ValidateTest.php

<?php

namespace Drupal\Tests\file\Kernel;


/**
 * Tests the file_validate() function.
 *
 * @group file
 */
class ValidateTest extends FileManagedUnitTestBase {
    
    /**
     * Tests that the validators passed into are checked.
     */
    public function testCallerValidation() {
        $file = $this->createFile();
        // Empty validators.
        $this->assertEquals([], file_validate($file, []), 'Validating an empty array works successfully.');
        $this->assertFileHooksCalled([
            'validate',
        ]);
        // Use the file_test.module's test validator to ensure that passing tests
        // return correctly.
        file_test_reset();
        file_test_set_return('validate', []);
        $passing = [
            'file_test_validator' => [
                [],
            ],
        ];
        $this->assertEquals([], file_validate($file, $passing), 'Validating passes.');
        $this->assertFileHooksCalled([
            'validate',
        ]);
        // Now test for failures in validators passed in and by hook_validate.
        file_test_reset();
        file_test_set_return('validate', [
            'Epic fail',
        ]);
        $failing = [
            'file_test_validator' => [
                [
                    'Failed',
                    'Badly',
                ],
            ],
        ];
        $this->assertEquals([
            'Failed',
            'Badly',
            'Epic fail',
        ], file_validate($file, $failing), 'Validating returns errors.');
        $this->assertFileHooksCalled([
            'validate',
        ]);
    }
    
    /**
     * Tests hard-coded security check in file_validate().
     */
    public function testInsecureExtensions() {
        $file = $this->createFile('test.php', 'Invalid PHP');
        // Test that file_validate() will check for insecure extensions by default.
        $errors = file_validate($file, []);
        $this->assertEquals('For security reasons, your upload has been rejected.', $errors[0]);
        $this->assertFileHooksCalled([
            'validate',
        ]);
        file_test_reset();
        // Test that the 'allow_insecure_uploads' is respected.
        $this->config('system.file')
            ->set('allow_insecure_uploads', TRUE)
            ->save();
        $errors = file_validate($file, []);
        $this->assertEmpty($errors);
        $this->assertFileHooksCalled([
            'validate',
        ]);
    }

}