--- /dev/null
+<?php
+
+namespace Drupal\Tests\layout_builder\Unit;
+
+use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
+use Drupal\layout_builder\Routing\LayoutTempstoreParamConverter;
+use Drupal\layout_builder\SectionStorage\SectionStorageManagerInterface;
+use Drupal\layout_builder\SectionStorageInterface;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * @coversDefaultClass \Drupal\layout_builder\Routing\LayoutTempstoreParamConverter
+ *
+ * @group layout_builder
+ */
+class LayoutTempstoreParamConverterTest extends UnitTestCase {
+
+ /**
+ * @covers ::convert
+ */
+ public function testConvert() {
+ $layout_tempstore_repository = $this->prophesize(LayoutTempstoreRepositoryInterface::class);
+ $section_storage_manager = $this->prophesize(SectionStorageManagerInterface::class);
+ $converter = new LayoutTempstoreParamConverter($layout_tempstore_repository->reveal(), $section_storage_manager->reveal());
+
+ $section_storage = $this->prophesize(SectionStorageInterface::class);
+
+ $value = 'some_value';
+ $definition = ['layout_builder_tempstore' => TRUE];
+ $name = 'the_parameter_name';
+ $defaults = ['section_storage_type' => 'my_type'];
+ $expected = 'the_return_value';
+
+ $section_storage_manager->hasDefinition('my_type')->willReturn(TRUE);
+ $section_storage_manager->loadFromRoute('my_type', $value, $definition, $name, $defaults)->willReturn($section_storage);
+
+ $layout_tempstore_repository->get($section_storage->reveal())->willReturn($expected);
+
+ $result = $converter->convert($value, $definition, $name, $defaults);
+ $this->assertEquals($expected, $result);
+ }
+
+ /**
+ * @covers ::convert
+ */
+ public function testConvertNoType() {
+ $layout_tempstore_repository = $this->prophesize(LayoutTempstoreRepositoryInterface::class);
+ $section_storage_manager = $this->prophesize(SectionStorageManagerInterface::class);
+ $converter = new LayoutTempstoreParamConverter($layout_tempstore_repository->reveal(), $section_storage_manager->reveal());
+
+ $value = 'some_value';
+ $definition = ['layout_builder_tempstore' => TRUE];
+ $name = 'the_parameter_name';
+ $defaults = ['section_storage_type' => NULL];
+
+ $section_storage_manager->hasDefinition()->shouldNotBeCalled();
+ $section_storage_manager->loadFromRoute()->shouldNotBeCalled();
+ $layout_tempstore_repository->get()->shouldNotBeCalled();
+
+ $result = $converter->convert($value, $definition, $name, $defaults);
+ $this->assertNull($result);
+ }
+
+ /**
+ * @covers ::convert
+ */
+ public function testConvertInvalidConverter() {
+ $layout_tempstore_repository = $this->prophesize(LayoutTempstoreRepositoryInterface::class);
+ $section_storage_manager = $this->prophesize(SectionStorageManagerInterface::class);
+ $converter = new LayoutTempstoreParamConverter($layout_tempstore_repository->reveal(), $section_storage_manager->reveal());
+
+ $value = 'some_value';
+ $definition = ['layout_builder_tempstore' => TRUE];
+ $name = 'the_parameter_name';
+ $defaults = ['section_storage_type' => 'invalid'];
+
+ $section_storage_manager->hasDefinition('invalid')->willReturn(FALSE);
+ $section_storage_manager->loadFromRoute()->shouldNotBeCalled();
+ $layout_tempstore_repository->get()->shouldNotBeCalled();
+
+ $result = $converter->convert($value, $definition, $name, $defaults);
+ $this->assertNull($result);
+ }
+
+}