(1, $count, 'collection filters are called when child assets are iterated over');
  }
  public function testSetContent() {
    $coll = new AssetCollection();
    $coll
      ->setContent('asdf');
    $this
      ->assertEquals('asdf', $coll
      ->getContent(), '->setContent() sets the content');
  }

  /**
   * @dataProvider getTimestampsAndExpected
   */
  public function testGetLastModified($timestamps, $expected) {
    $assets = array();
    for ($i = 0; $i < count($timestamps); $i++) {
      $asset = $this
        ->getMock('Assetic\\Asset\\AssetInterface');
      $asset
        ->expects($this
        ->once())
        ->method('getLastModified')
        ->will($this
        ->returnValue($timestamps[$i]));
      $assets[$i] = $asset;
    }
    $coll = new AssetCollection($assets);
    $this
      ->assertEquals($expected, $coll
      ->getLastModified(), '->getLastModifed() returns the highest last modified');
  }
  public function testGetLastModifiedWithValues() {
    $vars = array(
      'locale',
    );
    $asset = new FileAsset(__DIR__ . '/../Fixture/messages.{locale}.js', array(), null, null, $vars);
    $coll = new AssetCollection(array(
      $asset,
    ), array(), null, $vars);
    $coll
      ->setValues(array(
      'locale' => 'en',
    ));
    try {
      $coll
        ->getLastModified();
    } catch (\InvalidArgumentException $e) {
      $this
        ->fail("->getLastModified() shouldn't fail for assets with vars");
    }
  }
  public function getTimestampsAndExpected() {
    return array(
      array(
        array(
          1,
          2,
          3,
        ),
        3,
      ),
      array(
        array(
          5,
          4,
          3,
        ),
        5,
      ),
      array(
        array(
          3,
          8,
          5,
        ),
        8,
      ),
      array(
        array(
          3,
          8,
          null,
        ),
        8,
      ),
    );
  }
  public function testRecursiveIteration() {
    $asset1 = $this
      ->getMock('Assetic\\Asset\\AssetInterface');
    $asset2 = $this
      ->getMock('Assetic\\Asset\\AssetInterface');
    $asset3 = $this
      ->getMock('Assetic\\Asset\\AssetInterface');
    $asset4 = $this
      ->getMock('Assetic\\Asset\\AssetInterface');
    $coll3 = new AssetCollection(array(
      $asset1,
      $asset2,
    ));
    $coll2 = new AssetCollection(array(
      $asset3,
      $coll3,
    ));
    $coll1 = new AssetCollection(array(
      $asset4,
      $coll2,
    ));
    $i = 0;
    foreach ($coll1 as $a) {
      $i++;
    }
    $this
      ->assertEquals(4, $i, 'iteration with a recursive iterator is recursive');
  }
  public function testRecursiveDeduplication() {
    $asset = $this
      ->getMock('Assetic\\Asset\\AssetInterface');
    $coll3 = new AssetCollection(array(
      $asset,
      $asset,
    ));
    $coll2 = new AssetCollection(array(
      $asset,
      $coll3,
    ));
    $coll1 = new AssetCollection(array(
      $asset,
      $coll2,
    ));
    $i = 0;
    foreach ($coll1 as $a) {
      $i++;
    }
    $this
      ->assertEquals(1, $i, 'deduplication is performed recursively');
  }
  public function testIteration() {
    $asset1 = new StringAsset('asset1', array(), '/some/dir', 'foo.css');
    $asset2 = new StringAsset('asset2', array(), '/some/dir', 'foo.css');
    $asset3 = new StringAsset('asset3', array(), '/some/dir', 'bar.css');
    $coll = new AssetCollection(array(
      $asset1,
      $asset2,
      $asset3,
    ));
    $count = 0;
    foreach ($coll as $a) {
      ++$count;
    }
    $this
      ->assertEquals(2, $count, 'iterator filters duplicates based on url');
  }
  public function testBasenameCollision() {
    $asset1 = new StringAsset('asset1', array(), '/some/dir', 'foo/foo.css');
    $asset2 = new StringAsset('asset2', array(), '/some/dir', 'bar/foo.css');
    $coll = new AssetCollection(array(
      $asset1,
      $asset2,
    ));
    $urls = array();
    foreach ($coll as $leaf) {
      $urls[] = $leaf
        ->getTargetPath();
    }
    $this
      ->assertEquals(2, count(array_unique($urls)), 'iterator prevents basename collisions');
  }
  public function testEmptyMtime() {
    $coll = new AssetCollection();
    $this
      ->assertNull($coll
      ->getLastModified(), '->getLastModified() returns null on empty collection');
  }
  public function testLeafManipulation() {
    $coll = new AssetCollection(array(
      new StringAsset('asdf'),
    ));
    foreach ($coll as $leaf) {
      $leaf
        ->setTargetPath('asdf');
    }
    foreach ($coll as $leaf) {
      $this
        ->assertEquals('asdf', $leaf
        ->getTargetPath(), 'leaf changes persist between iterations');
    }
  }
  public function testRemoveLeaf() {
    $coll = new AssetCollection(array(
      $leaf = new StringAsset('asdf'),
    ));
    $this
      ->assertTrue($coll
      ->removeLeaf($leaf));
  }
  public function testRemoveRecursiveLeaf() {
    $coll = new AssetCollection(array(
      new AssetCollection(array(
        $leaf = new StringAsset('asdf'),
      )),
    ));
    $this
      ->assertTrue($coll
      ->removeLeaf($leaf));
  }
  public function testRemoveInvalidLeaf() {
    $this
      ->setExpectedException('InvalidArgumentException');
    $coll = new AssetCollection();
    $coll
      ->removeLeaf(new StringAsset('asdf'));
  }
  public function testReplaceLeaf() {
    $coll = new AssetCollection(array(
      $leaf = new StringAsset('asdf'),
    ));
    $this
      ->assertTrue($coll
      ->replaceLeaf($leaf, new StringAsset('foo')));
  }
  public function testReplaceRecursiveLeaf() {
    $coll = new AssetCollection(array(
      new AssetCollection(array(
        $leaf = new StringAsset('asdf'),
      )),
    ));
    $this
      ->assertTrue($coll
      ->replaceLeaf($leaf, new StringAsset('foo')));
  }
  public function testReplaceInvalidLeaf() {
    $this
      ->setExpectedException('InvalidArgumentException');
    $coll = new AssetCollection();
    $coll
      ->replaceLeaf(new StringAsset('foo'), new StringAsset('bar'));
  }

}