The test case of executing two rspec behaviours with line numbers

add_spec.rb

describe "Add" do  # sample test rspec 1

  it "can add single digit" do
	  puts "Add 1 + 2"
	  (1+2).should == 3
	end	
	
  it "can add double digit" do
	  puts "Add 11 + 22"
	  (11+22).should == 33
	end	
	
end

drive_rspec_runner.rb

require 'rubygems'
require 'rspec'

err, out = StringIO.new, StringIO.new

args = ["add_spec.rb", "--line_number", "4"]
RSpec::Core::Runner.run(args, err, out)

RSpec.reset
args = ["minus_spec.rb", "--line_number", "10"]
RSpec::Core::Runner.run(args, err, out)

out.rewind; puts out.read

minus_spec.rb

describe "Minu" do


	# No tests on line 4

  it "can minus single digit" do
	  puts "3 - 2"
	  (3-2).should == 1
	end	
	
  it "can minus double digit" do
	  puts "22 - 11"
	  (22-11).should == 11
	end	
	
end

Download three files in the same folder, then run drive_rspec_runner.rb