public function PriceSplitterTest::testSplit in Commerce Core 8.2

@covers ::split

File

modules/order/tests/src/Kernel/PriceSplitterTest.php, line 69

Class

PriceSplitterTest

Tests the price splitter.

Namespace

Drupal\Tests\commerce_order\Kernel

Code

public function testSplit() {

  // 6 x 3 + 6 x 3 = 36.
  $unit_price = new Price('6', 'USD');
  $order_items = $this
    ->buildOrderItems([
    $unit_price,
    $unit_price,
  ], 3);
  $this->order
    ->setItems($order_items);
  $this->order
    ->save();

  // Each order item should be discounted by half (9 USD).
  $amounts = $this->splitter
    ->split($this->order, new Price('18', 'USD'));
  $expected_amount = new Price('9', 'USD');
  foreach ($amounts as $amount) {
    $this
      ->assertEquals($expected_amount, $amount);
  }

  // Same result with an explicit percentage.
  $amounts = $this->splitter
    ->split($this->order, new Price('18', 'USD'), '0.5');
  $expected_amount = new Price('9', 'USD');
  foreach ($amounts as $amount) {
    $this
      ->assertEquals($expected_amount, $amount);
  }

  // 9.99 x 3 + 1.01 x 3 = 33.
  $first_unit_price = new Price('9.99', 'USD');
  $second_unit_price = new Price('1.01', 'USD');
  $order_items = $this
    ->buildOrderItems([
    $first_unit_price,
    $second_unit_price,
  ], 3);
  $this->order
    ->setItems($order_items);
  $this->order
    ->save();
  $amount = new Price('5', 'USD');
  $amounts = $this->splitter
    ->split($this->order, $amount);
  $first_expected_amount = new Price('4.54', 'USD');
  $second_expected_amount = new Price('0.46', 'USD');
  $this
    ->assertEquals($first_expected_amount
    ->add($second_expected_amount), $amount);
  $amounts = array_values($amounts);
  $this
    ->assertEquals($first_expected_amount, $amounts[0]);
  $this
    ->assertEquals($second_expected_amount, $amounts[1]);

  // Split an amount that has a reminder.
  $unit_price = new Price('69.99', 'USD');
  $order_items = $this
    ->buildOrderItems([
    $unit_price,
    $unit_price,
  ]);
  $this->order
    ->setItems($order_items);
  $this->order
    ->save();
  $amount = new Price('41.99', 'USD');
  $amounts = $this->splitter
    ->split($this->order, $amount, '0.3');
  $first_expected_amount = new Price('21.00', 'USD');
  $second_expected_amount = new Price('20.99', 'USD');
  $this
    ->assertEquals($first_expected_amount
    ->add($second_expected_amount), $amount);
  $amounts = array_values($amounts);
  $this
    ->assertEquals($first_expected_amount, $amounts[0]);
  $this
    ->assertEquals($second_expected_amount, $amounts[1]);
}