class TermValidationTest

class TermValidationTest extends EntityKernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'taxonomy',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('taxonomy_term');
    }
    
    /**
     * Tests the term validation constraints.
     */
    public function testValidation() {
        $this->entityTypeManager
            ->getStorage('taxonomy_vocabulary')
            ->create([
            'vid' => 'tags',
            'name' => 'Tags',
        ])
            ->save();
        $term = $this->entityTypeManager
            ->getStorage('taxonomy_term')
            ->create([
            'name' => 'test',
            'vid' => 'tags',
        ]);
        $violations = $term->validate();
        $this->assertCount(0, $violations, 'No violations when validating a default term.');
        $term->set('name', $this->randomString(256));
        $violations = $term->validate();
        $this->assertCount(1, $violations, 'Violation found when name is too long.');
        $this->assertEquals('name.0.value', $violations[0]->getPropertyPath());
        $field_label = $term->get('name')
            ->getFieldDefinition()
            ->getLabel();
        $this->assertEquals(t('%name: may not be longer than @max characters.', [
            '%name' => $field_label,
            '@max' => 255,
        ]), $violations[0]->getMessage());
        $term->set('name', NULL);
        $violations = $term->validate();
        $this->assertCount(1, $violations, 'Violation found when name is NULL.');
        $this->assertEquals('name', $violations[0]->getPropertyPath());
        $this->assertEquals('This value should not be null.', $violations[0]->getMessage());
        $term->set('name', 'test');
        $term->set('parent', 9999);
        $violations = $term->validate();
        $this->assertCount(1, $violations, 'Violation found when term parent is invalid.');
        $this->assertEquals(new FormattableMarkup('The referenced entity (%type: %id) does not exist.', [
            '%type' => 'taxonomy_term',
            '%id' => 9999,
        ]), $violations[0]->getMessage());
        $term->set('parent', 0);
        $violations = $term->validate();
        $this->assertCount(0, $violations, 'No violations for parent id 0.');
    }

}