2017 week 2

Question 1

How do you rename a heroku app from the command line?

Answer 1

heroku rename your_app_rename

Question 2

Applications in Heroku consist of what 3 things?

Answer 2

Your source code, a description of any dependencies, and a Procfile.

Question 3

Describe what a locator in Rspec is?

Answer 3

A locator allows you to find an element on a webpage and then act on it with a test

Question 4

When using the xpath tag, what does // mean? What would it mean if there was just / ?

Answer 4

The / refers to the root html tag

The // allows you to have access to all the html tags at once

Question 5

When using xpath, how do you locate something by an attribute?

Answer 5

You put the @ sign in front
If you want to find by an id
@id
If you want to find by a class
@class
etc.

Question 6

What is the current_path Capybara helper and when would you use it?

Answer 6

Assert you landed somewhere

expect(current_path).to eq rails_admin.dashboard_path
expect(current_path).to eq rails_admin.new_path(model_name: 'blog~post')
expect(current_path).to eq rails_admin.edit_path(model_name: 'blog~post', id: post.id)

Question 7

What is the difference between let vs let! in RSpec

Answer 7

Note that let is lazy-evaluated: it is not evaluated until the first time the method it defines is invoked.

You can use let! to force the method’s
invocation before each example