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helper.py
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helper.py
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			# This file is part of Invenio.
			# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 CERN.
			#
			# Invenio is free software; you can redistribute it and/or
			# modify it under the terms of the GNU General Public License as
			# published by the Free Software Foundation; either version 2 of the
			# License, or (at your option) any later version.
			#
			# Invenio is distributed in the hope that it will be useful, but
			# WITHOUT ANY WARRANTY; without even the implied warranty of
			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
			# General Public License for more details.
			#
			# You should have received a copy of the GNU General Public License
			# along with Invenio; if not, write to the Free Software Foundation, Inc.,
			# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

			# pylint: disable=E1102

			"""
			Helper functions for building and running test suites.
			"""

			__revision__ = "$Id$"

			CFG_TESTUTILS_VERBOSE = 1

			import os
			import sys
			import time
			import unittest
			import cgi
			import subprocess

			from warnings import warn
			from functools import wraps
			from urlparse import urlsplit, urlunsplit
			from urllib import urlencode
			from itertools import chain, repeat

			try:
			from selenium import webdriver
			from selenium.webdriver.support.ui import WebDriverWait
			except ImportError:
			# web tests will not be available, but unit and regression tests will:
			pass

			from invenio.config import (CFG_SITE_URL,
			CFG_SITE_SECURE_URL,
			CFG_LOGDIR,
			CFG_SITE_NAME_INTL,
			CFG_PYLIBDIR,
			CFG_JSTESTDRIVER_PORT,
			CFG_WEBDIR,
			CFG_PREFIX,
			CFG_BASE_URL)
			from invenio.utils.w3c_validator import (w3c_validate,
			w3c_errors_to_str,
			CFG_TESTS_REQUIRE_HTML_VALIDATION)

			try:
			from nose.tools import nottest
			except ImportError:
			def nottest(f):
			"""Helper decorator to mark a function as not to be tested by nose."""
			f.__test__ = False
			return f

			@nottest
			def warn_user_about_tests(test_suite_type='regression'):
			"""
			Display a standard warning about running tests that might modify
			user data, and wait for user confirmation, unless --yes-i-know
			was specified in the comman line.
			"""

			# Provide a command line option to avoid having to type the
			# confirmation every time during development.
			if '--yes-i-know' in sys.argv:
			return

			if test_suite_type == 'web':
			sys.stderr.write("""\
			**********************************************************************

			A B O U T T H E W E B T E S T S U I T E

			The web test suite will be launched in Firefox. You must have
			the Selenium IDE extension installed to be able to run the web
			test suite. If you do, please check out the results of the web
			test suite in the Selenium IDE window.

			**********************************************************************

			""")

			sys.stderr.write("""\
			**********************************************************************

			I M P O R T A N T W A R N I N G

			The %s test suite needs to be run on a clean demo site
			that you can obtain by doing:

			$ inveniocfg --drop-demo-site \
			--create-demo-site \
			--load-demo-records

			Note that DOING THE ABOVE WILL ERASE YOUR ENTIRE DATABASE.

			In addition, due to the write nature of some of the tests,
			the demo DATABASE will be ALTERED WITH JUNK DATA, so that
			it is recommended to rebuild the demo site anew afterwards.

			**********************************************************************

			Please confirm by typing 'Yes, I know!': """ % test_suite_type)

			answer = raw_input('')
			if answer != 'Yes, I know!':
			sys.stderr.write("Aborted.\n")
			raise SystemExit(0)

			return

			@nottest
			def make_test_suite(*test_cases):
			""" Build up a test suite given separate test cases"""
			return unittest.TestSuite([unittest.makeSuite(case, 'test')
			for case in test_cases])

			@nottest
			def run_test_suite(testsuite, warn_user=False):
			"""
			Convenience function to embed in test suites. Run given testsuite
			and eventually ask for confirmation of warn_user is True.
			"""
			if warn_user:
			warn_user_about_tests()
			res = unittest.TextTestRunner(verbosity=2).run(testsuite)
			return res.wasSuccessful()

			def make_url(path, **kargs):
			""" Helper to generate an absolute invenio URL with query
			arguments"""

			url = CFG_SITE_URL + path

			if kargs:
			url += '?' + urlencode(kargs, doseq=True)

			return url

			def make_surl(path, **kargs):
			""" Helper to generate an absolute invenio Secure URL with query
			arguments"""

			url = CFG_SITE_SECURE_URL + path

			if kargs:
			url += '?' + urlencode(kargs, doseq=True)

			return url

			def make_rurl(path, **kargs):
			""" Helper to generate an relative invenio URL with query
			arguments"""

			url = CFG_BASE_URL + path

			if kargs:
			url += '?' + urlencode(kargs, doseq=True)

			return url

			class InvenioTestUtilsBrowserException(Exception):
			"""Helper exception for the regression test suite browser."""
			pass

			@nottest
			def test_web_page_existence(url):
			"""
			Test whether URL exists and is well accessible.
			Return True or raise exception in case of problems.
			"""
			import mechanize
			browser = mechanize.Browser()
			try:
			browser.open(url)
			except:
			raise
			return True

			def get_authenticated_mechanize_browser(username="guest", password=""):
			"""
			Return an instance of a mechanize browser already authenticated
			to Invenio
			"""
			try:
			import mechanize
			except ImportError:
			raise InvenioTestUtilsBrowserException('ERROR: Cannot import mechanize.')
			browser = mechanize.Browser()
			browser.set_handle_robots(False) # ignore robots.txt, since we test gently
			if username == "guest":
			return browser
			browser.open(CFG_SITE_SECURE_URL + "/youraccount/login")
			browser.select_form(nr=0)
			browser['p_un'] = username
			browser['p_pw'] = password
			browser.submit()
			username_account_page_body = browser.response().read()
			try:
			username_account_page_body.index("You are logged in as %s." % username)
			except ValueError:
			raise InvenioTestUtilsBrowserException('ERROR: Cannot login as %s.' % username)
			return browser

			@nottest
			def test_web_page_content(url,
			username="guest",
			password="",
			expected_text="</html>",
			unexpected_text="",
			expected_link_target=None,
			expected_link_label=None,
			require_validate_p=CFG_TESTS_REQUIRE_HTML_VALIDATION):
			"""Test whether web page URL as seen by user USERNAME contains
			text EXPECTED_TEXT and, eventually, contains a link to
			EXPECTED_LINK_TARGET (if set) labelled EXPECTED_LINK_LABEL (if
			set). The EXPECTED_TEXT is checked via substring matching, the
			EXPECTED_LINK_TARGET and EXPECTED_LINK_LABEL via exact string
			matching.

			EXPECTED_TEXT, EXPECTED_LINK_LABEL and EXPECTED_LINK_TARGET can
			either be strings or list of strings (in order to check multiple
			values inside same page).

			Before doing the tests, login as USERNAME with password
			PASSWORD. E.g. interesting values for USERNAME are "guest" or
			"admin".

			Return empty list in case of no problems, otherwise list of error
			messages that may have been encountered during processing of
			page.
			"""
			try:
			import mechanize
			except ImportError:
			raise InvenioTestUtilsBrowserException('ERROR: Cannot import mechanize.')
			if '--w3c-validate' in sys.argv:
			require_validate_p = True
			sys.stderr.write('Required validation\n')

			error_messages = []
			try:
			browser = get_authenticated_mechanize_browser(username, password)
			browser.open(url)
			url_body = browser.response().read()

			# now test for EXPECTED_TEXT:
			# first normalize expected_text
			if isinstance(expected_text, str):
			expected_texts = [expected_text]
			else:
			expected_texts = expected_text
			# then test
			for cur_expected_text in expected_texts:
			try:
			url_body.index(cur_expected_text)
			except ValueError:
			raise InvenioTestUtilsBrowserException, \
			'ERROR: Page %s (login %s) does not contain %s, but contains %s' % \
			(url, username, cur_expected_text, url_body)

			# now test for UNEXPECTED_TEXT:
			# first normalize unexpected_text
			if isinstance(unexpected_text, str):
			if unexpected_text:
			unexpected_texts = [unexpected_text]
			else:
			unexpected_texts = []
			else:
			unexpected_texts = unexpected_text
			# then test
			for cur_unexpected_text in unexpected_texts:
			try:
			url_body.index(cur_unexpected_text)
			raise InvenioTestUtilsBrowserException, \
			'ERROR: Page %s (login %s) contains %s.' % \
			(url, username, cur_unexpected_text)
			except ValueError:
			pass

			# now test for EXPECTED_LINK_TARGET and EXPECTED_LINK_LABEL:
			if expected_link_target or expected_link_label:
			# first normalize expected_link_target and expected_link_label
			if isinstance(expected_link_target, str) or \
			expected_link_target is None:
			expected_link_targets = [expected_link_target]
			else:
			expected_link_targets = expected_link_target
			if isinstance(expected_link_label, str) or \
			expected_link_label is None:
			expected_link_labels = [expected_link_label]
			else:
			expected_link_labels = expected_link_label
			max_links = max(len(expected_link_targets), len(expected_link_labels))
			expected_link_labels = chain(expected_link_labels, repeat(None))
			expected_link_targets = chain(expected_link_targets, repeat(None))
			# then test
			for dummy in range(0, max_links):
			cur_expected_link_target = expected_link_targets.next()
			cur_expected_link_label = expected_link_labels.next()
			try:
			browser.find_link(url=cur_expected_link_target,
			text=cur_expected_link_label)
			except mechanize.LinkNotFoundError:
			raise InvenioTestUtilsBrowserException, \
			'ERROR: Page %s (login %s) does not contain link to %s entitled %s.' % \
			(url, username, cur_expected_link_target, cur_expected_link_label)

			# now test for validation if required
			if require_validate_p:
			valid_p, errors, warnings = w3c_validate(url_body)
			if not valid_p:
			error_text = 'ERROR: Page %s (login %s) does not validate:\n %s' % \
			(url, username, w3c_errors_to_str(errors, warnings))
			open('%s/w3c-markup-validator.log' % CFG_LOGDIR, 'a').write(error_text)
			raise InvenioTestUtilsBrowserException, error_text


			except mechanize.HTTPError, msg:
			error_messages.append('ERROR: Page %s (login %s) not accessible. %s' % \
			(url, username, msg))
			except InvenioTestUtilsBrowserException, msg:
			error_messages.append('ERROR: Page %s (login %s) led to an error: %s.' % \
			(url, username, msg))

			try:
			# logout after tests:
			browser.open(CFG_SITE_SECURE_URL + "/youraccount/logout")
			browser.response().read()
			browser.close()
			except UnboundLocalError:
			pass

			if CFG_TESTUTILS_VERBOSE >= 9:
			print "%s test_web_page_content(), tested page `%s', login `%s', expected text `%s', errors `%s'." % \
			(time.strftime("%Y-%m-%d %H:%M:%S -->", time.localtime()),
			url, username, expected_text,
			",".join(error_messages))

			return error_messages

			def merge_error_messages(error_messages):
			"""If the ERROR_MESSAGES list is non-empty, merge them and return nicely
			formatted string suitable for printing. Otherwise return empty
			string.
			"""
			out = ""
			if error_messages:
			out = "\n* " + "\n* ".join(error_messages)
			return out

			@nottest
			def build_and_run_unit_test_suite():
			"""
			Detect all Invenio modules with names ending by '*_unit_tests.py', build
			a complete test suite of them, and run it.
			Called by 'inveniocfg --run-unit-tests'.
			"""

			from invenio.pluginutils import PluginContainer
			test_modules_map = PluginContainer(
			os.path.join(CFG_PYLIBDIR, 'invenio', '*_unit_tests.py'),
			lambda plugin_name, plugin_code: getattr(plugin_code, "TEST_SUITE"))
			test_modules = [test_modules_map[name] for name in test_modules_map]

			broken_tests = test_modules_map.get_broken_plugins()

			broken_unit_tests = ['%s (reason: %s)' % (name, broken_tests[name][1]) for name in broken_tests]
			if broken_unit_tests:
			warn("Broken unit tests suites found: %s" % ', '.join(broken_unit_tests))

			complete_suite = unittest.TestSuite(test_modules)
			res = unittest.TextTestRunner(verbosity=2).run(complete_suite)
			return res.wasSuccessful()

			@nottest
			def build_and_run_js_unit_test_suite():
			"""
			Init the JsTestDriver server, detect all Invenio JavaScript files with
			names ending by '*_tests.js' and run them.
			Called by 'inveniocfg --run-js-unit-tests'.
			"""
			def _server_init(server_process):
			"""
			Init JsTestDriver server and check if it succedeed
			"""
			output_success = "Finished action run"
			output_error = "Server failed"
			read_timeout = 30

			start_time = time.time()
			elapsed_time = 0
			while 1:
			stdout_line = server_process.stdout.readline()
			if output_success in stdout_line:
			print '* JsTestDriver server ready\n'
			return True
			elif output_error in stdout_line or elapsed_time > read_timeout:
			print '* ! JsTestDriver server init failed\n'
			print server_process.stdout.read()
			return False
			elapsed_time = time.time() - start_time

			def _find_and_run_js_test_files():
			"""
			Find all JS files installed in Invenio lib directory and run
			them on the JsTestDriver server
			"""
			from invenio.shellutils import run_shell_command
			errors_found = 0
			for candidate in os.listdir(CFG_WEBDIR + "/js"):
			base, ext = os.path.splitext(candidate)

			if ext != '.js' or not base.endswith('_tests'):
			continue

			print "Found test file %s. Running tests... " % (base + ext)
			dummy_current_exitcode, cmd_stdout, dummy_err_msg = run_shell_command(cmd="java -jar %s/JsTestDriver.jar --config %s --tests all" % \
			(CFG_PREFIX + "/lib/java/js-test-driver", CFG_WEBDIR + "/js/" + base + '.conf'))
			print cmd_stdout
			if "Fails: 0" not in cmd_stdout:
			errors_found += 1
			print errors_found
			return errors_found

			print "Going to start JsTestDriver server..."
			server_process = subprocess.Popen(["java", "-jar",
			"%s/JsTestDriver.jar" % (CFG_PREFIX + "/lib/java/js-test-driver"), "--runnerMode", "INFO",
			"--port", "%d" % CFG_JSTESTDRIVER_PORT],
			stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

			try:
			if not _server_init(server_process):
			# There was an error initialising server
			return 1

			print "Now you can capture the browsers where you would " \
			"like to run the tests by opening the following url:\n" \
			"%s:%d/capture \n" % (CFG_SITE_URL, CFG_JSTESTDRIVER_PORT)

			print "Press enter when you are ready to run tests"
			raw_input()

			exitcode = _find_and_run_js_test_files()
			finally:
			server_process.kill()

			return exitcode

			@nottest
			def build_and_run_regression_test_suite():
			"""
			Detect all Invenio modules with names ending by
			'*_regression_tests.py', build a complete test suite of them, and
			run it. Called by 'inveniocfg --run-regression-tests'.
			"""

			from invenio.pluginutils import PluginContainer
			test_modules_map = PluginContainer(
			os.path.join(CFG_PYLIBDIR, 'invenio', '*_regression_tests.py'),
			lambda plugin_name, plugin_code: getattr(plugin_code, "TEST_SUITE"))
			test_modules = test_modules_map.values()

			broken_tests = test_modules_map.get_broken_plugins()

			broken_regression_tests = ['%s (reason: %s)' % (name, broken_tests[name][1]) for name in broken_tests]
			if broken_regression_tests:
			warn("Broken regression tests suites found: %s" % ', '.join(broken_regression_tests))

			warn_user_about_tests()

			complete_suite = unittest.TestSuite(test_modules)
			res = unittest.TextTestRunner(verbosity=2).run(complete_suite)
			return res.wasSuccessful()

			@nottest
			def build_and_run_web_test_suite():
			"""
			Detect all Invenio modules with names ending by
			'*_web_tests.py', build a complete test suite of them, and
			run it. Called by 'inveniocfg --run-web-tests'.
			"""

			from invenio.pluginutils import PluginContainer
			test_modules_map = PluginContainer(
			os.path.join(CFG_PYLIBDIR, 'invenio', '*_web_tests.py'),
			lambda plugin_name, plugin_code: getattr(plugin_code, "TEST_SUITE"))
			test_modules = test_modules_map.values()

			broken_tests = test_modules_map.get_broken_plugins()

			broken_web_tests = ['%s (reason: %s)' % (name, broken_tests[name][1]) for name in broken_tests]
			if broken_web_tests:
			warn("Broken web tests suites found: %s" % ', '.join(broken_web_tests))

			warn_user_about_tests()

			complete_suite = unittest.TestSuite(test_modules)
			res = unittest.TextTestRunner(verbosity=2).run(complete_suite)
			return res.wasSuccessful()


			class InvenioTestCase(unittest.TestCase):
			"Invenio Test Case class."
			pass


			try:
			InvenioTestCase.assertMultiLineEqual
			except AttributeError:
			InvenioTestCase.assertMultiLineEqual = InvenioTestCase.assertEqual


			class InvenioWebTestCase(unittest.TestCase):
			""" Helper library of useful web test functions
			for web tests creation.
			"""

			def setUp(self):
			"""Initialization before tests."""

			## Let's default to English locale
			profile = webdriver.FirefoxProfile()
			profile.set_preference('intl.accept_languages', 'en-us, en')
			profile.update_preferences()

			# the instance of Firefox WebDriver is created
			self.browser = webdriver.Firefox(profile)

			# list of errors
			self.errors = []

			def tearDown(self):
			"""Cleanup actions after tests."""

			self.browser.quit()
			self.assertEqual([], self.errors)

			def find_element_by_name_with_timeout(self, element_name, timeout=30):
			""" Find an element by name. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the
			element will return it in 0 - timeout seconds.
			@param element_name: name of the element to find
			@type element_name: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_name(element_name))
			except:
			raise InvenioWebTestCaseException(element=element_name)

			def find_element_by_link_text_with_timeout(self, element_link_text, timeout=30):
			""" Find an element by link text. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			@param element_link_text: link text of the element to find
			@type element_link_text: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_link_text(element_link_text))
			except:
			raise InvenioWebTestCaseException(element=element_link_text)

			def find_element_by_partial_link_text_with_timeout(self, element_partial_link_text, timeout=30):
			""" Find an element by partial link text. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			@param element_partial_link_text: partial link text of the element to find
			@type element_partial_link_text: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_partial_link_text(element_partial_link_text))
			except:
			raise InvenioWebTestCaseException(element=element_partial_link_text)

			def find_element_by_id_with_timeout(self, element_id, timeout=30, text=""):
			""" Find an element by id. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			If the parameter text is provided, the function waits
			until the element is found and its content is equal to the given text.
			If the element's text is not equal to the given text an exception will be raised
			and the result of this comparison will be stored in the errors list
			#NOTE: Currently this is used to wait for an element's text to be
			refreshed using JavaScript
			@param element_id: id of the element to find
			@type element_id: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			@param text: expected text inside the given element.
			@type text: string
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_id(element_id))
			except:
			raise InvenioWebTestCaseException(element=element_id)

			if text:
			q = self.browser.find_element_by_id(element_id)
			try:
			# if the element's text is not equal to the given text, an exception will be raised
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_id(element_id) and q.text==text)
			except:
			# let's store the result of the comparison in the errors list
			try:
			self.assertEqual(q.text, text)
			except AssertionError, e:
			self.errors.append(str(e))

			def find_element_by_xpath_with_timeout(self, element_xpath, timeout=30):
			""" Find an element by xpath. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			@param element_xpath: xpath of the element to find
			@type element_xpath: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_xpath(element_xpath))
			except:
			raise InvenioWebTestCaseException(element=element_xpath)

			def find_elements_by_class_name_with_timeout(self, elements_class_name, timeout=30):
			""" Find elements by class name. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			@param elements_class_name: class name of the elements to find
			@type elements_class_name: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_elements_by_class_name(elements_class_name))
			except:
			raise InvenioWebTestCaseException(element=elements_class_name)

			def find_element_by_class_name_with_timeout(self, element_class_name, timeout=30):
			""" Find an element by class name. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException or if it finds the element
			will return it in 0 - timeout seconds.
			@param element_class_name: class name of the element to find
			@type element_class_name: string
			@param timeout: time in seconds before throwing an exception
			if the element is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.find_element_by_class_name(element_class_name))
			except:
			raise InvenioWebTestCaseException(element=element_class_name)

			def find_page_source_with_timeout(self, timeout=30):
			""" Find the page source. This waits up to 'timeout' seconds
			before throwing an InvenioWebTestCaseException
			or if the page source is loaded will return it
			in 0 - timeout seconds.
			@param timeout: time in seconds before throwing an exception
			if the page source is not found
			@type timeout: int
			"""

			try:
			WebDriverWait(self.browser, timeout).until(lambda driver: driver.page_source)
			except:
			raise InvenioWebTestCaseException(element="page source")

			def wait_element_displayed_with_timeout(self, element, timeout=30):
			""" Wait until the given element is displayed, or timeout is reached
			@param element: object we want to wait to be displayed
			@type element: selenium.webdriver.remote.webelement.WebElement
			@param timeout: time in seconds before throwing an exception
			if element does not become visible
			@type timeout: int
			"""
			try:
			WebDriverWait(self.browser, timeout).until(lambda x: element.is_displayed())
			except:
			raise InvenioWebTestCaseException(element=element)

			def wait_element_hidden_with_timeout(self, element, timeout=30):
			""" Wait until the given element is hidden, or timeout is reached
			@param element: object we want to wait to be hidden
			@type element: selenium.webdriver.remote.webelement.WebElement
			@param timeout: time in seconds before throwing an exception
			if element does not become hidden
			@type timeout: int
			"""
			try:
			WebDriverWait(self.browser, timeout).until(lambda x: not element.is_displayed())
			except:
			raise InvenioWebTestCaseException(element=element)

			def login(self, username="guest", password="", force_ln='en', go_to_login_page=True):
			""" Login function
			@param username: the username (nickname or email)
			@type username: string
			@param password: the corresponding password
			@type password: string
			@param force_ln: if the arrival page doesn't use the corresponding
			language, then the browser will redirect to it.
			@type force_ln: string
			@param go_to_login_page: if True, look for login link on the
			page. Otherwise expect to be already
			on a page with the login form
			@type go_to_login_page: bool
			"""
			if go_to_login_page:
			if not "You can use your nickname or your email address to login." in self.browser.page_source:
			if "You are no longer recognized by our system" in self.browser.page_source:
			self.find_element_by_link_text_with_timeout("login here")
			self.browser.find_element_by_link_text("login here").click()
			else:
			self.find_element_by_link_text_with_timeout("login")
			self.browser.find_element_by_link_text("login").click()

			self.find_element_by_name_with_timeout("p_un")
			self.browser.find_element_by_name("p_un").clear()
			self.fill_textbox(textbox_name="p_un", text=username)
			self.find_element_by_name_with_timeout("p_pw")
			self.browser.find_element_by_name("p_pw").clear()
			self.fill_textbox(textbox_name="p_pw", text=password)
			self.find_element_by_name_with_timeout("action")
			self.browser.find_element_by_name("action").click()
			if force_ln and CFG_SITE_NAME_INTL[force_ln] not in self.browser.page_source:
			splitted_url = list(urlsplit(self.browser.current_url))
			query = cgi.parse_qs(splitted_url[3])
			query.update({u'ln': unicode(force_ln)})
			splitted_url[3] = urlencode(query)
			new_url = urlunsplit(splitted_url)
			self.browser.get(new_url)

			def logout(self):
			""" Logout function
			"""

			self.find_element_by_link_text_with_timeout("logout")
			self.browser.find_element_by_link_text("logout").click()

			@nottest
			def element_value_test(self, element_name="", element_id="", \
			expected_element_value="", unexpected_element_value="", in_form=True, exact_match=True):
			""" Function to check if the value in the given
			element is the expected (unexpected) value or not
			@param element_name: name of the corresponding element in the form
			@type element_name: string
			@param element_id: id of the corresponding element in the form
			@type element_id: string
			@param expected_element_value: the expected element value
			@type expected_element_value: string
			@param unexpected_element_value: the unexpected element value
			@type unexpected_element_value: string
			@param in_form: depends on this parameter, the value of the given element
			is got in a different way. If it is True, the given element is a textbox
			or a textarea in a form.
			@type in_form: boolean
			"""

			if element_name:
			self.find_element_by_name_with_timeout(element_name)
			q = self.browser.find_element_by_name(element_name)
			elif element_id:
			self.find_element_by_id_with_timeout(element_id)
			q = self.browser.find_element_by_id(element_id)

			if unexpected_element_value:
			try:
			if in_form:
			self.assertNotEqual(q.get_attribute('value'), unexpected_element_value)
			else:
			self.assertNotEqual(q.text, unexpected_element_value)
			except AssertionError, e:
			self.errors.append(str(e))

			if expected_element_value:
			try:
			if in_form:
			if exact_match:
			self.assertEqual(q.get_attribute('value'), expected_element_value)
			else:
			self.assertNotEqual(-1, q.get_attribute('value').find(expected_element_value))
			else:
			if exact_match:
			self.assertEqual(q.text, expected_element_value)
			else:
			self.assertNotEqual(-1, q.text.find(expected_element_value))
			except AssertionError, e:
			self.errors.append(str(e))

			@nottest
			def page_source_test(self, expected_text="", unexpected_text=""):
			""" Function to check if the current page contains
			the expected text (unexpected text) or not.
			The expected text (unexpected text) can also be
			a link.
			The expected text (unexpected text) can be a list of strings
			in order to check multiple values inside same page
			@param expected_text: the expected text
			@type expected_text: string or list of strings
			@param unexpected_text: the unexpected text
			@type unexpected_text: string or list of strings
			"""

			self.find_page_source_with_timeout()
			if unexpected_text:
			if isinstance(unexpected_text, str):
			unexpected_texts = [unexpected_text]
			else:
			unexpected_texts = unexpected_text

			for unexpected_text in unexpected_texts:
			try:
			self.assertEqual(-1, self.browser.page_source.find(unexpected_text))
			except AssertionError, e:
			self.errors.append(str(e))

			if expected_text:
			if isinstance(expected_text, str):
			expected_texts = [expected_text]
			else:
			expected_texts = expected_text

			for expected_text in expected_texts:
			try:
			self.assertNotEqual(-1, self.browser.page_source.find(expected_text))
			except AssertionError, e:
			self.errors.append(str(e))

			def choose_selectbox_option_by_label(self, selectbox_name="", selectbox_id="", label=""):
			""" Select the option at the given label in
			the corresponding select box
			@param selectbox_name: the name of the corresponding
			select box in the form
			@type selectbox_name: string
			@param selectbox_id: the id of the corresponding
			select box in the form
			@type selectbox_id: string
			@param label: the option at this label will be selected
			@type label: string
			"""

			if selectbox_name:
			self.find_element_by_name_with_timeout(selectbox_name)
			selectbox = self.browser.find_element_by_name(selectbox_name)
			elif selectbox_id:
			self.find_element_by_id_with_timeout(selectbox_id)
			selectbox = self.browser.find_element_by_id(selectbox_id)

			options = selectbox.find_elements_by_tag_name("option")
			for option in options:
			if option.text == label:
			option.click()
			break

			def choose_selectbox_option_by_index(self, selectbox_name="", selectbox_id="", index=""):
			""" Select the option at the given index in
			the corresponding select box
			@param selectbox_name: the name of the corresponding
			select box in the form
			@type selectbox_name: string
			@param selectbox_id: the id of the corresponding
			select box in the form
			@type selectbox_id: string
			@param index: the option at this index will be selected
			@type index: int
			"""

			if selectbox_name:
			self.find_element_by_name_with_timeout(selectbox_name)
			selectbox = self.browser.find_element_by_name(selectbox_name)
			elif selectbox_id:
			self.find_element_by_id_with_timeout(selectbox_id)
			selectbox = self.browser.find_element_by_id(selectbox_id)

			options = selectbox.find_elements_by_tag_name("option")
			options[int(index)].click()

			def choose_selectbox_option_by_value(self, selectbox_name="", selectbox_id="", value=""):
			""" Select the option at the given value in
			the corresponding select box
			@param selectbox_name: the name of the corresponding
			select box in the form
			@type selectbox_id: string
			@param selectbox_id: the id of the corresponding
			select box in the form
			@type selectbox_id: string
			@param value: the option at this value will be selected
			@type value: string
			"""

			if selectbox_name:
			self.find_element_by_name_with_timeout(selectbox_name)
			selectbox = self.browser.find_element_by_name(selectbox_name)
			elif selectbox_id:
			self.find_element_by_id_with_timeout(selectbox_id)
			selectbox = self.browser.find_element_by_id(selectbox_id)

			options = selectbox.find_elements_by_tag_name("option")
			for option in options:
			if option.get_attribute('value') == value:
			option.click()
			break

			def fill_textbox(self, textbox_name="", textbox_id="", text=""):
			""" Fill in the input textbox or textarea with the given text
			@param textbox_name: the name of the corresponding textbox
			or text area in the form
			@type textbox_name: string
			@param textbox_id: the id of the corresponding textbox
			or text area in the form
			@type textbox_id: string
			@param text: the information that the user wants to send
			@type text: string
			"""

			if textbox_name:
			self.find_element_by_name_with_timeout(textbox_name)
			textbox = self.browser.find_element_by_name(textbox_name)
			elif textbox_id:
			self.find_element_by_id_with_timeout(textbox_id)
			textbox = self.browser.find_element_by_id(textbox_id)

			textbox.send_keys(text)

			def handle_popup_dialog(self):
			""" Access the alert after triggering an action
			that opens a popup. """

			try:
			alert = self.browser.switch_to_alert()
			alert.accept()
			except:
			pass


			class InvenioWebTestCaseException(Exception):
			"""This exception is thrown if the element
			we are looking for is not found after a set time period.
			The element is not found because the page needs more
			time to be fully loaded. To avoid this exception,
			we should increment the time period for that element in
			the corresponding function. See also:
			find_element_by_name_with_timeout()
			find_element_by_link_text_with_timeout()
			find_element_by_partial_link_text_with_timeout()
			find_element_by_id_with_timeout()
			find_element_by_xpath_with_timeout()
			find_element_by_class_name_with_timeout()
			find_elements_by_class_name_with_timeout()
			find_page_source_with_timeout()
			"""

			def __init__(self, element):
			"""Initialisation."""
			self.element = element
			self.message = "Time for finding the element '%s' has expired" % self.element

			def __str__(self):
			"""String representation."""
			return repr(self.message)


			def failfast(method):
			@wraps(method)
			def inner(self, args, *kw):
			self.stop()
			return method(self, args, *kw)
			return inner


			def wrap_failfast():
			"""Makes it so unit tests will fail at the first error"""
			unittest.TestResult.addError = failfast(unittest.TestResult.addError)
			unittest.TestResult.addFailure = failfast(unittest.TestResult.addFailure)
			unittest.TestResult.addUnexpectedSuccess = failfast(unittest.TestResult.addUnexpectedSuccess)

R3600/invenio/testsuite/helper.py1b240debac5dmaint-2.1

helper.pyView Options

R3600/invenio/testsuite/helper.py
1b240debac5dmaint-2.1

helper.py
View Options