feature #10606 [Console] added a better way to ask questions to the user (fabpot, romainneutron)
This PR was merged into the 2.5-dev branch. Discussion ---------- [Console] added a better way to ask questions to the user | Q | A | ------------- | --- | Bug fix? | no | New feature? | yes | BC breaks? | no | Deprecations? | yes | Tests pass? | yes | Fixed tickets | n/a | License | MIT | Doc PR | not yet This PR replaces #9811 - [x] add missing phpdocs - [x] add unit tests - [ ] submit doc PR Commits -------336bba2[Console] Add docblocks and unit tests to QuestionHelperc413f89[Console] added a better way to ask questions to the user
This commit is contained in:
Fabien Potencier
commit
afc34cf14c
@ -20,6 +20,8 @@ UPGRADE FROM 2.x to 3.0
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### Console
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* The `dialog` helper has been removed in favor of the `question` helper.
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* The methods `isQuiet`, `isVerbose`, `isVeryVerbose` and `isDebug` were added
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to `Symfony\Component\Console\Output\OutputInterface`.
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@ -13,6 +13,7 @@ namespace Symfony\Component\Console;
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use Symfony\Component\Console\Descriptor\TextDescriptor;
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use Symfony\Component\Console\Descriptor\XmlDescriptor;
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use Symfony\Component\Console\Helper\QuestionHelper;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\ArgvInput;
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use Symfony\Component\Console\Input\ArrayInput;
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@ -968,6 +969,7 @@ class Application
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new DialogHelper(),
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new ProgressHelper(),
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new TableHelper(),
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new QuestionHelper(),
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));
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}
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@ -4,10 +4,12 @@ CHANGELOG
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2.5.0
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-----
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* deprecated the dialog helper (use the question helper instead)
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* deprecated TableHelper in favor of Table
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* deprecated ProgressHelper in favor of ProgressBar
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* added a question helper
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* added a way to set the process name of a command
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* added a way to set a default command instead of `ListCommand`
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* added a way to set the process title of a command
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2.4.0
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-----
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@ -18,6 +18,9 @@ use Symfony\Component\Console\Formatter\OutputFormatterStyle;
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* The Dialog class provides helpers to interact with the user.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @deprecated Deprecated since version 2.5, to be removed in 3.0.
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* Use the question helper instead.
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*/
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class DialogHelper extends InputAwareHelper
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{
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412
src/Symfony/Component/Console/Helper/QuestionHelper.php
Normal file
412
src/Symfony/Component/Console/Helper/QuestionHelper.php
Normal file
@ -0,0 +1,412 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Helper;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Formatter\OutputFormatterStyle;
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use Symfony\Component\Console\Question\Question;
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use Symfony\Component\Console\Question\ChoiceQuestion;
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/**
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* The QuestionHelper class provides helpers to interact with the user.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class QuestionHelper extends Helper
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{
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private $inputStream;
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private static $shell;
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private static $stty;
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public function __construct()
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{
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$this->inputStream = STDIN;
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}
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/**
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* Asks a question to the user.
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*
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* @param InputInterface $input An InputInterface instance
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* @param OutputInterface $output An OutputInterface instance
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* @param Question $question The question to ask
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*
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* @return string The user answer
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*
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* @throws \RuntimeException If there is no data to read in the input stream
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*/
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public function ask(InputInterface $input, OutputInterface $output, Question $question)
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{
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if (!$input->isInteractive()) {
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return $question->getDefault();
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}
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if (!$question->getValidator()) {
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return $this->doAsk($output, $question);
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}
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$that = $this;
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$interviewer = function () use ($output, $question, $that) {
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return $that->doAsk($output, $question);
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};
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return $this->validateAttempts($interviewer, $output, $question);
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}
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/**
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* Sets the input stream to read from when interacting with the user.
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*
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* This is mainly useful for testing purpose.
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*
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* @param resource $stream The input stream
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*
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* @throws \InvalidArgumentException In case the stream is not a resource
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*/
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public function setInputStream($stream)
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{
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if (!is_resource($stream)) {
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throw new \InvalidArgumentException('Input stream must be a valid resource.');
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}
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$this->inputStream = $stream;
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}
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/**
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* Returns the helper's input stream
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*
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* @return resource
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*/
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public function getInputStream()
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{
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return $this->inputStream;
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'question';
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}
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/**
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* Asks the question to the user.
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*
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* @param OutputInterface $output
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* @param Question $question
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*
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* @return bool|mixed|null|string
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*
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* @throws \Exception
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* @throws \RuntimeException
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*/
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private function doAsk(OutputInterface $output, Question $question)
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{
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$message = $question->getQuestion();
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if ($question instanceof ChoiceQuestion) {
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$width = max(array_map('strlen', array_keys($question->getChoices())));
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$messages = (array) $question->getQuestion();
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foreach ($question->getChoices() as $key => $value) {
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$messages[] = sprintf(" [<info>%-${width}s</info>] %s", $key, $value);
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}
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$output->writeln($messages);
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$message = $question->getPrompt();
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}
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$output->write($message);
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$autocomplete = $question->getAutocompleterValues();
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if (null === $autocomplete || !$this->hasSttyAvailable()) {
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$ret = false;
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if ($question->isHidden()) {
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try {
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$ret = trim($this->getHiddenResponse($output));
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} catch (\RuntimeException $e) {
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if (!$question->isHiddenFallback()) {
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throw $e;
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}
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}
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}
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if (false === $ret) {
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$ret = fgets($this->inputStream, 4096);
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if (false === $ret) {
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throw new \RuntimeException('Aborted');
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}
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$ret = trim($ret);
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}
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} else {
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$ret = trim($this->autocomplete($output, $question));
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}
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$ret = strlen($ret) > 0 ? $ret : $question->getDefault();
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if ($normalizer = $question->getNormalizer()) {
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return $normalizer($ret);
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}
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return $ret;
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}
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/**
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* Autocompletes a question.
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*
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* @param OutputInterface $output
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* @param Question $question
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*
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* @return string
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*/
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private function autocomplete(OutputInterface $output, Question $question)
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{
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$autocomplete = $question->getAutocompleterValues();
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$ret = '';
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$i = 0;
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$ofs = -1;
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$matches = $autocomplete;
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$numMatches = count($matches);
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$sttyMode = shell_exec('stty -g');
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// Disable icanon (so we can fread each keypress) and echo (we'll do echoing here instead)
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shell_exec('stty -icanon -echo');
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// Add highlighted text style
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$output->getFormatter()->setStyle('hl', new OutputFormatterStyle('black', 'white'));
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// Read a keypress
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while (!feof($this->inputStream)) {
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$c = fread($this->inputStream, 1);
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// Backspace Character
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if ("\177" === $c) {
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if (0 === $numMatches && 0 !== $i) {
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$i--;
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// Move cursor backwards
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$output->write("\033[1D");
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}
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if ($i === 0) {
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$ofs = -1;
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$matches = $autocomplete;
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$numMatches = count($matches);
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} else {
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$numMatches = 0;
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}
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// Pop the last character off the end of our string
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$ret = substr($ret, 0, $i);
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} elseif ("\033" === $c) { // Did we read an escape sequence?
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$c .= fread($this->inputStream, 2);
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// A = Up Arrow. B = Down Arrow
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if ('A' === $c[2] || 'B' === $c[2]) {
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if ('A' === $c[2] && -1 === $ofs) {
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$ofs = 0;
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}
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if (0 === $numMatches) {
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continue;
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}
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$ofs += ('A' === $c[2]) ? -1 : 1;
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$ofs = ($numMatches + $ofs) % $numMatches;
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}
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} elseif (ord($c) < 32) {
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if ("\t" === $c || "\n" === $c) {
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if ($numMatches > 0 && -1 !== $ofs) {
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$ret = $matches[$ofs];
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// Echo out remaining chars for current match
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$output->write(substr($ret, $i));
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$i = strlen($ret);
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}
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if ("\n" === $c) {
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$output->write($c);
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break;
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}
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$numMatches = 0;
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}
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continue;
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} else {
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$output->write($c);
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$ret .= $c;
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$i++;
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$numMatches = 0;
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$ofs = 0;
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foreach ($autocomplete as $value) {
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// If typed characters match the beginning chunk of value (e.g. [AcmeDe]moBundle)
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if (0 === strpos($value, $ret) && $i !== strlen($value)) {
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$matches[$numMatches++] = $value;
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}
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}
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}
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// Erase characters from cursor to end of line
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$output->write("\033[K");
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if ($numMatches > 0 && -1 !== $ofs) {
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// Save cursor position
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$output->write("\0337");
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// Write highlighted text
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$output->write('<hl>'.substr($matches[$ofs], $i).'</hl>');
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// Restore cursor position
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$output->write("\0338");
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}
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}
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// Reset stty so it behaves normally again
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shell_exec(sprintf('stty %s', $sttyMode));
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return $ret;
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}
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/**
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* Gets a hidden response from user.
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*
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* @param OutputInterface $output An Output instance
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*
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* @return string The answer
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*
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* @throws \RuntimeException In case the fallback is deactivated and the response cannot be hidden
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*/
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private function getHiddenResponse(OutputInterface $output)
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{
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if (defined('PHP_WINDOWS_VERSION_BUILD')) {
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$exe = __DIR__.'/../Resources/bin/hiddeninput.exe';
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// handle code running from a phar
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if ('phar:' === substr(__FILE__, 0, 5)) {
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$tmpExe = sys_get_temp_dir().'/hiddeninput.exe';
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copy($exe, $tmpExe);
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$exe = $tmpExe;
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}
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$value = rtrim(shell_exec($exe));
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$output->writeln('');
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if (isset($tmpExe)) {
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unlink($tmpExe);
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}
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return $value;
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}
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if ($this->hasSttyAvailable()) {
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$sttyMode = shell_exec('stty -g');
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shell_exec('stty -echo');
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$value = fgets($this->inputStream, 4096);
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shell_exec(sprintf('stty %s', $sttyMode));
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if (false === $value) {
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throw new \RuntimeException('Aborted');
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}
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$value = trim($value);
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$output->writeln('');
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return $value;
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}
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if (false !== $shell = $this->getShell()) {
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$readCmd = $shell === 'csh' ? 'set mypassword = $<' : 'read -r mypassword';
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$command = sprintf("/usr/bin/env %s -c 'stty -echo; %s; stty echo; echo \$mypassword'", $shell, $readCmd);
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$value = rtrim(shell_exec($command));
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$output->writeln('');
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return $value;
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}
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throw new \RuntimeException('Unable to hide the response.');
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}
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/**
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* Validates an attempt.
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*
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* @param callable $interviewer A callable that will ask for a question and return the result
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* @param OutputInterface $output An Output instance
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* @param Question $question A Question instance
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*
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* @return string The validated response
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*
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* @throws \Exception In case the max number of attempts has been reached and no valid response has been given
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*/
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private function validateAttempts($interviewer, OutputInterface $output, Question $question)
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{
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$error = null;
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$attempts = $question->getMaxAttempts();
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while (null === $attempts || $attempts--) {
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if (null !== $error) {
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$output->writeln($this->getHelperSet()->get('formatter')->formatBlock($error->getMessage(), 'error'));
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}
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try {
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return call_user_func($question->getValidator(), $interviewer());
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} catch (\Exception $error) {
|
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}
|
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}
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throw $error;
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}
|
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|
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/**
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* Returns a valid unix shell.
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*
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* @return string|Boolean The valid shell name, false in case no valid shell is found
|
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*/
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private function getShell()
|
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{
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if (null !== self::$shell) {
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return self::$shell;
|
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}
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|
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self::$shell = false;
|
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|
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if (file_exists('/usr/bin/env')) {
|
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// handle other OSs with bash/zsh/ksh/csh if available to hide the answer
|
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$test = "/usr/bin/env %s -c 'echo OK' 2> /dev/null";
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foreach (array('bash', 'zsh', 'ksh', 'csh') as $sh) {
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if ('OK' === rtrim(shell_exec(sprintf($test, $sh)))) {
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self::$shell = $sh;
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||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return self::$shell;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether Stty is available or not.
|
||||
*
|
||||
* @return Boolean
|
||||
*/
|
||||
private function hasSttyAvailable()
|
||||
{
|
||||
if (null !== self::$stty) {
|
||||
return self::$stty;
|
||||
}
|
||||
|
||||
exec('stty 2>&1', $output, $exitcode);
|
||||
|
||||
return self::$stty = $exitcode === 0;
|
||||
}
|
||||
}
|
||||
138
src/Symfony/Component/Console/Question/ChoiceQuestion.php
Normal file
138
src/Symfony/Component/Console/Question/ChoiceQuestion.php
Normal file
@ -0,0 +1,138 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\Console\Question;
|
||||
|
||||
/**
|
||||
* Represents a choice question.
|
||||
*
|
||||
* @author Fabien Potencier <fabien@symfony.com>
|
||||
*/
|
||||
class ChoiceQuestion extends Question
|
||||
{
|
||||
private $choices;
|
||||
private $multiselect = false;
|
||||
private $prompt = ' > ';
|
||||
private $errorMessage = 'Value "%s" is invalid';
|
||||
|
||||
public function __construct($question, array $choices, $default = null)
|
||||
{
|
||||
parent::__construct($question, $default);
|
||||
|
||||
$this->choices = $choices;
|
||||
$this->setValidator($this->getDefaultValidator());
|
||||
$this->setAutocompleterValues(array_keys($choices));
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns available choices.
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function getChoices()
|
||||
{
|
||||
return $this->choices;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets multiselect option.
|
||||
*
|
||||
* When multiselect is set to true, multiple choices can be answered.
|
||||
*
|
||||
* @param Boolean $multiselect
|
||||
*
|
||||
* @return ChoiceQuestion The current instance
|
||||
*/
|
||||
public function setMultiselect($multiselect)
|
||||
{
|
||||
$this->multiselect = $multiselect;
|
||||
$this->setValidator($this->getDefaultValidator());
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the prompt for choices.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getPrompt()
|
||||
{
|
||||
return $this->prompt;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the prompt for choices.
|
||||
*
|
||||
* @param string $prompt
|
||||
*
|
||||
* @return ChoiceQuestion The current instance
|
||||
*/
|
||||
public function setPrompt($prompt)
|
||||
{
|
||||
$this->prompt = $prompt;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the error message for invalid values.
|
||||
*
|
||||
* The error message has a string placeholder (%s) for the invalid value.
|
||||
*
|
||||
* @param string $errorMessage
|
||||
*
|
||||
* @return ChoiceQuestion The current instance
|
||||
*/
|
||||
public function setErrorMessage($errorMessage)
|
||||
{
|
||||
$this->errorMessage = $errorMessage;
|
||||
$this->setValidator($this->getDefaultValidator());
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
private function getDefaultValidator()
|
||||
{
|
||||
$choices = $this->choices;
|
||||
$errorMessage = $this->errorMessage;
|
||||
$multiselect = $this->multiselect;
|
||||
|
||||
return function ($selected) use ($choices, $errorMessage, $multiselect) {
|
||||
// Collapse all spaces.
|
||||
$selectedChoices = str_replace(' ', '', $selected);
|
||||
|
||||
if ($multiselect) {
|
||||
// Check for a separated comma values
|
||||
if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) {
|
||||
throw new \InvalidArgumentException(sprintf($errorMessage, $selected));
|
||||
}
|
||||
$selectedChoices = explode(',', $selectedChoices);
|
||||
} else {
|
||||
$selectedChoices = array($selected);
|
||||
}
|
||||
|
||||
$multiselectChoices = array();
|
||||
foreach ($selectedChoices as $value) {
|
||||
if (empty($choices[$value])) {
|
||||
throw new \InvalidArgumentException(sprintf($errorMessage, $value));
|
||||
}
|
||||
array_push($multiselectChoices, $choices[$value]);
|
||||
}
|
||||
|
||||
if ($multiselect) {
|
||||
return $multiselectChoices;
|
||||
}
|
||||
|
||||
return $choices[$selected];
|
||||
};
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,44 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\Console\Question;
|
||||
|
||||
/**
|
||||
* Represents a yes/no question.
|
||||
*
|
||||
* @author Fabien Potencier <fabien@symfony.com>
|
||||
*/
|
||||
class ConfirmationQuestion extends Question
|
||||
{
|
||||
public function __construct($question, $default = true)
|
||||
{
|
||||
parent::__construct($question, (Boolean) $default);
|
||||
|
||||
$this->setNormalizer($this->getDefaultNormalizer());
|
||||
}
|
||||
|
||||
private function getDefaultNormalizer()
|
||||
{
|
||||
$default = $this->getDefault();
|
||||
|
||||
return function ($answer) use ($default) {
|
||||
if (is_bool($answer)) {
|
||||
return $answer;
|
||||
}
|
||||
|
||||
if (false === $default) {
|
||||
return $answer && 'y' === strtolower($answer[0]);
|
||||
}
|
||||
|
||||
return !$answer || 'y' === strtolower($answer[0]);
|
||||
};
|
||||
}
|
||||
}
|
||||
239
src/Symfony/Component/Console/Question/Question.php
Normal file
239
src/Symfony/Component/Console/Question/Question.php
Normal file
@ -0,0 +1,239 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\Console\Question;
|
||||
use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
|
||||
|
||||
/**
|
||||
* Represents a Question.
|
||||
*
|
||||
* @author Fabien Potencier <fabien@symfony.com>
|
||||
*/
|
||||
class Question
|
||||
{
|
||||
private $question;
|
||||
private $attempts;
|
||||
private $hidden = false;
|
||||
private $hiddenFallback = true;
|
||||
private $autocompleterValues;
|
||||
private $validator;
|
||||
private $default;
|
||||
private $normalizer;
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*
|
||||
* @param string $question The question to ask to the user
|
||||
* @param mixed $default The default answer to return if the user enters nothing
|
||||
*/
|
||||
public function __construct($question, $default = null)
|
||||
{
|
||||
$this->question = $question;
|
||||
$this->default = $default;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the question.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getQuestion()
|
||||
{
|
||||
return $this->question;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the default answer.
|
||||
*
|
||||
* @return mixed
|
||||
*/
|
||||
public function getDefault()
|
||||
{
|
||||
return $this->default;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether the user response must be hidden.
|
||||
*
|
||||
* @return Boolean
|
||||
*/
|
||||
public function isHidden()
|
||||
{
|
||||
return $this->hidden;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets whether the user response must be hidden or not.
|
||||
*
|
||||
* @param Boolean $hidden
|
||||
*
|
||||
* @return Question The current instance
|
||||
*
|
||||
* @throws \LogicException In case the autocompleter is also used
|
||||
*/
|
||||
public function setHidden($hidden)
|
||||
{
|
||||
if ($this->autocompleterValues) {
|
||||
throw new \LogicException('A hidden question cannot use the autocompleter.');
|
||||
}
|
||||
|
||||
$this->hidden = (Boolean) $hidden;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* In case the response can not be hidden, whether to fallback on non-hidden question or not.
|
||||
*
|
||||
* @return Boolean
|
||||
*/
|
||||
public function isHiddenFallback()
|
||||
{
|
||||
return $this->hiddenFallback;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets whether to fallback on non-hidden question if the response can not be hidden.
|
||||
*
|
||||
* @param Boolean $fallback
|
||||
*
|
||||
* @return Question The current instance
|
||||
*/
|
||||
public function setHiddenFallback($fallback)
|
||||
{
|
||||
$this->hiddenFallback = (Boolean) $fallback;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets values for the autocompleter.
|
||||
*
|
||||
* @return null|array|Traversable
|
||||
*/
|
||||
public function getAutocompleterValues()
|
||||
{
|
||||
return $this->autocompleterValues;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets values for the autocompleter.
|
||||
*
|
||||
* @param null|array|Traversable $values
|
||||
*
|
||||
* @return Question The current instance
|
||||
*
|
||||
* @throws \InvalidArgumentException
|
||||
* @throws \LogicException
|
||||
*/
|
||||
public function setAutocompleterValues($values)
|
||||
{
|
||||
if (null !== $values && !is_array($values)) {
|
||||
if (!$values instanceof \Traversable || $values instanceof \Countable) {
|
||||
throw new \InvalidArgumentException('Autocompleter values can be either an array, `null` or an object implementing both `Countable` and `Traversable` interfaces.');
|
||||
}
|
||||
}
|
||||
|
||||
if ($this->hidden) {
|
||||
throw new \LogicException('A hidden question cannot use the autocompleter.');
|
||||
}
|
||||
|
||||
$this->autocompleterValues = $values;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets a validator for the question.
|
||||
*
|
||||
* @param null|callable $validator
|
||||
*
|
||||
* @return Question The current instance
|
||||
*/
|
||||
public function setValidator($validator)
|
||||
{
|
||||
$this->validator = $validator;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the validator for the question
|
||||
*
|
||||
* @return null|callable
|
||||
*/
|
||||
public function getValidator()
|
||||
{
|
||||
return $this->validator;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the maximum number of attempts.
|
||||
*
|
||||
* Null means an unlimited number of attempts.
|
||||
*
|
||||
* @param null|integer $attempts
|
||||
*
|
||||
* @return Question The current instance
|
||||
*
|
||||
* @throws InvalidArgumentException In case the number of attempts is invalid.
|
||||
*/
|
||||
public function setMaxAttempts($attempts)
|
||||
{
|
||||
if (null !== $attempts && $attempts < 1) {
|
||||
throw new \InvalidArgumentException('Maximum number of attempts must be a positive value.');
|
||||
}
|
||||
|
||||
$this->attempts = $attempts;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the maximum number of attempts.
|
||||
*
|
||||
* Null means an unlimited number of attempts.
|
||||
*
|
||||
* @return null|integer
|
||||
*/
|
||||
public function getMaxAttempts()
|
||||
{
|
||||
return $this->attempts;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets a normalizer for the response.
|
||||
*
|
||||
* The normalizer can ba a callable (a string), a closure or a class implementing __invoke.
|
||||
*
|
||||
* @param string|Closure $normalizer
|
||||
*
|
||||
* @return Question The current instance
|
||||
*/
|
||||
public function setNormalizer($normalizer)
|
||||
{
|
||||
$this->normalizer = $normalizer;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the normalizer for the response.
|
||||
*
|
||||
* The normalizer can ba a callable (a string), a closure or a class implementing __invoke.
|
||||
*
|
||||
* @return string|Closure
|
||||
*/
|
||||
public function getNormalizer()
|
||||
{
|
||||
return $this->normalizer;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,238 @@
|
||||
<?php
|
||||
|
||||
/*
|
||||
* This file is part of the Symfony package.
|
||||
*
|
||||
* (c) Fabien Potencier <fabien@symfony.com>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
namespace Symfony\Component\Console\Tests\Helper;
|
||||
|
||||
use Symfony\Component\Console\Helper\QuestionHelper;
|
||||
use Symfony\Component\Console\Helper\HelperSet;
|
||||
use Symfony\Component\Console\Helper\FormatterHelper;
|
||||
use Symfony\Component\Console\Output\StreamOutput;
|
||||
use Symfony\Component\Console\Question\ChoiceQuestion;
|
||||
use Symfony\Component\Console\Question\ConfirmationQuestion;
|
||||
use Symfony\Component\Console\Question\Question;
|
||||
|
||||
class QuestionHelperTest extends \PHPUnit_Framework_TestCase
|
||||
{
|
||||
public function testAskChoice()
|
||||
{
|
||||
$questionHelper = new QuestionHelper();
|
||||
|
||||
$helperSet = new HelperSet(array(new FormatterHelper()));
|
||||
$questionHelper->setHelperSet($helperSet);
|
||||
|
||||
$heroes = array('Superman', 'Batman', 'Spiderman');
|
||||
|
||||
$questionHelper->setInputStream($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');
|
||||
// first answer is an empty answer, we're supposed to receive the default value
|
||||
$this->assertEquals('Spiderman', $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes);
|
||||
$this->assertEquals('Batman', $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('Batman', $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes);
|
||||
$question->setErrorMessage('Input "%s" is not a superhero!');
|
||||
$this->assertEquals('Batman', $questionHelper->ask($this->createInputInterfaceMock(), $output = $this->createOutputInterface(), $question));
|
||||
|
||||
rewind($output->getStream());
|
||||
$stream = stream_get_contents($output->getStream());
|
||||
$this->assertContains('Input "Fabien" is not a superhero!', $stream);
|
||||
|
||||
try {
|
||||
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '1');
|
||||
$question->setMaxAttempts(1);
|
||||
$questionHelper->ask($this->createInputInterfaceMock(), $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->setMultiselect(true);
|
||||
|
||||
$this->assertEquals(array('Batman'), $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals(array('Superman', 'Spiderman'), $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals(array('Superman', 'Spiderman'), $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, '0,1');
|
||||
$question->setMultiselect(true);
|
||||
|
||||
$this->assertEquals(array('Superman', 'Batman'), $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$question = new ChoiceQuestion('What is your favorite superhero?', $heroes, ' 0 , 1 ');
|
||||
$question->setMultiselect(true);
|
||||
|
||||
$this->assertEquals(array('Superman', 'Batman'), $questionHelper->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
}
|
||||
|
||||
public function testAsk()
|
||||
{
|
||||
$dialog = new QuestionHelper();
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("\n8AM\n"));
|
||||
|
||||
$question = new Question('What time is it?', '2PM');
|
||||
$this->assertEquals('2PM', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$question = new Question('What time is it?', '2PM');
|
||||
$this->assertEquals('8AM', $dialog->ask($this->createInputInterfaceMock(), $output = $this->createOutputInterface(), $question));
|
||||
|
||||
rewind($output->getStream());
|
||||
$this->assertEquals('What time is it?', stream_get_contents($output->getStream()));
|
||||
}
|
||||
|
||||
public function testAskWithAutocomplete()
|
||||
{
|
||||
if (!$this->hasSttyAvailable()) {
|
||||
$this->markTestSkipped('`stty` is required to test autocomplete functionality');
|
||||
}
|
||||
|
||||
// Acm<NEWLINE>
|
||||
// Ac<BACKSPACE><BACKSPACE>s<TAB>Test<NEWLINE>
|
||||
// <NEWLINE>
|
||||
// <UP ARROW><UP ARROW><NEWLINE>
|
||||
// <UP ARROW><UP ARROW><UP ARROW><UP ARROW><UP ARROW><TAB>Test<NEWLINE>
|
||||
// <DOWN ARROW><NEWLINE>
|
||||
// S<BACKSPACE><BACKSPACE><DOWN ARROW><DOWN ARROW><NEWLINE>
|
||||
// F00<BACKSPACE><BACKSPACE>oo<TAB><NEWLINE>
|
||||
$inputStream = $this->getInputStream("Acm\nAc\177\177s\tTest\n\n\033[A\033[A\n\033[A\033[A\033[A\033[A\033[A\tTest\n\033[B\nS\177\177\033[B\033[B\nF00\177\177oo\t\n");
|
||||
|
||||
$dialog = new QuestionHelper();
|
||||
$dialog->setInputStream($inputStream);
|
||||
$helperSet = new HelperSet(array(new FormatterHelper()));
|
||||
$dialog->setHelperSet($helperSet);
|
||||
|
||||
$question = new Question('Please select a bundle', 'FrameworkBundle');
|
||||
$question->setAutocompleterValues(array('AcmeDemoBundle', 'AsseticBundle', 'SecurityBundle', 'FooBundle'));
|
||||
|
||||
$this->assertEquals('AcmeDemoBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('AsseticBundleTest', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('FrameworkBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('SecurityBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('FooBundleTest', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('AcmeDemoBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('AsseticBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('FooBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
}
|
||||
|
||||
/**
|
||||
* @group tty
|
||||
*/
|
||||
public function testAskHiddenResponse()
|
||||
{
|
||||
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
|
||||
$this->markTestSkipped('This test is not supported on Windows');
|
||||
}
|
||||
|
||||
$dialog = new QuestionHelper();
|
||||
$dialog->setInputStream($this->getInputStream("8AM\n"));
|
||||
|
||||
$question = new Question('What time is it?');
|
||||
$question->setHidden(true);
|
||||
|
||||
$this->assertEquals('8AM', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
}
|
||||
|
||||
public function testAskConfirmation()
|
||||
{
|
||||
$dialog = new QuestionHelper();
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("\n\n"));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?');
|
||||
$this->assertTrue($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?', false);
|
||||
$this->assertFalse($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("y\nyes\n"));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?', false);
|
||||
$this->assertTrue($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?', false);
|
||||
$this->assertTrue($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("n\nno\n"));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?', true);
|
||||
$this->assertFalse($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$question = new ConfirmationQuestion('Do you like French fries?', true);
|
||||
$this->assertFalse($dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
}
|
||||
|
||||
public function testAskAndValidate()
|
||||
{
|
||||
$dialog = new QuestionHelper();
|
||||
$helperSet = new HelperSet(array(new FormatterHelper()));
|
||||
$dialog->setHelperSet($helperSet);
|
||||
|
||||
$error = 'This is not a color!';
|
||||
$validator = function ($color) use ($error) {
|
||||
if (!in_array($color, array('white', 'black'))) {
|
||||
throw new \InvalidArgumentException($error);
|
||||
}
|
||||
|
||||
return $color;
|
||||
};
|
||||
|
||||
$question = new Question('What color was the white horse of Henry IV?', 'white');
|
||||
$question->setValidator($validator);
|
||||
$question->setMaxAttempts(2);
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("\nblack\n"));
|
||||
$this->assertEquals('white', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->assertEquals('black', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
|
||||
$dialog->setInputStream($this->getInputStream("green\nyellow\norange\n"));
|
||||
try {
|
||||
$this->assertEquals('white', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
|
||||
$this->fail();
|
||||
} catch (\InvalidArgumentException $e) {
|
||||
$this->assertEquals($error, $e->getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
public function testNoInteraction()
|
||||
{
|
||||
$dialog = new QuestionHelper();
|
||||
$question = new Question('Do you have a job?', 'not yet');
|
||||
$this->assertEquals('not yet', $dialog->ask($this->createInputInterfaceMock(false), $this->createOutputInterface(), $question));
|
||||
}
|
||||
|
||||
protected function getInputStream($input)
|
||||
{
|
||||
$stream = fopen('php://memory', 'r+', false);
|
||||
fputs($stream, $input);
|
||||
rewind($stream);
|
||||
|
||||
return $stream;
|
||||
}
|
||||
|
||||
protected function createOutputInterface()
|
||||
{
|
||||
return new StreamOutput(fopen('php://memory', 'r+', false));
|
||||
}
|
||||
|
||||
protected function createInputInterfaceMock($interactive = true)
|
||||
{
|
||||
$mock = $this->getMock('Symfony\Component\Console\Input\InputInterface');
|
||||
$mock->expects($this->any())
|
||||
->method('isInteractive')
|
||||
->will($this->returnValue($interactive));
|
||||
|
||||
return $mock;
|
||||
}
|
||||
|
||||
private function hasSttyAvailable()
|
||||
{
|
||||
exec('stty 2>&1', $output, $exitcode);
|
||||
|
||||
return $exitcode === 0;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user