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<?php
namespace yiiunit\framework\helpers;
use yii\helpers\Json;
use yiiunit\TestCase;
use yii\web\JsExpression;
/**
* @group helpers
*/
class JsonTest extends TestCase
{
public function testEncode()
{
// basic data encoding
$data = '1';
$this->assertSame('"1"', Json::encode($data));
// simple array encoding
$data = [1, 2];
$this->assertSame('[1,2]', Json::encode($data));
$data = ['a' => 1, 'b' => 2];
$this->assertSame('{"a":1,"b":2}', Json::encode($data));
// simple object encoding
$data = new \stdClass();
$data->a = 1;
$data->b = 2;
$this->assertSame('{"a":1,"b":2}', Json::encode($data));
// expression encoding
$expression = 'function () {}';
$data = new JsExpression($expression);
$this->assertSame($expression, Json::encode($data));
// complex data
$expression1 = 'function (a) {}';
$expression2 = 'function (b) {}';
$data = [
'a' => [
1, new JsExpression($expression1)
],
'b' => new JsExpression($expression2),
];
$this->assertSame("{\"a\":[1,$expression1],\"b\":$expression2}", Json::encode($data));
// https://github.com/yiisoft/yii2/issues/957
$data = (object)null;
$this->assertSame('{}', Json::encode($data));
}
public function testDecode()
{
// basic data decoding
$json = '"1"';
$this->assertSame('1', Json::decode($json));
// array decoding
$json = '{"a":1,"b":2}';
$this->assertSame(['a' => 1, 'b' => 2], Json::decode($json));
// exception
$json = '{"a":1,"b":2';
$this->setExpectedException('yii\base\InvalidParamException');
Json::decode($json);
}
}