require_relative '../lib/text.rb' describe Text do it "should be able to replace text in file" do FileUtils.mkdir('tmp') if(!File.exists?('tmp')) File.open('tmp/test.txt','w'){|f| f.write("test thing") } Text.replace_in_file('tmp/test.txt','thing','string') expect(IO.read('tmp/test.txt').include?('test string')).to eq(true) FileUtils.cp('spec/sln-vs12-example/csharp-library/csharp-library.cs','tmp/csharp-library.cs') Text.replace_in_file('tmp/csharp-library.cs','Test','Test2') end end