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// Copyright (c) 2011 The Chromium 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 "chrome/test/webdriver/session_manager.h"
#include <vector>
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/message_loop_proxy.h"
#include "base/process.h"
#include "base/process_util.h"
#include "base/string_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/test/test_timeouts.h"
#include "base/utf_string_conversions.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/test/test_launcher_utils.h"
#include "chrome/test/webdriver/utility_functions.h"
#include "third_party/webdriver/atoms.h"
namespace webdriver {
Session::Session(const std::string& id)
: thread_(id.c_str()),
id_(id),
window_num_(0),
implicit_wait_(0),
current_frame_xpath_("") {
}
Session::~Session() {}
bool Session::Init() {
if (!thread_.Start()) {
LOG(ERROR) << "Cannot start session thread";
return false;
}
bool success = false;
RunSessionTask(NewRunnableMethod(
this,
&Session::InitOnSessionThread,
&success));
return success;
}
void Session::Terminate() {
RunSessionTask(NewRunnableMethod(
this,
&Session::TerminateOnSessionThread));
}
ErrorCode Session::ExecuteScript(const std::string& script,
const ListValue* const args,
Value** value) {
std::string args_as_json;
base::JSONWriter::Write(static_cast<const Value* const>(args),
/*pretty_print=*/false,
&args_as_json);
std::string jscript = "window.domAutomationController.send((function(){" +
// Every injected script is fed through the executeScript atom. This atom
// will catch any errors that are thrown and convert them to the
// appropriate JSON structure.
build_atom(EXECUTE_SCRIPT, sizeof EXECUTE_SCRIPT) +
"var result = executeScript(function(){" + script + "}," +
args_as_json + ");return JSON.stringify(result);})());";
// Should we also log the script that's being executed? It could be several KB
// in size and will add lots of noise to the logs.
VLOG(1) << "Executing script in frame: " << current_frame_xpath_;
std::string result;
bool success;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::ExecuteScript,
current_frame_xpath_,
jscript,
&result,
&success));
if (!success) {
*value = Value::CreateStringValue(
"Unknown internal script execution failure");
return kUnknownError;
}
VLOG(1) << "...script result: " << result;
scoped_ptr<Value> r(base::JSONReader::ReadAndReturnError(
result, true, NULL, NULL));
if (!r.get()) {
*value = Value::CreateStringValue(
"Internal script execution error: failed to parse script result");
return kUnknownError;
}
if (r->GetType() != Value::TYPE_DICTIONARY) {
std::ostringstream stream;
stream << "Internal script execution error: script result must be a "
<< print_valuetype(Value::TYPE_DICTIONARY) << ", but was "
<< print_valuetype(r->GetType()) << ": " << result;
*value = Value::CreateStringValue(stream.str());
return kUnknownError;
}
DictionaryValue* result_dict = static_cast<DictionaryValue*>(r.get());
Value* tmp;
if (result_dict->Get("value", &tmp)) {
// result_dict owns the returned value, so we need to make a copy.
*value = tmp->DeepCopy();
} else {
// "value" was not defined in the returned dictionary, set to null.
*value = Value::CreateNullValue();
}
int status;
if (!result_dict->GetInteger("status", &status)) {
NOTREACHED() << "...script did not return a status flag.";
}
return static_cast<ErrorCode>(status);
}
bool Session::NavigateToURL(const std::string& url) {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::NavigateToURL,
url,
&success));
return success;
}
bool Session::GoForward() {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::GoForward,
&success));
return success;
}
bool Session::GoBack() {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::GoBack,
&success));
return success;
}
bool Session::Reload() {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::Reload,
&success));
return success;
}
bool Session::GetURL(std::string* url) {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::GetURL,
url,
&success));
return success;
}
bool Session::GetTabTitle(std::string* tab_title) {
bool success = false;
RunSessionTask(NewRunnableMethod(
automation_.get(),
&Automation::GetTabTitle,
tab_title,
&success));
return success;
}
void Session::RunSessionTask(Task* task) {
base::WaitableEvent done_event(false, false);
thread_.message_loop_proxy()->PostTask(FROM_HERE, NewRunnableMethod(
this,
&Session::RunSessionTaskOnSessionThread,
task,
&done_event));
done_event.Wait();
}
void Session::RunSessionTaskOnSessionThread(Task* task,
base::WaitableEvent* done_event) {
task->Run();
delete task;
done_event->Signal();
}
void Session::InitOnSessionThread(bool* success) {
automation_.reset(new Automation());
automation_->Init(success);
}
void Session::TerminateOnSessionThread() {
automation_->Terminate();
automation_.reset();
}
} // namespace webdriver
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