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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import unittest
import pbtest
from selenium.common.exceptions import TimeoutException
from pbtest import retry_until
class SurrogatesTest(pbtest.PBSeleniumTest):
"""Integration tests to verify surrogate script functionality."""
FIXTURE_URL = (
"https://efforg.github.io/privacybadger-test-fixtures/html/"
"ga_surrogate.html"
)
def load_ga_js_test_page(self, timeout=12):
self.load_url(SurrogatesTest.FIXTURE_URL)
try:
self.wait_for_and_switch_to_frame('iframe', timeout=timeout)
self.wait_for_text('h1', "It worked!", timeout=timeout)
return True
except TimeoutException:
return False
def test_ga_js_surrogate(self):
# clear pre-trained/seed tracker data
self.load_url(self.options_url)
self.js("chrome.extension.getBackgroundPage().badger.storage.clearTrackerData();")
# verify the surrogate is present
self.load_url(self.options_url)
self.assertTrue(self.js(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"return sdb.hostnames.hasOwnProperty('www.google-analytics.com');"
), "Surrogate is missing but should be present.")
# verify site loads
self.assertTrue(
self.load_ga_js_test_page(),
"Page failed to load even before we did anything."
)
# block ga.js (known to break the site)
self.block_domain("www.google-analytics.com")
# back up the surrogate definition before removing it
ga_backup = self.js(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"return JSON.stringify(sdb.hostnames['www.google-analytics.com']);"
)
# now remove the surrogate
self.js(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"delete sdb.hostnames['www.google-analytics.com'];"
)
# wait until this happens
self.wait_for_script(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"return !sdb.hostnames.hasOwnProperty('www.google-analytics.com');",
timeout=5,
message="Timed out waiting for surrogate to get removed."
)
# verify site breaks
self.assertFalse(
self.load_ga_js_test_page(),
"Page loaded successfully when it should have failed."
)
# re-enable surrogate
self.open_window()
self.load_url(self.options_url)
self.js(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"sdb.hostnames['www.google-analytics.com'] = JSON.parse('%s');" % ga_backup
)
# wait until this happens
self.wait_for_script(
"let bg = chrome.extension.getBackgroundPage();"
"const sdb = bg.require('surrogatedb');"
"return sdb.hostnames.hasOwnProperty('www.google-analytics.com');",
timeout=5,
message="Timed out waiting for surrogate to get readded."
)
# verify site loads again
self.assertTrue(
retry_until(self.load_ga_js_test_page),
"Page failed to load after surrogation."
)
if __name__ == "__main__":
unittest.main()
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