Add code activities for ch2 and ch3 (BDD features and scenarios)

knpu/Challenges/BddFeatures/BestBusinessValueMC.php

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+<?php
+
+namespace Challenges\BddFeatures;
+
+use KnpU\ActivityRunner\Activity\MultipleChoice\AnswerBuilder;
+use KnpU\ActivityRunner\Activity\MultipleChoiceChallengeInterface;
+
+class BestBusinessValueMC implements MultipleChoiceChallengeInterface
+{
+ /**
+ * @return string
+ */
+ public function getQuestion()
+ {
+ return <<<EOF
+For the messaging feature, you and the intern (Bob) are in
+a heated debate over how to phrase the business value.
+Which if the following is the *best* business value for the
+message feature:
+EOF;
+ }
+
+ /**
+ * @param AnswerBuilder $builder
+ */
+ public function configureAnswers(AnswerBuilder $builder)
+ {
+ $builder
+ ->addAnswer('In order to type messages and click to send them to scientists.')
+ ->addAnswer('In order to communicate with other scientists.')
+ ->addAnswer('In order to exchange information and resources with other scientists.', true)
+ ->addAnswer('In order to send cat videos.')
+ ;
+ }
+
+ /**
+ * @return string
+ */
+ public function getExplanation()
+ {
+ return <<<EOF
+Business value is subjective. But to help, forget about the technology
+and think about the problem that your user role (scientist) wants to
+solve. Both "communicate" and "exchange information and resources"
+are pretty good business values, but I like the second, because it
+contains a few more details about what the scientists actually
+want to do.
+EOF;
+ }
+}

knpu/Challenges/BddFeatures/RegistrationFeatureCoding.php

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+<?php
+
+namespace Challenges\Interfaces;
+
+use KnpU\ActivityRunner\Activity\CodingChallenge\CodingContext;
+use KnpU\ActivityRunner\Activity\CodingChallenge\CorrectAnswer;
+use KnpU\ActivityRunner\Activity\CodingChallengeInterface;
+use KnpU\ActivityRunner\Activity\CodingChallenge\CodingExecutionResult;
+use KnpU\ActivityRunner\Activity\CodingChallenge\FileBuilder;
+use KnpU\ActivityRunner\Activity\Exception\GradingException;
+
+class RegistrationFeatureCoding implements CodingChallengeInterface
+{
+ /**
+ * @return string
+ */
+ public function getQuestion()
+ {
+ return <<<EOF
+You've assembled a crack team for a brand new project:
+a site where paleontologists and other dinosaur scientists
+can send each other important scientific messages, along
+with the usual cat photos.
+
+Each scientist will need to register to gain access, and
+you - knowing that using BDD will create a better product -
+are writing a registration feature. Fill in the 4 feature
+lines in `registration.feature`.
+EOF;
+ }
+
+ public function getFileBuilder()
+ {
+ $fileBuilder = new FileBuilder();
+ $fileBuilder
+ ->addFileContents('registration.feature', <<<EOF
+EOF
+ )
+ ->setEntryPointFilename('registration.feature')
+ ;
+
+ return $fileBuilder;
+ }
+
+ public function getExecutionMode()
+ {
+ return self::EXECUTION_MODE_PHP_NORMAL;
+ }
+
+ public function setupContext(CodingContext $context)
+ {
+ }
+
+ public function grade(CodingExecutionResult $result)
+ {
+ throw new GradingException('Oops...');
+ }
+
+ public function configureCorrectAnswer(CorrectAnswer $correctAnswer)
+ {
+ $correctAnswer
+ ->setFileContents('registration.feature', <<<EOF
+Feature: Registration
+ In order to send and receive messages from scientists I know
+ As a scientist
+ I can register for a new account
+EOF
+ )
+ ;
+ }
+}