woocommerce/tests/unit-tests/coupon/coupon.php

312 lines
8.6 KiB
PHP

<?php
/**
* Coupon tests.
*
* @package WooCommerce\Tests\Coupon
*/
/**
* Class Coupon.
* @package WooCommerce\Tests\Coupon
* @group coupons
*/
class WC_Tests_Coupon extends WC_Unit_Test_Case {
/**
* Sets up the test class.
*/
public function setUp() {
parent::setUp();
// Set a valid address for the customer so shipping rates will calculate.
WC()->customer->set_shipping_country( 'US' );
WC()->customer->set_shipping_state( 'NY' );
WC()->customer->set_shipping_postcode( '12345' );
}
/**
* Cleans up after the test class.
*/
public function tearDown() {
WC()->cart->empty_cart();
WC()->cart->remove_coupons();
parent::tearDown();
}
/**
* Test the code/id differentiation of the coupon constructor.
*
* @since 3.2
*/
public function test_constructor_code_id() {
$string_code_1 = 'test';
// Coupon with a standard string code.
$coupon_1 = new WC_Coupon();
$coupon_1->set_code( $string_code_1 );
$coupon_1->save();
// Coupon with a string code that is the same as coupon 1's ID.
$coupon_2 = new WC_Coupon();
$coupon_2->set_code( (string) $coupon_1->get_id() );
$coupon_2->save();
$int_id_1 = $coupon_1->get_id();
$int_id_2 = $coupon_2->get_id();
$string_code_2 = $coupon_2->get_code();
// Test getting a coupon by integer ID.
$test_coupon = new WC_Coupon( $int_id_1 );
$this->assertEquals( $int_id_1, $test_coupon->get_id() );
$test_coupon = new WC_Coupon( $int_id_2 );
$this->assertEquals( $int_id_2, $test_coupon->get_id() );
// Test getting a coupon by string code.
$test_coupon = new WC_Coupon( $string_code_1 );
$this->assertEquals( $string_code_1, $test_coupon->get_code() );
$test_coupon = new WC_Coupon( $string_code_2 );
$this->assertEquals( $string_code_2, $test_coupon->get_code() );
// Test getting a coupon by string id.
// Required for backwards compatibility, but will try and initialize coupon by code if possible first.
$test_coupon = new WC_Coupon( (string) $coupon_2->get_id() );
$this->assertEquals( $coupon_2->get_id(), $test_coupon->get_id() );
// Test getting a coupon by coupon object.
$test_coupon = new WC_Coupon( $coupon_1 );
$this->assertEquals( $test_coupon->get_id(), $coupon_1->get_id() );
}
/**
* Test add_discount method.
*
* @since 2.3
*/
public function test_add_discount() {
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon();
// Add coupon, test return statement.
$this->assertTrue( WC()->cart->add_discount( $coupon->get_code() ) );
// Test if total amount of coupons is 1.
$this->assertEquals( 1, count( WC()->cart->get_applied_coupons() ) );
}
/**
* Test add_discount method.
*
* @since 2.3
*/
public function test_add_discount_duplicate() {
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon();
// Add coupon.
$this->assertTrue( WC()->cart->add_discount( $coupon->get_code() ) );
// Add coupon again, test return statement.
$this->assertFalse( WC()->cart->add_discount( $coupon->get_code() ) );
// Test if total amount of coupons is 1.
$this->assertEquals( 1, count( WC()->cart->get_applied_coupons() ) );
}
/**
* Test fixed cart discount method.
*
* @since 2.3
*/
public function test_fixed_cart_discount() {
// Create product.
$product = WC_Helper_Product::create_simple_product();
$product->set_regular_price( 10 );
$product->save();
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon();
update_post_meta( $coupon->get_id(), 'discount_type', 'fixed_cart' );
update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
// Create a flat rate method.
WC_Helper_Shipping::create_simple_flat_rate();
// Add product to cart.
WC()->cart->add_to_cart( $product->get_id(), 1 );
// Add coupon.
WC()->cart->add_discount( $coupon->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 15.
$this->assertEquals( 15, WC()->cart->total );
}
/**
* Test fixed product discount method.
*
* @since 2.3
*/
public function test_fixed_product_discount() {
// Create product.
$product = WC_Helper_Product::create_simple_product();
$product->set_regular_price( 10 );
$product->save();
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon();
update_post_meta( $coupon->get_id(), 'discount_type', 'fixed_product' );
update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
// Create a flat rate method - $10.
WC_Helper_Shipping::create_simple_flat_rate();
// Add fee - $10.
WC_Helper_Fee::add_cart_fee();
// Add product to cart.
WC()->cart->add_to_cart( $product->get_id(), 1 );
// Add coupon.
WC()->cart->add_discount( $coupon->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 25.
$this->assertEquals( 25, WC()->cart->total );
}
/**
* Test percent product discount method.
*
* @since 2.3
*/
public function test_percent_discount() {
// Create product.
$product = WC_Helper_Product::create_simple_product();
$product->set_regular_price( 10 );
$product->save();
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon();
update_post_meta( $coupon->get_id(), 'discount_type', 'percent' );
update_post_meta( $coupon->get_id(), 'coupon_amount', '5' );
// Create a flat rate method.
WC_Helper_Shipping::create_simple_flat_rate();
// Add fee.
WC_Helper_Fee::add_cart_fee();
// Add product to cart.
WC()->cart->add_to_cart( $product->get_id(), 1 );
// Add coupon.
WC()->cart->add_discount( $coupon->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( 29.5, WC()->cart->total );
}
/**
* Test date setters/getters.
*
* @since 3.0.0
*/
public function test_dates() {
$valid_coupon = WC_Helper_Coupon::create_coupon();
$valid_coupon->set_date_expires( time() + 1000 );
$valid_coupon->set_date_created( time() );
$valid_coupon->set_date_modified( time() );
$expired_coupon = WC_Helper_Coupon::create_coupon();
$expired_coupon->set_date_expires( time() - 10 );
$expired_coupon->set_date_created( time() - 20 );
$expired_coupon->set_date_modified( time() - 20 );
$this->assertInstanceOf( 'WC_DateTime', $valid_coupon->get_date_created() );
$this->assertTrue( $valid_coupon->is_valid() );
$this->assertFalse( $expired_coupon->is_valid() );
$this->assertEquals( $expired_coupon->get_error_message(), $expired_coupon->get_coupon_error( WC_Coupon::E_WC_COUPON_EXPIRED ) );
}
/**
* Test an item limit for percent discounts.
*/
public function test_percent_discount_item_limit() {
// Create product.
$product = WC_Helper_Product::create_simple_product();
update_post_meta( $product->get_id(), '_price', '10' );
update_post_meta( $product->get_id(), '_regular_price', '10' );
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon(
'dummycoupon',
array(
'discount_type' => 'percent',
'coupon_amount' => '5',
'limit_usage_to_x_items' => 1,
)
);
// We need this to have the calculate_totals() method calculate totals.
if ( ! defined( 'WOOCOMMERCE_CHECKOUT' ) ) {
define( 'WOOCOMMERCE_CHECKOUT', true );
}
// Add 2 products and coupon to cart.
WC()->cart->add_to_cart( $product->get_id(), 2 );
WC()->cart->add_discount( $coupon->get_code() );
WC()->cart->calculate_totals();
// Test if the cart total amount is equal 19.5 (coupon only applying to one item).
$this->assertEquals( 19.5, WC()->cart->total );
}
/**
* Test the coupon's item limit.
*/
public function test_custom_discount_item_limit() {
// Register custom discount type.
WC_Helper_Coupon::register_custom_type( __FUNCTION__ );
// Create product.
$product = WC_Helper_Product::create_simple_product();
update_post_meta( $product->get_id(), '_price', '10' );
update_post_meta( $product->get_id(), '_regular_price', '10' );
// Create coupon.
$coupon = WC_Helper_Coupon::create_coupon(
'dummycoupon',
array(
'discount_type' => __FUNCTION__,
'coupon_amount' => '5',
'limit_usage_to_x_items' => 1,
)
);
// Add 4 products and coupon to cart.
WC()->cart->add_to_cart( $product->get_id(), 4 );
WC()->cart->add_discount( $coupon->get_code() );
WC()->cart->calculate_totals();
// Test if the cart total amount is equal 39.5 (coupon only applying to one item).
$this->assertEquals( 39.5, WC()->cart->total );
}
}