/**
* Test migrate method.
*/
public function testMigrate()
{
$this->migrationsDirectory = __DIR__ . '/../../Fixtures/Migrations';
require_once __DIR__ . '/../../Fixtures/BlogEventSourced.php';
// simulate an application and aggregate version state
$currentApplicationVersion = Version::fromString('0.1.0');
$aggregateVersion = Version::fromString('0.1.0');
VersionManager::setCurrentApplicationVersion($currentApplicationVersion);
VersionManager::persistVersionOfClass(PostEventSourced::class, $aggregateVersion);
VersionManager::persistVersionOfClass(\BlogEventSourced::class, $aggregateVersion);
// creating migration store
$aggregates = [PostEventSourced::class, \BlogEventSourced::class];
$migratorStore = new InMemoryMigrationStore();
$migratorStore->persist(new Migration($aggregates, $aggregateVersion, new \DateTime()));
// creating event store
$eventStore = new InMemoryEventStore();
// add the event store flow
$postId1 = PostId::fromNative(md5(rand()));
$postEventStream1 = new EventStream($this->streamName(PostEventSourced::class), $postId1, [new PostWasCreated($postId1, 'Best restaurants in barcelona', 'empty'), new PostTitleWasChanged($postId1, 'Best cuban restaurants in barcelona')]);
$postId2 = PostId::fromNative(md5(rand()));
$postEventStream2 = new EventStream($this->streamName(PostEventSourced::class), $postId2, [new PostWasCreated($postId2, 'Best things to do with children in barcelona', 'empty'), new PostTitleWasChanged($postId2, 'Things to do with children in barcelona this weekend')]);
$eventStore->persist($postEventStream1, $aggregateVersion, $currentApplicationVersion);
$eventStore->persist($postEventStream2, $aggregateVersion, $currentApplicationVersion);
// fake BlogEventSourced event stream
$postId3 = PostId::fromNative(md5(rand()));
$postEventStream2 = new EventStream($this->streamName(\BlogEventSourced::class), $postId3, []);
$eventStore->persist($postEventStream2, $aggregateVersion, $currentApplicationVersion);
// creating snapshot store
$snapshotStore = new InMemorySnapshotStore();
// creating the migrator
$migrator = new MigratorWithSnapshot($this->getClassMetadataFactory(), $migratorStore, $eventStore, $snapshotStore, $this->migrationsDirectory);
$emptyMigrator = new MigratorWithSnapshot($this->getClassMetadataFactory(), $migratorStore, $eventStore, $snapshotStore, __DIR__ . '/../../Fixtures/EmptyMigrations');
$this->given($result = $emptyMigrator->migrate())->then()->boolean($result)->isFalse();
$this->given($status = $migrator->status())->and($nextVersion = $status->nextAvailableVersion())->then()->boolean($migratorStore->hasMigration($nextVersion))->isFalse()->variable($snapshotStore->load('post_event_sourced', $postId1, $aggregateVersion, $currentApplicationVersion))->isNull()->and()->when($result = $migrator->migrate())->and(VersionManager::setCurrentApplicationVersion($migratorStore->getLast()->version()))->then()->boolean($migratorStore->hasMigration($nextVersion))->isTrue()->boolean($result)->isTrue()->variable($snapshotStore->load('post_event_sourced', $postId1, $aggregateVersion, $nextVersion))->isNotNull()->variable($snapshotStore->load('post_event_sourced', $postId2, $aggregateVersion, $nextVersion))->isNotNull()->and()->exception(function () use($migrator) {
// because the V1_0_0\BlogEventSourcedMigration class return an invalid stream
$migrator->migrate();
})->isInstanceOf(\RuntimeException::class);
}
/**
* Test ShouldCreateSnapshot method.
*/
public function testShouldCreateSnapshot()
{
$this->given($snapshotStore = new InMemorySnapshotStore())->and($policy = new TimeBasedSnapshottingPolicy($snapshotStore, PostEventSourced::class, '1 hour'))->and($post = PostEventSourcedFactory::create($this->faker->sentence, $this->faker->paragraph))->and($createdAt = date_create()->modify('-2 hours'))->and($snapshot = new Snapshot(NameResolver::resolve(get_class($post)), $post, $createdAt))->and($applicationVersion = Version::fromString('0.0.0'))->and($snapshotStore->persist($snapshot, $applicationVersion))->then()->boolean($policy->shouldCreateSnapshot($post))->isTrue()->and()->when($post->clearEvents())->then()->boolean($policy->shouldCreateSnapshot($post))->isFalse();
$this->given($snapshotStore = new InMemorySnapshotStore())->and($policy = new TimeBasedSnapshottingPolicy($snapshotStore, PostEventSourced::class, '1 hour'))->and($post = PostEventSourcedFactory::create($this->faker->sentence, $this->faker->paragraph))->and($createdAt = new \DateTime())->and($snapshot = new Snapshot(NameResolver::resolve(get_class($post)), $post, $createdAt))->and($applicationVersion = Version::fromString('0.1.0'))->and($snapshotStore->persist($snapshot, $applicationVersion))->then()->boolean($policy->shouldCreateSnapshot($post))->isFalse();
}
