PHPUnit9.0 断言-assertStringEqualsFile()

assertStringEqualsFile(string $expectedFile, string $actualString[, string $message = ''])

PHPUnit9.0 断言集合

当 ​$expectedFile​ 所指定的文件其内容不是 ​$actualString​ 时报告错误，错误讯息由 ​$message​ 指定。
​assertStringNotEqualsFile()​ 是与之相反的断言，接受相同的参数。
示例 1.59 assertStringEqualsFile() 的用法

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

final class StringEqualsFileTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertStringEqualsFile('/home/sb/expected', 'actual');
    }
}

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

F

Time: 0 seconds, Memory: 5.25Mb

There was 1 failure:

1) StringEqualsFileTest::testFailure
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'expected
-'
+'actual'

/home/sb/StringEqualsFileTest.php:6

FAILURES!
Tests: 1, Assertions: 2, Failures: 1.