在 Laravel 6 中运行 phpunit 时报错：PHP Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 69632 bytes)

1、在 Laravel 6 中运行 phpunit 时报错：PHP Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 69632 bytes)。如图1

图1

PS E:\wwwroot\object> ./vendor/bin/phpunit
PHPUnit 7.5.20 by Sebastian Bergmann and contributors.

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E  63 / 211 ( 29%)
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PHP Fatal error:  Allowed memory size of 1073741824 bytes exhausted (tried to allocate 69632 bytes) in E:\wwwroot\object\config\us-zipcode.php on line 4
PHP Fatal error:  Allowed memory size of 1073741824 bytes exhausted (tried to allocate 32768 bytes) in E:\wwwroot\object\vendor\symfony\debug\Exception\FatalErrorException.php on line 1
setup:1011MB memory_limit:1024M

Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 69632 bytes) in E:\wwwroot\object\config\us-zipcode.php on line 4

Fatal error: Allowed memory size of 1073741824 bytes exhausted (tried to allocate 32768 bytes) in E:\wwwroot\object\vendor\symfony\debug\Exception\FatalErrorException.php on line 1
PS E:\wwwroot\object>

2、编辑 php.ini 文件，设置 memory_limit = 4096M。之前为 memory_limit = 1024M。不会再次提示内存占用超限。

3、平时在运行测试用例的时候，一般不建议全部运行，参考使用说明：可以仅运行某个目录或者某个文件。以避免耗时过久与内存占用过高。如图2

图2

PS E:\wwwroot\object> ./vendor/bin/phpunit -h
PHPUnit 7.5.20 by Sebastian Bergmann and contributors.

Usage: phpunit [options] UnitTest [UnitTest.php]
       phpunit [options] <directory>

4、仅运行某个目录：tests/Unit 与 仅运行某个文件：.\tests\Unit\ExampleTest.php。占用内存就很低了。如图3

图3

PS E:\wwwroot\lighthouse-tutorial> ./vendor/bin/phpunit tests/Unit
PHPUnit 9.5.11 by Sebastian Bergmann and contributors.

.                                                                   1 / 1 (100%)

Time: 00:00.008, Memory: 10.00 MB

OK (1 test, 1 assertion)
PS E:\wwwroot\lighthouse-tutorial> ./vendor/bin/phpunit .\tests\Unit\ExampleTest.php
PHPUnit 9.5.11 by Sebastian Bergmann and contributors.

.                                                                   1 / 1 (100%)

Time: 00:00.008, Memory: 10.00 MB

OK (1 test, 1 assertion)