2017-09-27 09:25:37 +02:00
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<?php
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namespace SilverStripe\Dev\Constraint;
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use PHPUnit_Framework_Constraint;
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use PHPUnit_Framework_ExpectationFailedException;
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use PHPUnit_Util_InvalidArgumentHelper;
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use SilverStripe\Dev\TestOnly;
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use SilverStripe\View\ViewableData;
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if (!class_exists(PHPUnit_Framework_Constraint::class)) {
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return;
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}
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/**
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* Constraint for checking if a ViewableData (e.g. ArrayData or any DataObject) contains fields matching the given
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* key-value pairs.
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*/
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class ViewableDataContains extends PHPUnit_Framework_Constraint implements TestOnly
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{
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/**
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* @var array
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*/
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private $match;
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/**
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* ViewableDataContains constructor.
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* @param array $match
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*/
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public function __construct($match)
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{
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parent::__construct();
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if (!is_array($match)) {
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throw PHPUnit_Util_InvalidArgumentHelper::factory(
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1,
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'array'
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);
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}
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$this->match = $match;
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}
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/**
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* Evaluates the constraint for parameter $other
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*
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* If $returnResult is set to false (the default), an exception is thrown
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* in case of a failure. null is returned otherwise.
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*
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* If $returnResult is true, the result of the evaluation is returned as
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* a boolean value instead: true in case of success, false in case of a
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* failure.
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*
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* @param ViewableData $other Value or object to evaluate.
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* @param string $description Additional information about the test
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* @param bool $returnResult Whether to return a result or throw an exception
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*
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* @return null|bool
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*
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* @throws PHPUnit_Framework_ExpectationFailedException
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*/
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public function evaluate($other, $description = '', $returnResult = false)
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{
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$success = true;
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foreach ($this->match as $fieldName => $value) {
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2019-01-10 23:25:44 +01:00
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if ($other->$fieldName != $value) {
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2017-09-27 09:25:37 +02:00
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$success = false;
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break;
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}
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}
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if ($returnResult) {
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return $success;
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}
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if (!$success) {
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$this->fail($other, $description);
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}
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return null;
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}
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/**
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* Returns a string representation of the object.
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*
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* @todo: add representation for more than one match
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*
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* @return string
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*/
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public function toString()
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{
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return 'contains only Objects where "' . key($this->match) . '" is "' . current($this->match) . '"';
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}
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}
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