Merge pull request #25943 from woocommerce/fix/25810

Fixed remainder application for percent coupons
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Christopher Allford 2020-03-30 14:13:03 -07:00 committed by GitHub
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2 changed files with 39 additions and 4 deletions

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@ -549,10 +549,7 @@ class WC_Discounts {
foreach ( $items_to_apply as $item ) { foreach ( $items_to_apply as $item ) {
for ( $i = 0; $i < $item->quantity; $i ++ ) { for ( $i = 0; $i < $item->quantity; $i ++ ) {
// Find out how much price is available to discount for the item. // Find out how much price is available to discount for the item.
$discounted_price = $this->get_discounted_price_in_cents( $item ); $price_to_discount = $this->get_discounted_price_in_cents( $item );
// Get the price we actually want to discount, based on settings.
$price_to_discount = ( 'yes' === get_option( 'woocommerce_calc_discounts_sequentially', 'no' ) ) ? $discounted_price : $item->price;
// Run coupon calculations. // Run coupon calculations.
$discount = min( $price_to_discount, 1 ); $discount = min( $price_to_discount, 1 );

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@ -223,6 +223,44 @@ class WC_Tests_Coupon extends WC_Unit_Test_Case {
$this->assertEquals( 29.5, WC()->cart->total ); $this->assertEquals( 29.5, WC()->cart->total );
} }
/**
* Tests that the remainder is handled correctly and does not turn the total negative.
*
* @since 4.1
*/
public function test_percent_discount_handles_remainder_correctly() {
// Create product.
$product = WC_Helper_Product::create_simple_product();
$product->set_regular_price( 18 );
$product->save();
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon( '20off' );
update_post_meta( $coupon->get_id(), 'discount_type', 'percent' );
update_post_meta( $coupon->get_id(), 'coupon_amount', '20' );
$coupon_2 = WC_Helper_Coupon::create_coupon( '100off' );
update_post_meta( $coupon_2->get_id(), 'discount_type', 'percent' );
update_post_meta( $coupon_2->get_id(), 'coupon_amount', '100' );
// Create a flat rate method.
WC_Helper_Shipping::create_simple_flat_rate();
// Add product to cart.
WC()->cart->add_to_cart( $product->get_id(), 4 );
// Add coupon.
WC()->cart->add_discount( $coupon->get_code() );
WC()->cart->add_discount( $coupon_2->get_code() );
// Set the flat_rate shipping method.
WC()->session->set( 'chosen_shipping_methods', array( 'flat_rate' ) );
WC()->cart->calculate_totals();
// Test if the cart total amount is equal 29.5.
$this->assertEquals( 10, WC()->cart->total );
}
/** /**
* Test date setters/getters. * Test date setters/getters.
* *