PHP code example of savage-days / phpunit-case-coverage

1. Go to this page and download the library: Download savage-days/phpunit-case-coverage library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

savage-days / phpunit-case-coverage example snippets


use CaseCoverage\Attribute\Group;
use CaseCoverage\CaseDefinition;
use CaseCoverage\CaseInstance;
use CaseCoverage\CaseSet;

final class PaymentClientCases extends CaseSet
{
    protected static function target(): string
    {
        return PaymentClient::class;
    }

    public static function approved(): CaseDefinition
    {
        return self::on('charge')->returns(
            new PaymentResponse(PaymentStatus::Approved),
        );
    }

    public static function declined(): CaseDefinition
    {
        return self::on('charge')->returns(
            new PaymentResponse(PaymentStatus::Declined),
        );
    }

    #[Group('temporaryFailures')]
    public static function timeout(): CaseDefinition
    {
        return self::on('charge')->throws(new TimeoutException());
    }

    #[Group('temporaryFailures')]
    public static function connectionError(): CaseDefinition
    {
        return self::on('charge')->throws(new ConnectionException());
    }

    public static function committed(): CaseDefinition
    {
        return self::on('commit')->completes();
    }

    /** @return array<string, array{0: CaseInstance}> */
    public static function temporaryFailures(): array
    {
        return self::forGroup(__FUNCTION__);
    }
}


self::on('method')->returns($value);         // a normal return value
self::on('method')->throws($exception);      // a Throwable
self::on('voidMethod')->completes();         // normal completion of a void method


public function testApprovedPayment(): void
{
    $client = $this->createStub(PaymentClient::class);

    PaymentClientCases::case('approved')->apply($client);

    $service = new PaymentService($client);

    self::assertTrue($service->pay(1000)->isSuccessful());
}


$case->apply($client);
$client->expects(self::once())->method('charge')->with(1000);


use PHPUnit\Framework\Attributes\DataProviderExternal;

#[DataProviderExternal(PaymentClientCases::class, 'temporaryFailures')]
public function testTemporaryFailuresAreReportedAsRetryable(CaseInstance $case): void
{
    $client = $this->createStub(PaymentClient::class);
    $case->apply($client);

    $service = new PaymentService($client);

    self::assertTrue($service->pay(1000)->isRetryable());
}


/** @dataProvider \App\Tests\Cases\PaymentClientCases::temporaryFailures */
public function testTemporaryFailuresAreReportedAsRetryable(CaseInstance $case): void
{
    // ...
}