HelloWorld = require "./hello_world" describe "HelloWorld", -> hello_world = new HelloWorld() it "given no name", -> result = hello_world.hello() expect(result).toEqual "Hello, World!" it "given the name 'Alice'", -> result = hello_world.hello 'Alice' expect(result).toEqual "Hello, Alice!" it "given the name 'Bob'", -> result = hello_world.hello 'Bob' expect(result).toEqual "Hello, Bob!"