diff --git a/src/RemoteMenuLink.php b/src/RemoteMenuLink.php
index f37fd3fb04277132c3bc62e3c3b1bd0b3550c6cd..6d92976553de626b68a699e34104647e4a8e43ff 100644
--- a/src/RemoteMenuLink.php
+++ b/src/RemoteMenuLink.php
@@ -35,6 +35,7 @@ class RemoteMenuLink extends MenuLinkBase {
'menu_name' => 'remote',
'parent' => '',
'url' => 'https://cancer.ddev.site' . $link,
+ 'options' => [],
'title' => $title,
'class' => MenuLinkDefault::class,
'provider' => 'remote_menu_link',
diff --git a/src/RemoteMenuParser.php b/src/RemoteMenuParser.php
index f5aaa4be52ec34801eba6f7539483469e290976e..b064b1976cf39548b2918906fc7a54dbb105956d 100644
--- a/src/RemoteMenuParser.php
+++ b/src/RemoteMenuParser.php
@@ -136,7 +136,7 @@ class RemoteMenuParser {
* @return array
* The adjusted tree.
*/
- public static function insertLink(string $location, string $link, string $title, array $data): array {
+ protected static function insertLink(string $location, string $link, string $title, array $data): array {
$pointer = &$data;
$fragments = array_filter(explode('.', $location));
// Traverse the tree.
diff --git a/tests/src/Unit/ParserTest.php b/tests/src/Unit/ParserTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..7367f1abae03a8b10f839de37c23852b074c82d8
--- /dev/null
+++ b/tests/src/Unit/ParserTest.php
@@ -0,0 +1,156 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\menu_parser_php\Unit;
+
+use Drupal\Core\Menu\MenuLinkTreeElement;
+use Drupal\menu_parser_php\RemoteMenuParser;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Unit test class base.
+ *
+ * @coversDefaultClass \Drupal\menu_parser_php\RemoteMenuParser
+ */
+class ParserTest extends UnitTestCase {
+
+ /**
+ * @covers \Drupal\menu_parser_php\RemoteMenuParser::insertLink
+ */
+ public function testInsertLinks(): void {
+ $call_method = static function ($location, $link, $title, $data): array {
+ $class = new \ReflectionClass(RemoteMenuParser::class);
+ $method = $class->getMethod('insertLink');
+ $method->setAccessible(TRUE);
+ return $method->invokeArgs(NULL, [$location, $link, $title, $data]);
+ };
+
+ $data = [];
+
+ // Insert and check a top level item.
+ $data = $call_method('.000', '/test0', 'Title .000', $data);
+ static::assertArrayHasKey('000', $data);
+ $expected = [
+ 'link' => '/test0',
+ 'title' => 'Title .000',
+ 'location' => '.000',
+ ];
+ static::assertEqualsCanonicalizing($expected, $data['000']);
+
+ // Insert and check another top level item.
+ $data = $call_method('.001', '/test1', 'Title .001', $data);
+ static::assertArrayHasKey('001', $data);
+ $expected = [
+ 'link' => '/test1',
+ 'title' => 'Title .001',
+ 'location' => '.001',
+ ];
+ static::assertEqualsCanonicalizing($expected, $data['001']);
+
+ // Insert and check a second level item.
+ $data = $call_method('.002.000', '/test2', 'Title .002.000', $data);
+ static::assertArrayHasKey('002', $data);
+ static::assertArrayHasKey('subtree', $data['002']);
+ static::assertArrayHasKey('000', $data['002']['subtree']);
+ $expected = [
+ 'link' => '/test2',
+ 'title' => 'Title .002.000',
+ 'location' => '.002.000',
+ ];
+ static::assertEqualsCanonicalizing($expected, $data['002']['subtree']['000']);
+
+ // Insert and check another top level item.
+ $data = $call_method('.002', '/test3', 'Title .002', $data);
+ $expected = [
+ 'link' => '/test3',
+ 'title' => 'Title .002',
+ 'location' => '.002',
+ 'subtree' => [
+ '000' => $expected,
+ ],
+ ];
+ static::assertEqualsCanonicalizing($expected, $data['002']);
+
+ // Insert and check a second level item.
+ $data = $call_method('.000.000', '/test4', 'Title .000.000', $data);
+ static::assertArrayHasKey('subtree', $data['000']);
+ static::assertArrayHasKey('000', $data['000']['subtree']);
+ $expected = [
+ 'link' => '/test0',
+ 'title' => 'Title .000',
+ 'location' => '.000',
+ 'subtree' => [
+ '000' => [
+ 'link' => '/test4',
+ 'title' => 'Title .000.000',
+ 'location' => '.000.000',
+ ],
+ ],
+ ];
+ static::assertEqualsCanonicalizing($expected, $data['000']);
+ }
+
+ /**
+ * @covers \Drupal\menu_parser_php\RemoteMenuParser::convertToObjects
+ */
+ public static function testObjectCreation(): void {
+ // Create some sample output as ::insertLink would return it.
+ $data = [
+ '000' => [
+ 'link' => '/test0',
+ 'title' => 'Title .000',
+ 'location' => '.000',
+ ],
+ '001' => [
+ 'link' => '/test1',
+ 'title' => 'Title .001',
+ 'location' => '.001',
+ 'subtree' => [
+ '000' => [
+ 'link' => '/test0',
+ 'title' => 'Title .001.000',
+ 'location' => '.001.000',
+ ],
+ '001' => [
+ 'link' => '/test2',
+ 'title' => 'Title .001.001',
+ 'location' => '.001.001',
+ 'subtree' => [
+ '000' => [
+ 'link' => '/test3',
+ 'title' => 'Title .001.001.000',
+ 'location' => '.001.001.000',
+ ],
+ ],
+ ],
+ ],
+ ],
+ ];
+ // Call ::convertToObjects
+ $class = new \ReflectionClass(RemoteMenuParser::class);
+ $method = $class->getMethod('convertToObjects');
+ $method->setAccessible(TRUE);
+ $method->invokeArgs(NULL, [&$data]);
+
+ // Check the top level items.
+ static::assertArrayHasKey('000', $data);
+ static::assertArrayHasKey('001', $data);
+ static::assertCount(2, $data);
+
+ // Check second level children.
+ static::assertEquals(1, $data['001']->depth);
+ static::assertTrue($data['001']->hasChildren);
+ static::assertArrayHasKey('000', $data['001']->subtree);
+ static::assertArrayHasKey('001', $data['001']->subtree);
+
+ // Check third level item.
+ static::assertArrayHasKey('000', $data['001']->subtree['001']->subtree);
+ $deepest_item = $data['001']->subtree['001']->subtree['000'];
+ static::assertInstanceOf(MenuLinkTreeElement::class, $deepest_item);
+ static::assertEquals(3, $deepest_item->depth);
+ $url = $deepest_item->link->getUrlObject()->toUriString();
+ static::assertStringEndsWith('/test3', $url);
+ }
+
+}
diff --git a/tests/src/Unit/fixtures/example1.json b/tests/src/Unit/fixtures/example1.json
new file mode 100644
index 0000000000000000000000000000000000000000..fd19407c1720e9913ef84af439d7d2641c92bed3
--- /dev/null
+++ b/tests/src/Unit/fixtures/example1.json
@@ -0,0 +1,159 @@
+{
+ "linkset": [
+ {
+ "anchor": "\/system\/menu\/menu-id\/linkset",
+ "item": [
+ {
+ "href": "\/top-0",
+ "title": "Title .000",
+ "drupal-menu-hierarchy": [
+ ".000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-0",
+ "title": "Title .000.000",
+ "drupal-menu-hierarchy": [
+ ".000.000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-0\/bottom-0",
+ "title": "Title .000.000.000",
+ "drupal-menu-hierarchy": [
+ ".000.000.000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-0\/bottom-1",
+ "title": "Title .000.000.001",
+ "drupal-menu-hierarchy": [
+ ".000.000.001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-1",
+ "title": "Brain, Spine \u0026 Central Nervous System Cancers",
+ "drupal-menu-hierarchy": [
+ ".000.001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-1\/bottom-0",
+ "title": "Title .000.001.000",
+ "drupal-menu-hierarchy": [
+ ".000.001.000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-1\/bottom-1",
+ "title": "Title .000.001.001",
+ "drupal-menu-hierarchy": [
+ ".000.001.001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-0\/mid-2",
+ "title": "Title .000.002",
+ "drupal-menu-hierarchy": [
+ ".000.002"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1",
+ "title": "Title .001",
+ "drupal-menu-hierarchy": [
+ ".001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1\/mid-0",
+ "title": "Title .001.000",
+ "drupal-menu-hierarchy": [
+ ".001.000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1\/mid-1",
+ "title": "Title .001.001",
+ "drupal-menu-hierarchy": [
+ ".001.001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1\/mid-1\/bottom-0",
+ "title": "Title .001.001.000",
+ "drupal-menu-hierarchy": [
+ ".001.001.000"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1\/mid-1\/bottom-1",
+ "title": "Title .001.001.001",
+ "drupal-menu-hierarchy": [
+ ".001.001.001"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-1\/mid-2",
+ "title": "Title .001.002",
+ "drupal-menu-hierarchy": [
+ ".001.002"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ },
+ {
+ "href": "\/top-2",
+ "title": "Title .002",
+ "drupal-menu-hierarchy": [
+ ".002"
+ ],
+ "drupal-menu-machine-name": [
+ "menu-id"
+ ]
+ }
+ ]
+ }
+ ]
+}