class Twig_Tests_Node_Expression_FilterTest

class Twig_Tests_Node_Expression_FilterTest extends Twig_Tests_Node_TestCase {

  /**
   * @covers Twig_Node_Expression_Filter::__construct
   */
  public function testConstructor() {
    $expr = new Twig_Node_Expression_Constant('foo', 0);
    $name = new Twig_Node_Expression_Constant('upper', 0);
    $args = new Twig_Node();
    $node = new Twig_Node_Expression_Filter($expr, $name, $args, 0);
    $this
      ->assertEquals($expr, $node
      ->getNode('node'));
    $this
      ->assertEquals($name, $node
      ->getNode('filter'));
    $this
      ->assertEquals($args, $node
      ->getNode('arguments'));
  }

  /**
   * @covers Twig_Node_Expression_Filter::compile
   * @dataProvider getTests
   */
  public function testCompile($node, $source, $environment = null) {
    parent::testCompile($node, $source, $environment);
    $expr = new Twig_Node_Expression_Constant('foo', 0);
    $node = $this
      ->createFilter($expr, 'foobar', array(
      new Twig_Node_Expression_Constant('bar', 0),
      new Twig_Node_Expression_Constant('foobar', 0),
    ));
    try {
      $node
        ->compile($this
        ->getCompiler());
      $this
        ->fail();
    } catch (Exception $e) {
      $this
        ->assertEquals('Twig_Error_Syntax', get_class($e));
    }
  }
  public function getTests() {
    $tests = array();
    $expr = new Twig_Node_Expression_Constant('foo', 0);
    $node = $this
      ->createFilter($expr, 'upper');
    $node = $this
      ->createFilter($node, 'lower', array(
      new Twig_Node_Expression_Constant('bar', 0),
      new Twig_Node_Expression_Constant('foobar', 0),
    ));
    if (function_exists('mb_get_info')) {
      $tests[] = array(
        $node,
        'twig_lower_filter($this->env, twig_upper_filter($this->env, "foo"), "bar", "foobar")',
      );
    }
    else {
      $tests[] = array(
        $node,
        'strtolower(strtoupper("foo"), "bar", "foobar")',
      );
    }
    return $tests;
  }

  /**
   * @covers Twig_Node_Expression_Filter::compile
   * @expectedException        Twig_Error_Syntax
   * @expectedExceptionMessage The filter "uppe" does not exist. Did you mean "upper" at line 0
   */
  public function testUnknownFilter() {
    $node = $this
      ->createFilter(new Twig_Node_Expression_Constant('foo', 0), 'uppe');
    $node
      ->compile($this
      ->getCompiler());
  }
  protected function createFilter($node, $name, array $arguments = array()) {
    $name = new Twig_Node_Expression_Constant($name, 0);
    $arguments = new Twig_Node($arguments);
    return new Twig_Node_Expression_Filter($node, $name, $arguments, 0);
  }

}