【 callable-fake】虚构你的可调用函数以加速测试-php教程

Callable fake 是 Tim Macdonald 的一个 PHP 测试适用顺序，它 “容许您捏造、捕捉以及断言对可挪用 / 闭包的挪用”。正在某些状况下，此包能够协助正在测试中容许开发职员通报一个 callable。

它有一个受 Laravel 虚拟启示的 API，以下所示：

// Before, you might collect callables to assert later...
public function testEachLoopsOverAllDependencies(): void
{
    // arrange
    $received = [];
    $expected = factory(Dependency::class)->times(2)->create();
    $repo = $this->app[DependencyRepository::class];
    // act
    $repo->each(function (Dependency $dependency) use (&$received): void {
        $received[] = $dependency;
    });
    // assert
    $this->assertCount(2, $received);
    $this->assertTrue($expected[0]->is($received[0]));
    $this->assertTrue($expected[1]->is($received[1]));
}

应用此软件包，您能够应用相似如下内容的内容：

public function testEachLoopsOverAllDependencies(): void
{
    // arrange
    $callable = new CallableFake();
    $expected = factory(Dependency::class)->times(2)->create();
    $repo = $this->app[DependencyRepository::class];
    // act
    $repo->each($callable);
    // assert
    $callable->assertTimesInvoked(2);
    $callable->assertCalled(function (Depedency $dependency) use ($expected): bool {
        return $dependency->is($expected[0]);
    });
    $callable->assertCalled(function (Dependency $dependency) use ($expected): bool {
        return $dependency->is($expected[1]);
    });
}

该包提供了诸如 assertCalled、assertNotCalled、assertInvoked 等断言。无关具体信息以及示例，请务必查看名目自述文件中的可用 assertions 的完好列表。

你能够正在 GitHub 上理解更多对于此软件包的信息，猎取完好的装置阐明，并正在 timacdonald/callable-fake 上查看源代码。

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