class PasswordItemTest

class PasswordItemTest extends FieldKernelTestBase {
    
    /**
     * A field storage to use in this test class.
     *
     * @var \Drupal\field\Entity\FieldStorageConfig
     */
    protected $fieldStorage;
    
    /**
     * The field used in this test class.
     *
     * @var \Drupal\field\Entity\FieldConfig
     */
    protected $field;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->fieldStorage = FieldStorageConfig::create([
            'field_name' => 'test_field',
            'entity_type' => 'entity_test',
            'type' => 'password',
        ]);
        $this->fieldStorage
            ->save();
        $this->field = FieldConfig::create([
            'field_storage' => $this->fieldStorage,
            'bundle' => 'entity_test',
            'required' => TRUE,
        ]);
        $this->field
            ->save();
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSavePreHashed() {
        $entity = EntityTest::create([
            'name' => $this->randomString(),
        ]);
        $entity->test_field = 'this_is_not_a_real_hash';
        $entity->test_field->pre_hashed = TRUE;
        $entity->save();
        $this->assertSame('this_is_not_a_real_hash', $entity->test_field->value);
        $this->assertFalse($entity->test_field->pre_hashed);
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveNewNull() {
        $entity = EntityTest::create([
            'name' => $this->randomString(),
        ]);
        $entity->test_field = NULL;
        $entity->save();
        $this->assertNull($entity->test_field->value);
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveNewEmptyString() {
        $entity = EntityTest::create([
            'name' => $this->randomString(),
        ]);
        $entity->test_field = '';
        $entity->save();
        // The string starts with the portable password string and is a hash of an
        // empty string.
        $this->assertStringStartsWith('$S$', $entity->test_field->value);
        $this->assertTrue($this->container
            ->get('password')
            ->check('', $entity->test_field->value));
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveNewMultipleSpacesString() {
        $entity = EntityTest::create([
            'name' => $this->randomString(),
        ]);
        $entity->test_field = '       ';
        $entity->save();
        // The string starts with the portable password string and is a hash of an
        // empty string.
        $this->assertStringStartsWith('$S$', $entity->test_field->value);
        $this->assertTrue($this->container
            ->get('password')
            ->check('', $entity->test_field->value));
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveExistingNull() {
        $entity = EntityTest::create();
        $entity->test_field = $this->randomString();
        $entity->save();
        $this->assertNotNull($entity->test_field->value);
        $entity->test_field = NULL;
        $entity->save();
        $this->assertNull($entity->test_field->value);
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveExistingEmptyString() {
        $entity = EntityTest::create();
        $entity->test_field = $this->randomString();
        $entity->save();
        $hashed_password = $entity->test_field->value;
        $entity->test_field = '';
        $entity->save();
        $this->assertSame($hashed_password, $entity->test_field->value);
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveExistingMultipleSpacesString() {
        $entity = EntityTest::create();
        $entity->test_field = $this->randomString();
        $entity->save();
        $entity->test_field = '     ';
        $entity->save();
        // @todo Fix this bug in https://www.drupal.org/project/drupal/issues/3238399.
        $this->assertSame('     ', $entity->test_field->value);
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveExceptionNew() {
        $entity = EntityTest::create();
        $entity->test_field = str_repeat('a', PasswordInterface::PASSWORD_MAX_LENGTH + 1);
        $this->expectException(EntityStorageException::class);
        $this->expectExceptionMessage('The entity does not have a password');
        $entity->save();
    }
    
    /**
     * @covers ::preSave
     */
    public function testPreSaveExceptionExisting() {
        $entity = EntityTest::create();
        $entity->test_field = 'will_be_hashed';
        $entity->save();
        $this->assertNotEquals('will_be_hashed', $entity->test_field->value);
        $this->expectException(EntityStorageException::class);
        $this->expectExceptionMessage('The entity does not have a password');
        $entity->test_field = str_repeat('a', PasswordInterface::PASSWORD_MAX_LENGTH + 1);
        $entity->save();
    }

}