<?php
namespace Hamcrest\Arrays;

use Hamcrest\AbstractMatcherTest;

class IsArrayContainingKeyValuePairTest extends AbstractMatcherTest
{

    protected function createMatcher()
    {
        return IsArrayContainingKeyValuePair::hasKeyValuePair('irrelevant', 'irrelevant');
    }

    public function testMatchesArrayContainingMatchingKeyAndValue()
    {
        $array = array('a'=>1, 'b'=>2);

        $this->assertMatches(hasKeyValuePair(equalTo('a'), equalTo(1)), $array, 'matcherA');
        $this->assertMatches(hasKeyValuePair(equalTo('b'), equalTo(2)), $array, 'matcherB');
        $this->assertMismatchDescription(
            'array was ["a" => <1>, "b" => <2>]',
            hasKeyValuePair(equalTo('c'), equalTo(3)),
            $array
        );
    }

    public function testDoesNotMatchNull()
    {
        $this->assertMismatchDescription('was null', hasKeyValuePair(anything(), anything()), null);
    }

    public function testHasReadableDescription()
    {
        $this->assertDescription('array containing ["a" => <2>]', hasKeyValuePair(equalTo('a'), equalTo(2)));
    }
}