Merge pull request #2 from jjgrainger/feature/add-element-tests

Feature/add element tests

src/Traits/HasAttributes.php

@@ -79,7 +79,7 @@ public function getAttributes()
      */
     public function getAttribute($key)
     {
-        ($this->hasAttribute($key)) ? $this->attribute[$key] : null;
+        return ($this->hasAttribute($key)) ? $this->attributes[$key] : null;
     }
 
     /**
@@ -101,7 +101,7 @@ public function hasAttributes()
      */
     public function hasAttribute(string $key)
     {
-        return !isset($this->attributes[$key]);
+        return isset($this->attributes[$key]);
     }
 
     /**

tests/Unit/HTML/ElementTest.php

@@ -12,4 +12,58 @@ public function test_element_can_be_instantiated()
 
         $this->assertInstanceOf(Element::class, $element);
     }
+
+    public function test_element_can_set_tag()
+    {
+        $element = new Element();
+
+        $element->setTag('a');
+
+        $this->assertEquals($element->getTag(), 'a');
+    }
+
+    public function test_element_can_render()
+    {
+        $element = new Element();
+
+        $this->assertEquals($element->render(), '<div></div>');
+    }
+
+    public function test_element_can_render_with_attributes()
+    {
+        $element = new Element();
+
+        $element->setAttributes([
+            'id' => 'main',
+            'class' => 'content',
+        ]);
+
+        $this->assertEquals($element->render(), '<div id="main" class="content"></div>');
+    }
+
+    public function test_element_can_render_with_content()
+    {
+        $element = new Element('p');
+
+        $element->setContent('Hello World!');
+
+        $this->assertEquals($element->render(), '<p>Hello World!</p>');
+    }
+
+    public function test_element_can_render_with_children()
+    {
+        $element = new Element('ol');
+
+        $element->addChild((new Element('li'))->setContent('List item 1'));
+        $element->addChild((new Element('li'))->setContent('List item 2'));
+
+        $this->assertEquals($element->render(), '<ol><li>List item 1</li><li>List item 2</li></ol>');
+    }
+
+    public function test_can_echo_to_string()
+    {
+        $element = new Element();
+
+        $this->assertEquals($element, '<div></div>');
+    }
 }

tests/Unit/HTML/Traits/HasAttributesTest.php

@@ -0,0 +1,172 @@
+
+<?php
+
+use HTML\Element;
+use PHPUnit\Framework\TestCase;
+
+class HasAttributesTest extends TestCase
+{
+    public function test_can_set_attributes()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertEquals($element->getAttributes(), $attributes);
+    }
+
+    public function test_can_set_attribute()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $element->setAttribute('id', 'main');
+
+        $attributes['id'] = 'main';
+
+        $this->assertEquals($element->getAttributes(), $attributes);
+    }
+
+    public function test_can_append_attribute()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $element->appendAttribute('class', 'active');
+
+        $attributes['class'] .= ' active';
+
+        $this->assertEquals($element->getAttributes(), $attributes);
+    }
+
+    public function test_can_append_attributes_when_empty()
+    {
+        $element = new Element();
+
+
+        $element->appendAttribute('class', 'active');
+
+        $this->assertEquals($element->getAttributes(), ['class' => 'active']);
+    }
+
+    public function test_can_get_attributes()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertEquals($element->getAttributes(), $attributes);
+    }
+
+    public function test_can_get_attribute()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertEquals($element->getAttribute('class'), 'container');
+    }
+
+    public function test_has_attributes()
+    {
+        $element = new Element();
+
+        $empty = $element->hasAttributes();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertTrue($element->hasAttributes());
+        $this->assertFalse($empty);
+    }
+
+    public function test_has_attribute_by_key()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertTrue($element->hasAttribute('class'));
+        $this->assertFalse($element->hasAttribute('id'));
+    }
+
+    public function test_can_remove_attributes()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertTrue($element->hasAttributes());
+
+        $element->removeAttributes();
+
+        $this->assertFalse($element->hasAttributes());
+        $this->assertEquals($element->getAttributes(), []);
+    }
+
+    public function test_can_remove_attribute_by_key()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+            'id' => 'main',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $element->removeAttribute('id');
+
+        $this->assertFalse($element->hasAttribute('id'));
+        $this->assertEquals($element->getAttributes(), ['class' => 'container']);
+    }
+
+    public function test_can_render_attributes()
+    {
+        $element = new Element();
+
+        $attributes = [
+            'class' => 'container',
+            'id' => 'main',
+        ];
+
+        $element->setAttributes($attributes);
+
+        $this->assertEquals($element->renderAttributes(), 'class="container" id="main"');
+    }
+}
+
+

tests/Unit/HTML/Traits/HasChildrentTest.php

@@ -0,0 +1,71 @@
+<?php
+
+use HTML\Element;
+use PHPUnit\Framework\TestCase;
+
+class HasChildrenTest extends TestCase
+{
+    public function test_can_set_children()
+    {
+        $element = new Element();
+
+        $children = [
+            new Element(),
+        ];
+
+        $element->setChildren($children);
+
+        $this->assertEquals($element->getChildren(), $children);
+    }
+
+    public function test_can_add_children()
+    {
+        $element = new Element();
+
+        $child = new Element();
+
+        $element->addChild($child);
+
+        $this->assertEquals($element->getChildren(), [$child]);
+    }
+
+    public function test_can_get_children()
+    {
+        $element = new Element();
+
+        $children = [
+            new Element(),
+            new Element(),
+            new Element(),
+        ];
+
+        $element->setChildren($children);
+
+        $this->assertEquals($element->getChildren(), $children);
+    }
+
+    public function test_has_children()
+    {
+        $element = new Element();
+
+        $this->assertFalse($element->hasChildren());
+
+        $element->addChild(new Element());
+
+        $this->assertTrue($element->hasChildren());
+    }
+
+    public function test_can_render_children()
+    {
+        $element = new Element();
+
+        $children = [
+            (new Element('li'))->setContent('List item 1'),
+            (new Element('li'))->setContent('List item 2'),
+        ];
+
+        $element->setChildren($children);
+
+        $this->assertEquals($element->renderChildren(), '<li>List item 1</li><li>List item 2</li>');
+    }
+}