Add some tests for SVGNode

tests/Nodes/SVGNodeTest.php

@@ -0,0 +1,151 @@
+<?php
+
+use SVG\Nodes\SVGNode;
+
+class SVGNodeSubclass extends SVGNode
+{
+    const TAG_NAME = 'test_subclass';
+
+    /**
+     * @SuppressWarnings("unused")
+     */
+    public function rasterize(\SVG\Rasterization\SVGRasterizer $rasterizer)
+    {
+    }
+}
+
+/**
+ * @SuppressWarnings(PHPMD)
+ */
+class SVGNodeTest extends PHPUnit_Framework_TestCase
+{
+    public function testConstructFromAttributes()
+    {
+        $obj = SVGNodeSubclass::constructFromAttributes(array());
+
+        // should construct child class
+        $this->assertInstanceOf('SVGNodeSubclass', $obj);
+    }
+
+    public function testGetName()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should return child class const
+        $this->assertSame(SVGNodeSubclass::TAG_NAME, $obj->getName());
+    }
+
+    public function testGetStyle()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should return null for undefined properties
+        $this->assertSame(null, $obj->getStyle('fill'));
+    }
+
+    public function testSetStyle()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should set properties
+        $obj->setStyle('fill', '#FFFFFF');
+        $this->assertSame('#FFFFFF', $obj->getStyle('fill'));
+
+        // should unset properties when given null
+        $obj->setStyle('fill', null);
+        $this->assertSame(null, $obj->getStyle('fill'));
+
+        // should unset properties when given ''
+        $obj->setStyle('fill', '');
+        $this->assertSame(null, $obj->getStyle('fill'));
+
+        // should convert value to a string
+        $obj->setStyle('width', 42);
+        $this->assertSame('42', $obj->getStyle('width'));
+
+        // should not treat 0 as an empty value
+        $obj->setStyle('width', 0);
+        $this->assertSame('0', $obj->getStyle('width'));
+    }
+
+    public function testRemoveStyle()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should remove the property
+        $obj->setStyle('fill', '#FFFFFF');
+        $obj->removeStyle('fill');
+        $this->assertSame(null, $obj->getStyle('fill'));
+    }
+
+    public function testGetAttribute()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should return null for undefined properties
+        $this->assertSame(null, $obj->getAttribute('x'));
+    }
+
+    public function testSetAttribute()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should set properties
+        $obj->setAttribute('x', '100%');
+        $this->assertSame('100%', $obj->getAttribute('x'));
+
+        // should unset properties when given null
+        $obj->setAttribute('x', null);
+        $this->assertSame(null, $obj->getAttribute('x'));
+
+        // should not unset properties when given ''
+        $obj->setAttribute('x', '');
+        $this->assertSame('', $obj->getAttribute('x'));
+
+        // should convert value to a string
+        $obj->setAttribute('x', 42);
+        $this->assertSame('42', $obj->getAttribute('x'));
+
+        // should not treat 0 as an empty value
+        $obj->setAttribute('x', 0);
+        $this->assertSame('0', $obj->getAttribute('x'));
+    }
+
+    public function testRemoveAttribute()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should remove the property
+        $obj->setAttribute('x', '100%');
+        $obj->removeAttribute('x');
+        $this->assertSame(null, $obj->getAttribute('x'));
+    }
+
+    public function testGetSerializableAttributes()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should return previously defined properties
+        $obj->setAttribute('x', 0);
+        $obj->setAttribute('y', 0);
+        $obj->setAttribute('width', '100%');
+        $this->assertEquals(array(
+            'x' => '0',
+            'y' => '0',
+            'width' => '100%',
+        ), $obj->getSerializableAttributes());
+    }
+
+    public function testGetSerializableStyles()
+    {
+        $obj = new SVGNodeSubclass();
+
+        // should return previously defined properties
+        $obj->setStyle('fill', '#FFFFFF');
+        $obj->setStyle('width', 42);
+        $this->assertEquals(array(
+            'fill' => '#FFFFFF',
+            'width' => '42',
+        ), $obj->getSerializableStyles());
+    }
+}