Add "uppercase" helper

This commit is contained in:
Dmitriy Simushev 2014-12-15 09:50:18 +00:00
parent a4022518b6
commit 02421b3e28
6 changed files with 130 additions and 0 deletions

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@ -37,5 +37,6 @@ class Helpers extends BaseHelpers
// String helpers
$this->add('lowercase', new String\LowercaseHelper());
$this->add('uppercase', new String\UppercaseHelper());
}
}

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@ -27,5 +27,6 @@ class Helpers extends BaseHelpers
parent::addDefaultHelpers();
$this->add('lowercase', new LowercaseHelper());
$this->add('uppercase', new UppercaseHelper());
}
}

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@ -0,0 +1,46 @@
<?php
/*
* This file is part of Handlebars.php Helpers Set
*
* (c) Dmitriy Simushev <simushevds@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JustBlackBird\HandlebarsHelpers\String;
use Handlebars\Context;
use Handlebars\Helper as HelperInterface;
use Handlebars\Template;
/**
* Converts a string to uppercase.
*
* Usage:
* ```handlebars
* {{uppercase string}}
* ```
*
* Arguments:
* - "string": A string that should be converted to uppercase.
*
* @author Dmitriy Simushev <simushevds@gmail.com>
*/
class UppercaseHelper implements HelperInterface
{
/**
* {@inheritdoc}
*/
public function execute(Template $template, Context $context, $args, $source)
{
$parsed_args = $template->parseArguments($args);
if (count($parsed_args) != 1) {
throw new \InvalidArgumentException(
'"uppercase" helper expects exactly one argument.'
);
}
return strtoupper($context->get($parsed_args[0]));
}
}

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@ -49,6 +49,7 @@ class HelpersTest extends \PHPUnit_Framework_TestCase
// String helpers
array('lowercase', '\\JustBlackBird\\HandlebarsHelpers\\String\\LowercaseHelper'),
array('uppercase', '\\JustBlackBird\\HandlebarsHelpers\\String\\UppercaseHelper'),
);
}
}

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@ -39,6 +39,7 @@ class HelpersTest extends \PHPUnit_Framework_TestCase
{
return array(
array('lowercase', '\\JustBlackBird\\HandlebarsHelpers\\String\\LowercaseHelper'),
array('uppercase', '\\JustBlackBird\\HandlebarsHelpers\\String\\UppercaseHelper'),
);
}
}

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@ -0,0 +1,80 @@
<?php
/*
* This file is part of Handlebars.php Helpers Set
*
* (c) Dmitriy Simushev <simushevds@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JustBlackBird\HandlebarsHelpers\Tests\String;
use JustBlackBird\HandlebarsHelpers\String\UppercaseHelper;
/**
* Test class for "uppercase" helper.
*
* @author Dmitriy Simushev <simushevds@gmail.com>
*/
class UppercaseHelperTest extends \PHPUnit_Framework_TestCase
{
/**
* Tests that strings are converted to uppercase properly.
*
* @dataProvider convertProvider
*/
public function testConvert($string, $result)
{
$helpers = new \Handlebars\Helpers(array('uppercase' => new UppercaseHelper()));
$engine = new \Handlebars\Handlebars(array('helpers' => $helpers));
$this->assertEquals(
$engine->render(
'{{uppercase str}}',
array('str' => $string)
),
$result
);
}
/**
* A data provider for testConvert method.
*/
public function convertProvider()
{
return array(
array('ALREADY IN UPPERCASE', 'ALREADY IN UPPERCASE'),
array('Mixed Case String', 'MIXED CASE STRING'),
array('ANOther mIxed CASE string', 'ANOTHER MIXED CASE STRING'),
array('string in lowercase', 'STRING IN LOWERCASE'),
);
}
/**
* Tests that exception is thrown if wrong number of arguments is used.
*
* @expectedException InvalidArgumentException
* @dataProvider wrongArgumentsProvider
*/
public function testArgumentsCount($template)
{
$helpers = new \Handlebars\Helpers(array('uppercase' => new UppercaseHelper()));
$engine = new \Handlebars\Handlebars(array('helpers' => $helpers));
$engine->render($template, array());
}
/**
* A data provider for testArgumentsCount method.
*/
public function wrongArgumentsProvider()
{
return array(
// Not enough arguments
array('{{uppercase}}'),
// Too much arguments
array('{{uppercase "Arg" "ANOTHER ARG"}}'),
);
}
}