PHP-Parser/test/PHPParser/Tests/NodeAbstractTest.php

<?php

class PHPParser_Tests_NodeAbstractTest extends PHPUnit_Framework_TestCase
{
    public function testConstruct() {
        $node = $this->getMockForAbstractClass(
            'PHPParser_NodeAbstract',
            array(
                array(
                    'subNode' => 'value'
                ),
                10,
                '/** doc comment */'
            ),
            'PHPParser_Node_Dummy'
        );

        $this->assertEquals('Dummy', $node->getType());
        $this->assertEquals(array('subNode'), $node->getSubNodeNames());
        $this->assertEquals(10, $node->getLine());
        $this->assertEquals('/** doc comment */', $node->getDocComment());
        $this->assertEquals('value', $node->subNode);
        $this->assertTrue(isset($node->subNode));
        $this->assertEmpty($node->getAttributes());

        return $node;
    }

    /**
     * @depends testConstruct
     */
    public function testChange(PHPParser_Node $node) {
        // change of line
        $node->setLine(15);
        $this->assertEquals(15, $node->getLine());

        // change of doc comment
        $node->setDocComment('/** other doc comment */');
        $this->assertEquals('/** other doc comment */', $node->getDocComment());

        // direct modification
        $node->subNode = 'newValue';
        $this->assertEquals('newValue', $node->subNode);

        // indirect modification
        $subNode =& $node->subNode;
        $subNode = 'newNewValue';
        $this->assertEquals('newNewValue', $node->subNode);

        // removal
        unset($node->subNode);
        $this->assertFalse(isset($node->subNode));
    }

    /**
     * @depends testConstruct
     */
    public function testAttributes(PHPParser_NodeAbstract $node) {
        $this->assertEmpty($node->getAttributes());

        $node->setAttribute('key', 'value');
        $this->assertTrue($node->hasAttribute('key'));
        $this->assertEquals('value', $node->getAttribute('key'));

        $this->assertFalse($node->hasAttribute('doesNotExist'));
        $this->assertNull($node->getAttribute('doesNotExist'));
        $this->assertEquals('default', $node->getAttribute('doesNotExist', 'default'));

        $node->setAttribute('null', null);
        $this->assertTrue($node->hasAttribute('null'));
        $this->assertNull($node->getAttribute('null'));
        $this->assertNull($node->getAttribute('null', 'default'));

        $this->assertEquals(
            array(
                'key' => 'value',
                'null' => null,
            ),
            $node->getAttributes()
        );
    }
}