Lettuce step example

# -*- coding: utf-8 -*-
from lettuce import *
from splinter import Browser


@before.each_feature
def set_browser(feature):
    world.browser = Browser('firefox')


@step(u'I go to the "(.*)"')
def when_i_go_to_the_url(step, url):
    world.response = world.browser.visit(url)


@step(u'I click in button with id "([^"]*)"')
def i_click_in_button_with_value(step, button):
    world.browser.find_by_id(button).first.click()


@step(u'I see that page contains "([^"]*)"')
def i_see_that_page_contains_in(step, text):
    if not world.browser.is_text_present(text):
        raise Exception("%s was not found in this page ;(" % text)