#!/usr/bin/env python3
"""
Tests for the wallet. It looks for an env variable called TALER_BASEURL
where it appends "/banks" etc. in order to find bank and shops. If not
found, it defaults to https://test.taler.net/
"""
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait, Select
from selenium.common.exceptions import NoSuchElementException, TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
from urllib import parse
import argparse
import time
import logging
import sys
import os
import re
import json
logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
logger = logging.getLogger(__name__)
taler_baseurl = os.environ.get('TALER_BASEURL', 'https://test.taler.net/')
def client_setup(args):
"""Return a dict containing the driver and the extension's id"""
co = webdriver.ChromeOptions()
if args.ext:
co.add_extension(args.ext)
elif args.extdir:
co.add_argument("load-extension=%s" % args.extdir)
else:
logger.error("Provide one between '--ext' and '--ext-unpacked'")
sys.exit(1)
cap = co.to_capabilities()
cap['loggingPrefs'] = {'driver': 'INFO', 'browser': 'INFO'}
if args.remote:
client = webdriver.Remote(desired_capabilities=cap, command_executor=args.remote)
else:
client = webdriver.Chrome(desired_capabilities=cap)
client.get('https://taler.net')
listener = """\
document.addEventListener('taler-id', function(evt){
var html = document.getElementsByTagName('html')[0];
html.setAttribute('data-taler-wallet-id', evt.detail.id);
});
var evt = new CustomEvent('taler-query-id');
document.dispatchEvent(evt);
"""
client.execute_script(listener)
html = client.find_element(By.TAG_NAME, "html")
return {'client': client, 'ext_id': html.get_attribute('data-taler-wallet-id')}
def is_error(client):
"""Return True in case of errors in the browser, False otherwise"""
for log_type in ['browser']:
for log in client.get_log(log_type):
if log['level'] is 'error':
print(log['level'] + ': ' + log['message'])
return True
return False
def switch_base():
"""If 'test' is in TALER_BASEURL, then make it be 'demo', and viceversa.
Used to trig currency mismatch errors. It assumes that the https://{test,demo}.taler.net
layout is being used"""
global taler_baseurl
url = parse.urlparse(taler_baseurl)
if url[1] == 'test.taler.net':
taler_baseurl = "https://demo.taler.net"
if url[1] == 'demo.taler.net':
taler_baseurl = "https://test.taler.net"
def make_donation(client, amount_menuentry=None):
"""Make donation at shop.test.taler.net. Assume the wallet has coins"""
client.get(parse.urljoin(taler_baseurl, "shop"))
try:
form = client.find_element(By.TAG_NAME, "form")
except NoSuchElementException:
logger.error('No donation form found')
sys.exit(1)
if amount_menuentry:
xpath_menu = '//select[@id="taler-donation"]'
try:
dropdown = client.find_element(By.XPATH, xpath_menu)
for option in dropdown.find_elements_by_tag_name("option"):
# Tried option.text, did not work.
if option.get_attribute("innerHTML") == amount_menuentry:
option = WebDriverWait(client, 10).until(EC.visibility_of(option))
logger.info("Picked donation %s" % option.text)
option.click()
break
except NoSuchElementException:
logger.error("value '" + str(amount_value) + "' is not offered by this shop to donate, please adapt it")
sys.exit(1)
form.submit() # amount and receiver chosen
wait = WebDriverWait(client, 10)
try:
confirm_taler = wait.until(EC.element_to_be_clickable((By.XPATH, "//form//input[@type='button']")))
logger.info("confirm_taler: %s" % confirm_taler.get_attribute("outerHTML"))
except NoSuchElementException:
logger.error('Could not trigger contract on donation shop')
sys.exit(1)
confirm_taler.click() # Taler as payment option chosen
# explicit get() is needed, it hangs (sometimes) otherwise
time.sleep(3) #FIXME use better way to 'Ok' Taler at checkout page
client.get(client.current_url)
try:
confirm_pay = wait.until(EC.element_to_be_clickable((By.XPATH, "//button[@class='accept']")))
except TimeoutException:
logger.error('Could not confirm payment on donation shop')
sys.exit(1)
confirm_pay.click()
def buy_article(client):
"""Buy article at blog.test.taler.net. Assume the wallet has coins"""
client.get(parse.urljoin(taler_baseurl, "blog"))
wait = WebDriverWait(client, 10)
try:
further_teaser = wait.until(EC.element_to_be_clickable((By.XPATH, '//h3[a[starts-with(@href, "/essay")]][4]')))
teaser = wait.until(EC.element_to_be_clickable((By.XPATH, '//h3/a[@href="/essay/Foreword"]')))
# NOTE: we need to scroll the browser a few inches deeper respect
# to the element which is to be clicked, otherwise we hit the lang
# bar at the bottom..
# Unfortunately, just retrieving the element to click and click it
# did NOT work.
actions = ActionChains(client)
actions.move_to_element(further_teaser)
actions.move_to_element(teaser)
actions.click(teaser)
actions.perform()
except (NoSuchElementException, TimeoutException):
logger.error('Could not choose "Foreword" chapter on blog')
sys.exit(1)
# explicit get() is needed, it hangs (sometimes) otherwise
time.sleep(1)
try:
confirm_pay = wait.until(EC.element_to_be_clickable((By.XPATH, "//button[@class='accept']")))
except TimeoutException:
logger.error('Could not confirm payment on blog')
sys.exit(1)
confirm_pay.click()
# check here for good elements
try:
client.find_element(By.XPATH, "//h1[@class='book-title']")
except NoSuchElementException:
logger.error("Article not correctly bought")
sys.exit(1)
def register(client):
"""Register a new user to the bank delaying its execution until the
profile page is shown"""
client.get(parse.urljoin(taler_baseurl, "bank"))
try:
register_link = client.find_element(By.XPATH, "//a[@href='/accounts/register/']")
except NoSuchElementException:
logger.error("Could not find register link on bank's homepage")
sys.exit(1)
register_link.click()
try:
client.find_element(By.TAG_NAME, "form")
except NoSuchElementException:
logger.error("Register form not found")
sys.exit(1)
register = """\
var form = document.getElementsByTagName('form')[0];
form.username.value = '%s';
form.password.value = 'test';
form.submit();
""" % str(int(time.time())) # need fresh username
client.execute_script(register)
# need implicit wait to be set up
try:
button = client.find_element(By.ID, "select-exchange")
except NoSuchElementException:
logger.error("Selecting exchange impossible")
sys.exit(1)
# when button is gotten, the browser is in the profile page
# so the function can return
if not is_error(client):
logger.info('correctly registered at bank')
else:
logger.error('User not registered at bank')
def withdraw(client, amount_menuentry=None):
"""Register and withdraw (1) KUDOS for a fresh user"""
register(client)
# trigger withdrawal button
try:
button = client.find_element(By.ID, "select-exchange")
except NoSuchElementException:
logger.error("Selecting exchange impossible")
sys.exit(1)
if amount_menuentry:
xpath_menu = '//select[@id="reserve-amount"]'
try:
# Tried the more suitable select_by_visible_text(),
# did not work.
dropdown = client.find_element(By.XPATH, xpath_menu)
for option in dropdown.find_elements_by_tag_name("option"):
# Tried option.text, did not work.
if option.get_attribute("innerHTML") == amount_menuentry:
option = WebDriverWait(client, 10).until(EC.visibility_of(option))
option.click()
break
except NoSuchElementException:
logger.error("value '" + str(amount_value) + "' is not offered by this bank to withdraw, please adapt it")
sys.exit(1)
button.click()
location = client.execute_script("return document.location.href")
client.get(location)
# Confirm xchg
wait = WebDriverWait(client, 10)
try:
button = wait.until(EC.element_to_be_clickable((By.XPATH, "//button[1]")))
except TimeoutException:
logger.error("Could not confirm exchange (therefore provide withdrawal needed data)")
sys.exit(1)
# This click returns the captcha page (put wait?)
button.click()
try:
answer = client.find_element(By.XPATH, "//input[@name='pin_0']")
question = client.find_element(By.XPATH, "//span[@class='captcha-question']/div")
except NoSuchElementException:
logger.error("Captcha page not gotten or malformed")
sys.exit(1)
questionTok = question.text.split()
op1 = int(questionTok[2])
op2 = int(questionTok[4])
res = {'+': op1 + op2, '-': op1 - op2, u'\u00d7': op1 * op2}
answer.send_keys(res[questionTok[3]])
try:
form = client.find_element(By.TAG_NAME, "form")
except NoSuchElementException:
logger.error("Could not submit captcha answer (therefore trigger withdrawal)")
sys.exit(1)
form.submit()
# check outcome
try:
client.find_element(By.CLASS_NAME, "informational-ok")
except NoSuchElementException:
logger.error("Withdrawal not completed")
sys.exit(1)
logger.info("Withdrawal completed")
parser = argparse.ArgumentParser()
parser.add_argument('--ext', help="packed extension (.crx file)", metavar="CRX", type=str, dest="ext")
parser.add_argument('--ext-unpacked', help="loads unpacked extension from directory", metavar="EXTDIR", type=str, dest="extdir")
parser.add_argument('--remote', help="Whether the test is to be run against URI, or locally", metavar="URI", type=str, dest="remote")
args = parser.parse_args()
logger.info("testing against " + taler_baseurl)
logger.info("Getting extension's ID..")
ret = client_setup(args)
logger.info("Creating the browser driver..")
client = ret['client']
client.implicitly_wait(10)
logger.info("Withdrawing..")
withdraw(client, "10.00 PUDOS")
# switch_base() # inducing error
logger.info("Making donations..")
# FIXME: wait for coins via a more suitable way
time.sleep(3)
make_donation(client, "1.0 PUDOS")
logger.info("Buying article..")
buy_article(client)
logger.info("Test passed")
client.close()
sys.exit(0)