https://github.com/yujinakayama/transpec/issues/103

.rspec

--color
--format progress

Gemfile

source 'https://rubygems.org'

gem 'rspec', '~> 2.14.0'
gem 'mocha'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    diff-lcs (1.2.5)
    metaclass (0.0.4)
    mocha (1.1.0)
      metaclass (~> 0.0.1)
    rspec (2.14.1)
      rspec-core (~> 2.14.0)
      rspec-expectations (~> 2.14.0)
      rspec-mocks (~> 2.14.0)
    rspec-core (2.14.8)
    rspec-expectations (2.14.5)
      diff-lcs (>= 1.1.3, < 2.0)
    rspec-mocks (2.14.6)

PLATFORMS
  ruby

DEPENDENCIES
  mocha
  rspec (~> 2.14.0)

BUNDLED WITH
   1.10.4

issue_spec.rb

RSpec.configure do |config|
  config.mock_with :mocha
end

describe 'issue' do
  it "is an example using mocha's #stub" do
    stub(:pence => 1000)
    p method(:stub).source_location
  end
end

result.txt

$ transpec issue_spec.rb
Copying the project for dynamic analysis...
Running dynamic analysis with command "bundle exec rspec"...
["/Users/nkymyj/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/mocha-1.1.0/lib/mocha/api.rb", 89]
.

Finished in 0.00046 seconds
1 example, 0 failures

Gathering the spec suite data...

Converting issue_spec.rb

0 conversions, 0 incompletes, 0 warnings, 0 errors