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A BDD tool for writing specifications using Given-When-Then template
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README.rst

A BDD tool for writing specifications using Given-When-Then template

The goal of pyhistorian is to write an internal Given-When-Then template using Python. The ideas came from JBehave, RBehave, Cucumber and others.

It's possible to write your stories in English and Portuguese, choose your preferred.

A good example of use [en-us, by default] follows (call this file calculator.py):

from should_dsl import *
from pyhistorian import *

class Calculator(object):
    def sum(self, n1, n2):
        return n1+n2


class SpecifyingMyNewCalculator(Story):
    """As a lazy mathematician
       I want to use a calculator
       So that I don't waste my time thinking"""
    colored = True
    template_color = 'yellow'
    scenarios = ['SumScenario'] # optional


class SumScenario(Scenario):
    @Given('I have a calculator')
    def set_my_calculator(self):
        self.calculator = Calculator()

    @When('I enter with 1 + 1')
    def sum_one_to_one(self):
        self.result = self.calculator.sum(1, 1)

    @Then('I have $value as result', 2)
    def get_result(self, value):
        self.result |should_be| value


if __name__ == '__main__':
    SpecifyingMyNewCalculator.run()

Running:

$ python calculator.py
Story: Specifying my new calculator
As a lazy mathematician
I want to use a calculator
So that I don't waste my time thinking

Scenario 1: Sum of 1 and 1
  Given I have a calculator   ... OK
  When I enter with 1 + 1   ... OK
  Then I have 2 as result   ... OK

Ran 1 scenarios with 0 failures, 0 errors and 0 pending steps

pyhistorian is at github.com

Due to DVCS I moved pyhistorian from Google Gode to github.com.

You can get it at here:

http://github.com/hugobr/pyhistorian

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