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phpunit断言-assertContainsOnly

发布时间：2021-10-01 19:15:34编辑：雪饮阅读（）

 assertContainsOnly断言也是断言包含的，但是它断言的是包含某个类型而不是包含某个值，并且是仅仅包含某个类型，不能有其它类型时候才算是断言成功。

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

final class ContainsOnlyTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertContainsOnly('string', ['1', '2', 3]);
    }
    public function testSuccess(): void
    {
        $this->assertContainsOnly('string', ['1', '2', '3']);
    }
}
运行结果：
C:\Users\Administrator>D:\phpstudy_pro\Extensions\php\php7.3.4nts\php.exe C:\Users\Administrator\PhpstormProjects\untitled\vendor\phpunit\phpunit\phpunit -c C:\Users\Administrator\PhpstormProjects\untitled\organizing\phpunit.xml C:\Users\Administrator\PhpstormProjects\untitled\organizing\tests\ContainsOnlyTest.php
PHPUnit 9.5.8 by Sebastian Bergmann and contributors.
 
F.                                                                  2 / 2 (100%)
 
Time: 00:00.011, Memory: 4.00 MB
 
There was 1 failure:
 
1) ContainsOnlyTest::testFailure
Failed asserting that Array &0 (
    0 => '1'
    1 => '2'
    2 => 3
) contains only values of type "string".
 
C:\Users\Administrator\PhpstormProjects\untitled\organizing\tests\ContainsOnlyTest.php:8
 
FAILURES!
Tests: 2, Assertions: 2, Failures: 1.