PHPUnit9.0 断言-assertFileEquals()

assertFileEquals(string $expected, string $actual[, string $message = ''])

PHPUnit9.0 断言集合

当 ​$expected​ 所指定的文件与 ​$actual​ 所指定的文件内容不同时报告错误，错误讯息由 ​$message​ 指定。
​assertFileNotEquals()​ 是与之相反的断言，接受相同的参数。
示例 1.24 assertFileEquals() 的用法

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

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

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

F

Time: 0 seconds, Memory: 5.25Mb

There was 1 failure:

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

/home/sb/FileEqualsTest.php:6

FAILURES!
Tests: 1, Assertions: 3, Failures: 1.