silverstripe-framework/tests/model/HierarchyTest.php

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<?php
class HierarchyTest extends SapphireTest {
static $fixture_file = 'sapphire/tests/model/HierarchyTest.yml';
/**
* Test Hierarchy::AllHistoricalChildren().
*/
function testAllHistoricalChildren() {
// Delete some pages
$this->objFromFixture('Page', 'page2b')->delete();
$this->objFromFixture('Page', 'page3a')->delete();
$this->objFromFixture('Page', 'page3')->delete();
// Check that page1-3 appear at the top level of the AllHistoricalChildren tree
$this->assertEquals(array("Page 1", "Page 2", "Page 3"),
singleton('Page')->AllHistoricalChildren()->column('Title'));
// Check numHistoricalChildren
$this->assertEquals(3, singleton('Page')->numHistoricalChildren());
// Check that both page 2 children are returned
$page2 = $this->objFromFixture('Page', 'page2');
$this->assertEquals(array("Page 2a", "Page 2b"),
$page2->AllHistoricalChildren()->column('Title'));
// Check numHistoricalChildren
$this->assertEquals(2, $page2->numHistoricalChildren());
// Page 3 has been deleted; let's bring it back from the grave
$page3 = Versioned::get_including_deleted("SiteTree", "\"Title\" = 'Page 3'")->First();
// Check that both page 3 children are returned
$this->assertEquals(array("Page 3a", "Page 3b"),
$page3->AllHistoricalChildren()->column('Title'));
// Check numHistoricalChildren
$this->assertEquals(2, $page3->numHistoricalChildren());
}
/**
* Test that you can call Hierarchy::markExpanded/Unexpanded/Open() on a page, and that
* calling Hierarchy::isMarked() on a different instance of that object will return true.
*/
function testItemMarkingIsntRestrictedToSpecificInstance() {
// Mark a few pages
$this->objFromFixture('Page', 'page2')->markExpanded();
$this->objFromFixture('Page', 'page2a')->markExpanded();
$this->objFromFixture('Page', 'page2b')->markExpanded();
$this->objFromFixture('Page', 'page3')->markUnexpanded();
// Query some pages in a different context and check their m
$pages = DataObject::get("Page", '', '"ID" ASC');
$marked = $expanded = array();
foreach($pages as $page) {
if($page->isMarked()) $marked[] = $page->Title;
if($page->isExpanded()) $expanded[] = $page->Title;
}
$this->assertEquals(array('Page 2', 'Page 3', 'Page 2a', 'Page 2b'), $marked);
$this->assertEquals(array('Page 2', 'Page 2a', 'Page 2b'), $expanded);
}
function testNumChildren() {
$this->assertEquals($this->objFromFixture('Page', 'page1')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('Page', 'page2')->numChildren(), 2);
$this->assertEquals($this->objFromFixture('Page', 'page3')->numChildren(), 2);
$this->assertEquals($this->objFromFixture('Page', 'page2a')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('Page', 'page2b')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('Page', 'page3a')->numChildren(), 0);
$this->assertEquals($this->objFromFixture('Page', 'page3b')->numChildren(), 0);
$page1 = $this->objFromFixture('Page', 'page1');
$this->assertEquals($page1->numChildren(), 0);
$page1Child1 = new Page();
$page1Child1->ParentID = $page1->ID;
$page1Child1->write();
$this->assertEquals($page1->numChildren(false), 1,
'numChildren() caching can be disabled through method parameter'
);
$page1Child2 = new Page();
$page1Child2->ParentID = $page1->ID;
$page1Child2->write();
$page1->flushCache();
$this->assertEquals($page1->numChildren(), 2,
'numChildren() caching can be disabled by flushCache()'
);
}
function testLoadDescendantIDListIntoArray() {
$page2 = $this->objFromFixture('Page', 'page2');
$idList = $page2->getDescendantIDList();
$page2a = $this->objFromFixture('Page', 'page2a');
$page2b = $this->objFromFixture('Page', 'page2b');
$this->assertContains($page2a->ID, $idList, 'Page 2a is a descendant of Page 2');
$this->assertContains($page2b->ID, $idList, 'Page 2b is a descendant of Page 2');
$this->assertEquals(2, count($idList), 'There are 2 descendants of Page 2');
}
}