Developer
<?php
namespace Hamcrest\Arrays;
use Hamcrest\AbstractMatcherTest;
class IsArrayContainingKeyTest extends AbstractMatcherTest
{
protected function createMatcher()
{
return IsArrayContainingKey::hasKeyInArray('irrelevant');
}
public function testMatchesSingleElementArrayContainingKey()
{
$array = array('a'=>1);
$this->assertMatches(hasKey('a'), $array, 'Matches single key');
}
public function testMatchesArrayContainingKey()
{
$array = array('a'=>1, 'b'=>2, 'c'=>3);
$this->assertMatches(hasKey('a'), $array, 'Matches a');
$this->assertMatches(hasKey('c'), $array, 'Matches c');
}
public function testMatchesArrayContainingKeyWithIntegerKeys()
{
$array = array(1=>'A', 2=>'B');
assertThat($array, hasKey(1));
}
public function testMatchesArrayContainingKeyWithNumberKeys()
{
$array = array(1=>'A', 2=>'B');
assertThat($array, hasKey(1));
// very ugly version!
assertThat($array, IsArrayContainingKey::hasKeyInArray(2));
}
public function testHasReadableDescription()
{
$this->assertDescription('array with key "a"', hasKey('a'));
}
public function testDoesNotMatchEmptyArray()
{
$this->assertMismatchDescription('array was []', hasKey('Foo'), array());
}
public function testDoesNotMatchArrayMissingKey()
{
$array = array('a'=>1, 'b'=>2, 'c'=>3);
$this->assertMismatchDescription('array was ["a" => <1>, "b" => <2>, "c" => <3>]', hasKey('d'), $array);
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: