#!/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 pyvirtualdisplay import Display
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/')
display = Display(visible=0, size=(1024, 768))
class TestContext():
def __init__(self, client):
self.client = client
self.wait = WebDriverWait(client, 20)
def kill_display():
if hasattr(display, "old_display_var"):
display.stop()
# All the operations we need upon errors.
def abort(client):
client.quit()
kill_display()
sys.exit(1)
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 not args.withhead:
display.start()
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-query-id-result', 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")
ext_id = html.get_attribute('data-taler-wallet-id')
logger.info("Extension ID: %s" % str(ext_id))
return {'client': client, 'ext_id': ext_id}
def print_log(client):
print("--- Dumping browser log: ---")
for log in client.get_log("browser"):
print(log['level'] + ': ' + log['message'])
print("--- End of browser log ---")
def make_donation(ctx, amount_menuentry):
"""Make donation at donations.test.taler.net. Assume
the wallet has coins. Just donate to the default receiver"""
ctx.client.get(parse.urljoin(taler_baseurl, "donations"))
try:
form = ctx.wait.until(EC.visibility_of_element_located((By.TAG_NAME,
"form")))
except (NoSuchElementException, TimeoutException):
logger.error('No donation form found')
return False
xpath_menu = '//select[@id="taler-donation"]'
try:
dropdown = ctx.client.find_element(By.XPATH, xpath_menu)
for option in dropdown.find_elements_by_tag_name("option"):
if option.get_attribute("innerHTML") == amount_menuentry:
option = ctx.wait.until(EC.visibility_of(option))
option.click()
break
except (NoSuchElementException, TimeoutException):
logger.error("amount '" + str(amount_value) + "\
' is not offered by this shop to donate")
return False
form.submit()
try:
confirm_taler = ctx.wait.until(EC.element_to_be_clickable((By.ID,
"select-payment-method")))
except (NoSuchElementException, TimeoutException):
logger.error('Could not trigger contract on donation shop')
return False
confirm_taler.click()
try:
confirm_pay = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//button[@class='pure-button button-success']")))
except (NoSuchElementException, TimeoutException):
logger.error('Could not confirm payment on donation shop')
return False
confirm_pay.click()
return True
# Check if the current page is displaying the article
# whose title is 'title'.
def check_article(ctx, title):
try:
ctx.wait.until(EC.visibility_of_element_located((By.XPATH,
"//h1[contains(., '%s')]" % title.replace("_", " "))))
except (NoSuchElementException, TimeoutException):
logger.error("Article '%s' not shown on this (%s) page\
" % (title, ctx.client.current_url))
return False
return True
def buy_article(ctx, title, fulfillment_url=None):
"""Buy article at shop.test.taler.net. Assume the wallet
has coins. Return False if some error occurs, the fulfillment
URL otherwise"""
if fulfillment_url:
ctx.client.get(fulfillment_url)
if check_article(ctx, title):
return fulfillment_url
return False
ctx.client.get(parse.urljoin(taler_baseurl, "shop"))
try:
teaser = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//h3/a[@href=\"/essay/%s\"]" % title)))
ctx.client.execute_script("window.scrollBy(30, %s)" % teaser.location['y'])
teaser.click()
except (NoSuchElementException, TimeoutException) as e:
logger.error("Could not choose chapter '%s'" % title)
return False
time.sleep(1)
try:
confirm_pay = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//button[@class='pure-button button-success']")))
except (NoSuchElementException, TimeoutException):
logger.error('Could not confirm contract on blog (timed out)')
return False
confirm_pay.click()
time.sleep(3)
if not check_article(ctx, title):
return False
return ctx.client.current_url
def register(ctx):
"""Register a new user to the bank delaying its execution
until the profile page is shown"""
ctx.client.get(parse.urljoin(taler_baseurl, "bank"))
try:
register_link = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//a[@href='/accounts/register/']")))
except (NoSuchElementException, TimeoutException):
logger.error("Could not find register link on bank's homepage")
return False
register_link.click()
try:
ctx.wait.until(EC.visibility_of_element_located((By.TAG_NAME, "form")))
except (NoSuchElementException, TimeoutException):
logger.error("Register form not found")
return False
register = """\
var form = document.getElementsByTagName('form')[0];
form.username.value = '%s';
form.password.value = 'test';
form.submit();
""" % str(int(time.time()))
ctx.client.execute_script(register)
try:
ctx.wait.until(EC.element_to_be_clickable((By.ID,
"select-exchange")))
except (NoSuchElementException, TimeoutException):
logger.error("Selecting exchange impossible")
return False
return True
def withdraw(ctx, amount_menuentry):
"""Register and withdraw (1) KUDOS for a fresh user"""
# trigger withdrawal button
try:
button = ctx.wait.until(EC.element_to_be_clickable((By.ID,
"select-exchange")))
except (NoSuchElementException, TimeoutException):
logger.error("Selecting exchange impossible")
return False
xpath_menu = '//select[@id="reserve-amount"]'
try:
# No need to wait: if 'button' above exists, then
# menu elements do.
dropdown = ctx.client.find_element(By.XPATH, xpath_menu)
for option in dropdown.find_elements_by_tag_name("option"):
if option.get_attribute("innerHTML") == amount_menuentry:
option = ctx.wait.until(EC.visibility_of(option))
option.click()
break
except (NoSuchElementException, TimeoutException):
logger.error("amount '" + str(amount_value) + "' \
is not offered by this bank to withdraw")
return False
button.click()
# Confirm exchange (in-wallet page)
try:
accept_exchange = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//button[@class='pure-button button-success']")))
except (NoSuchElementException, TimeoutException):
logger.error("Could not confirm exchange")
return False
accept_exchange.click()
try:
answer = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//input[@name='pin_0']")))
question = ctx.wait.until(EC.element_to_be_clickable((By.XPATH,
"//span[@class='captcha-question']/div")))
except (NoSuchElementException, TimeoutException):
logger.error("Captcha page unavailable or malformed")
return False
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:
# No need to wait, if CAPTCHA elements exists
# then submitting button has to.
form = ctx.client.find_element(By.TAG_NAME, "form")
except (NoSuchElementException, TimeoutException):
logger.error("Could not submit captcha answer")
return False
form.submit()
# check outcome
try:
ctx.wait.until(EC.presence_of_element_located((By.CLASS_NAME,
"informational-ok")))
except (NoSuchElementException, TimeoutException):
logger.error("Withdrawal not completed")
return False
return True
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")
parser.add_argument('--with-head',
help="Graphically shows the browser (useful to debug)",
action="store_true", dest="withhead")
args = parser.parse_args()
ctx = TestContext(client_setup(args)['client'])
if not register(ctx):
print_log(ctx.client)
abort(ctx.client)
if not withdraw(ctx, "10.00 TESTKUDOS"):
print_log(ctx.client)
abort(ctx.client)
fulfillment_url_25 = buy_article(ctx,
"25._The_Danger_of_Software_Patents")
if not fulfillment_url_25:
print_log(ctx.client)
abort(ctx.client)
ctx.client.delete_all_cookies()
if not buy_article(ctx, "25._The_Danger_of_Software_Patents",
fulfillment_url_25):
print_log(ctx.client)
logger.error("Could not replay payment")
abort(ctx.client)
if not make_donation(ctx, "1.0 TESTKUDOS"):
print_log(ctx.client)
abort(ctx.client)
ctx.client.quit()
kill_display()
sys.exit(0)