An example of a parameterized test suite using the Jasmine BDD framework for JavaScript. This example is in CoffeeScript.

parameterizable.spec.coffee

describe "The suit", ->

  beforeEach ->
    console.log('non-parameterized#beforeEach')

  afterEach ->
    console.log('non-parameterized#afterEach')

  it "should execute specs in the non-parameterized part", ->
    console.log('spec in non-parameterized')
    expect(true).toBe(true)

  parameterized = (param) ->
    describe "The parameterized sub-suit (" + param + ")", ->
  
      beforeEach ->
        console.log('parameterized#beforeEach')
  
      afterEach ->
        console.log('parameterized#afterEach')
  
      it "should execute specs in the parameterized part", ->
        console.log('spec in parameterized')
        expect(true).toBe(true)
  
      it "should be parameterizable", ->
        console.log('parameter: ' + param)
        expect(param).toMatch(/[AB]/)
 
  parameterized('A')
  parameterized('B')

zzz_output

> jasmine-node spec --coffee --verbose --match "parameterizable.*"

non-parameterized#beforeEach
spec in non-parameterized
non-parameterized#afterEach
non-parameterized#beforeEach
parameterized#beforeEach
spec in parameterized
parameterized#afterEach
non-parameterized#afterEach
non-parameterized#beforeEach
parameterized#beforeEach
parameter: A
parameterized#afterEach
non-parameterized#afterEach
non-parameterized#beforeEach
parameterized#beforeEach
spec in parameterized
parameterized#afterEach
non-parameterized#afterEach
non-parameterized#beforeEach
parameterized#beforeEach
parameter: B
parameterized#afterEach
non-parameterized#afterEach

The suit
    should execute specs in the non-parameterized part

    The parameterized sub-suit (A)
        should execute specs in the parameterized part
        should be parameterizable

    The parameterized sub-suit (B)
        should execute specs in the parameterized part
        should be parameterizable

Finished in 0.022 seconds
5 tests, 5 assertions, 0 failures

Awesome. I implemented the same in javascript.

Thanks for lazy people the javascript traduction

https://gist.github.com/sinsunsan/cb1779b3b83a33fe8446bf27ef7f6149