<?php

/**

* @group taxonomy

*/

class Tests_Tax_Query extends WP_UnitTestCase {

protected $q;

function setUp() {

parent::setUp();

unset( $this->q );

$this->q = new WP_Query();

}

function test_category__and_var() {

$term_id = $this->factory->category->create( array( 'slug' => 'woo', 'name' => 'WOO!' ) );

$term_id2 = $this->factory->category->create( array( 'slug' => 'hoo', 'name' => 'HOO!' ) );

$post_id = $this->factory->post->create();

wp_set_post_categories( $post_id, $term_id );

$posts = $this->q->query( array( 'category__and' => array( $term_id ) ) );

$this->assertEmpty( $this->q->get( 'category__and' ) );

$this->assertCount( 0, $this->q->get( 'category__and' ) );

$this->assertNotEmpty( $this->q->get( 'category__in' ) );

$this->assertCount( 1, $this->q->get( 'category__in' ) );

$this->assertNotEmpty( $posts );

$this->assertEquals( array( $post_id ), wp_list_pluck( $posts, 'ID' ) );

$posts2 = $this->q->query( array( 'category__and' => array( $term_id, $term_id2 ) ) );

$this->assertNotEmpty( $this->q->get( 'category__and' ) );

$this->assertCount( 2, $this->q->get( 'category__and' ) );

$this->assertEmpty( $this->q->get( 'category__in' ) );

$this->assertCount( 0, $this->q->get( 'category__in' ) );

$this->assertEmpty( $posts2 );

}

function test_taxonomy_with_attachments() {

register_taxonomy_for_object_type( 'post_tag', 'attachment:image' );

$tag_id = $this->factory->term->create( array( 'slug' => rand_str(), 'name' => rand_str() ) );

$image_id = $this->factory->attachment->create_object( 'image.jpg', 0, array(

'post_mime_type' => 'image/jpeg',

'post_type' => 'attachment'

) );

wp_set_object_terms( $image_id, $tag_id, 'post_tag' );

$posts = $this->q->query( array(

'fields' => 'ids',

'post_type' => 'attachment',

'post_status' => 'inherit',

'tax_query' => array(

array(

'taxonomy' => 'post_tag',

'field' => 'term_id',

'terms' => array( $tag_id )

)

)

) );

$this->assertEquals( array( $image_id ), $posts );

}

}