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Part 5: Corner Cases

By now you should be familiar with the cycle:

  1. Pick a new scenario to work on (you should have 2/4 working at this point)
  2. Run the scenario and watch it fail
  3. Develop code that makes each step of the scenario pass
  4. Repeat till all steps passing.

Use this process to develop the code for the remaining actions win and lose. You will need to add code to the show action that checks whether the game state it is about to show is actually a winning or losing state, and if so, it should redirect to the appropriate win or lose action. Recall that your game logic model has a method for testing if the current game state is win, lose, or keep playing. The scenario game_over.feature tests these behaviors in your SaaS app.

Push to Heroku and make sure everything still works. Give yourself a break and play a few rounds of hangperson.

While you're playing, what happens if you directly add /win to the end of your app's URL? Make sure the player cannot cheat by simply visiting GET /win. Consider how to modify the actions for win, lose, and show to prevent this behavior.

  • What to submit: Make sure all Cucumber scenarios are passing. A shorthand way to run all of them is cucumber features/ which runs all .feature files in the given directory.

Submission Instructions

When all scenarios are passing, deploy to Heroku and submit the URL of your deployed game. Note: Make sure the Heroku URL does not begin with https or with http, or you may get a socket error message. For example, if your app name on heroku is 'dragon-4582', then the proper Heroku URL would be 'dragon-4582.herokuapp.com' with nothing else.

IMPORTANT!!! The file that you will submit to the autograder MUST be ASCII encoded. If you do not know what this means then please create your text file in cloud9 using the echo command like this:

echo 'my-app-12345.herokuapp.com' > hw2.txt

Note that the auto-grader expects the URL to be of a specific form - the URL in the text file should contain neither http:// nor https://. If you run the cat command after creating the file like this:

cat hw2.txt

then the output should look like this:

my-app-12345.herokuapp.com

You would of course change 'my-app-12345' to match your heroku URL. Then right-click on the 'hw2.txt' file in the left side panel of cloud9 and choose 'Download'. Remember which folder you download this into so that you can browse for it on the homework submission page. It is usually your 'My Downloads' folder.

Lastly, visit the same URL that you put into the text file with your web browser to be sure that your app is running correctly at that address before submitting the text file.

Next: Conclusion