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phpunit断言assertCount

发布时间：2021-10-01 21:31:17编辑：雪饮阅读（）

 assertCount主要是断言一个堆如数组的元素数量为某个值，若不是该值，则断言失败。

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

final class CountTest extends TestCase
{
    public function testFailure(): void
    {
        $this->assertCount(0, ['foo']);
    }
    public function testSuccess(): void
    {
        $this->assertCount(1, ['foo']);
    }
}
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\CountTest.php
PHPUnit 9.5.8 by Sebastian Bergmann and contributors.
 
F.                                                                  2 / 2 (100%)
 
Time: 00:00.009, Memory: 4.00 MB
 
There was 1 failure:
 
1) CountTest::testFailure
Failed asserting that actual size 1 matches expected size 0.
 
C:\Users\Administrator\PhpstormProjects\untitled\organizing\tests\CountTest.php:8
 
FAILURES!
Tests: 2, Assertions: 2, Failures: 1.