195 lines
7.6 KiB
PHP
195 lines
7.6 KiB
PHP
<?php
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/**
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* Unit tests for wc-stock-functions.php.
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*
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* @package WooCommerce\Tests\Functions\Stock
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*/
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/**
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* Class WC_Stock_Functions_Tests.
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*/
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class WC_Stock_Functions_Tests extends \WC_Unit_Test_Case {
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/**
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* @var array List of statuses which reduces stock from inventory.
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*/
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public $order_stock_reduce_statuses = array(
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'wc-processing',
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'wc-completed',
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'wc-on-hold',
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);
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/**
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* @var array List of statuses which restores stock back into inventory.
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*/
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public $order_stock_restore_statuses = array(
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'wc-cancelled',
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'wc-pending',
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);
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/**
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* @var array List of statuses which have no impact on inventory.
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*/
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public $order_stock_no_effect_statuses = array(
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'wc-failed',
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'wc-refunded',
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);
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/**
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* Helper function to simulate creating order from cart.
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*
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* @param string $status Status for the newly created order.
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*/
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private function create_order_from_cart_with_status( $status ) {
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$product = WC_Helper_Product::create_simple_product(
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true,
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array(
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'manage_stock' => true,
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'stock_quantity' => 10,
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)
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);
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WC()->cart->empty_cart();
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WC()->cart->add_to_cart( $product->get_id(), 1 );
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WC()->cart->calculate_totals();
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$checkout = WC_Checkout::instance();
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$order = new WC_Order();
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$checkout->set_data_from_cart( $order );
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$order->set_status( $status );
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$order->save();
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return $order;
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}
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/**
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* Helper function to change order status and assert product inventory values.
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*
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* @param string $status_from Initial status of the order.
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* @param string $status_to Status to transition the order to.
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* @param int $before_transition Inventory value before order status is changed.
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* @param int $after_transition Inventory value after order status change.
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*/
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private function transition_order_status_and_assert_stock_quantity( $status_from, $status_to, $before_transition, $after_transition ) {
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$order = $this->create_order_from_cart_with_status( $status_from );
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$order_item = array_values( $order->get_items( 'line_item' ) )[0];
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$product = new WC_Product( $order_item->get_product_id() );
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$this->assertEquals( $before_transition, $product->get_stock_quantity() );
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// Changing status from UI also calls this method in metadata save hook. This has impact on stock levels, so simulate it here as well.
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wc_save_order_items( $order, $order->get_items() );
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$order->set_status( $status_to );
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$order->save();
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$product = new WC_Product( $order_item->get_product_id() );
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$this->assertEquals( $after_transition, $product->get_stock_quantity(), "Stock levels unexpected when transitioning from $status_from to $status_to." );
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}
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/**
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* Test inventory count after order status transtions which reduces stock to another status which also reduces stock.
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* Stock should have reduced once already, and should not reduce again.
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*/
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public function test_status_transition_stock_reduce_to_stock_reduce() {
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foreach ( $this->order_stock_reduce_statuses as $order_status_from ) {
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foreach ( $this->order_stock_reduce_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 9, 9 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which reduces stock to another status which restores stock.
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* Should should have already reduced once, and will increase again after transitioning.
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*/
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public function test_status_transition_stock_reduce_to_stock_restore() {
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foreach ( $this->order_stock_reduce_statuses as $order_status_from ) {
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foreach ( $this->order_stock_restore_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 9, 10 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which reduces stock to another status which don't affect inventory.
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* Stock should have already reduced, and will not change on transitioning.
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*/
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public function test_status_transition_stock_reduce_to_stock_no_effect() {
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foreach ( $this->order_stock_reduce_statuses as $order_status_from ) {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 9, 9 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which restores stock to another status which reduces stock.
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* Stock should not have reduced, but will reduce after transition.
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*/
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public function test_status_transition_stock_restore_to_stock_reduce() {
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foreach ( $this->order_stock_restore_statuses as $order_status_from ) {
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foreach ( $this->order_stock_reduce_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 9 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which restores stock to another status which also restores stock.
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* Stock should not have reduced, and will remain the same even after transition (i.e. should not be restocked again).
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*/
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public function test_status_transition_stock_restore_to_stock_restore() {
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foreach ( $this->order_stock_restore_statuses as $order_status_from ) {
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foreach ( $this->order_stock_restore_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 10 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which restores stock to another status which don't affect inventory.
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* Stock should not have reduced, and will remain the same even after transition.
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*/
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public function test_status_transition_stock_restore_to_stock_no_effect() {
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foreach ( $this->order_stock_restore_statuses as $order_status_from ) {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 10 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which don't affect inventory stock to another status which reduces stock.
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* Stock would not have been affected, but will reduce after transition.
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*/
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public function test_status_transition_stock_no_effect_to_stock_reduce() {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_from ) {
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foreach ( $this->order_stock_reduce_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 9 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which don't affect inventory stock to another status which restores stock.
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* Stock would not have been affected, and will not be restored after transition (since it was not reduced to begin with).
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*/
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public function test_status_transition_stock_no_effect_to_stock_restore() {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_from ) {
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foreach ( $this->order_stock_restore_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 10 );
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}
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}
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}
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/**
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* Test inventory count after order status transtions which don't affect inventory stock to another status which also don't affect inventory.
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* Stock levels will not change before or after the transition.
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*/
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public function test_status_transition_stock_no_effect_to_stock_no_effect() {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_from ) {
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foreach ( $this->order_stock_no_effect_statuses as $order_status_to ) {
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$this->transition_order_status_and_assert_stock_quantity( $order_status_from, $order_status_to, 10, 10 );
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}
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}
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}
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}
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