wp-graphql-woocommerce/tests/wpunit/TaxClassQueriesTest.php

<?php

class TaxClassQueriesTest extends \Codeception\TestCase\WPTestCase
{

    public function setUp()
    {
        // before
        parent::setUp();

        // your set up methods here
    }

    public function tearDown()
    {
        // your tear down methods here

        // then
        parent::tearDown();
    }

    // tests
    public function testTaxClassQuery()
    {
        $query = "
            query {
                taxClass(id \"\") {
                    slug
                    name
                }
            }
        ";

        $actual = do_graphql_request( $query );

        /**
         * use --debug flag to view
         */
        \Codeception\Util\Debug::debug( $actual );

        $expected = [];

        $this->assertEquals( $expected, $actual );
    }

    public function testTaxClassesQuery()
    {
        $query = "
            query {
                taxClasses() {
                    nodes {
                        slug
                        name
                    }
                }
            }
        ";

        $actual = do_graphql_request( $query );

        /**
         * use --debug flag to view
         */
        \Codeception\Util\Debug::debug( $actual );

        $expected = [];

        $this->assertEquals( $expected, $actual );
    }

}