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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Framework\Constraint;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\Small;
use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\NativeType;
use PHPUnit\Framework\TestCase;
use stdClass;
#[CoversClass(TraversableContainsOnly::class)]
#[CoversClass(Constraint::class)]
#[Small]
final class TraversableContainsOnlyTest extends TestCase
{
public static function nativeTypeProvider(): array
{
return [
[
true,
'',
NativeType::Int,
[0, 1, 2],
],
[
false,
<<<'EOT'
Failed asserting that Array &0 [
0 => 0,
1 => '1',
2 => 2,
] contains only values of type "int".
EOT,
NativeType::Int,
[0, '1', 2],
],
];
}
public static function classOrInterfaceProvider(): array
{
return [
[
true,
'',
stdClass::class,
[new stdClass, new stdClass],
],
[
false,
<<<'EOT'
Failed asserting that Array &0 [
0 => null,
] contains only values of type "stdClass".
EOT,
stdClass::class,
[null],
],
];
}
#[DataProvider('nativeTypeProvider')]
public function testCanBeEvaluatedForNativeType(bool $result, string $failureDescription, NativeType $expected, mixed $actual): void
{
$constraint = TraversableContainsOnly::forNativeType($expected);
$this->assertSame($result, $constraint->evaluate($actual, returnResult: true));
if ($result) {
return;
}
$this->expectException(ExpectationFailedException::class);
$this->expectExceptionMessage($failureDescription);
$constraint->evaluate($actual);
}
/**
* @param class-string $expected
*/
#[DataProvider('classOrInterfaceProvider')]
public function testCanBeEvaluatedForClassOrInterface(bool $result, string $failureDescription, string $expected, mixed $actual): void
{
$constraint = TraversableContainsOnly::forClassOrInterface($expected);
$this->assertSame($result, $constraint->evaluate($actual, returnResult: true));
if ($result) {
return;
}
$this->expectException(ExpectationFailedException::class);
$this->expectExceptionMessage($failureDescription);
$constraint->evaluate($actual);
}
public function testCanBeRepresentedAsStringForNativeType(): void
{
$this->assertSame('contains only values of type "int"', TraversableContainsOnly::forNativeType(NativeType::Int)->toString());
}
public function testCanBeRepresentedAsStringForClassOrInterface(): void
{
$this->assertSame('contains only values of type "stdClass"', TraversableContainsOnly::forClassOrInterface(stdClass::class)->toString());
}
public function testIsCountable(): void
{
$this->assertCount(1, TraversableContainsOnly::forNativeType(NativeType::Int));
}
}
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