458 lines
11 KiB
PHP
458 lines
11 KiB
PHP
<?php
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/**
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* Test for the discounts class.
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* @package WooCommerce\Tests\Discounts
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*/
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class WC_Tests_Discounts extends WC_Unit_Test_Case {
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/**
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* Test get and set items.
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*/
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public function test_get_set_items_from_cart() {
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// Create dummy product - price will be 10
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$product = WC_Helper_Product::create_simple_product();
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// Add product to the cart.
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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// Add product to a dummy order.
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$order = new WC_Order();
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$order->add_product( $product, 1 );
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$order->calculate_totals();
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$order->save();
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// Test setting items to the cart.
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( WC()->cart );
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$this->assertEquals( 1, count( $discounts->get_items() ) );
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// Test setting items to an order.
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( WC()->cart );
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$this->assertEquals( 1, count( $discounts->get_items() ) );
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// Empty array of items.
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( array() );
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$this->assertEquals( array(), $discounts->get_items() );
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// Invalid items.
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( false );
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$this->assertEquals( array(), $discounts->get_items() );
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// Cleanup.
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WC()->cart->empty_cart();
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$product->delete( true );
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$order->delete( true );
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}
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/**
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* Test applying a coupon (make sure it changes prices).
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*/
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public function test_apply_coupon() {
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$discounts = new WC_Discounts();
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// Create dummy content.
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$product = WC_Helper_Product::create_simple_product();
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$product->set_tax_status( 'taxable' );
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$product->save();
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WC()->cart->empty_cart();
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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$coupon = WC_Helper_Coupon::create_coupon( 'test' );
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$coupon->set_amount( 10 );
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// Apply a percent discount.
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$coupon->set_discount_type( 'percent' );
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$discounts->set_items_from_cart( WC()->cart );
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$discounts->apply_discount( $coupon );
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$this->assertEquals( 9, $discounts->get_discounted_price( current( $discounts->get_items() ) ) );
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// Apply a fixed cart coupon.
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$coupon->set_discount_type( 'fixed_cart' );
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$discounts->set_items_from_cart( WC()->cart );
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$discounts->apply_discount( $coupon );
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$this->assertEquals( 0, $discounts->get_discounted_price( current( $discounts->get_items() ) ) );
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// Apply a fixed product coupon.
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$coupon->set_discount_type( 'fixed_product' );
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$discounts->set_items_from_cart( WC()->cart );
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$discounts->apply_discount( $coupon );
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$this->assertEquals( 0, $discounts->get_discounted_price( current( $discounts->get_items() ) ) );
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// Cleanup.
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WC()->cart->empty_cart();
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$product->delete( true );
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$coupon->delete( true );
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}
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/**
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* Test various discount calculations are working correctly and produding expected results.
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*/
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public function test_calculations() {
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$tax_rate = array(
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'tax_rate_country' => '',
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'tax_rate_state' => '',
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'tax_rate' => '20.0000',
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'tax_rate_name' => 'VAT',
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'tax_rate_priority' => '1',
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'tax_rate_compound' => '0',
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'tax_rate_shipping' => '1',
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'tax_rate_order' => '1',
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'tax_rate_class' => '',
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);
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$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
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update_option( 'woocommerce_calc_taxes', 'yes' );
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$tests = array(
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 1,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'percent',
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'amount' => '20',
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),
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),
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'expected_total_discount' => 2,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 2,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '10',
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),
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),
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'expected_total_discount' => 10,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '10',
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),
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),
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'expected_total_discount' => 10,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '10',
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),
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),
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'expected_total_discount' => 10,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 2,
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),
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array(
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'price' => 10,
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'qty' => 3,
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),
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array(
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'price' => 10,
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'qty' => 2,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '10',
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),
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),
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'expected_total_discount' => 10,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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array(
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'price' => 10,
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'qty' => 1,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '10',
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),
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),
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'expected_total_discount' => 10,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 1,
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'qty' => 1,
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),
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array(
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'price' => 1,
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'qty' => 1,
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),
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array(
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'price' => 1,
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'qty' => 1,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'fixed_cart',
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'amount' => '1',
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),
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),
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'expected_total_discount' => 1,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 2,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'percent',
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'amount' => '10',
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'limit_usage_to_x_items' => 1,
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),
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),
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'expected_total_discount' => 1,
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),
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array(
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'prices_include_tax' => false,
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'cart' => array(
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array(
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'price' => 10,
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'qty' => 2,
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),
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array(
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'price' => 10,
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'qty' => 2,
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),
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),
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'coupons' => array(
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array(
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'code' => 'test',
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'discount_type' => 'percent',
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'amount' => '10',
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'limit_usage_to_x_items' => 1,
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),
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),
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'expected_total_discount' => 1,
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),
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);
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$coupon = WC_Helper_Coupon::create_coupon( 'test' );
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foreach ( $tests as $test_index => $test ) {
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$discounts = new WC_Discounts();
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$products = array();
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foreach ( $test['cart'] as $item ) {
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$product = WC_Helper_Product::create_simple_product();
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$product->set_regular_price( $item['price'] );
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$product->set_tax_status( 'taxable' );
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$product->save();
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WC()->cart->add_to_cart( $product->get_id(), $item['qty'] );
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$products[] = $product;
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}
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$discounts->set_items_from_cart( WC()->cart );
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foreach ( $test['coupons'] as $coupon_props ) {
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$coupon->set_props( $coupon_props );
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$discounts->apply_discount( $coupon );
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}
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$this->assertEquals( $test['expected_total_discount'], array_sum( $discounts->get_discounts() ), 'Test case ' . $test_index . ' failed (' . print_r( $test, true ) . ' - ' . print_r( $discounts->get_discounts(), true ) . ')' );
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// Clean.
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WC()->cart->empty_cart();
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foreach ( $products as $product ) {
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$product->delete( true );
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}
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}
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WC_Tax::_delete_tax_rate( $tax_rate_id );
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update_option( 'woocommerce_calc_taxes', 'no' );
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$coupon->delete( true );
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}
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/**
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* Test apply_discount method.
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*/
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public function test_apply_discount() {
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$tax_rate = array(
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'tax_rate_country' => '',
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'tax_rate_state' => '',
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'tax_rate' => '20.0000',
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'tax_rate_name' => 'VAT',
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'tax_rate_priority' => '1',
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'tax_rate_compound' => '0',
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'tax_rate_shipping' => '1',
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'tax_rate_order' => '1',
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'tax_rate_class' => '',
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);
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$tax_rate2 = array(
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'tax_rate_country' => '',
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'tax_rate_state' => '',
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'tax_rate' => '20.0000',
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'tax_rate_name' => 'VAT',
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'tax_rate_priority' => '1',
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'tax_rate_compound' => '0',
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'tax_rate_shipping' => '1',
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'tax_rate_order' => '1',
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'tax_rate_class' => 'reduced-rate',
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);
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$tax_rate_id = WC_Tax::_insert_tax_rate( $tax_rate );
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$tax_rate_id2 = WC_Tax::_insert_tax_rate( $tax_rate2 );
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update_option( 'woocommerce_calc_taxes', 'yes' );
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$product = WC_Helper_Product::create_simple_product();
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$product2 = WC_Helper_Product::create_simple_product();
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$product->set_tax_class( '' );
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$product2->set_tax_class( 'reduced-rate' );
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$product->save();
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$product2->save();
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// Add product to the cart.
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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WC()->cart->add_to_cart( $product2->get_id(), 1 );
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( WC()->cart );
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$discounts->apply_discount( '50%' );
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$all_discounts = $discounts->get_discounts();
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$this->assertEquals( 10, $all_discounts['discount-50%'] );
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$discounts->apply_discount( '50%' );
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$all_discounts = $discounts->get_discounts();
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$this->assertEquals( 10, $all_discounts['discount-50%'], print_r( $all_discounts, true ) );
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$this->assertEquals( 5, $all_discounts['discount-50%-2'], print_r( $all_discounts, true ) );
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// Test fixed discounts.
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$discounts = new WC_Discounts();
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$discounts->set_items_from_cart( WC()->cart );
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$discounts->apply_discount( '5' );
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$all_discounts = $discounts->get_discounts();
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$this->assertEquals( 5, $all_discounts['discount-5'] );
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$discounts->apply_discount( '5' );
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$all_discounts = $discounts->get_discounts();
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$this->assertEquals( 5, $all_discounts['discount-5'], print_r( $all_discounts, true ) );
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$this->assertEquals( 5, $all_discounts['discount-5-2'], print_r( $all_discounts, true ) );
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$discounts->apply_discount( '15' );
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$all_discounts = $discounts->get_discounts();
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$this->assertEquals( 5, $all_discounts['discount-5'], print_r( $all_discounts, true ) );
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$this->assertEquals( 5, $all_discounts['discount-5-2'], print_r( $all_discounts, true ) );
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$this->assertEquals( 10, $all_discounts['discount-15'], print_r( $all_discounts, true ) );
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// Cleanup.
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WC()->cart->empty_cart();
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$product->delete( true );
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$product2->delete( true );
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WC_Tax::_delete_tax_rate( $tax_rate_id );
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WC_Tax::_delete_tax_rate( $tax_rate_id2 );
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update_option( 'woocommerce_calc_taxes', 'no' );
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}
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}
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