109 lines
3.0 KiB
PHP
109 lines
3.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Cheeper\Tests\Chapter6\Application\Author\Projection;
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use Cheeper\AllChapters\DomainModel\Author\AuthorDoesNotExist;
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use Cheeper\Chapter6\Application\Author\Projection\CountFollowersProjection;
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use Cheeper\Chapter6\Application\Author\Projection\CountFollowersProjectionHandler;
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use Doctrine\ORM\EntityManagerInterface;
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use PHPUnit\Framework\TestCase;
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#snippet code
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final class CountFollowersProjectionHandlerTest extends TestCase
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{
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/**
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* @test
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* @Given Non Existing Author
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* @When Counting Followers
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* @Then Non Existing Author Exception Should Be Thrown
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*/
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public function nonExistingAuthor(): void
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{
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$authorId = '1c22ed61-c305-44dd-a558-f261f434f583';
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$this->expectException(AuthorDoesNotExist::class);
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$this->expectExceptionMessage('Author "1c22ed61-c305-44dd-a558-f261f434f583" does not exist');
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$redisMock = $this->createMock(\Redis::class);
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$dbMock = $this->buildEntityManagerMockReturning(false);
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$handler = new CountFollowersProjectionHandler(
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$redisMock,
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$dbMock
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);
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$handler(
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CountFollowersProjection::ofAuthor($authorId)
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);
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}
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/**
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* @test
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* @Given An Existing Author With 0 Followers
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* @When Counting Followers
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* @Then Proper Result With 0 Followers Is Returned
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*/
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public function existingAuthorWithZeroFollowers(): void
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{
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$authorId = '1c22ed61-c305-44dd-a558-f261f434f583';
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$authorUsername = 'alice';
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$authorFollowers = 10;
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$redisMock = $this->createMock(\Redis::class);
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$redisMock
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->expects($this->once())
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->method('set')
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->with(
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'author_followers_counter_projection:'.$authorId,
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json_encode(
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[
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'id' => $authorId,
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'username' => $authorUsername,
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'followers' => $authorFollowers,
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]
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)
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)
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;
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$dbMock = $this->buildEntityManagerMockReturning([
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'id' => $authorId,
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'username' => $authorUsername,
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'followers' => $authorFollowers,
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]);
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$handler = new CountFollowersProjectionHandler(
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$redisMock,
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$dbMock
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);
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$handler(
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CountFollowersProjection::ofAuthor($authorId)
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);
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}
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private function buildEntityManagerMockReturning($fakeReturn): EntityManagerInterface
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{
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$mock = $this->createStub(EntityManagerInterface::class);
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$connectionMock = new class($fakeReturn) {
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public function __construct(private $toReturn)
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{
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}
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public function fetchAssociative($query, $params): mixed
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{
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return $this->toReturn;
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}
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};
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$mock->method('getConnection')->willReturn(
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$connectionMock
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);
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return $mock;
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}
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}
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#end-snippet
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