Python-cefpython/unittests/_common.py at cefpython66 · caooliver/Python-cefpython · GitHub

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# Project website: https://github.com/cztomczak/cefpython

from cefpython3 import cefpython as cef

import base64

import os

import platform

import sys

import time

# Platforms

SYSTEM = platform.system().upper()

if SYSTEM == "DARWIN":

SYSTEM = "MAC"

WINDOWS = SYSTEM if SYSTEM == "WINDOWS" else False

LINUX = SYSTEM if SYSTEM == "LINUX" else False

MAC = SYSTEM if SYSTEM == "MAC" else False

# To show the window for an extended period of time increase this number.

MESSAGE_LOOP_RANGE = 200 # each iteration is 0.01 sec

MAIN_BROWSER_ID = 1

POPUP_BROWSER_ID = 2

g_subtests_ran = 0

g_js_code_completed = False

g_on_load_end_callbacks = []

def subtest_message(message):

global g_subtests_ran

g_subtests_ran += 1

print(str(g_subtests_ran) + ". " + message)

sys.stdout.flush()

def show_test_summary(pyfile):

print("\nRan " + str(g_subtests_ran) + " sub-tests in "

+ os.path.basename(pyfile))

def run_message_loop():

# Run message loop for some time.

# noinspection PyTypeChecker

for i in range(MESSAGE_LOOP_RANGE):

cef.MessageLoopWork()

time.sleep(0.01)

subtest_message("cef.MessageLoopWork() ok")

def do_message_loop_work(work_loops):

# noinspection PyTypeChecker

for i in range(work_loops):

cef.MessageLoopWork()

time.sleep(0.01)

def on_load_end(callback, *args):

global g_on_load_end_callbacks

g_on_load_end_callbacks.append([callback, args])

def js_code_completed():

"""Sometimes window.onload can execute before javascript bindings

are ready if the document loads very fast. When setting javascript

bindings it can take some time, because these bindings are sent

via IPC messaging to the Renderer process."""

global g_js_code_completed

assert not g_js_code_completed

g_js_code_completed = True

subtest_message("js_code_completed() ok")

def check_auto_asserts(test_case, objects):

# Check if js code completed

test_case.assertTrue(g_js_code_completed)

# Automatic check of asserts in handlers and in external

for obj in objects:

test_for_True = False # Test whether asserts are working correctly

for key, value in obj.__dict__.items():

if key == "test_for_True":

test_for_True = True

continue

if "_True" in key:

test_case.assertTrue(value, "Check assert: " +

obj.__class__.__name__ + "." + key)

subtest_message(obj.__class__.__name__ + "." +

key.replace("_True", "") +

" ok")

elif "_False" in key:

test_case.assertFalse(value, "Check assert: " +

obj.__class__.__name__ + "." + key)

subtest_message(obj.__class__.__name__ + "." +

key.replace("_False", "") +

" ok")

test_case.assertTrue(test_for_True)

class DisplayHandler(object):

def __init__(self, test_case):

self.test_case = test_case

# Asserts for True/False will be checked just before shutdown

self.test_for_True = True # Test whether asserts are working correctly

self.javascript_errors_False = False

self.OnConsoleMessage_True = False

def OnConsoleMessage(self, message, **_):

if "error" in message.lower() or "uncaught" in message.lower():

self.javascript_errors_False = True

raise Exception("Javascript error: " + message)

else:

# Check whether messages from javascript are coming

self.OnConsoleMessage_True = True

subtest_message(message)

def close_popup(global_handler, browser):

browser.CloseBrowser()

global_handler.PopupClosed_True = True

# Test developer tools popup

main_browser = cef.GetBrowserByIdentifier(MAIN_BROWSER_ID)

main_browser.ShowDevTools()

cef.PostDelayedTask(cef.TID_UI, 1500, close_devtools, global_handler)

cef.PostDelayedTask(cef.TID_UI, 500, main_browser.SetFocus, True)

def close_devtools(global_handler):

main_browser = cef.GetBrowserByIdentifier(MAIN_BROWSER_ID)

global_handler.HasDevTools_True = main_browser.HasDevTools()

main_browser.CloseDevTools()

subtest_message("DevTools popup ok")

class GlobalHandler(object):

def __init__(self, test_case):

self.test_case = test_case

# Asserts for True/False will be checked just before shutdown

self.test_for_True = True # Test whether asserts are working correctly

self.OnAfterCreatedMain_True = False

if "main_test" in test_case.id():

self.OnAfterCreatedPopup_True = False

self.PopupClosed_True = False

self.HasDevTools_True = False

def _OnAfterCreated(self, browser, **_):

# For asserts that are checked automatically before shutdown its

# values should be set first, so that when other asserts fail

# (the ones called through the test_case member) they are reported

# correctly.

if not self.OnAfterCreatedMain_True:

# First call for main browser.

# browser.GetUrl() returns empty at this moment.

self.OnAfterCreatedMain_True = True

self.test_case.assertEqual(browser.GetIdentifier(),

MAIN_BROWSER_ID)

self.test_case.assertFalse(browser.IsPopup())

else:

# Second call for implicit popup browser opened via js.

# Should execute only for main test.

# Should not execute for DevTools window.

assert "main_test" in self.test_case.id()

assert not self.OnAfterCreatedPopup_True

self.OnAfterCreatedPopup_True = True

self.test_case.assertEqual(browser.GetIdentifier(),

POPUP_BROWSER_ID)

# browser.GetUrl() returns empty at this moment.

self.test_case.assertTrue(browser.IsPopup())

if WINDOWS:

cef.WindowUtils.SetTitle(browser, "Popup test")

# Close the popup browser after 250 ms

cef.PostDelayedTask(cef.TID_UI, 250, close_popup, self, browser)

class LoadHandler(object):

def __init__(self, test_case, datauri):

self.test_case = test_case

self.datauri = datauri

self.frame_source_visitor = None

# Asserts for True/False will be checked just before shutdown

self.test_for_True = True # Test whether asserts are working correctly

self.OnLoadStart_True = False

self.OnLoadEnd_True = False

self.FrameSourceVisitor_True = False

# self.OnLoadingStateChange_Start_True = False # FAILS

self.OnLoadingStateChange_End_True = False

def OnLoadStart(self, browser, frame, **_):

self.test_case.assertFalse(self.OnLoadStart_True)

self.OnLoadStart_True = True

self.test_case.assertEqual(browser.GetUrl(), frame.GetUrl())

self.test_case.assertEqual(browser.GetUrl(), self.datauri)

def OnLoadEnd(self, browser, frame, http_code, **_):

# OnLoadEnd should be called only once

self.test_case.assertFalse(self.OnLoadEnd_True)

self.OnLoadEnd_True = True

self.test_case.assertEqual(http_code, 200)

self.frame_source_visitor = FrameSourceVisitor(self, self.test_case)

frame.GetSource(self.frame_source_visitor)

browser.ExecuteJavascript("print('LoadHandler.OnLoadEnd() ok')")

subtest_message("Executing callbacks registered with on_load_end()")

global g_on_load_end_callbacks

for callback_data in g_on_load_end_callbacks:

callback_data[0](*callback_data[1])

del g_on_load_end_callbacks

def OnLoadingStateChange(self, browser, is_loading, can_go_back,

can_go_forward, **_):

if is_loading:

# TODO: this test fails, looks like OnLoadingStaetChange with

# is_loading=False is being called very fast, before

# OnLoadStart and before client handler is set by calling

# browser.SetClientHandler().

# SOLUTION: allow to set OnLoadingStateChange through

# SetGlobalClientCallback similarly to _OnAfterCreated().

# self.test_case.assertFalse(self.OnLoadingStateChange_Start_True)

# self.OnLoadingStateChange_Start_True = True

pass

else:

self.test_case.assertFalse(self.OnLoadingStateChange_End_True)

self.OnLoadingStateChange_End_True = True

self.test_case.assertEqual(browser.CanGoBack(), can_go_back)

self.test_case.assertEqual(browser.CanGoForward(), can_go_forward)

class FrameSourceVisitor(object):

"""Visitor for Frame.GetSource()."""

def __init__(self, load_handler, test_case):

self.load_handler = load_handler

self.test_case = test_case

def Visit(self, value):

self.test_case.assertFalse(self.load_handler.FrameSourceVisitor_True)

self.load_handler.FrameSourceVisitor_True = True

self.test_case.assertIn("747ef3e6011b6a61e6b3c6e54bdd2dee",

value)

Python-cefpython/unittests/_common.py at cefpython66 · caooliver/Python-cefpython · GitHub

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