1 files changed, 246 insertions, 0 deletions
diff --git a/selenium/test.py b/selenium/test.py
new file mode 100644
index 000000000..ad5146a92
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+++ b/selenium/test.py
@@ -0,0 +1,246 @@
+#!/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
+from selenium.common.exceptions import NoSuchElementException, TimeoutException
+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()
+    co.add_extension(args.ext)
+    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_value=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_value:
+        xpath = "//select[@id='taler-donation']/option[@value='" + str(amount_value) + "']"
+        try:
+            desired_amount = client.find_element(By.XPATH, xpath)
+            desired_amount.click()
+        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
+    try:
+        confirm_taler = client.find_element(By.XPATH, "//form//input[@type='button']")
+    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(1)
+    client.get(client.current_url)
+    wait = WebDriverWait(client, 10)
+    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"))
+    try:
+        teaser = client.find_element(By.XPATH, "//ul/h3/a[1]") # Pick 'Foreword' chapter
+    except NoSuchElementException:
+        logger.error('Could not choose "Foreword" chapter on blog')
+        sys.exit(1)
+    teaser.click()
+    # explicit get() is needed, it hangs (sometimes) otherwise
+    time.sleep(1)
+    client.get(client.current_url)
+    wait = WebDriverWait(client, 10)
+    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_value=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_value:
+        xpath = "//select/option[@value='" + str(amount_value) + "']"
+        try:
+            desired_amount = client.find_element(By.XPATH, xpath)
+            desired_amount.click()
+        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", required=True)
+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)
+# switch_base() # inducing error
+logger.info("Making donations..")
+make_donation(client, 6.0)
+logger.info("Buying article..")
+buy_article(client)
+logger.info("Test passed")
+client.close()
+sys.exit(0)