gistfile1.rb

def parse(name)
  raise "Write the parse method."
end

describe "parse" do 

  it "should list all permutations, text in brackets is optional" do
    strings = parse("foo[bar]")
    strings.should include('foo')
    strings.should include('foobar')
    strings.should_not include('bar')
    strings.size.should == 2
  end

  it "should list all permutations, text in brackets is optional" do
    strings = parse("[foo]bar")
    strings.should include('bar')
    strings.should include('foobar')
    strings.should_not include('foo')
    strings.size.should == 2
  end
 
  it "should list all permutations, text in brackets is optional" do
    strings = parse("[foo]bar[baz]")
    strings.should include('foobar')
    strings.should include('bar')
    strings.should include('barbaz')
    strings.should include('foobarbaz')
    strings.should_not include('foo')
    strings.should_not include('baz')
    strings.size.should == 4
  end

  it "should return the string, when there are no brackets" do
    strings = parse("foo")
    strings.should include('foo')
    strings.size.should == 1
  end

end