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<?php
namespace Hamcrest;

class SampleSelfDescriber implements HamcrestSelfDescribing
{
    private $_text;

    public function __construct($text)
    {
        $this->_text = $text;
    }

    public function describeTo(HamcrestDescription $description)
    {
        $description->appendText($this->_text);
    }
}

class StringDescriptionTest extends PhpUnit_Framework_TestCase
{

    private $_description;

    public function setUp()
    {
        $this->_description = new HamcrestStringDescription();
    }

    public function testAppendTextAppendsTextInformation()
    {
        $this->_description->appendText('foo')->appendText('bar');
        $this->assertEquals('foobar', (string) $this->_description);
    }

    public function testAppendValueCanAppendTextTypes()
    {
        $this->_description->appendValue('foo');
        $this->assertEquals('"foo"', (string) $this->_description);
    }

    public function testSpecialCharactersAreEscapedForStringTypes()
    {
        $this->_description->appendValue("foo\bar"ziprn");
        $this->assertEquals('"foo\bar\"ziprn"', (string) $this->_description);
    }

    public function testIntegerValuesCanBeAppended()
    {
        $this->_description->appendValue(42);
        $this->assertEquals('<42>', (string) $this->_description);
    }

    public function testFloatValuesCanBeAppended()
    {
        $this->_description->appendValue(42.78);
        $this->assertEquals('<42.78F>', (string) $this->_description);
    }

    public function testNullValuesCanBeAppended()
    {
        $this->_description->appendValue(null);
        $this->assertEquals('null', (string) $this->_description);
    }

    public function testArraysCanBeAppended()
    {
        $this->_description->appendValue(array('foo', 42.78));
        $this->assertEquals('["foo", <42.78F>]', (string) $this->_description);
    }

    public function testObjectsCanBeAppended()
    {
        $this->_description->appendValue(new stdClass());
        $this->assertEquals('<stdClass>', (string) $this->_description);
    }

    public function testBooleanValuesCanBeAppended()
    {
        $this->_description->appendValue(false);
        $this->assertEquals('<false>', (string) $this->_description);
    }

    public function testListsOfvaluesCanBeAppended()
    {
        $this->_description->appendValue(array('foo', 42.78));
        $this->assertEquals('["foo", <42.78F>]', (string) $this->_description);
    }

    public function testIterableOfvaluesCanBeAppended()
    {
        $items = new ArrayObject(array('foo', 42.78));
        $this->_description->appendValue($items);
        $this->assertEquals('["foo", <42.78F>]', (string) $this->_description);
    }

    public function testIteratorOfvaluesCanBeAppended()
    {
        $items = new ArrayObject(array('foo', 42.78));
        $this->_description->appendValue($items->getIterator());
        $this->assertEquals('["foo", <42.78F>]', (string) $this->_description);
    }

    public function testListsOfvaluesCanBeAppendedManually()
    {
        $this->_description->appendValueList('@start@', '@sep@ ', '@end@', array('foo', 42.78));
        $this->assertEquals('@start@"foo"@sep@ <42.78F>@end@', (string) $this->_description);
    }

    public function testIterableOfvaluesCanBeAppendedManually()
    {
        $items = new ArrayObject(array('foo', 42.78));
        $this->_description->appendValueList('@start@', '@sep@ ', '@end@', $items);
        $this->assertEquals('@start@"foo"@sep@ <42.78F>@end@', (string) $this->_description);
    }

    public function testIteratorOfvaluesCanBeAppendedManually()
    {
        $items = new ArrayObject(array('foo', 42.78));
        $this->_description->appendValueList('@start@', '@sep@ ', '@end@', $items->getIterator());
        $this->assertEquals('@start@"foo"@sep@ <42.78F>@end@', (string) $this->_description);
    }

    public function testSelfDescribingObjectsCanBeAppended()
    {
        $this->_description
            ->appendDescriptionOf(new HamcrestSampleSelfDescriber('foo'))
            ->appendDescriptionOf(new HamcrestSampleSelfDescriber('bar'))
            ;
        $this->assertEquals('foobar', (string) $this->_description);
    }

    public function testSelfDescribingObjectsCanBeAppendedAsLists()
    {
        $this->_description->appendList('@start@', '@sep@ ', '@end@', array(
            new HamcrestSampleSelfDescriber('foo'),
            new HamcrestSampleSelfDescriber('bar')
        ));
        $this->assertEquals('@start@foo@sep@ bar@end@', (string) $this->_description);
    }

    public function testSelfDescribingObjectsCanBeAppendedAsIteratedLists()
    {
        $items = new ArrayObject(array(
            new HamcrestSampleSelfDescriber('foo'),
            new HamcrestSampleSelfDescriber('bar')
        ));
        $this->_description->appendList('@start@', '@sep@ ', '@end@', $items);
        $this->assertEquals('@start@foo@sep@ bar@end@', (string) $this->_description);
    }

    public function testSelfDescribingObjectsCanBeAppendedAsIterators()
    {
        $items = new ArrayObject(array(
            new HamcrestSampleSelfDescriber('foo'),
            new HamcrestSampleSelfDescriber('bar')
        ));
        $this->_description->appendList('@start@', '@sep@ ', '@end@', $items->getIterator());
        $this->assertEquals('@start@foo@sep@ bar@end@', (string) $this->_description);
    }
}