assertFileExists()
最后更新于：2022-04-01 03:47:30
# assertFileExists()
>[info] ## assertFileExists(string $filename[, string $message = ''])
当 `$filename` 所指定的文件不存在时报告错误，错误讯息由 `$message` 指定。
`assertFileNotExists()` 是与之相反的断言，接受相同的参数。
**Example A.20. assertFileExists() 的用法**
~~~
<?php
class FileExistsTest extends PHPUnit_Framework_TestCase
{
public function testFailure()
{
$this->assertFileExists('/path/to/file');
}
}
?>
~~~
~~~
phpunit FileExistsTest
PHPUnit 5.0.0 by Sebastian Bergmann and contributors.
F
Time: 0 seconds, Memory: 4.75Mb
There was 1 failure:
1) FileExistsTest::testFailure
Failed asserting that file "/path/to/file" exists.
/home/sb/FileExistsTest.php:6
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.
~~~