350 lines
9.9 KiB
PHP
350 lines
9.9 KiB
PHP
<?php
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/**
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* Coupon tests.
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*
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* @package WooCommerce\Tests\Coupon
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*/
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/**
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* Class Coupon.
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* @package WooCommerce\Tests\Coupon
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* @group coupons
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*/
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class WC_Tests_Coupon extends WC_Unit_Test_Case {
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/**
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* Sets up the test class.
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*/
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public function setUp() {
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parent::setUp();
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// Set a valid address for the customer so shipping rates will calculate.
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WC()->customer->set_shipping_country( 'US' );
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WC()->customer->set_shipping_state( 'NY' );
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WC()->customer->set_shipping_postcode( '12345' );
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}
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/**
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* Cleans up after the test class.
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*/
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public function tearDown() {
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WC()->cart->empty_cart();
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WC()->cart->remove_coupons();
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parent::tearDown();
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}
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/**
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* Test the code/id differentiation of the coupon constructor.
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*
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* @since 3.2
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*/
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public function test_constructor_code_id() {
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$string_code_1 = 'test';
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// Coupon with a standard string code.
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$coupon_1 = new WC_Coupon();
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$coupon_1->set_code( $string_code_1 );
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$coupon_1->save();
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// Coupon with a string code that is the same as coupon 1's ID.
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$coupon_2 = new WC_Coupon();
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$coupon_2->set_code( (string) $coupon_1->get_id() );
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$coupon_2->save();
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$int_id_1 = $coupon_1->get_id();
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$int_id_2 = $coupon_2->get_id();
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$string_code_2 = $coupon_2->get_code();
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// Test getting a coupon by integer ID.
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$test_coupon = new WC_Coupon( $int_id_1 );
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$this->assertEquals( $int_id_1, $test_coupon->get_id() );
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$test_coupon = new WC_Coupon( $int_id_2 );
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$this->assertEquals( $int_id_2, $test_coupon->get_id() );
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// Test getting a coupon by string code.
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$test_coupon = new WC_Coupon( $string_code_1 );
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$this->assertEquals( $string_code_1, $test_coupon->get_code() );
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$test_coupon = new WC_Coupon( $string_code_2 );
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$this->assertEquals( $string_code_2, $test_coupon->get_code() );
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// Test getting a coupon by string id.
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// Required for backwards compatibility, but will try and initialize coupon by code if possible first.
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$test_coupon = new WC_Coupon( (string) $coupon_2->get_id() );
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$this->assertEquals( $coupon_2->get_id(), $test_coupon->get_id() );
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// Test getting a coupon by coupon object.
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$test_coupon = new WC_Coupon( $coupon_1 );
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$this->assertEquals( $test_coupon->get_id(), $coupon_1->get_id() );
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}
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/**
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* Test add_discount method.
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*
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* @since 2.3
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*/
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public function test_add_discount() {
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon();
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// Add coupon, test return statement.
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$this->assertTrue( WC()->cart->add_discount( $coupon->get_code() ) );
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// Test if total amount of coupons is 1.
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$this->assertEquals( 1, count( WC()->cart->get_applied_coupons() ) );
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}
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/**
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* Test add_discount method.
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*
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* @since 2.3
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*/
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public function test_add_discount_duplicate() {
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon();
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// Add coupon.
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$this->assertTrue( WC()->cart->add_discount( $coupon->get_code() ) );
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// Add coupon again, test return statement.
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$this->assertFalse( WC()->cart->add_discount( $coupon->get_code() ) );
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// Test if total amount of coupons is 1.
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$this->assertEquals( 1, count( WC()->cart->get_applied_coupons() ) );
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}
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/**
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* Test fixed cart discount method.
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*
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* @since 2.3
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*/
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public function test_fixed_cart_discount() {
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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$product->set_regular_price( 10 );
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$product->save();
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon();
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update_post_meta( $coupon->get_id(), 'discount_type', 'fixed_cart' );
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update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
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// Create a flat rate method.
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WC_Helper_Shipping::create_simple_flat_rate();
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// Add product to cart.
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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// Add coupon.
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WC()->cart->add_discount( $coupon->get_code() );
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// Set the flat_rate shipping method.
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WC()->session->set( 'chosen_shipping_methods', array( 'flat_rate' ) );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 15.
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$this->assertEquals( 15, WC()->cart->total );
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}
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/**
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* Test fixed product discount method.
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*
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* @since 2.3
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*/
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public function test_fixed_product_discount() {
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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$product->set_regular_price( 10 );
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$product->save();
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon();
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update_post_meta( $coupon->get_id(), 'discount_type', 'fixed_product' );
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update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
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// Create a flat rate method - $10.
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WC_Helper_Shipping::create_simple_flat_rate();
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// Add fee - $10.
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WC_Helper_Fee::add_cart_fee();
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// Add product to cart.
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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// Add coupon.
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WC()->cart->add_discount( $coupon->get_code() );
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// Set the flat_rate shipping method.
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WC()->session->set( 'chosen_shipping_methods', array( 'flat_rate' ) );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 25.
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$this->assertEquals( 25, WC()->cart->total );
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}
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/**
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* Test percent product discount method.
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*
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* @since 2.3
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*/
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public function test_percent_discount() {
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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$product->set_regular_price( 10 );
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$product->save();
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon();
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update_post_meta( $coupon->get_id(), 'discount_type', 'percent' );
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update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
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// Create a flat rate method.
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WC_Helper_Shipping::create_simple_flat_rate();
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// Add fee.
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WC_Helper_Fee::add_cart_fee();
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// Add product to cart.
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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// Add coupon.
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WC()->cart->add_discount( $coupon->get_code() );
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// Set the flat_rate shipping method.
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WC()->session->set( 'chosen_shipping_methods', array( 'flat_rate' ) );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 29.5.
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$this->assertEquals( 29.5, WC()->cart->total );
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}
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/**
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* Tests that the remainder is handled correctly and does not turn the total negative.
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*
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* @since 4.1
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*/
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public function test_percent_discount_handles_remainder_correctly() {
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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$product->set_regular_price( 18 );
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$product->save();
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon( '20off' );
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update_post_meta( $coupon->get_id(), 'discount_type', 'percent' );
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update_post_meta( $coupon->get_id(), 'coupon_amount', '20' );
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$coupon_2 = WC_Helper_Coupon::create_coupon( '100off' );
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update_post_meta( $coupon_2->get_id(), 'discount_type', 'percent' );
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update_post_meta( $coupon_2->get_id(), 'coupon_amount', '100' );
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// Create a flat rate method.
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WC_Helper_Shipping::create_simple_flat_rate();
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// Add product to cart.
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WC()->cart->add_to_cart( $product->get_id(), 4 );
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// Add coupon.
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WC()->cart->add_discount( $coupon->get_code() );
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WC()->cart->add_discount( $coupon_2->get_code() );
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// Set the flat_rate shipping method.
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WC()->session->set( 'chosen_shipping_methods', array( 'flat_rate' ) );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 29.5.
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$this->assertEquals( 10, WC()->cart->total );
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}
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/**
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* Test date setters/getters.
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*
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* @since 3.0.0
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*/
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public function test_dates() {
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$valid_coupon = WC_Helper_Coupon::create_coupon();
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$valid_coupon->set_date_expires( time() + 1000 );
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$valid_coupon->set_date_created( time() );
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$valid_coupon->set_date_modified( time() );
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$expired_coupon = WC_Helper_Coupon::create_coupon();
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$expired_coupon->set_date_expires( time() - 10 );
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$expired_coupon->set_date_created( time() - 20 );
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$expired_coupon->set_date_modified( time() - 20 );
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$this->assertInstanceOf( 'WC_DateTime', $valid_coupon->get_date_created() );
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$this->assertTrue( $valid_coupon->is_valid() );
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$this->assertFalse( $expired_coupon->is_valid() );
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$this->assertEquals( $expired_coupon->get_error_message(), $expired_coupon->get_coupon_error( WC_Coupon::E_WC_COUPON_EXPIRED ) );
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}
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/**
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* Test an item limit for percent discounts.
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*/
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public function test_percent_discount_item_limit() {
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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update_post_meta( $product->get_id(), '_price', '10' );
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update_post_meta( $product->get_id(), '_regular_price', '10' );
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon(
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'dummycoupon',
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array(
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'discount_type' => 'percent',
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'coupon_amount' => '5',
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'limit_usage_to_x_items' => 1,
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)
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);
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// We need this to have the calculate_totals() method calculate totals.
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if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
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define( 'WOOCOMMERCE_CHECKOUT', true );
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}
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// Add 2 products and coupon to cart.
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WC()->cart->add_to_cart( $product->get_id(), 2 );
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WC()->cart->add_discount( $coupon->get_code() );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 19.5 (coupon only applying to one item).
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$this->assertEquals( 19.5, WC()->cart->total );
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}
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/**
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* Test the coupon's item limit.
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*/
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public function test_custom_discount_item_limit() {
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// Register custom discount type.
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WC_Helper_Coupon::register_custom_type( __FUNCTION__ );
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// Create product.
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$product = WC_Helper_Product::create_simple_product();
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update_post_meta( $product->get_id(), '_price', '10' );
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update_post_meta( $product->get_id(), '_regular_price', '10' );
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// Create coupon.
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$coupon = WC_Helper_Coupon::create_coupon(
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'dummycoupon',
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array(
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'discount_type' => __FUNCTION__,
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'coupon_amount' => '5',
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'limit_usage_to_x_items' => 1,
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)
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);
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// Add 4 products and coupon to cart.
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WC()->cart->add_to_cart( $product->get_id(), 4 );
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WC()->cart->add_discount( $coupon->get_code() );
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WC()->cart->calculate_totals();
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// Test if the cart total amount is equal 39.5 (coupon only applying to one item).
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$this->assertEquals( 39.5, WC()->cart->total );
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}
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}
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