class HtmxUtilitiesTest

class HtmxUtilitiesTest extends UnitTestCase {
  
  /**
   * Class under test.
   */
  protected Htmx $htmx;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Set up test values.
    $attributes = new Attribute([
      'apple' => 'orange',
      'banana' => 'grape',
    ]);
    $headers = new HeaderBag([
      'pear' => 'kiwi',
      'mango' => 'peach',
    ]);
    $this->htmx = new Htmx($attributes, $headers);
  }
  
  /**
   * Test ::hasHeader.
   */
  public function testHasHeader() : void {
    $this->assertTrue($this->htmx
      ->hasHeader('pear'));
    $this->assertTrue($this->htmx
      ->hasHeader('mango'));
    $this->assertFalse($this->htmx
      ->hasHeader('kiwi'));
  }
  
  /**
   * Test ::hasAttribute.
   */
  public function testHasAttribute() : void {
    $this->assertTrue($this->htmx
      ->hasAttribute('apple'));
    $this->assertTrue($this->htmx
      ->hasAttribute('banana'));
    $this->assertFalse($this->htmx
      ->hasAttribute('orange'));
  }
  
  /**
   * Test ::removeHeader.
   */
  public function testRemoveHeader() : void {
    $this->htmx
      ->removeHeader('pear');
    $this->assertFalse($this->htmx
      ->hasHeader('pear'));
  }
  
  /**
   * Test ::removeAttribute.
   */
  public function testRemoveAttribute() : void {
    $this->htmx
      ->removeAttribute('apple');
    $this->assertFalse($this->htmx
      ->hasAttribute('apple'));
  }
  
  /**
   * Test ::getAttributes.
   */
  public function testGetAttributes() : void {
    $attributes = $this->htmx
      ->getAttributes();
    $this->assertEquals(2, count($attributes->storage()));
  }
  
  /**
   * Test ::getHeaders().
   */
  public function testGetHeaders() : void {
    $headers = $this->htmx
      ->getHeaders();
    $this->assertEquals(2, $headers->count());
  }
  
  /**
   * Test ::applyTo with defaults.
   */
  public function testApplyTo() : void {
    $render = [
      '#attributes' => [
        'plum' => 'strawberry',
      ],
      '#attached' => [
        'http_header' => [
          [
            'melon',
            'watermelon',
            TRUE,
          ],
        ],
      ],
    ];
    $this->htmx
      ->applyTo($render);
    $this->assertTrue(isset($render['#attributes']));
    $this->assertTrue(isset($render['#attached']['http_header']));
    $this->assertTrue(isset($render['#attached']['library']));
    // We added 2 attributes and 2 headers.
    $this->assertEquals(3, count($render['#attributes']));
    $this->assertEquals(3, count($render['#attached']['http_header']));
    $this->assertEquals([
      'core/drupal.htmx',
    ], $render['#attached']['library']);
  }
  
  /**
   * Test ::applyTo with attribute key..
   */
  public function testApplyToWithKey() : void {
    $render = [];
    $this->htmx
      ->applyTo($render, '#wrapper_attributes');
    $this->assertTrue(isset($render['#wrapper_attributes']));
    $this->assertEquals(2, count($render['#wrapper_attributes']));
  }
  
  /**
   * Test ::createFromRenderArray.
   */
  public function testCreateFromRenderArray() : void {
    $source = [
      '#attributes' => [
        'data-hx-apple' => 'orange',
        'banana' => 'grape',
      ],
      '#attached' => [
        'http_header' => [
          [
            'pear',
            'kiwi',
            TRUE,
          ],
          [
            'hx-mango',
            'peach',
            TRUE,
          ],
        ],
      ],
      '#cache' => [
        'tags' => [
          'node:3',
          'node:12',
        ],
      ],
    ];
    $htmx = Htmx::createFromRenderArray($source);
    $this->assertTrue($htmx->hasAttribute('data-hx-apple'));
    $this->assertFalse($htmx->hasAttribute('banana'));
    $this->assertTrue($htmx->hasHeader('hx-mango'));
    $this->assertFalse($htmx->hasHeader('pear'));
    $render = [];
    $htmx->applyTo($render);
    $this->assertEquals(1, count($render['#attributes']));
    $this->assertEquals(1, count($render['#attached']['http_header']));
    $this->assertEquals([
      'node:3',
      'node:12',
    ], $render['#cache']['tags']);
  }

}