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FeatureTest.php
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FeatureTest.php
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<?php
declare(strict_types=1);
namespace Pheature\Test\Core\Toggle\Write;
use Pheature\Core\Toggle\Write\Event\FeatureWasDisabled;
use Pheature\Core\Toggle\Write\Event\FeatureWasEnabled;
use Pheature\Core\Toggle\Write\Event\FeatureWasRemoved;
use Pheature\Core\Toggle\Write\Event\StrategyWasAdded;
use Pheature\Core\Toggle\Write\Feature;
use Pheature\Core\Toggle\Write\FeatureId;
use Pheature\Core\Toggle\Write\Payload;
use Pheature\Core\Toggle\Write\Segment;
use Pheature\Core\Toggle\Write\SegmentId;
use Pheature\Core\Toggle\Write\SegmentType;
use Pheature\Core\Toggle\Write\Strategy;
use Pheature\Core\Toggle\Write\StrategyId;
use Pheature\Core\Toggle\Write\StrategyType;
use Pheature\Core\Toggle\Write\Event\FeatureWasCreated;
use DatetimeImmutable;
use PHPUnit\Framework\TestCase;
final class FeatureTest extends TestCase
{
private const FEATURE_ID = 'some_feature';
private const STRATEGY_ID = 'some_strategy';
private const STRATEGY_TYPE = 'some_strategy_type';
private const SEGMENT_ID = 'some_segment';
private const SEGMENT_TYPE = 'some_segment_type';
public function testItShouldBeCreatedWithId(): void
{
$feature = Feature::withId(FeatureId::fromString(self::FEATURE_ID));
$this->assertSame(self::FEATURE_ID, $feature->id());
$this->assertFalse($feature->isEnabled());
}
public function testItShouldBeSerializeAsArray(): void
{
$feature = $this->createFeatureWithAnStrategy();
$this->assertSame([
'feature_id' => self::FEATURE_ID,
'enabled' => false,
'strategies' => [
self::STRATEGY_ID => [
'strategy_id' => self::STRATEGY_ID,
'strategy_type' => self::STRATEGY_TYPE,
'segments' => [],
],
],
], $feature->jsonSerialize());
}
public function testItShouldBeEnabled(): void
{
$feature = $this->createFeature(false);
$this->assertFalse($feature->isEnabled());
$feature->enable();
$this->assertTrue($feature->isEnabled());
$events = $feature->release();
$this->assertCount(1, $events);
$this->assertEventIsRecorded(FeatureWasEnabled::class, $events);
$featureWasEnabledEvent = $events[0];
$this->assertInstanceOf(FeatureWasEnabled::class, $featureWasEnabledEvent);
$this->assertSame(self::FEATURE_ID, $featureWasEnabledEvent->featureId()->value());
$this->assertInstanceOf(DatetimeImmutable::class, $featureWasEnabledEvent->occurredAt());
}
public function testItShouldBeDisabled(): void
{
$feature = $this->createFeature(true);
$this->assertTrue($feature->isEnabled());
$feature->disable();
$this->assertFalse($feature->isEnabled());
$events = $feature->release();
$this->assertCount(1, $events);
$this->assertEventIsRecorded(FeatureWasDisabled::class, $events);
$featureWasDisabledEvent = $events[0];
$this->assertSame(self::FEATURE_ID, $featureWasDisabledEvent->featureId()->value());
$this->assertInstanceOf(DatetimeImmutable::class, $featureWasDisabledEvent->occurredAt());
}
public function testItShouldSetAnStrategy(): void
{
$strategy = new Strategy(
StrategyId::fromString(self::STRATEGY_ID),
StrategyType::fromString(self::STRATEGY_TYPE),
[
new Segment(
SegmentId::fromString(self::SEGMENT_ID),
SegmentType::fromString(self::SEGMENT_TYPE),
Payload::fromArray(['foo' => 'bar'])
)
]
);
$feature = $this->createFeature();
$feature->setStrategy($strategy);
$this->assertCount(1, $feature->strategies());
$events = $feature->release();
$this->assertCount(1, $events);
$this->assertEventIsRecorded(StrategyWasAdded::class, $events);
/** @var StrategyWasAdded $strategyWasAdded */
$strategyWasAdded = $events[0];
$this->assertSame(self::FEATURE_ID, $strategyWasAdded->featureId()->value());
$this->assertSame(self::STRATEGY_ID, $strategyWasAdded->strategyId()->value());
$this->assertSame(self::STRATEGY_TYPE, $strategyWasAdded->strategyType()->value());
/** @var Segment $segment */
$segment = $strategyWasAdded->segments()[0];
$this->assertSame(self::SEGMENT_ID, $segment->segmentId()->value());
$this->assertSame(self::SEGMENT_TYPE, $segment->segmentType()->value());
$this->assertSame(['foo' => 'bar'], $segment->payload()->criteria());
$this->assertInstanceOf(DatetimeImmutable::class, $strategyWasAdded->occurredAt());
}
public function testItShouldRemoveAnStrategies(): void
{
$feature = $this->createFeatureWithAnStrategy();
$this->assertCount(1, $feature->strategies());
$feature->removeStrategy(StrategyId::fromString(self::STRATEGY_ID));
$this->assertCount(0, $feature->strategies());
$events = $feature->release();
$this->assertCount(0, $events);
}
public function testItShouldStoreAFeatureWasCreatedEventWhenNewFeatureIsCreated(): void
{
$feature = Feature::withId(FeatureId::fromString(self::FEATURE_ID));
$events = $feature->release();
$this->assertCount(1, $events);
$this->assertEventIsRecorded(FeatureWasCreated::class, $events);
$featureWasCreatedEvent = $events[0];
$this->assertSame(self::FEATURE_ID, $featureWasCreatedEvent->featureId()->value());
$this->assertInstanceOf(DatetimeImmutable::class, $featureWasCreatedEvent->occurredAt());
}
public function testItShouldStoreAFeatureWasRemovedWhenItIsRemoved(): void
{
$feature = $this->createFeature();
$feature->remove();
$events = $feature->release();
$this->assertCount(1, $events);
$this->assertEventIsRecorded(FeatureWasRemoved::class, $events);
$featureWasRemovedEvent = $events[0];
$this->assertSame(self::FEATURE_ID, $featureWasRemovedEvent->featureId()->value());
$this->assertInstanceOf(DatetimeImmutable::class, $featureWasRemovedEvent->occurredAt());
}
private function createFeature(?bool $enabled = null, ?array $strategies = null): Feature
{
return new Feature(
FeatureId::fromString(self::FEATURE_ID),
$enabled ?? false,
$strategies ?? []
);
}
private function createFeatureWithAnStrategy(): Feature
{
$strategy = new Strategy(
StrategyId::fromString(self::STRATEGY_ID),
StrategyType::fromString(self::STRATEGY_TYPE),
[]
);
return $this->createFeature(false, [$strategy]);
}
private function assertEventIsRecorded(string $expectedEvent, array $featureEvents): void
{
$matchedEvents = array_filter(
$featureEvents,
static fn (object $event) => $expectedEvent === get_class($event)
);
$this->assertNotEmpty($matchedEvents);
}
}