94 lines
3.1 KiB
PHP
94 lines
3.1 KiB
PHP
<?php
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namespace Bazaar\Tests;
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use Bazaar\Repositories\CouponRepository;
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use Bazaar\Services\CouponResult;
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use Bazaar\Services\CouponService;
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final class CouponServiceTest extends DatabaseTestCase
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{
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private CouponRepository $coupons;
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private CouponService $service;
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protected function setUp(): void
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{
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parent::setUp();
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$this->coupons = new CouponRepository($this->db);
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$this->service = new CouponService($this->coupons);
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}
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private function coupon(array $overrides = []): int
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{
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return $this->coupons->create(array_merge([
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'code' => 'SAVE10',
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'type' => 'percent',
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'value' => 10,
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'minSubtotalCents' => 0,
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'maxRedemptions' => null,
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'startsAt' => null,
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'expiresAt' => null,
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'isActive' => true,
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], $overrides));
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}
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public function testPercentDiscountIsFloored(): void
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{
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$this->coupon(['code' => 'SAVE15', 'value' => 15]);
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$result = $this->service->evaluate('SAVE15', 999);
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$this->assertTrue($result->isValid());
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$this->assertSame((int) floor(999 * 0.15), $result->discountCents);
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}
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public function testFixedDiscountNeverExceedsSubtotal(): void
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{
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$this->coupon(['code' => 'FLAT50', 'type' => 'fixed', 'value' => 5000]);
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$result = $this->service->evaluate('FLAT50', 3000);
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$this->assertTrue($result->isValid());
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$this->assertSame(3000, $result->discountCents);
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}
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public function testCodeLookupIsCaseInsensitive(): void
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{
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$this->coupon();
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$this->assertTrue($this->service->evaluate('save10', 5000)->isValid());
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}
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public function testUnknownCodeIsRejected(): void
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{
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$this->assertSame(CouponResult::notFound, $this->service->evaluate('NOPE', 5000)->status);
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}
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public function testInactiveCouponIsRejected(): void
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{
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$this->coupon(['code' => 'OFF', 'isActive' => false]);
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$this->assertSame(CouponResult::inactive, $this->service->evaluate('OFF', 5000)->status);
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}
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public function testBelowMinimumIsRejected(): void
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{
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$this->coupon(['code' => 'BIG', 'minSubtotalCents' => 10000]);
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$this->assertSame(CouponResult::belowMinimum, $this->service->evaluate('BIG', 5000)->status);
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}
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public function testExpiredAndNotStartedWindows(): void
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{
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$this->coupon(['code' => 'PAST', 'expiresAt' => '2020-01-01T00:00:00+00:00']);
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$this->coupon(['code' => 'FUTURE', 'startsAt' => '2999-01-01T00:00:00+00:00']);
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$this->assertSame(CouponResult::expired, $this->service->evaluate('PAST', 5000)->status);
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$this->assertSame(CouponResult::notStarted, $this->service->evaluate('FUTURE', 5000)->status);
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}
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public function testExhaustedWhenRedemptionLimitReached(): void
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{
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$id = $this->coupon(['code' => 'ONCE', 'maxRedemptions' => 1]);
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$this->assertTrue($this->service->evaluate('ONCE', 5000)->isValid());
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$this->service->redeem($id);
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$this->assertSame(CouponResult::exhausted, $this->service->evaluate('ONCE', 5000)->status);
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}
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}
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