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walker.php
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199 lines (117 loc) · 5.64 KB
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<?php
/**
* @group post
* @group navmenus
* @group taxonomy
* @group walker
*/
class Tests_Walker extends WP_UnitTestCase {
function setUp() {
$this->walker = new Walker_Test();
parent::setUp();
}
function test_single_item() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li>', $output );
}
function test_single_item_flat() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ) );
$output = $this->walker->walk( $items, -1 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li>', $output );
}
function test_single_item_depth_1() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ) );
$output = $this->walker->walk( $items, 1 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li>', $output );
}
function test_multiple_items_single_level() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ), (object) array( 'id' => 2, 'parent' => 0 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 2, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li><li>2</li>', $output );
}
function test_multiple_items_multiple_levels() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ), (object) array( 'id' => 2, 'parent' => 1 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1<ul><li>2</li></ul></li>', $output );
}
function test_multiple_items_multiple_levels_flat() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ), (object) array( 'id' => 2, 'parent' => 1 ) );
$output = $this->walker->walk( $items, -1 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li><li>2</li>', $output );
}
function test_multiple_items_multiple_levels_depth_1() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ), (object) array( 'id' => 2, 'parent' => 1 ) );
$output = $this->walker->walk( $items, 1 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li>', $output );
}
function test_multiple_items_multiple_levels_depth_2() {
$items = array( (object) array( 'id' => 1, 'parent' => 0 ), (object) array( 'id' => 2, 'parent' => 1 ), (object) array( 'id' => 3, 'parent' => 2 ) );
$output = $this->walker->walk( $items, 2 );
$this->assertEquals( 1, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1<ul><li>2</li></ul></li>', $output );
}
function test_multiple_items_recursive() {
$items = array( (object) array( 'id' => 1, 'parent' => 2 ), (object) array( 'id' => 2, 'parent' => 1 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 0, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1<ul><li>2</li></ul></li>', $output );
}
function test_single_item_child() {
$items = array( (object) array( 'id' => 1, 'parent' => 3 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 0, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>1</li>', $output );
}
function test_single_item_missing_parent_depth_1() {
$items = array( (object) array( 'id' => 1, 'parent' => 3 ) );
$output = $this->walker->walk( $items, 1 );
$this->assertEquals( 0, $this->walker->get_number_of_root_elements( $items ) );
// It's not clear what the output of this "should" be
// Currently the item is simply returned
$this->assertEquals( '<li>1</li>', $output );
// But as we've only asked for the first depth maybe nothing should be returned?
//$this->assertEquals( '', $output );
}
function test_multiple_items_missing_parents() {
$items = array( (object) array( 'id' => 4, 'parent' => 1 ), (object) array( 'id' => 5, 'parent' => 2 ), (object) array( 'id' => 6, 'parent' => 3 ) );
$output = $this->walker->walk( $items, 0 );
$this->assertEquals( 0, $this->walker->get_number_of_root_elements( $items ) );
$this->assertEquals( '<li>4</li><li>5</li><li>6</li>', $output );
}
function test_multiple_items_missing_parents_depth_1() {
$items = array( (object) array( 'id' => 4, 'parent' => 1 ), (object) array( 'id' => 5, 'parent' => 2 ), (object) array( 'id' => 6, 'parent' => 3 ) );
$output = $this->walker->walk( $items, 1 );
$this->assertEquals( 0, $this->walker->get_number_of_root_elements( $items ) );
// It's not clear what the output of this "should" be
// Currently the first item is simply returned
$this->assertEquals( '<li>4</li>', $output );
// But as we've only asked for the first depth maybe nothing should be returned?
//$this->assertEquals( '', $output );
// Or maybe all items which are missing parents should simply be treat top level?
//$this->assertEquals( '<li>4</li><li>5</li><li>6</li>', $output );
}
}
class Walker_Test extends Walker {
var $tree_type = 'test';
var $db_fields = array ( 'parent' => 'parent', 'id' => 'id' );
function start_lvl( &$output, $depth = 0, $args = array() ) {
$output .= '<ul>';
}
function end_lvl( &$output, $depth = 0, $args = array() ) {
$output .= '</ul>';
}
function start_el( &$output, $item, $depth = 0, $args = array(), $current_page = 0 ) {
$output .= '<li>' . $item->id;
}
function end_el( &$output, $page, $depth = 0, $args = array() ) {
$output .= '</li>';
}
}