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<?php
/**
* @file
* Contains \Drupal\Tests\Core\StringTranslation\TranslatableStringTest.
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*/
namespace Drupal\Tests\Core\StringTranslation;
use Drupal\Core\StringTranslation\TranslationInterface;
use Drupal\Core\StringTranslation\TranslatableString;
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use Drupal\Tests\UnitTestCase;
/**
* Tests the TranslatableString class.
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*
* @coversDefaultClass \Drupal\Core\StringTranslation\TranslatableString
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* @group StringTranslation
*/
class TranslatableStringTest extends UnitTestCase {
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/**
* The error message of the last error in the error handler.
*
* @var string
*/
protected $lastErrorMessage;
/**
* The error number of the last error in the error handler.
*
* @var int
*/
protected $lastErrorNumber;
/**
* Custom error handler that saves the last error.
*
* We need this custom error handler because we cannot rely on the error to
* exception conversion as __toString is never allowed to leak any kind of
* exception.
*
* @param int $error_number
* The error number.
* @param string $error_message
* The error message.
*/
public function errorHandler($error_number, $error_message) {
$this->lastErrorNumber = $error_number;
$this->lastErrorMessage = $error_message;
}
/**
* Tests that errors are correctly handled when a __toString() fails.
*
* @covers ::__toString
*/
public function testToString() {
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$translation = $this->getMock(TranslationInterface::class);
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$string = 'May I have an exception please?';
$text = $this->getMockBuilder(TranslatableString::class)
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->setConstructorArgs([$string, [], [], $translation])
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->setMethods(['_die'])
->getMock();
$text
->expects($this->once())
->method('_die')
->willReturn('');
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$translation
->method('translateString')
->with($text)
->willReturnCallback(function () {
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throw new \Exception('Yes you may.');
});
// We set a custom error handler because of https://github.com/sebastianbergmann/phpunit/issues/487
set_error_handler([$this, 'errorHandler']);
// We want this to trigger an error.
(string) $text;
restore_error_handler();
$this->assertEquals(E_USER_ERROR, $this->lastErrorNumber);
$this->assertRegExp('/Exception thrown while calling __toString on a .*Mock_TranslatableString_.* object in .*TranslatableStringTest.php on line [0-9]+: Yes you may./', $this->lastErrorMessage);