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<?php

namespace League\OAuth2\Client\Test\Tool;

use League\OAuth2\Client\Tool\ArrayAccessorTrait;
use PHPUnit\Framework\TestCase;

class ArrayAccessorTraitTest extends TestCase
{
    use ArrayAccessorTrait;

    public function testGetRootValue()
    {
        $array = ['foo' => 'bar'];

        $result = $this->getValueByKey($array, 'foo');

        $this->assertEquals($array['foo'], $result);
    }

    public function testGetNonExistentValueWithDefault()
    {
        $array = [];
        $default = 'foo';

        $result = $this->getValueByKey($array, 'bar', $default);

        $this->assertEquals($default, $result);
    }

    public function testGetNestedValue()
    {
        $array = ['foo' => ['bar' => 'murray']];

        $result = $this->getValueByKey($array, 'foo.bar');

        $this->assertEquals($array['foo']['bar'], $result);
    }

    public function testGetNonExistantRootValue()
    {
        $array = ['foo' => 'bar'];

        $result = $this->getValueByKey($array, 'foo.bar');

        $this->assertNull($result);
    }
}