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<?php |
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declare(strict_types=1); |
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namespace hiqdev\php\billing\tests\unit\price; |
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use Generator; |
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use hiqdev\php\billing\price\ProgressivePrice; |
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use hiqdev\php\billing\price\ProgressivePriceThresholds; |
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use hiqdev\php\billing\target\Target; |
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use hiqdev\php\billing\type\Type; |
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use hiqdev\php\units\Quantity; |
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use Money\Currencies\ISOCurrencies; |
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use Money\Currency; |
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use Money\Parser\DecimalMoneyParser; |
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use PHPUnit\Framework\TestCase; |
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class ProgressivePriceTest extends TestCase |
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{ |
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private Quantity $usage; |
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private DecimalMoneyParser $moneyParser; |
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protected function setUp(): void |
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{ |
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parent::setUp(); |
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$this->usage = Quantity::mbps(720); |
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$this->moneyParser = new DecimalMoneyParser(new ISOCurrencies()); |
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} |
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private function createProgressivePrice(string $prepaid, string $startPrice, array $thresholdsArray): ProgressivePrice |
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{ |
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$type = new Type('2222', 'cdn_traf95_max'); |
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$target = new Target('2222', 'overuse,cdn_traf95_max', 'ProgressivePrice'); |
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$prepaid = Quantity::mbps($prepaid); |
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$money = $this->moneyParser->parse($startPrice, new Currency('EUR')); |
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$thresholds = ProgressivePriceThresholds::fromScalarsArray($thresholdsArray); |
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return new ProgressivePrice('2222', $type, $target, $prepaid, $money, $thresholds); |
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} |
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/** @dataProvider progressivePriceProvider */ |
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public function testProgressivePriceCalculation( |
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array $thresholdsArray, |
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int $expectedAmount, |
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string $startPrice, |
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string $prepaid = '0' |
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): void { |
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$price = $this->createProgressivePrice( |
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prepaid: $prepaid, |
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startPrice: $startPrice, |
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thresholdsArray: $thresholdsArray |
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); |
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$usage = $price->calculateUsage($this->usage); |
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$this->assertSame($this->usage->getQuantity(), $usage->getQuantity()); |
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$amount = $price->calculateSum($this->usage); |
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$this->assertEquals($expectedAmount, $amount->getAmount()); |
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} |
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/** |
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* @dataProvider progressivePriceProvider |
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*/ |
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public function testProgressivePriceSerialization( |
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array $inputThresholdsArray, |
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int $expectedAmount, |
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string $startPrice, |
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string $prepaid = '0' |
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): void { |
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$price = $this->createProgressivePrice( |
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prepaid: $prepaid, |
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startPrice: $startPrice, |
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thresholdsArray: $inputThresholdsArray |
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); |
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$unserialized = json_decode(json_encode($price), true); |
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$this->assertArrayHasKey('id', $unserialized); |
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$this->assertArrayHasKey('type', $unserialized); |
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$this->assertArrayHasKey('target', $unserialized); |
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$this->assertArrayHasKey('thresholds', $unserialized); |
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$this->assertArrayHasKey('price', $unserialized); |
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$this->assertArrayHasKey('prepaid', $unserialized); |
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$this->assertSame($price->getId(), $unserialized['id']); |
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$this->assertSame($price->getType()->getId(), $unserialized['type']['id']); |
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$this->assertSame($price->getType()->getName(), $unserialized['type']['name']); |
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$this->assertSame($price->getTarget()->getId(), $unserialized['target']['id']); |
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$this->assertSame($price->getTarget()->getType(), $unserialized['target']['type']); |
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$this->assertSame($price->getTarget()->getName(), $unserialized['target']['name']); |
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$this->assertSame($price->getPrice()->getAmount(), $unserialized['price']['amount']); |
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$this->assertSame($price->getPrice()->getCurrency()->getCode(), $unserialized['price']['currency']); |
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$this->assertSame($price->getPrepaid()->getQuantity(), $unserialized['prepaid']['quantity']); |
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$this->assertSame($price->getPrepaid()->getUnit()->getName(), $unserialized['prepaid']['unit']); |
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$thresholdsArray = $price->getThresholds()->get(); |
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$unserializedThresholds = array_reverse($unserialized['thresholds']); |
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$this->assertCount(count($inputThresholdsArray), $unserializedThresholds); |
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foreach ($thresholdsArray as $index => $threshold) { |
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$val = (new \ReflectionObject($threshold))->getProperty('price')->getValue($threshold); |
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$this->assertSame($val, $unserializedThresholds[$index]['price']); |
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$this->assertSame($threshold->price()->getCurrency()->getCode(), $unserializedThresholds[$index]['currency']); |
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$this->assertSame($threshold->quantity()->getQuantity(), $unserializedThresholds[$index]['quantity']); |
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$this->assertSame($threshold->quantity()->getUnit()->getName(), $unserializedThresholds[$index]['unit']); |
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} |
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} |
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private function progressivePriceProvider(): Generator |
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{ |
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yield 'Simple case' => [ |
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'thresholds' => [ |
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['price' => '0.0085', 'currency' => 'EUR', 'quantity' => '0', 'unit' => 'mbps'], |
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['price' => '0.0080', 'currency' => 'EUR', 'quantity' => '500', 'unit' => 'mbps'], |
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['price' => '0.0075', 'currency' => 'EUR', 'quantity' => '600', 'unit' => 'mbps'], |
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['price' => '0.0070', 'currency' => 'EUR', 'quantity' => '700', 'unit' => 'mbps'], |
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['price' => '0.0065', 'currency' => 'EUR', 'quantity' => '800', 'unit' => 'mbps'], |
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], |
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'money' => 594, |
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'price' => '0.0085', |
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]; |
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yield 'Different prices for the same quantity – take higher price' => [ |
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'thresholds' => [ |
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['price' => '6', 'currency' => 'EUR', 'quantity' => '0', 'unit' => 'mbps'], |
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['price' => '4', 'currency' => 'EUR', 'quantity' => '100', 'unit' => 'mbps'], // Here the qty is the same |
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['price' => '5', 'currency' => 'EUR', 'quantity' => '0.1', 'unit' => 'gbps'], // as here, despite units are different |
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['price' => '3', 'currency' => 'EUR', 'quantity' => '200', 'unit' => 'mbps'], |
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], |
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'money' => 266000, |
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'price' => '6', |
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// 100mbps * 6 = 600 |
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// 100mbps * 5 = 500 |
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// 520mbps * 3 = 1560 |
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// = 2660 |
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]; |
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yield 'Bill without prepaid amount' => [ |
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'thresholds' => [ |
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['price' => '6', 'currency' => 'EUR', 'quantity' => '100', 'unit' => 'mbps'], |
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['price' => '5', 'currency' => 'EUR', 'quantity' => '200', 'unit' => 'mbps'], |
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['price' => '4', 'currency' => 'EUR', 'quantity' => '300', 'unit' => 'mbps'], |
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['price' => '3', 'currency' => 'EUR', 'quantity' => '400', 'unit' => 'mbps'], |
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], |
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'money' => 306000, |
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'price' => '6', |
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'prepaid' => '0', |
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// 100mbps * 6 = 600 // No prepaid, fully billed |
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// + 100mbps * 6 = 600 |
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// + 100mbps * 5 = 500 |
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// + 100mbps * 4 = 400 |
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// + 320mbps * 3 = 960 |
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// = 720mbps = 3060 |
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]; |
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yield 'Bill with prepaid amount' => [ |
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'thresholds' => [ |
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['price' => '1', 'currency' => 'EUR', 'quantity' => '20', 'unit' => 'mbps'], |
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['price' => '0.9', 'currency' => 'EUR', 'quantity' => '30', 'unit' => 'mbps'], |
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['price' => '0.856', 'currency' => 'EUR', 'quantity' => '0.1', 'unit' => 'gbps'], |
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['price' => '0.5521', 'currency' => 'EUR', 'quantity' => '130.5', 'unit' => 'mbps'], |
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], |
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'result' => 43487, |
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'price' => '1.03', |
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'prepaid' => '10', |
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// TOTAL consumption 720mbps |
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// 10mbps * 0 = 0 // prepaid, not billable |
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// + 10mbps * 1.03 = 10.3 |
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// + 10mbps * 1 = 10 |
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// + 70mbps * 0.90 = 63 |
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// + 30.5mbps * 0.856 = 26.11 |
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// + 589.5mbps * 0.5521 = 325.46 |
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// = 434.87 |
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// Total billed 710mbps |
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]; |
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} |
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} |
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hiqdev /
php-billing
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.