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-rw-r--r--chrome/test/automation/javascript_execution_controller.cc110
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diff --git a/chrome/test/automation/javascript_execution_controller.cc b/chrome/test/automation/javascript_execution_controller.cc
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--- a/chrome/test/automation/javascript_execution_controller.cc
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-// Copyright (c) 2012 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/automation/javascript_execution_controller.h"
-
-#include "base/json/json_string_value_serializer.h"
-#include "chrome/test/automation/javascript_message_utils.h"
-
-using javascript_utils::JavaScriptPrintf;
-
-// Initialize this timeout to an invalid value. Each test framework or test
-// must set an appropriate timeout using set_timeout, or the
-// JavaScriptExecutionController will complain.
-int JavaScriptExecutionController::timeout_ms_ = -1;
-
-JavaScriptExecutionController::JavaScriptExecutionController() {}
-
-bool JavaScriptExecutionController::ExecuteJavaScript(
- const std::string& script) {
- scoped_ptr<Value> return_value;
- return ExecuteAndParseHelper(WrapJavaScript(script), &return_value);
-}
-
-bool JavaScriptExecutionController::ExecuteAsyncJavaScript(
- const std::string& script) {
- scoped_ptr<Value> return_value;
- return ExecuteAndParseHelper(WrapAsyncJavaScript(script), &return_value);
-}
-
-JavaScriptExecutionController::~JavaScriptExecutionController() {}
-
-void JavaScriptExecutionController::Remove(int handle) {
- handle_to_object_.erase(handle);
- if (handle_to_object_.empty())
- LastObjectRemoved();
-}
-
-std::string JavaScriptExecutionController::WrapJavaScript(
- const std::string& original_script) {
- const char* script =
- "domAutomationController.setAutomationId(0);"
- "domAutomation.evaluateJavaScript(%s);";
- return JavaScriptPrintf(script, original_script);
-}
-
-std::string JavaScriptExecutionController::WrapAsyncJavaScript(
- const std::string& original_script) {
- if (timeout_ms_ == -1) {
- NOTREACHED() << "Timeout for asynchronous JavaScript methods has not been "
- << "set. Call JavaScriptExecutionController::"
- << "set_timeout(timeout_in_ms).";
- }
- const char* script =
- "domAutomationController.setAutomationId(0);"
- "domAutomation.evaluateAsyncJavaScript(%s, %s);";
- return JavaScriptPrintf(script, original_script, timeout_ms_);
-}
-
-bool JavaScriptExecutionController::ExecuteAndParseHelper(
- const std::string& script, scoped_ptr<Value>* result) {
- std::string json;
- if (!ExecuteJavaScriptAndGetJSON(script, &json)) {
- LOG(ERROR) << "JavaScript either did not execute or did not respond.";
- return false;
- }
-
- // Deserialize the json to a Value.
- JSONStringValueSerializer parse(json);
- std::string parsing_error;
- scoped_ptr<Value> root_value(parse.Deserialize(NULL, &parsing_error));
-
- // Parse the response.
- // The response must be a list of 3 components:
- // - success (boolean): whether the javascript was evaluated with no errors
- // - error (string): the evaluation error message or the empty string if
- // no error occurred
- // - result (string): the result of the evaluation (in JSON), or the
- // exact error if an error occurred (in JSON)
- if (!root_value.get()) {
- if (parsing_error.length()) {
- LOG(ERROR) << "Cannot parse JSON response: " << parsing_error;
- } else {
- LOG(ERROR) << "JSON response is empty";
- }
- return false;
- }
-
- bool success;
- std::string evaluation_error;
- Value* evaluation_result_value;
- if (!root_value->IsType(Value::TYPE_LIST)) {
- LOG(ERROR) << "JSON response was not in correct format";
- return false;
- }
- ListValue* list = static_cast<ListValue*>(root_value.get());
- if (!list->GetBoolean(0, &success) ||
- !list->GetString(1, &evaluation_error) ||
- !list->Remove(2, &evaluation_result_value)) {
- LOG(ERROR) << "JSON response was not in correct format";
- return false;
- }
- if (!success) {
- LOG(WARNING) << "JavaScript evaluation did not complete successfully: "
- << evaluation_error;
- return false;
- }
- result->reset(evaluation_result_value);
- return true;
-}