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Vows-bdd

Testing with Vows is wonderful. Async-style, full-stack integration tests with vows is not wonderful. Vows-bdd aims to make long Vows integration tests more readable with a given-when-then, fluent syntax.

If you're interested in a more generalied fluent interface for Vows, checkout prenup.

Examples

Here's a slightly-contrived example of a Vows integration test(written in CoffeeScript):

vows.describe("Creating a User")
  .addBatch
    "To create a user":

      "Given the server has started":
        topic:
          server.ready, @callback

        "and the DB is populated":
          topic:
            setupFixtures @callback

          "and another setup function is required":
            topic: ->
              anotherSetup @callback

            "When visiting the form at /user/new":
              topic: ->
                ctx = this
                server.ready ->
                  zombie.visit "http://localhost:#{port}/user/new", ctx.callback
                return

              "then should allow entry of a username": (err,browser,status) ->
                assert.ok browser.querySelector ":input[name=username]"

              "should allow entry of first and last name": (err,b,s) ->
                assert.ok b.querySelector ":input[name=firstName]"
                assert.ok b.querySelector ":input[name=lastName]"

              "should allow entry of a password": (err,b,s) ->
                assert.ok b.querySelector ":input[name=password]"

              "should allow confirmation of a password": (err,b,s) ->
                assert.ok b.querySelector ":input[name=passwordConfirm]"

              "and submitting the form":
                topic: (browser,status) ->
                  browser.fill("username", "test")
                         .fill("firstName", "Justin")
                         .fill("lastName", "Reidy")
                         .fill("password", "foobar")
                         .fill("password", "foobar")
                         .pressButton "Sign Up!", @callback

                "should create a new User": (err,browser,status) ->
                  assert.ok findNewUser()

        .export module

Here's the same integration test, with vows-bdd:

Feature("Creating a User")
  .scenario("Create a User via Form")

  .given "the server is running", ->
    server.ready @callback

  .and "the DB is popuplated", ->
    setupFixtures @callback

  .and "another setup function is called", ->
    anotherSetup @callback

  .when "I visit the form at user/new", ->
    zombie.visit "http://localhost:#{port}/user/new", @callback

  .then "I should see a username field", (err,browser,status) ->
    assert.ok browser.querySelector ":input[name=username]"

  .and "I should see entries for first and last name", (err,browser,status) ->
    assert.ok browser.querySelector ":input[name=firstName]"
    assert.ok browser.querySelector ":input[name=lastName]"

  .and "I should see a password entry", (err,browser,status) ->
    assert.ok browser.querySelector, ":input[name=password]"

  .and "I should see a password confirmation", (err,browser,status) ->
    assert.ok browser.querySelector, ":input[name=passwordConfirm]"

  .when "I submit the form", (browser,status) ->
    browser.fill("username", "test")
           .fill("firstName", "Justin")
           .fill("lastName", "Reidy")
           .fill("password", "foobar")
           .fill("password", "foobar")
           .pressButton "Sign Up!", @callback

  .then "a new User should be created", (err,browser,status) ->
    assert.ok findNewUser()

  .complete()
  .finish(module)

API

Check out the docco docs.

AUTHORS

Justin Reidy: Github / Twitter

LICENSE

(The MIT License)

Copyright (c) 2011 Razor Sharp Design <jmreidy@rzrsharp.net>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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A BDD wrapper for Vows, allowing for easy writing of tests in a given-when-then format

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