cefpython/unittests/main_test.py at cefpython57 · pythonthings/cefpython · GitHub

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

"""General testing of CEF Python."""

import unittest

# noinspection PyUnresolvedReferences

import _test_runner

from os.path import basename

from cefpython3 import cefpython as cef

import time

import base64

import sys

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

MESSAGE_LOOP_RANGE = 200 # each iteration is 0.01 sec

g_datauri_data = """

<!DOCTYPE html>

<html>

<head>

body,html {

font-family: Arial;

font-size: 11pt;

}

</style>

function print(msg) {

console.log(msg+" [JS]");

msg = msg.replace("ok", "<b style='color:green'>ok</b>");

msg = msg.replace("error", "<b style='color:red'>error</b>");

document.getElementById("console").innerHTML += msg+"<br>";

}

window.onload = function(){

print("window.onload() ok");

version = cefpython_version

print("CEF Python: <b>"+version.version+"</b>");

print("Chrome: <b>"+version.chrome_version+"</b>");

print("CEF: <b>"+version.cef_version+"</b>");

// Test binding property: test_property1

if (test_property1 == "Test binding property to the 'window' object") {

print("test_property_1 ok");

} else {

throw new Error("test_property1 contains invalid string");

}

// Test binding property: test_property2

if (JSON.stringify(test_property2) == '{"key1":"Test binding property'+

' to the \\'window\\' object","key2":["Inside list",1,2]}') {

print("test_property2 ok");

} else {

throw new Error("test_property2 contains invalid value");

}

// Test binding function: test_function

test_function();

print("test_function() ok");

// Test binding external object and use of javascript<>python callbacks

var start_time = new Date().getTime();

print("[TIMER] Call Python function and then js callback that was"+

" passed (Issue #277 test)");

external.test_callbacks(function(msg_from_python, py_callback){

if (msg_from_python == "String sent from Python") {

print("test_callbacks() ok");

var execution_time = new Date().getTime() - start_time;

print("[TIMER]: Elapsed = "+String(execution_time)+" ms");

} else {

throw new Error("test_callbacks(): msg_from_python contains"+

" invalid value");

}

py_callback("String sent from Javascript");

print("py_callback() ok");

});

};

</script>

</head>

<body>

</body>

</html>

"""

g_datauri = "data:text/html;base64,"+base64.b64encode(g_datauri_data.encode(

"utf-8", "replace")).decode("utf-8", "replace")

g_subtests_ran = 0

def subtest_message(message):

global g_subtests_ran

g_subtests_ran += 1

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

sys.stdout.flush()

class MainTest_IsolatedTest(unittest.TestCase):

def test_main(self):

"""Main entry point."""

# All this code must run inside one single test, otherwise strange

# things happen.

print("")

print("CEF Python {ver}".format(ver=cef.__version__))

print("Python {ver}".format(ver=sys.version[:6]))

# Test initialization of CEF

settings = {

"debug": False,

"log_severity": cef.LOGSEVERITY_ERROR,

"log_file": "",

}

if "--debug" in sys.argv:

settings["debug"] = True

settings["log_severity"] = cef.LOGSEVERITY_INFO

cef.Initialize(settings)

subtest_message("cef.Initialize() ok")

# Test global handler

global_handler = GlobalHandler(self)

cef.SetGlobalClientCallback("OnAfterCreated",

global_handler._OnAfterCreated)

subtest_message("cef.SetGlobalClientCallback() ok")

# Test creation of browser

browser = cef.CreateBrowserSync(url=g_datauri)

self.assertIsNotNone(browser, "Browser object")

subtest_message("cef.CreateBrowserSync() ok")

# Test other handlers: LoadHandler, DisplayHandler etc.

client_handlers = [LoadHandler(self), DisplayHandler(self)]

for handler in client_handlers:

browser.SetClientHandler(handler)

subtest_message("browser.SetClientHandler() ok")

# Test javascript bindings

external = External(self)

bindings = cef.JavascriptBindings(

bindToFrames=False, bindToPopups=False)

bindings.SetFunction("test_function", external.test_function)

bindings.SetProperty("test_property1", external.test_property1)

bindings.SetProperty("test_property2", external.test_property2)

bindings.SetProperty("cefpython_version", cef.GetVersion())

bindings.SetObject("external", external)

browser.SetJavascriptBindings(bindings)

subtest_message("browser.SetJavascriptBindings() ok")

# 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")

# Test browser closing. Remember to clean reference.

browser.CloseBrowser(True)

del browser

subtest_message("browser.CloseBrowser() ok")

# Give it some time to close before calling shutdown.

# noinspection PyTypeChecker

for i in range(25):

cef.MessageLoopWork()

time.sleep(0.01)

# Automatic check of asserts in handlers and in external

for obj in [] + client_handlers + [global_handler, external]:

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:

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

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

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

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

" ok")

elif "_False" in key:

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

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

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

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

" ok")

self.assertTrue(test_for_True)

# Test shutdown of CEF

cef.Shutdown()

subtest_message("cef.Shutdown() ok")

# Display real number of tests there were run

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

sys.stdout.flush()

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.OnAfterCreated_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.

self.test_case.assertFalse(self.OnAfterCreated_True)

self.OnAfterCreated_True = True

self.test_case.assertEqual(browser.GetIdentifier(), 1)

class LoadHandler(object):

def __init__(self, test_case):

self.test_case = test_case

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(), g_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')")

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 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(message)

else:

# Check whether messages from javascript are coming

self.OnConsoleMessage_True = True

subtest_message(message)

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, **_):

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

self.load_handler.FrameSourceVisitor_True = True

self.test_case.assertIn("747ef3e6011b6a61e6b3c6e54bdd2dee",

g_datauri_data)

class External(object):

"""Javascript 'window.external' object."""

def __init__(self, test_case):

self.test_case = test_case

# Test binding properties to the 'window' object.

self.test_property1 = "Test binding property to the 'window' object"

self.test_property2 = {"key1": self.test_property1,

"key2": ["Inside list", 1, 2]}

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

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

self.test_function_True = False

self.test_callbacks_True = False

self.py_callback_True = False

def test_function(self):

"""Test binding function to the 'window' object."""

self.test_function_True = True

def test_callbacks(self, js_callback):

"""Test both javascript and python callbacks."""

def py_callback(msg_from_js):

self.py_callback_True = True

self.test_case.assertEqual(msg_from_js,

"String sent from Javascript")

self.test_callbacks_True = True

js_callback.Call("String sent from Python", py_callback)

if __name__ == "__main__":

_test_runner.main(basename(__file__))

cefpython/unittests/main_test.py at cefpython57 · pythonthings/cefpython · GitHub

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