woocommerce/tests/legacy/unit-tests/product/product-variation.php

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<?php
/**
* Tests for the WC_Product_Variation class.
*
* @package WooCommerce\Tests\Product
*/
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/**
* Class Product_Variation.
*
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* @since 3.0
*/
class WC_Tests_Product_Variation extends WC_Unit_Test_Case {
/**
* Test is_sold_individually().
*
* @since 2.3
*/
public function test_is_sold_individually() {
// Create a variable product with sold individually.
$product = new WC_Product_Variable();
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$product->set_sold_individually( true );
$product->save();
$variation = new WC_Product_Variation();
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$variation->set_parent_id( $product->get_id() );
$variation->save();
$variation = wc_get_product( $variation->get_id() );
$this->assertTrue( $variation->is_sold_individually() );
}
/**
* Check get_tax_class against different parent child scenarios
*/
public function test_get_tax_class() {
$product = new WC_Product_Variable();
$product->set_tax_class( 'standard' );
$product->save();
$variation = new WC_Product_Variation();
$variation->set_parent_id( $product->get_id() );
$variation->set_tax_class( 'parent' );
$variation->save();
$variation = wc_get_product( $variation->get_id() );
$this->assertEquals( '', $variation->get_tax_class( 'unfiltered' ) );
$this->assertEquals( 'parent', $variation->get_tax_class( 'edit' ) );
$this->assertEquals( '', $variation->get_tax_class( 'view' ) );
$variation->set_tax_class( 'standard' );
$variation->save();
$variation = wc_get_product( $variation->get_id() );
$this->assertEquals( '', $variation->get_tax_class( 'unfiltered' ) );
$this->assertEquals( '', $variation->get_tax_class( 'edit' ) );
$this->assertEquals( '', $variation->get_tax_class( 'view' ) );
$variation->set_tax_class( 'reduced-rate' );
$variation->save();
$variation = wc_get_product( $variation->get_id() );
$this->assertEquals( 'reduced-rate', $variation->get_tax_class( 'unfiltered' ) );
$this->assertEquals( 'reduced-rate', $variation->get_tax_class( 'edit' ) );
$this->assertEquals( 'reduced-rate', $variation->get_tax_class( 'view' ) );
$product->set_tax_class( 'zero-rate' );
$product->save();
$variation->set_tax_class( 'parent' );
$variation->save();
$variation = wc_get_product( $variation->get_id() );
$this->assertEquals( 'zero-rate', $variation->get_tax_class( 'unfiltered' ) );
$this->assertEquals( 'parent', $variation->get_tax_class( 'edit' ) );
$this->assertEquals( 'zero-rate', $variation->get_tax_class( 'view' ) );
}
/**
* Test that WC_Product_Variation throws an exception
* when called with a product ID that belongs to a product
* of a different type.
*
* Ticket: https://github.com/woocommerce/woocommerce/issues/24956
*/
public function test_product_variation_should_throw_exception_when_instantiated_with_invalid_id() {
$this->expectExceptionMessage( 'Invalid product type: passed ID does not correspond to a product variation.' );
$variable_product = WC_Helper_Product::create_variation_product();
new WC_Product_Variation( $variable_product->get_id() );
}
/**
* @testdox Test that get_variation_attributes returns the appropriate values.
*
* @param bool $with_prefix Parameter for get_variation_attributes.
* @param string $expected_prefix Expected prefix on the returned attribute names.
*
* @testWith [true, "attribute_"]
* [false, ""]
*/
public function test_get_variation_attributes( $with_prefix, $expected_prefix ) {
$product = WC_Helper_Product::create_variation_product();
$sut = wc_get_product( $product->get_children()[2] );
$expected = array(
$expected_prefix . 'pa_size' => 'huge',
$expected_prefix . 'pa_colour' => 'red',
$expected_prefix . 'pa_number' => '0',
);
$actual = $sut->get_variation_attributes( $with_prefix );
$this->assertEquals( $expected, $actual );
}
/**
* @testdox Test that the delete method removes the attribute terms for the variation.
*/
public function test_delete_removes_attribute_terms() {
$product = WC_Helper_Product::create_variation_product();
$sut = wc_get_product( $product->get_children()[2] );
$id = $sut->get_id();
$sut->delete( true );
$attribute_names = wc_get_attribute_taxonomy_names();
$variation_attribute_terms = wp_get_post_terms( $id, $attribute_names );
$this->assertEmpty( $variation_attribute_terms );
}
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}