woocommerce/tests/unit-tests/order-items/functions.php

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<?php
/**
* Order Item Function Tests
* @package WooCommerce\Tests\Order_Items
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* @since 3.0.0
*/
class WC_Tests_Order_Item_Functions extends WC_Unit_Test_Case {
/**
* test_wc_order_item_meta_functions
*
* wc_add_order_item_meta, wc_update_order_item_meta, and
* wc_delete_order_item_meta all make direct updates through
* a datastore. These tests make sure cache is properly busted and
* accessing those values via CRUD returns the correct value.
*
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* @since 3.0.0
*/
function test_wc_order_item_meta_functions() {
$meta_value = 'cat';
$meta_value2 = 'dog';
$order = new WC_Order();
$item_1 = new WC_Order_Item_Product();
$item_1->set_props(
array(
'product' => WC_Helper_Product::create_simple_product(),
'quantity' => 4,
)
);
$order->add_item( $item_1 );
$order->save();
$item = current( $order->get_items() );
$item_id = $item->get_id();
// Test that the initial key doesn't exist.
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$item = new WC_Order_Item_Product( $item_id );
$this->assertEmpty( $item->get_meta( '_test_key' ) );
$this->assertEmpty( wc_get_order_item_meta( $item_id, '_test_key' ) );
// Test making sure cache is properly busted when adding meta.
wc_add_order_item_meta( $item_id, '_test_key', $meta_value );
$item = new WC_Order_Item_Product( $item_id );
$item_meta = $item->get_meta( '_test_key' );
$this->assertEquals( $meta_value, $item_meta );
$this->assertEquals( $meta_value, wc_get_order_item_meta( $item_id, '_test_key' ) );
// Test making sure cache is properly busted when updating meta.
wc_update_order_item_meta( $item_id, '_test_key', $meta_value2 );
$item = new WC_Order_Item_Product( $item_id );
$item_meta = $item->get_meta( '_test_key' );
$this->assertEquals( $meta_value2, $item_meta );
$this->assertEquals( $meta_value2, wc_get_order_item_meta( $item_id, '_test_key' ) );
// Test making sure cache is properly busted when deleting meta.
wc_delete_order_item_meta( $item_id, '_test_key' );
$item = new WC_Order_Item_Product( $item_id );
$item_meta = $item->get_meta( '_test_key' );
$this->assertEmpty( $item->get_meta( '_test_key' ) );
$this->assertEmpty( wc_get_order_item_meta( $item_id, '_test_key' ) );
}
}