jhu-ep-coursera/fullstack-course1-module3-blackbox-testing

Ruby

What is this?

This repo is a small, but working POC (Proof of Concept) of how we might accomplish "Blackbox testing"

Watch the video about Blackbox Testing that uses this repo

https://www.coursera.org/learn/ruby-on-rails-intro/lecture/RbJIe/blackbox-testing

How do we blackbox-test a webapp (Rails or any webapp really) using Ruby? (And why should we use Ruby for this?)

Enter RSpec + Capybara ruby gems. When these 2 frameworks come together, you can write very intuitive and expressive tests.

For example, can you tell what the following test does?

describe "Recipes App" do
  it "displays chocolate by default" do
    visit "/"
    expect(page).to have_content 'Chocolate Tea'
  end

  it "displays beef when keyword is beef" do
    visit "?keyword=beef"
    expect(page).to have_content 'Delicious Scalloped Potato'  	
  end
end

##How do I get started?

Install PhantomJS (http://phantomjs.org/)
Run the following inside your terminal:

$ gem install rspec
$ gem install selenium-webdriver
$ gem install capybara
$ gem install poltergeist

(If you are using rbenv, also run $rbenv rehash)
Pull down this repo
Run the following in your terminal (right outside of spec dir):
```
$ rspec
```
or even better
```
$ rspec -f d
```
to see the magic.

Headless mode

# Capybara.default_driver = :selenium
# Headless
Capybara.default_driver = :poltergeist