Repository: symfony/symfony
File: src/Symfony/Component/ObjectMapper/Tests/ObjectMapperTest.php (PHP)

Code before:
            {
                return isset($this->factories[$id]);
            }

            public function get(string $id): mixed
            {
                return $this->factories[$id];
            }
        };
    }

    public function testSourceOnly()
    {
        $a = new \stdClass();
        $a->name = 'test';
        $mapper = new ObjectMapper();
        $mapped = $mapper->map($a, SourceOnly::class);
        $this->assertInstanceOf(SourceOnly::class, $mapped);
        $this->assertSame('test', $mapped->mappedName);
    }

    public function testSourceOnlyWithMagicMethods()
    {
        $mapper = new ObjectMapper();
        $a = new class {
            public function __isset(string $key): bool {
                return $key === 'name';
            }

            public function __get(string $key): string
            {
                return match ($key) {
                    'name' => 'test',
                    default => throw new \LogicException($key),
                };
            }
        };

        $mapped = $mapper->map($a, SourceOnly::class);
        $this->assertInstanceOf(SourceOnly::class, $mapped);
        $this->assertSame('test', $mapped->mappedName);
    }

    public function testTransformToWrongValueType()
    {
        $this->expectException(MappingTransformException::class);
        $this->expectExceptionMessage('Cannot map "stdClass" to a non-object target of type "string".');

        $u = new \stdClass();
        $u->foo = 'bar';


Review comment (suggestion):
```suggestion
            public function __isset($key): bool
            {
```

Code after:
            {
                return isset($this->factories[$id]);
            }

            public function get(string $id): mixed
            {
                return $this->factories[$id];
            }
        };
    }

    public function testSourceOnly()
    {
        $a = new \stdClass();
        $a->name = 'test';
        $mapper = new ObjectMapper();
        $mapped = $mapper->map($a, SourceOnly::class);
        $this->assertInstanceOf(SourceOnly::class, $mapped);
        $this->assertSame('test', $mapped->mappedName);
    }

    public function testSourceOnlyWithMagicMethods()
    {
        $mapper = new ObjectMapper();
        $a = new class {
            public function __isset($key): bool
            {
                return 'name' === $key;
            }

            public function __get(string $key): string
            {
                return match ($key) {
                    'name' => 'test',
                    default => throw new \LogicException($key),
                };
            }
        };

        $mapped = $mapper->map($a, SourceOnly::class);
        $this->assertInstanceOf(SourceOnly::class, $mapped);
        $this->assertSame('test', $mapped->mappedName);
    }

    public function testTransformToWrongValueType()
    {
        $this->expectException(MappingTransformException::class);
        $this->expectExceptionMessage('Cannot map "stdClass" to a non-object target of type "string".');

        $u = new \stdClass();
        $u->foo = 'bar';