public function PriceCalculatorTest::testCalculation in Commerce Core 8.2

Tests the calculator.

@covers ::calculate

File

modules/order/tests/src/Kernel/PriceCalculatorTest.php, line 149

Class

PriceCalculatorTest

Tests the price calculator.

Namespace

Drupal\Tests\commerce_order\Kernel

Code

public function testCalculation() {
  $first_context = new Context($this->firstUser, $this->store);
  $second_context = new Context($this->secondUser, $this->store);

  // No adjustment types specified.
  $result = $this->priceCalculator
    ->calculate($this->firstVariation, 1, $first_context);
  $this
    ->assertEquals(new Price('3.00', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('3.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertEquals([], $result
    ->getAdjustments());

  // Unknown adjustment type specified.
  $result = $this->priceCalculator
    ->calculate($this->secondVariation, 1, $first_context, [
    'invalid',
  ]);
  $this
    ->assertEquals(new Price('4.00', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('4.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertEquals([], $result
    ->getAdjustments());

  // Only tax.
  $result = $this->priceCalculator
    ->calculate($this->firstVariation, 1, $first_context, [
    'tax',
  ]);
  $this
    ->assertEquals(new Price('3.60', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('3.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertCount(1, $result
    ->getAdjustments());
  $adjustments = $result
    ->getAdjustments();
  $first_adjustment = reset($adjustments);
  $this
    ->assertEquals('tax', $first_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('0.60', 'USD'), $first_adjustment
    ->getAmount());
  $result = $this->priceCalculator
    ->calculate($this->secondVariation, 1, $first_context, [
    'tax',
  ]);
  $this
    ->assertEquals(new Price('4.80', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('4.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertCount(1, $result
    ->getAdjustments());
  $adjustments = $result
    ->getAdjustments();
  $first_adjustment = reset($adjustments);
  $this
    ->assertEquals('tax', $first_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('0.80', 'USD'), $first_adjustment
    ->getAmount());

  // Tax and promotions.
  $result = $this->priceCalculator
    ->calculate($this->firstVariation, 1, $first_context, [
    'tax',
    'promotion',
  ]);
  $this
    ->assertEquals(new Price('1.80', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('3.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertCount(2, $result
    ->getAdjustments());
  $adjustments = $result
    ->getAdjustments();
  $first_adjustment = reset($adjustments);
  $this
    ->assertEquals('promotion', $first_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('-1.80', 'USD'), $first_adjustment
    ->getAmount());
  $second_adjustment = end($adjustments);
  $this
    ->assertEquals('tax', $second_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('0.60', 'USD'), $second_adjustment
    ->getAmount());
  $result = $this->priceCalculator
    ->calculate($this->secondVariation, 1, $first_context, [
    'tax',
    'promotion',
  ]);
  $this
    ->assertEquals(new Price('2.40', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('4.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertCount(2, $result
    ->getAdjustments());
  $adjustments = $result
    ->getAdjustments();
  $first_adjustment = reset($adjustments);
  $this
    ->assertEquals('promotion', $first_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('-2.40', 'USD'), $first_adjustment
    ->getAmount());
  $second_adjustment = end($adjustments);
  $this
    ->assertEquals('tax', $second_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('0.80', 'USD'), $second_adjustment
    ->getAmount());

  // User-specific adjustment added by TestAdjustmentProcessor.
  $result = $this->priceCalculator
    ->calculate($this->secondVariation, 1, $second_context, [
    'test_adjustment_type',
  ]);
  $this
    ->assertEquals(new Price('6.00', 'USD'), $result
    ->getCalculatedPrice());
  $this
    ->assertEquals(new Price('4.00', 'USD'), $result
    ->getBasePrice());
  $this
    ->assertCount(1, $result
    ->getAdjustments());
  $adjustments = $result
    ->getAdjustments();
  $first_adjustment = reset($adjustments);
  $this
    ->assertEquals('test_adjustment_type', $first_adjustment
    ->getType());
  $this
    ->assertEquals(new Price('2.00', 'USD'), $first_adjustment
    ->getAmount());
}