PHPUnit9.0 断言-assertArrayHasKey()

assertArrayHasKey(mixed $key, array $array[, string $message = ''])

PHPUnit9.0 断言集合

当 ​$array​ 不包含 ​$key​ 时报告错误，错误讯息由 ​$message​ 指定。
​assertArrayNotHasKey()​ 是与之相反的断言，接受相同的参数。
示例 1.1 assertArrayHasKey() 的用法

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

final class ArrayHasKeyTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertArrayHasKey('foo', ['bar' => 'baz']);
    }
}

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

F

Time: 0 seconds, Memory: 5.00Mb

There was 1 failure:

1) ArrayHasKeyTest::testFailure
Failed asserting that an array has the key 'foo'.

/home/sb/ArrayHasKeyTest.php:6

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