Rspec::Shell::Expectations

Run your shell script in a mocked environment to test its behaviour using RSpec.

Installation

Add this line to your application's Gemfile:

gem 'rspec-shell-expectations'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rspec-shell-expectations

Usage

see specs in spec/ folder:

Running script through stubbed env:

  require 'English'

  describe 'my shell script' do
    include Rspec::Shell::Expectations

    let(:stubbed_env) { create_stubbed_env }

    it 'runs the script' do
      stubbed_env.execute 'my-shell-script.sh'
      expect($CHILD_STATUS.exitstatus).to eq 0
    end
  end

Stubbing commands:

  require 'English'

  describe 'my shell script' do
    include Rspec::Shell::Expectations

    let(:stubbed_env) { create_stubbed_env }
    before do
      stubbed_env.stub_command('rake')
    end

    it 'runs the script' do
      stubbed_env.execute 'my-shell-script.sh'
      expect($CHILD_STATUS.exitstatus).to eq 0
    end
  end

Contributing

1. Fork it ( https://github.com/matthijsgroen/rspec-shell-expectations/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request