replacement-data-provider.php

<?php
class Tests_TheseAllFail extends WP_UnitTestCase {
	public function test_query_var_getter_returns_as_passed( $query_var, $query_var_value ) {
		// $this->markTestSkipped();
		$query = new WP_Query();
		$query->parse_query(
			array(
				$query_var => $query_var_value,
			)
		);

		$this->assertSame( $query_var_value, $query->get( $query_var ), 'Query variable getter should type and order in which it was passed' );
	}

	public function data_query_var_getter_returns_as_passed() {
		return array(
			'post_id string'              => array( 'p', '1' ),
			'page_id string'              => array( 'page_id', '1' ),

			'post_type null'              => array( 'post_type', null ),

			'cat string[]'                => array( 'cat', array( '1', '2' ) ),
			'cat int'                     => array( 'cat', 1 ),

			'tag string[]'                => array( 'tag', array( '1', '2' ) ),
			'tag int'                     => array( 'tag', 1 ),

			'category__in string[]'       => array( 'category__in', array( '1', '2' ) ),
			'category__in int[] dupe'     => array( 'category__in', array( 1, 1, 2, 2 ) ),

			'category__not_in string[]'   => array( 'category__not_in', array( '1', '2' ) ),
			'category__not_in int[] dupe' => array( 'category__not_in', array( 1, 1, 2, 2 ) ),

			'category__and string[]'      => array( 'category__and', array( '1', '2' ) ),
			'category__and int[] dupe'    => array( 'category__and', array( 1, 1, 2, 2 ) ),

			'tag_id string[]'             => array( 'tag_id', '1' ),

			'tag__in string[]'            => array( 'tag__in', array( '1', '2' ) ),
			'tag__in int[] dupe'          => array( 'tag__in', array( 1, 1, 2, 2 ) ),

			'tag__not_in string[]'        => array( 'tag__not_in', array( '1', '2' ) ),
			'tag__not_in int[] dupe'      => array( 'tag__not_in', array( 1, 1, 2, 2 ) ),

			'tag__and string[]'           => array( 'tag__and', array( '1', '2' ) ),
			'tag__and int[] dupe'         => array( 'tag__and', array( 1, 1, 2, 2 ) ),

			'tag_slug__in dupe'           => array( 'tag_slug__in', array( 'pwcc', 'pwcc' ) ),
			'tag_slug__and dupe'          => array( 'tag_slug__and', array( 'joe', 'joe', 'zepp' ) ),

			// Not a big deal.
			'ignore_sticky_posts null'    => array( 'ignore_sticky_posts', null ), // ! isset()
			'cache_results null'          => array( 'cache_results', null ), // ! isset()
			'update_post_term_cache null' => array( 'update_post_term_cache', null ), // ! isset()
			'lazy_load_term_meta null'    => array( 'lazy_load_term_meta', null ), // ! isset()
		);
	}
}