assertIsWritable()


assertIsWritable(string $filename[, string $message = ''])

当 $filename 所指定的文件或目录不可写时报告错误，错误讯息由 $message 指定。

assertNotIsWritable() 是与之相反的断言，并接受相同的参数。


例 A.32: assertIsWritable() 的用法

  1. <?php
  2. use PHPUnit\Framework\TestCase;
  3.  
  4. class IsWritableTest extends TestCase
  5. {
  6.     public function testFailure()
  7.     {
  8.         $this->assertIsWritable('/path/to/unwritable');
  9.     }
  10. }
  11. ?>
  1. phpunit IsWritableTest
  2. PHPUnit 6.5.0 by Sebastian Bergmann and contributors.
  3.  
  4. F
  5.  
  6. Time: 0 seconds, Memory: 4.75Mb
  7.  
  8. There was 1 failure:
  9.  
  10. 1) IsWritableTest::testFailure
  11. Failed asserting that "/path/to/unwritable" is writable.
  12.  
  13. /home/sb/IsWritableTest.php:6
  14.  
  15. FAILURES!
  16. Tests: 1, Assertions: 1, Failures: 1.