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<?php
namespace React\Promise;
use PHPUnit\Framework\MockObject\MockBuilder;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase as BaseTestCase;
class TestCase extends BaseTestCase
{
public function expectCallableExactly(int $amount): callable
{
$mock = $this->createCallableMock();
$mock->expects(self::exactly($amount))->method('__invoke');
assert(is_callable($mock));
return $mock;
}
public function expectCallableOnce(): callable
{
$mock = $this->createCallableMock();
$mock->expects(self::once())->method('__invoke');
assert(is_callable($mock));
return $mock;
}
public function expectCallableNever(): callable
{
$mock = $this->createCallableMock();
$mock->expects(self::never())->method('__invoke');
assert(is_callable($mock));
return $mock;
}
/** @return MockObject&callable */
protected function createCallableMock(): MockObject
{
$builder = $this->getMockBuilder(\stdClass::class);
if (method_exists($builder, 'addMethods')) {
// PHPUnit 9+
$mock = $builder->addMethods(['__invoke'])->getMock();
} else {
// legacy PHPUnit 4 - PHPUnit 9
$mock = $builder->setMethods(['__invoke'])->getMock();
}
assert($mock instanceof MockObject && is_callable($mock));
return $mock;
}
}
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