/**
* {@inheritdoc}
*/
public function setNormalizers(array $normalizers)
{
$this->validateOptionsExistence($normalizers);
foreach ($normalizers as $option => $normalizer) {
$this->defaultOptions->setNormalizer($option, $normalizer);
}
return $this;
}
/**
* Sets normalizers that are applied on resolved options.
*
* The normalizers should be closures with the following signature:
*
* <code>
* function (Options $options, $value)
* </code>
*
* The second parameter passed to the closure is the value of
* the option.
*
* The closure should return the normalized value.
*
* @param array $normalizers An array of closures
*
* @return OptionsConfig This configuration instance
*/
public function setNormalizers(array $normalizers)
{
Options::validateNames($normalizers, $this->knownOptions, true);
foreach ($normalizers as $option => $normalizer) {
$this->defaultOptions->setNormalizer($option, $normalizer);
}
return $this;
}
public function testNormalizerWithoutCorrespondingOption()
{
$test = $this;
$this->options->setNormalizer('foo', function (Options $options, $previousValue) use($test) {
$test->assertNull($previousValue);
return '';
});
$this->assertEquals(array('foo' => ''), $this->options->all());
}
public function testAllInvokesEachNormalizerOnlyOnce()
{
$test = $this;
$i = 1;
$this->options->set('foo', 'bar');
$this->options->set('bam', 'baz');
$this->options->setNormalizer('foo', function (Options $options) use($test, &$i) {
$test->assertSame(1, $i);
++$i;
// Implicitly invoke normalizer for "bam"
$options->get('bam');
});
$this->options->setNormalizer('bam', function (Options $options) use($test, &$i) {
$test->assertSame(2, $i);
++$i;
});
$this->options->all();
}
