First commit

vendor/symfony/console/Tests/Helper/SymfonyQuestionHelperTest.php

@@ -0,0 +1,156 @@
+<?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\Question;
+use Symfony\Component\Console\Question\ChoiceQuestion;
+
+/**
+ * @group tty
+ */
+class SymfonyQuestionHelperTest extends AbstractQuestionHelperTest
+{
+    public function testAskChoice()
+    {
+        $questionHelper = new SymfonyQuestionHelper();
+
+        $helperSet = new HelperSet(array(new FormatterHelper()));
+        $questionHelper->setHelperSet($helperSet);
+
+        $heroes = array('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(array('Batman'), $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(array('Superman', 'Spiderman'), $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(array('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(array('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(array('Superman', 'Batman'), $questionHelper->ask($this->createStreamableInputInterfaceMock($inputStream), $output = $this->createOutputInterface(), $question));
+        $this->assertOutputContains('What is your favorite superhero? [Superman, 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')
+            ->will($this->returnValue($interactive));
+
+        return $mock;
+    }
+
+    private function assertOutputContains($expected, StreamOutput $output)
+    {
+        rewind($output->getStream());
+        $stream = stream_get_contents($output->getStream());
+        $this->assertContains($expected, $stream);
+    }
+}