Nested describes

Nested describes are useful when you want to describe similar behavior between specs. Suppose we want the following two new acceptance criteria:

  • Given an investment, when its stock share price valorizes, it should have a positive return on investment (ROI)
  • Given an investment, when its stock share price valorizes, it should be a good investment

Both these criteria share the same behavior when the investment's stock share price valorizes.

To translate this into Jasmine, you can nest a call to the describe function inside the existing one in the InvestmentSpec.js file (I removed the rest of the code for the purpose of demonstration; it is still there):

describe("Investment", function()
  describe("when its stock share price valorizes", ...

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