From c5fe60394eaf1c3cc531f7a513766e6263ce71bd Mon Sep 17 00:00:00 2001
From: Mike Decker <pookmish@stanford.edu>
Date: Thu, 29 Aug 2024 15:20:45 -0700
Subject: [PATCH] Added unit test for field

---
 .../TaxonomyLabelHierarchyWidget.php          |  10 ++
 .../TaxonomyLabelHierarchyWidgetTest.php      | 122 ++++++++++++++++++
 .../Kernel/StanfordFieldKernelTestBase.php    |   5 +
 3 files changed, 137 insertions(+)
 create mode 100644 tests/src/Kernel/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidgetTest.php

diff --git a/src/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidget.php b/src/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidget.php
index de3eabe..6e19c96 100644
--- a/src/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidget.php
+++ b/src/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidget.php
@@ -6,6 +6,7 @@
 
 use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Field\Attribute\FieldWidget;
+use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\Core\Field\Plugin\Field\FieldWidget\OptionsWidgetBase;
 use Drupal\Core\Form\FormStateInterface;
@@ -25,6 +26,14 @@
 )]
 final class TaxonomyLabelHierarchyWidget extends OptionsWidgetBase {
 
+  /**
+   * {@inheritDoc}
+   */
+  public static function isApplicable(FieldDefinitionInterface $field_definition) {
+    // Make sure the CSHS module is available.
+    return \Drupal::moduleHandler()->moduleExists('cshs');
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -87,6 +96,7 @@ public function formElement(FieldItemListInterface $items, $delta, array $elemen
         '#value' => $this->t('Add More'),
         '#name' => $key,
         '#submit' => [[self::class, 'addOne']],
+        '#limit_validation_errors' => [],
         '#ajax' => [
           'callback' => [self::class, 'addMoreCallback'],
           'wrapper' => $key,
diff --git a/tests/src/Kernel/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidgetTest.php b/tests/src/Kernel/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidgetTest.php
new file mode 100644
index 0000000..3465ca3
--- /dev/null
+++ b/tests/src/Kernel/Plugin/Field/FieldWidget/TaxonomyLabelHierarchyWidgetTest.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace Drupal\Tests\stanford_fields\Kernel\Plugin\Field\FieldWidget;
+
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\node\Entity\Node;
+use Drupal\taxonomy\Entity\Term;
+use Drupal\taxonomy\Entity\Vocabulary;
+use Drupal\Tests\stanford_fields\Kernel\StanfordFieldKernelTestBase;
+use Drupal\user\Entity\User;
+/**
+ * Class TaxonomyLabelHierarchyWidgetTest.
+ *
+ * @group stanford_fields
+ * @coversDefaultClass \Drupal\stanford_fields\Plugin\Field\FieldWidget\TaxonomyLabelHierarchyWidget
+ */
+class TaxonomyLabelHierarchyWidgetTest extends StanfordFieldKernelTestBase {
+
+  /**
+   * {@inheritDoc}
+   */
+  public function setup(): void {
+    parent::setUp();
+
+    Vocabulary::create(['vid' => 'tag_terms', 'label' => 'terms'])->save();
+
+    $field_storage = FieldStorageConfig::create([
+      'field_name' => 'field_terms',
+      'entity_type' => 'node',
+      'type' => 'entity_reference',
+      'cardinality' => -1,
+      'settings' => ['target_type' => 'taxonomy_term'],
+    ]);
+    $field_storage->save();
+
+    $field = FieldConfig::create([
+      'field_name' => 'field_terms',
+      'entity_type' => 'node',
+      'bundle' => 'page',
+      'settings' => [
+        'handler' => 'default:taxonomy_term',
+        'handler_settings' => [
+          'target_bundles' => ['tag_terms' => 'tag_terms'],
+        ],
+      ],
+    ]);
+    $field->save();
+
+    /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $entity_form_display */
+    $entity_form_display = EntityFormDisplay::create([
+      'targetEntityType' => 'node',
+      'bundle' => 'page',
+      'mode' => 'default',
+      'status' => TRUE,
+    ]);
+    $entity_form_display->setComponent('field_terms', [
+      'type' => 'taxonomy_label_hierarchy',
+    ])->removeComponent('created')->save();
+  }
+
+  /**
+   * Test the entity form is displayed correctly.
+   */
+  public function testWidgetForm() {
+    $parent_term = Term::create([
+      'vid' => 'tag_terms',
+      'name' => 'Parent',
+      'parent' => [0],
+    ]);
+    $parent_term->save();
+
+    $second_parent_term = Term::create([
+      'vid' => 'tag_terms',
+      'name' => 'Second Parent',
+      'parent' => [0],
+    ]);
+    $second_parent_term->save();
+
+    $foo = Term::create([
+      'vid' => 'tag_terms',
+      'name' => 'Foo',
+      'parent' => [$parent_term->id()],
+    ]);
+    $foo->save();
+
+    $bar = Term::create([
+      'vid' => 'tag_terms',
+      'name' => 'Bar',
+      'parent' => [$parent_term->id()],
+    ]);
+    $bar->save();
+
+    $baz = Term::create([
+      'vid' => 'tag_terms',
+      'name' => 'Baz',
+      'parent' => [$second_parent_term->id()],
+    ]);
+    $baz->save();
+
+    $author = User::create(['name' => 'foo']);
+    $author->save();
+    $node = Node::create(['type' => 'page', 'title' => 'foobar', 'uid' => $author->id()]);
+    $node->save();
+
+    /** @var \Drupal\Core\Entity\EntityFormBuilderInterface $form_builder */
+    $form_builder = $this->container->get('entity.form_builder');
+    $form = $form_builder->getForm($node);
+
+    $widget_value = $form['field_terms']['widget'];
+
+    $this->assertArrayHasKey($foo->id(), $widget_value['parent'][0]['target_id']['#options']);
+    $this->assertArrayHasKey($bar->id(), $widget_value['parent'][0]['target_id']['#options']);
+    $this->assertArrayNotHasKey($baz->id(), $widget_value['parent'][0]['target_id']['#options']);
+
+    $this->assertArrayNotHasKey($foo->id(), $widget_value['second_parent'][0]['target_id']['#options']);
+    $this->assertArrayNotHasKey($bar->id(), $widget_value['second_parent'][0]['target_id']['#options']);
+    $this->assertArrayHasKey($baz->id(), $widget_value['second_parent'][0]['target_id']['#options']);
+  }
+
+}
diff --git a/tests/src/Kernel/StanfordFieldKernelTestBase.php b/tests/src/Kernel/StanfordFieldKernelTestBase.php
index 82f3210..a8d6aa4 100644
--- a/tests/src/Kernel/StanfordFieldKernelTestBase.php
+++ b/tests/src/Kernel/StanfordFieldKernelTestBase.php
@@ -22,6 +22,9 @@ class StanfordFieldKernelTestBase extends KernelTestBase {
     'stanford_fields',
     'field',
     'link',
+    'taxonomy',
+    'text',
+    'cshs',
   ];
 
   /**
@@ -33,6 +36,8 @@ public function setup(): void {
     $this->installEntitySchema('node');
     $this->installEntitySchema('field_config');
     $this->installEntitySchema('date_format');
+    $this->installEntitySchema('taxonomy_term');
+    $this->installEntitySchema('path_alias');
     $this->installConfig(['system', 'field', 'link']);
     $this->installSchema('node', ['node_access']);