74 lines
2.0 KiB
PHP
74 lines
2.0 KiB
PHP
<?php
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namespace Tests\Unit;
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use App\Models\Coupon;
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use App\Services\CouponCodePool;
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use Illuminate\Foundation\Testing\LazilyRefreshDatabase;
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use Tests\TestCase;
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class CouponCodePoolTest extends TestCase
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{
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use LazilyRefreshDatabase;
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private string $codesPath;
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protected function setUp(): void
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{
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parent::setUp();
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$this->codesPath = tempnam(sys_get_temp_dir(), 'codes_');
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file_put_contents($this->codesPath, "1_AAAA\n2_BBBB\n3_CCCC\n");
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}
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protected function tearDown(): void
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{
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if (is_file($this->codesPath)) {
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unlink($this->codesPath);
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}
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parent::tearDown();
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}
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public function test_all_codes_loads_from_file(): void
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{
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$pool = new CouponCodePool($this->codesPath);
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$this->assertSame(['1_AAAA', '2_BBBB', '3_CCCC'], $pool->allCodes());
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}
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public function test_available_codes_excludes_used_coupons(): void
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{
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Coupon::factory()->create(['code' => '1_AAAA', 'phone' => '61111111']);
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$pool = new CouponCodePool($this->codesPath);
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$this->assertEqualsCanonicalizing(['2_BBBB', '3_CCCC'], $pool->availableCodes());
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}
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public function test_pick_random_returns_only_unused_code(): void
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{
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Coupon::factory()->create(['code' => '2_BBBB', 'phone' => '61111111']);
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$pool = new CouponCodePool($this->codesPath);
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for ($i = 0; $i < 20; $i++) {
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$picked = $pool->pickRandom();
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$this->assertContains($picked, ['1_AAAA', '3_CCCC']);
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}
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}
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public function test_has_available_is_false_when_all_codes_used(): void
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{
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Coupon::factory()->create(['code' => '1_AAAA', 'phone' => '61111111']);
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Coupon::factory()->create(['code' => '2_BBBB', 'phone' => '62222222']);
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Coupon::factory()->create(['code' => '3_CCCC', 'phone' => '63333333']);
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$pool = new CouponCodePool($this->codesPath);
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$this->assertFalse($pool->hasAvailable());
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$this->assertNull($pool->pickRandom());
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$this->assertSame([], $pool->availableCodes());
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}
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}
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