SymfonyQuestionHelperTest.php
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<?php
namespace Symfony\Component\Console\Tests\Helper;
use Symfony\Component\Console\Helper\FormatterHelper;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Helper\SymfonyQuestionHelper;
use Symfony\Component\Console\Output\StreamOutput;
use Symfony\Component\Console\Question\ChoiceQuestion;
use Symfony\Component\Console\Question\Question;
/**
* @group tty
*/
class SymfonyQuestionHelperTest extends AbstractQuestionHelperTest
{
public function testAskChoice()
{
$questionHelper = new SymfonyQuestionHelper();
$helperSet = new HelperSet([new FormatterHelper()]);
$questionHelper->setHelperSet($helperSet);
$heroes = ['Superman', 'Batman', 'Spiderman'];
$inputStream = $this->getInputStream("\n1\n 1 \nFabien\n1\nFabien\n1\n0,2\n 0 , 2 \n\n\n");
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '2');
$question->setMaxAttempts(1);
// first answer is an empty answer, we're supposed to receive the default value
$this->assertEquals('Spiderman', $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
$this->assertOutputContains('What is your favorite superhero? [Spiderman]', $output);
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes);
$question->setMaxAttempts(1);
$this->assertEquals('Batman', $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
$this->assertEquals('Batman', $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes);
$question->setErrorMessage('Input "%s" is not a superhero!');
$question->setMaxAttempts(2);
$this->assertEquals('Batman', $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
$this->assertOutputContains('Input "Fabien" is not a superhero!', $output);
try {
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '1');
$question->setMaxAttempts(1);
$questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question);
$this->fail();
} catch (\InvalidArgumentException $e) {
$this->assertEquals('Value "Fabien" is invalid', $e->getMessage());
}
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, null);
$question->setMaxAttempts(1);
$question->setMultiselect(true);
$this->assertEquals(['Batman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
$this->assertEquals(['Superman', 'Spiderman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
$this->assertEquals(['Superman', 'Spiderman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '0,1');
$question->setMaxAttempts(1);
$question->setMultiselect(true);
$this->assertEquals(['Superman', 'Batman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
$this->assertOutputContains('What is your favorite superhero? [Superman, Batman]', $output);
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, ' 0 , 1 ');
$question->setMaxAttempts(1);
$question->setMultiselect(true);
$this->assertEquals(['Superman', 'Batman'], $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
$this->assertOutputContains('What is your favorite superhero? [Superman, Batman]', $output);
}
public function testAskChoiceWithChoiceValueAsDefault()
{
$questionHelper = new SymfonyQuestionHelper();
$helperSet = new HelperSet([new FormatterHelper()]);
$questionHelper->setHelperSet($helperSet);
$question = new ChoiceQuestion('What is your favorite superhero?', ['Superman', 'Batman', 'Spiderman'], 'Batman');
$question->setMaxAttempts(1);
$this->assertSame('Batman', $questionHelper->ask($this->createStreamableInputInterfaceMock($this->getInputStream("Batman\n")), $output = $this->createOutputInterface(), $question));
$this->assertOutputContains('What is your favorite superhero? [Batman]', $output);
}
public function testAskReturnsNullIfValidatorAllowsIt()
{
$questionHelper = new SymfonyQuestionHelper();
$question = new Question('What is your favorite superhero?');
$question->setValidator(function ($value) { return $value; });
$input = $this->createStreamableInputInterfaceMock($this->getInputStream("\n"));
$this->assertNull($questionHelper->ask($input, $this->createOutputInterface(), $question));
}
public function testAskEscapeDefaultValue()
{
$helper = new SymfonyQuestionHelper();
$input = $this->createStreamableInputInterfaceMock($this->getInputStream('\\'));
$helper->ask($input, $output = $this->createOutputInterface(), new Question('Can I have a backslash?', '\\'));
$this->assertOutputContains('Can I have a backslash? [\]', $output);
}
public function testAskEscapeAndFormatLabel()
{
$helper = new SymfonyQuestionHelper();
$input = $this->createStreamableInputInterfaceMock($this->getInputStream('Foo\\Bar'));
$helper->ask($input, $output = $this->createOutputInterface(), new Question('Do you want to use Foo\\Bar <comment>or</comment> Foo\\Baz\\?', 'Foo\\Baz'));
$this->assertOutputContains('Do you want to use Foo\\Bar or Foo\\Baz\\? [Foo\\Baz]:', $output);
}
public function testLabelTrailingBackslash()
{
$helper = new SymfonyQuestionHelper();
$input = $this->createStreamableInputInterfaceMock($this->getInputStream('sure'));
$helper->ask($input, $output = $this->createOutputInterface(), new Question('Question with a trailing \\'));
$this->assertOutputContains('Question with a trailing \\', $output);
}
/**
* @expectedException \Symfony\Component\Console\Exception\RuntimeException
* @expectedExceptionMessage Aborted.
*/
public function testAskThrowsExceptionOnMissingInput()
{
$dialog = new SymfonyQuestionHelper();
$dialog->ask($this->createStreamableInputInterfaceMock($this->getInputStream('')), $this->createOutputInterface(), new Question('What\'s your name?'));
}
protected function getInputStream($input)
{
$stream = fopen('php://memory', 'r+', false);
fwrite($stream, $input);
rewind($stream);
return $stream;
}
protected function createOutputInterface()
{
$output = new StreamOutput(fopen('php://memory', 'r+', false));
$output->setDecorated(false);
return $output;
}
protected function createInputInterfaceMock($interactive = true)
{
$mock = $this->getMockBuilder('Symfony\Component\Console\Input\InputInterface')->getMock();
$mock->expects($this->any())
->method('isInteractive')
->willReturn($interactive);
return $mock;
}
private function assertOutputContains($expected, StreamOutput $output)
{
rewind($output->getStream());
$stream = stream_get_contents($output->getStream());
$this->assertContains($expected, $stream);
}
}