class FieldUninstallValidatorTest

class FieldUninstallValidatorTest extends UnitTestCase {
    
    /**
     * @var \Drupal\field\FieldUninstallValidator|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $fieldUninstallValidator;
    
    /**
     * The mock field type plugin manager.
     *
     * @var \Drupal\Core\Field\FieldTypePluginManagerInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $fieldTypePluginManager;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->fieldUninstallValidator = $this->getMockBuilder('Drupal\\field\\FieldUninstallValidator')
            ->disableOriginalConstructor()
            ->onlyMethods([
            'getFieldStoragesByModule',
            'getFieldTypeLabel',
        ])
            ->getMock();
        $this->fieldUninstallValidator
            ->setStringTranslation($this->getStringTranslationStub());
    }
    
    /**
     * @covers ::validate
     */
    public function testValidateNoStorages() {
        $this->fieldUninstallValidator
            ->expects($this->once())
            ->method('getFieldStoragesByModule')
            ->willReturn([]);
        $module = $this->randomMachineName();
        $expected = [];
        $reasons = $this->fieldUninstallValidator
            ->validate($module);
        $this->assertEquals($expected, $reasons);
    }
    
    /**
     * @covers ::validate
     */
    public function testValidateDeleted() {
        $field_storage = $this->getMockBuilder('Drupal\\field\\Entity\\FieldStorageConfig')
            ->disableOriginalConstructor()
            ->getMock();
        $field_storage->expects($this->once())
            ->method('isDeleted')
            ->willReturn(TRUE);
        $this->fieldUninstallValidator
            ->expects($this->once())
            ->method('getFieldStoragesByModule')
            ->willReturn([
            $field_storage,
        ]);
        $module = $this->randomMachineName();
        $expected = [
            'Fields pending deletion',
        ];
        $reasons = $this->fieldUninstallValidator
            ->validate($module);
        $this->assertEquals($expected, $reasons);
    }
    
    /**
     * @covers ::validate
     */
    public function testValidateNoDeleted() {
        $field_storage = $this->getMockBuilder('Drupal\\field\\Entity\\FieldStorageConfig')
            ->disableOriginalConstructor()
            ->getMock();
        $field_storage->expects($this->once())
            ->method('isDeleted')
            ->willReturn(FALSE);
        $field_type = $this->randomMachineName();
        $field_storage->expects($this->once())
            ->method('getType')
            ->willReturn($field_type);
        $field_name = $this->randomMachineName();
        $field_storage->expects($this->once())
            ->method('getLabel')
            ->willReturn($field_name);
        $this->fieldUninstallValidator
            ->expects($this->once())
            ->method('getFieldStoragesByModule')
            ->willReturn([
            $field_storage,
        ]);
        $field_type_label = $this->randomMachineName();
        $this->fieldUninstallValidator
            ->expects($this->once())
            ->method('getFieldTypeLabel')
            ->willReturn($field_type_label);
        $module = $this->randomMachineName();
        $expected = [
            "The <em class=\"placeholder\">{$field_type_label}</em> field type is used in the following field: {$field_name}",
        ];
        $reasons = $this->fieldUninstallValidator
            ->validate($module);
        $this->assertEquals($expected, $reasons);
    }

}