PHPUnit9.0 斷言-assertFileIsWritable()

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

PHPUnit9.0 斷言集合

當(dāng) ?$filename? 所指定的文件不是個文件或不可寫時報告錯誤，錯誤訊息由 ?$message? 指定。
?assertFileIsNotWritable()? 是與之相反的斷言，接受相同的參數(shù)。
示例 1.27 assertFileIsWritable() 的用法

<?php declare(strict_types=1);
use PHPUnit\Framework\TestCase;

final class FileIsWritableTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertFileIsWritable('/path/to/file');
    }
}

$ phpunit FileIsWritableTest
PHPUnit latest.0 by Sebastian Bergmann and contributors.

F

Time: 0 seconds, Memory: 4.75Mb

There was 1 failure:

1) FileIsWritableTest::testFailure
Failed asserting that "/path/to/file" is writable.

/home/sb/FileIsWritableTest.php:6

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.