cefpython/unittests/main_test.py at refs/heads/cefpython147 · linesight/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 _common import *

from cefpython3 import cefpython as cef

import glob

import os

import sys

g_datauri_data = """

<!DOCTYPE html>

<html>

<head>

body,html {

font-family: Arial;

font-size: 11pt;

}

body {

width: 810px;

heiht: 610px;

}

</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>";

}

function onload_helper() {

if (!window.hasOwnProperty("cefpython_version")) {

// Sometimes page could finish loading before javascript

// bindings are available. Javascript bindings are sent

// from the browser process to the renderer process via

// IPC messaging and it can take some time (5-10ms). If

// the page loads very fast window.onload could execute

// before bindings are available.

setTimeout(onload_helper, 10);

return;

}

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 function: test_function

test_function();

print("test_function() ok");

// 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",2147483647,"2147483648"]}') {

print("test_property2 ok");

} else {

print("test_property2 invalid value: " + JSON.stringify(test_property2));

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

}

// Test binding function: test_property3_function

test_property3_function();

print("test_property3_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");

});

// Test popup

window.open("about:blank");

// Done

js_code_completed();

}

window.onload = function() {

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

onload_helper();

}

</script>

</head>

<body>

</body>

</html>

"""

g_datauri = cef.GetDataUrl(g_datauri_data)

def main_test_async_completed(global_handler, objects, loading_progress):

"""Return whether all asynchronous main-test work has finished."""

main_browser = cef.GetBrowserByIdentifier(MAIN_BROWSER_ID)

if (not is_js_code_completed()

or not global_handler.HasDevTools_True

or main_browser is None

or main_browser.HasDevTools()

or cef.GetBrowserByIdentifier(POPUP_BROWSER_ID) is not None

or loading_progress != 1.0):

return False

return all(value

for obj in objects

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

if "_True" in key)

class MainTest_IsolatedTest(unittest.TestCase):

def test_main(self):

"""Main entry point. All the 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 not LINUX:

# On Linux you get a lot of "X error received" messages

# from Chromium's "x11_util.cc", so do not show them.

settings["log_severity"] = cef.LOGSEVERITY_WARNING

if "--debug" in sys.argv:

settings["debug"] = True

settings["log_severity"] = cef.LOGSEVERITY_INFO

if "--debug-warning" in sys.argv:

settings["debug"] = True

settings["log_severity"] = cef.LOGSEVERITY_WARNING

# The popup sub-test opens a window via window.open() during page

# load, i.e. without a user gesture, which Chrome blocks by default.

# This is a functional requirement of the test itself (not a CI

# workaround), so it applies on every platform.

switches = {"disable-popup-blocking": ""}

cef.Initialize(settings, switches=switches)

# Ensure assertion and timeout failures still release CEF and its child

# processes. The explicit shutdown near the end uses this same helper,

# making the unittest cleanup a no-op on the success path.

cef_active = True

def shutdown_cef():

nonlocal cef_active

if cef_active:

cef_active = False

cef.Shutdown()

self.addCleanup(shutdown_cef)

subtest_message("cef.Initialize() ok")

# CRL set file

certrevoc_dir = ""

if WINDOWS:

certrevoc_dir = r"C:\localappdata\Google\Chrome\User Data" \

r"\CertificateRevocation"

elif LINUX:

certrevoc_dir = r"/home/*/.config/google-chrome" \

r"/CertificateRevocation"

elif MAC:

certrevoc_dir = r"/Users/*/Library/Application Support/Google" \

r"/Chrome/CertificateRevocation"

crlset_files = glob.iglob(os.path.join(certrevoc_dir, "*",

"crl-set"))

crlset = ""

for crlset in crlset_files:

pass

if os.path.exists(crlset):

cef.LoadCrlSetsFile(crlset)

subtest_message("cef.LoadCrlSetsFile ok")

# High DPI on Windows.

# Setting DPI awareness from Python is usually too late and should be done

# via manifest file. Alternatively change python.exe properties > Compatibility

# > High DPI scaling override > Application.

# Using cef.DpiAware.EnableHighDpiSupport is problematic, it can cause

# display glitches.

if WINDOWS:

self.assertIsInstance(cef.DpiAware.GetSystemDpi(), tuple)

window_size = cef.DpiAware.CalculateWindowSize(800, 600)

self.assertIsInstance(window_size, tuple)

self.assertGreater(window_size[0], 0)

self.assertGreater(cef.DpiAware.Scale((800, 600))[0], 0)

# Make some calls again after DPI Aware was set

self.assertIsInstance(cef.DpiAware.GetSystemDpi(), tuple)

self.assertGreater(cef.DpiAware.Scale([800, 600])[0], 0)

self.assertIsInstance(cef.DpiAware.Scale(800), int)

self.assertGreater(cef.DpiAware.Scale(800), 0)

subtest_message("cef.DpiAware ok")

# Global handler

global_handler = GlobalHandler(self)

cef.SetGlobalClientCallback("OnAfterCreated",

global_handler._OnAfterCreated)

subtest_message("cef.SetGlobalClientCallback() ok")

# Create browser

browser_settings = {

"inherit_client_handlers_for_popups": False,

}

browser = cef.CreateBrowserSync(url=g_datauri,

settings=browser_settings)

self.assertIsNotNone(browser, "Browser object")

browser.SetFocus(True)

subtest_message("cef.CreateBrowserSync() ok")

# Client handlers

display_handler2 = DisplayHandler2(self)

v8context_handler = V8ContextHandler(self)

client_handlers = [LoadHandler(self, g_datauri),

DisplayHandler(self),

display_handler2,

v8context_handler]

for handler in client_handlers:

browser.SetClientHandler(handler)

subtest_message("browser.SetClientHandler() ok")

# Javascript bindings

external = External(self)

bindings = cef.JavascriptBindings(

bindToFrames=False, bindToPopups=False)

bindings.SetFunction("js_code_completed", js_code_completed)

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

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

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

# Property with a function value can also be bound. CEF Python

# supports passing functions as callbacks when called from

# javascript, and as a side effect any value and in this case

# a property can also be a function.

bindings.SetProperty("test_property3_function",

external.test_property3_function)

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

bindings.SetObject("external", external)

browser.SetJavascriptBindings(bindings)

subtest_message("browser.SetJavascriptBindings() ok")

# Set auto resize. Call it after js bindings were set.

browser.SetAutoResizeEnabled(enabled=True,

min_size=[800, 600],

max_size=[1024, 768])

subtest_message("browser.SetAutoResizeEnabled() ok")

# Test Request.SetPostData(list)

# noinspection PyArgumentList

req = cef.Request.CreateRequest()

req_file = os.path.dirname(os.path.abspath(__file__))

req_file = os.path.join(req_file, "main_test.py")

if sys.version_info.major > 2:

req_file = req_file.encode("utf-8")

req_data = [b"--key=value", b"@"+req_file]

req.SetMethod("POST")

req.SetPostData(req_data)

self.assertEqual(req_data, req.GetPostData())

subtest_message("cef.Request.SetPostData(list) ok")

# Test Request.SetPostData(dict)

# noinspection PyArgumentList

req = cef.Request.CreateRequest()

req_data = {b"key": b"value"}

req.SetMethod("POST")

req.SetPostData(req_data)

self.assertEqual(req_data, req.GetPostData())

subtest_message("cef.Request.SetPostData(dict) ok")

# Cookie manager

self.assertIsInstance(cef.CookieManager.GetGlobalManager(),

cef.PyCookieManager)

subtest_message("cef.CookieManager ok")

# Window Utils

if WINDOWS:

hwnd = 1 # When using 0 getting issues with OnautoResize

self.assertFalse(cef.WindowUtils.IsWindowHandle(hwnd))

cef.WindowUtils.OnSetFocus(hwnd, 0, 0, 0)

cef.WindowUtils.OnSize(hwnd, 0, 0, 0)

cef.WindowUtils.OnEraseBackground(hwnd, 0, 0, 0)

cef.WindowUtils.GetParentHandle(hwnd)

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

subtest_message("cef.WindowUtils ok")

elif LINUX:

cef.WindowUtils.InstallX11ErrorHandlers()

subtest_message("cef.WindowUtils ok")

elif MAC:

hwnd = 0

cef.WindowUtils.GetParentHandle(hwnd)

cef.WindowUtils.IsWindowHandle(hwnd)

subtest_message("cef.WindowUtils ok")

# Exercise the external-loop MessageLoopWork() API until the complete

# asynchronous flow finishes: JavaScript opens a popup, the popup is

# destroyed, and its follow-up DevTools test succeeds. Browser and

# renderer startup duration varies between systems, so completion must

# not depend on a fixed number of message-loop iterations.

async_objects = client_handlers + [global_handler, external]

async_completed = run_message_loop_until(

lambda: main_test_async_completed(

global_handler, async_objects,

display_handler2.OnLoadingProgressChange_Progress))

self.assertTrue(

async_completed,

"Timed out waiting for load/JavaScript callbacks, popup "

"destruction and DevTools closure")

subtest_message("cef.MessageLoopWork() ok")

# Make sure popup browser was destroyed

self.assertIsInstance(cef.GetBrowserByIdentifier(MAIN_BROWSER_ID),

cef.PyBrowser)

self.assertIsNone(cef.GetBrowserByIdentifier(POPUP_BROWSER_ID))

subtest_message("cef.GetBrowserByIdentifier() ok")

# Close browser and clean reference

browser.CloseBrowser(True)

del browser

subtest_message("browser.CloseBrowser() ok")

# CloseBrowser() is asynchronous. Process pending close work before

# checking callbacks and shutting CEF down. For synchronously created

# macOS browsers, OnBeforeClose may be deferred until Shutdown()

# (CEF issues #3469 and #3810).

do_message_loop_work(25)

# Asserts before shutdown

self.assertEqual(display_handler2.OnLoadingProgressChange_Progress,

1.0)

# noinspection PyTypeChecker

check_auto_asserts(self, async_objects)

# Test shutdown of CEF

shutdown_cef()

subtest_message("cef.Shutdown() ok")

# Display summary

show_test_summary(__file__)

sys.stdout.flush()

class DisplayHandler2(object):

def __init__(self, test_case):

self.test_case = test_case

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

# Test whether asserts are working correctly.

self.test_for_True = True

# CEF 146+: SetAutoResizeEnabled no longer triggers OnAutoResize for

# windowed (non-OSR) browsers. Removed OnAutoResize_True assertion.

self.OnLoadingProgressChange_True = False

self.OnLoadingProgressChange_Progress = 0.0

def OnAutoResize(self, new_size, **_):

pass # CEF 146+: no longer fires for windowed browsers

def OnLoadingProgressChange(self, browser, progress, **_):

self.OnLoadingProgressChange_True = True

self.OnLoadingProgressChange_Progress = progress

class V8ContextHandler(object):

def __init__(self, test_case):

self.test_case = test_case

# CEF 146+: only one V8 context is created per navigation.

# The initial empty-document context that existed in older CEF

# versions (and was released immediately) is no longer created.

self.OnContextCreatedFirstCall_True = False

def OnContextCreated(self, browser, frame):

self.OnContextCreatedFirstCall_True = True

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

self.test_case.assertTrue(frame.GetIdentifier())

def OnContextReleased(self, browser, frame):

# CEF 146+: no longer called for the initial empty-document context

# (which no longer exists). May still be called in other scenarios.

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

self.test_case.assertTrue(frame.GetIdentifier())

class External(object):

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

def __init__(self, test_case):

self.test_case = test_case

# Test binding properties to the 'window' object.

# 2147483648 is out of INT_MAX limit and will be sent to JS as string value.

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

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

"key2": ["Inside list", 2147483647, 2147483648]}

# 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_property3_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_property3_function(self):

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

self.test_property3_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(os.path.basename(__file__))

cefpython/unittests/main_test.py at refs/heads/cefpython147 · linesight/cefpython · GitHub

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