378 lines
12 KiB
C++
378 lines
12 KiB
C++
// Copyright (c) 2020 The Chromium Embedded Framework Authors. All rights
|
|
// reserved. Use of this source code is governed by a BSD-style license that
|
|
// can be found in the LICENSE file.
|
|
|
|
#include <algorithm>
|
|
#include <sstream>
|
|
|
|
#include "include/base/cef_callback.h"
|
|
#include "include/base/cef_callback_helpers.h"
|
|
#include "include/cef_callback.h"
|
|
#include "include/cef_devtools_message_observer.h"
|
|
#include "include/cef_parser.h"
|
|
#include "include/wrapper/cef_closure_task.h"
|
|
|
|
#include "tests/ceftests/test_handler.h"
|
|
#include "tests/gtest/include/gtest/gtest.h"
|
|
|
|
namespace {
|
|
|
|
const char kTestUrl1[] = "https://tests/DevToolsMessage1";
|
|
const char kTestUrl2[] = "https://tests/DevToolsMessage2";
|
|
|
|
class DevToolsMessageTestHandler : public TestHandler {
|
|
public:
|
|
DevToolsMessageTestHandler() = default;
|
|
|
|
void RunTest() override {
|
|
// Add HTML resources.
|
|
AddResource(kTestUrl1, "<html><body>Test1</body></html>", "text/html");
|
|
AddResource(kTestUrl2, "<html><body>Test2</body></html>", "text/html");
|
|
|
|
// Create the browser.
|
|
CreateBrowser(kTestUrl1);
|
|
|
|
// Time out the test after a reasonable period of time.
|
|
SetTestTimeout();
|
|
}
|
|
|
|
void OnAfterCreated(CefRefPtr<CefBrowser> browser) override {
|
|
TestHandler::OnAfterCreated(browser);
|
|
|
|
// STEP 1: Add the DevTools observer. Wait for the 1st load.
|
|
registration_ = browser->GetHost()->AddDevToolsMessageObserver(
|
|
new TestMessageObserver(this));
|
|
EXPECT_TRUE(registration_);
|
|
}
|
|
|
|
void OnLoadingStateChange(CefRefPtr<CefBrowser> browser,
|
|
bool isLoading,
|
|
bool canGoBack,
|
|
bool canGoForward) override {
|
|
if (!isLoading) {
|
|
load_ct_++;
|
|
if (load_ct_ == 1) {
|
|
// STEP 2: 1st load has completed. Now enable page domain notifications
|
|
// and wait for the method result.
|
|
ExecuteMethod(
|
|
"Page.enable", "",
|
|
base::BindOnce(&DevToolsMessageTestHandler::Navigate, this));
|
|
} else if (load_ct_ == 2) {
|
|
MaybeDestroyTest();
|
|
}
|
|
}
|
|
}
|
|
|
|
void DestroyTest() override {
|
|
// STEP 7: Remove the DevTools observer. This should result in the observer
|
|
// object being destroyed.
|
|
EXPECT_TRUE(registration_);
|
|
registration_ = nullptr;
|
|
EXPECT_TRUE(observer_destroyed_);
|
|
|
|
// Each send message variant should be called at least a single time.
|
|
EXPECT_GE(method_send_ct_, 1);
|
|
EXPECT_GE(method_execute_ct_, 1);
|
|
|
|
// All sent messages should receive a result callback.
|
|
EXPECT_EQ(expected_method_ct_, method_send_ct_ + method_execute_ct_);
|
|
EXPECT_EQ(expected_method_ct_, result_ct_);
|
|
EXPECT_EQ(expected_method_ct_, last_result_id_);
|
|
|
|
// Every received message should parse successfully to a result or event
|
|
// callback.
|
|
EXPECT_EQ(message_ct_, result_ct_ + event_ct_);
|
|
|
|
// Should receive 1 or more events (probably just 1, but who knows?).
|
|
EXPECT_GE(event_ct_, 1);
|
|
|
|
// OnLoadingStateChange(isLoading=false) should be called twice.
|
|
EXPECT_EQ(expected_load_ct_, load_ct_);
|
|
|
|
// Should get callbacks for agent attached but not detached.
|
|
EXPECT_EQ(1, attached_ct_);
|
|
EXPECT_EQ(0, detached_ct_);
|
|
|
|
TestHandler::DestroyTest();
|
|
}
|
|
|
|
private:
|
|
struct MethodResult {
|
|
int message_id;
|
|
bool success;
|
|
std::string result;
|
|
};
|
|
|
|
struct Event {
|
|
std::string method;
|
|
std::string params;
|
|
};
|
|
|
|
class TestMessageObserver : public CefDevToolsMessageObserver {
|
|
public:
|
|
explicit TestMessageObserver(DevToolsMessageTestHandler* handler)
|
|
: handler_(handler) {}
|
|
|
|
~TestMessageObserver() override { handler_->observer_destroyed_.yes(); }
|
|
|
|
bool OnDevToolsMessage(CefRefPtr<CefBrowser> browser,
|
|
const void* message,
|
|
size_t message_size) override {
|
|
EXPECT_TRUE(browser.get());
|
|
EXPECT_EQ(handler_->GetBrowserId(), browser->GetIdentifier());
|
|
handler_->message_ct_++;
|
|
return false;
|
|
}
|
|
|
|
void OnDevToolsMethodResult(CefRefPtr<CefBrowser> browser,
|
|
int message_id,
|
|
bool success,
|
|
const void* result,
|
|
size_t result_size) override {
|
|
EXPECT_TRUE(browser.get());
|
|
EXPECT_EQ(handler_->GetBrowserId(), browser->GetIdentifier());
|
|
handler_->result_ct_++;
|
|
|
|
MethodResult mr;
|
|
mr.message_id = message_id;
|
|
mr.success = success;
|
|
if (result) {
|
|
// Intentionally truncating at small size.
|
|
mr.result = std::string(static_cast<const char*>(result),
|
|
std::min(static_cast<int>(result_size), 80));
|
|
}
|
|
handler_->OnMethodResult(mr);
|
|
}
|
|
|
|
void OnDevToolsEvent(CefRefPtr<CefBrowser> browser,
|
|
const CefString& method,
|
|
const void* params,
|
|
size_t params_size) override {
|
|
EXPECT_TRUE(browser.get());
|
|
EXPECT_EQ(handler_->GetBrowserId(), browser->GetIdentifier());
|
|
handler_->event_ct_++;
|
|
|
|
Event ev;
|
|
ev.method = method;
|
|
if (params) {
|
|
// Intentionally truncating at small size.
|
|
ev.params = std::string(static_cast<const char*>(params),
|
|
std::min(static_cast<int>(params_size), 80));
|
|
}
|
|
handler_->OnEvent(ev);
|
|
}
|
|
|
|
void OnDevToolsAgentAttached(CefRefPtr<CefBrowser> browser) override {
|
|
EXPECT_TRUE(browser.get());
|
|
EXPECT_EQ(handler_->GetBrowserId(), browser->GetIdentifier());
|
|
handler_->attached_ct_++;
|
|
}
|
|
|
|
void OnDevToolsAgentDetached(CefRefPtr<CefBrowser> browser) override {
|
|
EXPECT_TRUE(browser.get());
|
|
EXPECT_EQ(handler_->GetBrowserId(), browser->GetIdentifier());
|
|
handler_->detached_ct_++;
|
|
}
|
|
|
|
private:
|
|
DevToolsMessageTestHandler* handler_;
|
|
|
|
IMPLEMENT_REFCOUNTING(TestMessageObserver);
|
|
DISALLOW_COPY_AND_ASSIGN(TestMessageObserver);
|
|
};
|
|
|
|
// Execute a DevTools method. Expected results will be verified in
|
|
// OnMethodResult, and |next_step| will then be executed.
|
|
// |expected_result| can be a fragment that the result should start with.
|
|
void ExecuteMethod(const std::string& method,
|
|
const std::string& params,
|
|
base::OnceClosure next_step,
|
|
const std::string& expected_result = "{}",
|
|
bool expected_success = true) {
|
|
CHECK(!method.empty());
|
|
CHECK(!next_step.is_null());
|
|
|
|
int message_id = next_message_id_++;
|
|
|
|
std::stringstream message;
|
|
message << "{\"id\":" << message_id << ",\"method\":\"" << method << "\"";
|
|
if (!params.empty()) {
|
|
message << ",\"params\":" << params;
|
|
}
|
|
message << "}";
|
|
|
|
// Set expected result state.
|
|
pending_message_ = message.str();
|
|
pending_result_next_ = std::move(next_step);
|
|
pending_result_ = {message_id, expected_success, expected_result};
|
|
|
|
if (message_id % 2 == 0) {
|
|
// Use the less structured method.
|
|
method_send_ct_++;
|
|
GetBrowser()->GetHost()->SendDevToolsMessage(pending_message_.data(),
|
|
pending_message_.size());
|
|
} else {
|
|
// Use the more structured method.
|
|
method_execute_ct_++;
|
|
CefRefPtr<CefDictionaryValue> dict;
|
|
if (!params.empty()) {
|
|
CefRefPtr<CefValue> value =
|
|
CefParseJSON(params.data(), params.size(), JSON_PARSER_RFC);
|
|
EXPECT_TRUE(value && value->GetType() == VTYPE_DICTIONARY)
|
|
<< "failed to parse: " << params;
|
|
if (value && value->GetType() == VTYPE_DICTIONARY) {
|
|
dict = value->GetDictionary();
|
|
}
|
|
}
|
|
GetBrowser()->GetHost()->ExecuteDevToolsMethod(message_id, method, dict);
|
|
}
|
|
}
|
|
|
|
// Every call to ExecuteMethod should result in a single call to this method
|
|
// with the same message_id.
|
|
void OnMethodResult(const MethodResult& result) {
|
|
EXPECT_EQ(pending_result_.message_id, result.message_id)
|
|
<< "with message=" << pending_message_;
|
|
if (result.message_id != pending_result_.message_id) {
|
|
return;
|
|
}
|
|
|
|
EXPECT_EQ(pending_result_.success, result.success)
|
|
<< "with message=" << pending_message_;
|
|
|
|
EXPECT_TRUE(result.result.find(pending_result_.result) == 0)
|
|
<< "with message=" << pending_message_
|
|
<< "\nand actual result=" << result.result
|
|
<< "\nand expected result=" << pending_result_.result;
|
|
|
|
last_result_id_ = result.message_id;
|
|
|
|
// Continue asynchronously to allow the callstack to unwind.
|
|
CefPostTask(TID_UI, std::move(pending_result_next_));
|
|
|
|
// Clear expected result state.
|
|
pending_message_.clear();
|
|
pending_result_ = {};
|
|
}
|
|
|
|
void OnEvent(const Event& event) {
|
|
if (event.method != pending_event_.method) {
|
|
return;
|
|
}
|
|
|
|
EXPECT_TRUE(event.params.find(pending_event_.params) == 0)
|
|
<< "with method=" << event.method
|
|
<< "\nand actual params=" << event.params
|
|
<< "\nand expected params=" << pending_event_.params;
|
|
|
|
// Continue asynchronously to allow the callstack to unwind.
|
|
CefPostTask(TID_UI, std::move(pending_event_next_));
|
|
|
|
// Clear expected result state.
|
|
pending_event_ = {};
|
|
}
|
|
|
|
void Navigate() {
|
|
pending_event_ = {"Page.frameNavigated", "{\"frame\":"};
|
|
pending_event_next_ =
|
|
base::BindOnce(&DevToolsMessageTestHandler::AfterNavigate, this);
|
|
|
|
std::stringstream params;
|
|
params << "{\"url\":\"" << kTestUrl2 << "\"}";
|
|
|
|
// STEP 3: Page domain notifications are enabled. Now start a new
|
|
// navigation (but do nothing on method result) and wait for the
|
|
// "Page.frameNavigated" event.
|
|
ExecuteMethod("Page.navigate", params.str(), base::DoNothing(),
|
|
/*expected_result=*/"{\"frameId\":");
|
|
}
|
|
|
|
void AfterNavigate() {
|
|
// STEP 4: Got the "Page.frameNavigated" event. Now disable page domain
|
|
// notifications.
|
|
ExecuteMethod(
|
|
"Page.disable", "",
|
|
base::BindOnce(&DevToolsMessageTestHandler::AfterPageDisabled, this));
|
|
}
|
|
|
|
void AfterPageDisabled() {
|
|
// STEP 5: Got the the "Page.disable" method result. Now call a non-existant
|
|
// method to verify an error result, and then destroy the test when done.
|
|
ExecuteMethod(
|
|
"Foo.doesNotExist", "",
|
|
base::BindOnce(&DevToolsMessageTestHandler::MaybeDestroyTest, this),
|
|
/*expected_result=*/
|
|
"{\"code\":-32601,\"message\":\"'Foo.doesNotExist' wasn't found\"}",
|
|
/*expected_success=*/false);
|
|
}
|
|
|
|
void MaybeDestroyTest() {
|
|
if (result_ct_ == expected_method_ct_ && load_ct_ == expected_load_ct_) {
|
|
// STEP 6: Got confirmation of all expected method results and load
|
|
// events. Now destroy the test.
|
|
DestroyTest();
|
|
}
|
|
}
|
|
|
|
// Total # of times we're planning to call ExecuteMethod.
|
|
const int expected_method_ct_ = 4;
|
|
|
|
// Total # of times we're expecting OnLoadingStateChange(isLoading=false) to
|
|
// be called.
|
|
const int expected_load_ct_ = 2;
|
|
|
|
// In ExecuteMethod:
|
|
// Next message ID to use.
|
|
int next_message_id_ = 1;
|
|
// Last message that was sent (used for debug messages only).
|
|
std::string pending_message_;
|
|
// SendDevToolsMessage call count.
|
|
int method_send_ct_ = 0;
|
|
// ExecuteDevToolsMethod call count.
|
|
int method_execute_ct_ = 0;
|
|
|
|
// Expect |pending_result_.message_id| in OnMethodResult.
|
|
// The result should start with the |pending_result_.result| fragment.
|
|
MethodResult pending_result_;
|
|
// Tracks the last message ID received.
|
|
int last_result_id_ = -1;
|
|
// When received, execute this callback.
|
|
base::OnceClosure pending_result_next_;
|
|
|
|
// Wait for |pending_event_.method| in OnEvent.
|
|
// The params should start with the |pending_event_.params| fragment.
|
|
Event pending_event_;
|
|
// When received, execute this callback.
|
|
base::OnceClosure pending_event_next_;
|
|
|
|
CefRefPtr<CefRegistration> registration_;
|
|
|
|
// Observer callback count.
|
|
int message_ct_ = 0;
|
|
int result_ct_ = 0;
|
|
int event_ct_ = 0;
|
|
int attached_ct_ = 0;
|
|
int detached_ct_ = 0;
|
|
|
|
// OnLoadingStateChange(isLoading=false) count.
|
|
int load_ct_ = 0;
|
|
|
|
TrackCallback observer_destroyed_;
|
|
|
|
IMPLEMENT_REFCOUNTING(DevToolsMessageTestHandler);
|
|
DISALLOW_COPY_AND_ASSIGN(DevToolsMessageTestHandler);
|
|
};
|
|
|
|
} // namespace
|
|
|
|
// Test everything related to DevTools messages:
|
|
// - CefDevToolsMessageObserver registration and life span.
|
|
// - SendDevToolsMessage/ExecuteDevToolsMethod calls.
|
|
// - CefDevToolsMessageObserver callbacks for method results and events.
|
|
TEST(DevToolsMessageTest, Messages) {
|
|
CefRefPtr<DevToolsMessageTestHandler> handler =
|
|
new DevToolsMessageTestHandler();
|
|
handler->ExecuteTest();
|
|
ReleaseAndWaitForDestructor(handler);
|
|
}
|