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# Copyright (c) 2016 CEF Python, see the Authors file.
# All rights reserved. Licensed under BSD 3-clause license.
# 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>
<style type="text/css">
body,html {
font-family: Arial;
font-size: 11pt;
}
body {
width: 810px;
heiht: 610px;
}
</style>
<script>
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>
<!-- FrameSourceVisitor hash = 747ef3e6011b6a61e6b3c6e54bdd2dee -->
<h1>Main test</h1>
<div id="console"></div>
</body>
</html>
"""
g_datauri = cef.GetDataUrl(g_datauri_data)
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
cef.Initialize(settings)
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)
# OFF - see comments above.
# cef.DpiAware.EnableHighDpiSupport()
# self.assertTrue(cef.DpiAware.IsProcessDpiAware())
# 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.CreateManager(path=""),
# cef.PyCookieManager)
self.assertIsInstance(cef.CookieManager.GetGlobalManager(),
cef.PyCookieManager)
# self.assertIsInstance(cef.CookieManager.GetBlockingManager(),
# 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")
# Run message loop
run_message_loop()
# 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")
# Give it some time to close before checking asserts
# and calling shutdown.
do_message_loop_work(25)
# Asserts before shutdown
self.assertEqual(display_handler2.OnLoadingProgressChange_Progress,
1.0)
# noinspection PyTypeChecker
check_auto_asserts(self, [] + client_handlers
+ [global_handler,
external])
# Test shutdown of CEF
cef.Shutdown()
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
self.OnAutoResize_True = False
self.OnLoadingProgressChange_True = False
self.OnLoadingProgressChange_Progress = 0.0
def OnAutoResize(self, new_size, **_):
self.OnAutoResize_True = True
self.test_case.assertGreaterEqual(new_size[0], 800)
self.test_case.assertLessEqual(new_size[0], 1024)
self.test_case.assertGreaterEqual(new_size[1], 600)
self.test_case.assertLessEqual(new_size[1], 768)
def OnLoadingProgressChange(self, progress, **_):
self.OnLoadingProgressChange_True = True
self.OnLoadingProgressChange_Progress = progress
class V8ContextHandler(object):
def __init__(self, test_case):
self.test_case = test_case
self.OnContextCreatedFirstCall_True = False
self.OnContextCreatedSecondCall_True = False
self.OnContextReleased_True = False
def OnContextCreated(self, browser, frame):
"""CEF creates one context when creating browser and this one is
released immediately. Then when it loads url another context is
created."""
if not self.OnContextCreatedFirstCall_True:
self.OnContextCreatedFirstCall_True = True
else:
self.test_case.assertFalse(self.OnContextCreatedSecondCall_True)
self.OnContextCreatedSecondCall_True = True
self.test_case.assertEqual(browser.GetIdentifier(), MAIN_BROWSER_ID)
self.test_case.assertEqual(frame.GetIdentifier(), 2)
def OnContextReleased(self, browser, frame):
"""This gets called only for the initial empty context, see comment
in OnContextCreated. This should never get called for the main frame
of the main browser, because it happens during app exit and there
isn't enough time for the IPC messages to go through."""
self.test_case.assertFalse(self.OnContextReleased_True)
self.OnContextReleased_True = True
self.test_case.assertEqual(browser.GetIdentifier(), MAIN_BROWSER_ID)
self.test_case.assertEqual(frame.GetIdentifier(), 2)
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__))