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added test coupon test case
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@kzamanbd
kzamanbd committed Jan 2, 2025
1 parent 08fb859 commit 5b234d5
Showing 1 changed file with 195 additions and 45 deletions.
240 changes: 195 additions & 45 deletions tests/php/src/Coupon/CouponTest.php
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namespace WeDevs\Dokan\Test\Coupon;

use Exception;
use WeDevs\Dokan\Test\DokanTestCase;
use WC_Coupon;

/**
* @group coupon-discount
*/
class CouponTest extends DokanTestCase {

public int $product_id1;
public int $product_id2;

public function set_up() {
parent::set_up();

$this->seller_id1 = $this->factory()->seller->create();
$this->seller_id2 = $this->factory()->seller->create();

$this->product_id1 = $this->factory()->product
->set_seller_id( $this->seller_id1 )
->create(
[
'name' => 'Test Product 1',
'regular_price' => 50,
'price' => 50,
]
);
$this->product_id2 = $this->factory()->product
->set_seller_id( $this->seller_id2 )
->create(
[
'name' => 'Test Product 2',
'regular_price' => 30,
'price' => 30,
]
);

$this->customer_id = $this->factory()->customer->create( [ 'email' => '[email protected]' ] );
}

public function get_order_data(): array {
return [
'status' => 'wc-completed',
'customer_id' => $this->customer_id,
'meta_data' => [],
'line_items' => [
[
'product_id' => $this->product_id1, // price 50
'quantity' => 2,
],
[
'product_id' => $this->product_id2, // price 30
'quantity' => 1,
],
],
];
}

/**
* @param $coupons array
* @return array
* Test coupon data provider for all products.
*
* @return array[]
*/
protected function create_coupon( array $coupons = [] ): array {
$coupon_codes = [
[
'code' => 'test_coupon1',
'status' => 'publish',
'meta' => [
'discount_type' => 'percent',
'coupon_amount' => 20,
public function data_provider_for_all_products(): array {
return [
'coupon-pd-20' => [
[
'code' => 'pd-20',
'status' => 'publish',
'meta' => [
'discount_type' => 'percent',
'coupon_amount' => 20,
],
],
[
'discount' => 26,
'total_sub_order' => 2,
],
],
];
$coupon_codes = array_merge( $coupon_codes, $coupons );
foreach ( $coupon_codes as $coupon_item ) {
$this->factory()->coupon->create_object( $coupon_item );
}
return $coupon_codes;
}
public function test_coupon_can_be_applied() {
$order_id = $this->create_multi_vendor_order();

/**
* Test coupon with all products.
*
* @dataProvider data_provider_for_all_products
* @throws Exception
*/
public function test_coupon_with_all_products( $input, $expected ) {
$coupon1 = $this->factory()->coupon->create_and_get( $input );

$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

$order = wc_get_order( $order_id );
$this->assertEquals( $expected['discount'], $order->get_total_discount(), 'Discount should be 26' );
// sub order
$sub_orders = dokan_get_suborder_ids_by( $order_id );
$this->assertCount( $expected['total_sub_order'], $sub_orders, 'Sub orders count should be 2' );
}

$coupons = $this->create_coupon();
/**
* Test coupon data provider for specific products.
*
* @return array[]
*/
public function data_provider_for_specific_products(): array {
return [
'coupon-pd-20' => [
[
'code' => 'pd-20',
'status' => 'publish',
'meta' => [
'discount_type' => 'fixed_product',
'coupon_amount' => 5,
'individual_use' => 'no',
],
],
[ 'discount' => 10 ],
],
];
}

// Apply the coupon to the order
foreach ( $coupons as $coupon ) {
$order->apply_coupon( $coupon['code'] );
$order->calculate_totals();
$order->save();
}
/**
* Test coupon with specific products.
*
* @dataProvider data_provider_for_specific_products
* @throws Exception
*/
public function test_coupon_with_specific_products( $input, $expected ) {
$input['meta']['product_ids'] = [ $this->product_id1 ];
$coupon1 = $this->factory()->coupon->create_and_get( $input );

$expected_parent = [
'total' => 58,
'discount' => 7,
];
$expected = [
[
'total' => 27,
'discount' => 3,
$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

$order = wc_get_order( $order_id );
$this->assertEquals( $expected['discount'], $order->get_total_discount(), 'Discount should be 10' );
}

public function test_coupon_with_usage_limit() {
$input = [
'code' => 'pd-20',
'status' => 'publish',
'meta' => [
'discount_type' => 'percent',
'coupon_amount' => 20,
'usage_limit' => 1,
],
];

$coupon1 = $this->factory()->coupon->create_and_get( $input );

$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

$order = wc_get_order( $order_id );
$this->assertEquals( 26, $order->get_total_discount() );

$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

$order = wc_get_order( $order_id );
$this->assertEquals( 0, $order->get_total_discount(), 'Discount should be 0' );
}

public function test_coupon_with_minimum_amount() {
$input = [
'code' => 'pd-20',
'status' => 'publish',
'meta' => [
'discount_type' => 'percent',
'coupon_amount' => 20,
'minimum_amount' => 200,
],
[
'total' => 21,
'discount' => 4,
];

$coupon1 = $this->factory()->coupon->create_and_get( $input );

$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

$order = wc_get_order( $order_id );
$this->assertNotContains( $input['code'], $order->get_coupon_codes(), 'Coupon code should not be applied' );
}

public function test_coupon_with_email_restrictions() {
$input = [
'code' => 'pd-20',
'status' => 'publish',
'meta' => [
'discount_type' => 'percent',
'coupon_amount' => 20,
'customer_email' => [ '[email protected]' ],
],
];
$coupon1 = $this->factory()->coupon->create_and_get( $input );

$this->assertEquals( $expected_parent['discount'], $order->get_total_discount() );
$this->assertEquals( $expected_parent['total'], $order->get_total() );
$order_id = $this->factory()->order
->set_item_shipping()
->set_item_coupon( $coupon1 )
->create( $this->get_order_data() );

// order has sub orders
$sub_orders = dokan_get_suborder_ids_by( $order_id );
foreach ( $sub_orders as $key => $sub_order_id ) {
$sub_order = wc_get_order( $sub_order_id );
$this->assertEquals( $expected[ $key ]['discount'], $sub_order->get_total_discount() );
$this->assertEquals( $expected[ $key ]['total'], $sub_order->get_total() );
}
$order = wc_get_order( $order_id );
$this->assertNotContains( $input['code'], $order->get_coupon_codes(), 'Coupon code should not be applied' );
}
}

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