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<?php
declare(strict_types=1);
namespace Ramsey\Collection\Test\Tool;
use DateTimeImmutable;
use Ramsey\Collection\Test\TestCase;
use Ramsey\Collection\Test\Tool\Mock\ObjectWithInvoke;
use Ramsey\Collection\Test\Tool\Mock\ObjectWithToString;
use Ramsey\Collection\Tool\ValueToStringTrait;
use stdClass;
use function get_resource_type;
use function opendir;
/**
* Tests for ValueToStringTrait
*/
class ValueToStringTraitTest extends TestCase
{
use ValueToStringTrait;
public function testValueNull(): void
{
$this->assertSame('NULL', $this->toolValueToString(null));
}
public function testValueBoolean(): void
{
$this->assertSame('TRUE', $this->toolValueToString(true));
$this->assertSame('FALSE', $this->toolValueToString(false));
}
public function testValueArray(): void
{
$this->assertSame('Array', $this->toolValueToString([]));
}
public function testValueScalar(): void
{
$this->assertSame('', $this->toolValueToString(''));
$this->assertSame('foo', $this->toolValueToString('foo'));
$this->assertSame('9', $this->toolValueToString(9));
}
public function testValueResource(): void
{
// get_resource_type behaves different on php and hhvm
$resource = opendir(__DIR__);
$this->assertIsResource($resource);
$expected = '(' . get_resource_type($resource) . ' resource #' . (int) $resource . ')';
$this->assertSame($expected, $this->toolValueToString($resource));
}
public function testValueObjectWithToString(): void
{
$this->assertSame('BAZ', $this->toolValueToString(new ObjectWithToString()));
}
public function testValueDateTime(): void
{
// datetimes are objects but are returned as iso dates, not as generic objects
$expected = '2016-12-31T23:59:59+00:00';
$date = new DateTimeImmutable('2016-12-31T23:59:59+00:00');
$this->assertSame($expected, $this->toolValueToString($date));
}
public function testValueObject(): void
{
$expected = '(stdClass Object)';
$value = new stdClass();
$casted = $this->toolValueToString($value);
$this->assertSame($expected, $casted);
}
public function testValueClosure(): void
{
// do not return a message like 'callable', cast it as object
$startWith = '(Closure';
$endsWith = ' Object)';
$value = fn (): bool => false;
$casted = $this->toolValueToString($value);
$this->assertStringStartsWith($startWith, $casted);
$this->assertStringEndsWith($endsWith, $casted);
}
public function testValueObjectWithInvoke(): void
{
// the object has a public __invoke method, is detected as callable
// do not return a message like 'callable', cast it as object
$startWith = '(' . ObjectWithInvoke::class . ' ';
$endsWith = ' Object)';
$value = new ObjectWithInvoke();
$casted = $this->toolValueToString($value);
$this->assertStringStartsWith($startWith, $casted);
$this->assertStringEndsWith($endsWith, $casted);
}
}
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