ProperJsonValidatorTest.php

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<?php
 
use Drupal\dkan_data\Plugin\Validation\Constraint\ProperJsonValidator;
use Symfony\Component\Validator\Constraints\Count;
use Symfony\Component\Validator\Context\ExecutionContext;
use PHPUnit\Framework\TestCase;
 
class ProperJsonValidatorTest extends TestCase {
 
  public function testValidationSuccess() {
    $validator = $this->getMockBuilder(ProperJsonValidator::class)
      ->setMethods(["isProper"])
      ->getMock();
 
    $validator->expects($this->once())->method("isProper")->willReturn(['valid' => TRUE]);
 
    $context = $this->getMockBuilder(ExecutionContext::class)
      ->setMethods(["addViolation"])
      ->disableOriginalConstructor()
      ->getMock();
 
    $context->expects($this->never())->method("addViolation");
 
    $validator->initialize($context);
 
    $validator->validate([(object) ['value' => "{}"]], new Count(['min' => 1, 'max' => 2]));
  }
 
  public function testValidationFailure() {
    $validator = $this->getMockBuilder(ProperJsonValidator::class)
      ->setMethods(["isProper"])
      ->getMock();
 
    $validator->expects($this->once())
      ->method("isProper")
      ->willReturn(
              [
                'valid' => FALSE,
                'errors' => [
              ['message' => "yep"],
                ],
              ]
          );
 
    $context = $this->getMockBuilder(ExecutionContext::class)
      ->setMethods(["addViolation"])
      ->disableOriginalConstructor()
      ->getMock();
 
    $context->expects($this->once())->method("addViolation");
 
    $validator->initialize($context);
 
    $validator->validate([(object) ['value' => "{}"]], new Count(['min' => 1, 'max' => 2]));
  }
 
}