function NodeSaveTest::testDeterminingChanges

Tests node presave and static node load cache.

This test determines changes in hook_ENTITY_TYPE_presave() and verifies that the static node load cache is cleared upon save.

File

core/modules/node/tests/src/Functional/NodeSaveTest.php, line 151

Class

NodeSaveTest

Tests $node->save() for saving content.

Namespace

Code

public function testDeterminingChanges() : void {
    // Initial creation.
    $node = Node::create([
        'uid' => $this->webUser
            ->id(),
        'type' => 'article',
        'title' => 'test_changes',
    ]);
    $node->save();
    // Update the node without applying changes.
    $node->save();
    $this->assertEquals('test_changes', $node->label(), 'No changes have been determined.');
    // Apply changes.
    $node->title = 'updated';
    $node->save();
    // The hook implementations node_test_node_presave() and
    // node_test_node_update() determine changes and change the title.
    $this->assertEquals('updated_presave_update', $node->label(), 'Changes have been determined.');
    // Test the static node load cache to be cleared.
    $node = Node::load($node->id());
    $this->assertEquals('updated_presave', $node->label(), 'Static cache has been cleared.');
}