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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/browser/sync/js_event_handler_list.h"
#include "base/values.h"
#include "chrome/browser/sync/js_arg_list.h"
#include "chrome/browser/sync/js_test_util.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace browser_sync {
namespace {
using ::testing::StrictMock;
class JsEventHandlerListTest : public testing::Test {};
TEST_F(JsEventHandlerListTest, Basic) {
// |backend| must outlive |event_handlers|.
StrictMock<MockJsBackend> backend;
JsEventHandlerList event_handlers;
ListValue arg_list1, arg_list2;
arg_list1.Append(Value::CreateBooleanValue(false));
arg_list2.Append(Value::CreateIntegerValue(5));
JsArgList args1(arg_list1), args2(arg_list2);
StrictMock<MockJsEventHandler> handler1, handler2;
// Once from each call to AddHandler().
EXPECT_CALL(backend, SetParentJsEventRouter(&event_handlers)).Times(2);
// Once from the second RemoveHandler(), once from the destructor.
EXPECT_CALL(backend, RemoveParentJsEventRouter()).Times(2);
EXPECT_CALL(backend, ProcessMessage("test1", HasArgs(args2), &handler1));
EXPECT_CALL(backend, ProcessMessage("test2", HasArgs(args1), &handler2));
EXPECT_CALL(handler1, HandleJsEvent("reply1", HasArgs(args2)));
EXPECT_CALL(handler1, HandleJsEvent("allreply", HasArgs(args1)));
EXPECT_CALL(handler2, HandleJsEvent("reply2", HasArgs(args1)));
EXPECT_CALL(handler2, HandleJsEvent("allreply", HasArgs(args1)));
EXPECT_CALL(handler2, HandleJsEvent("anotherreply2", HasArgs(args2)));
EXPECT_CALL(handler2, HandleJsEvent("anotherallreply", HasArgs(args2)));
event_handlers.SetBackend(&backend);
event_handlers.AddHandler(&handler1);
event_handlers.AddHandler(&handler2);
event_handlers.ProcessMessage("test1", args2, &handler1);
event_handlers.RouteJsEvent("reply2", args1, &handler2);
event_handlers.RouteJsEvent("reply1", args2, &handler1);
event_handlers.RouteJsEvent("allreply", args1, NULL);
event_handlers.RemoveHandler(&handler1);
event_handlers.ProcessMessage("test2", args1, &handler2);
event_handlers.RouteJsEvent("droppedreply1", args1, &handler1);
event_handlers.RouteJsEvent("anotherreply2", args2, &handler2);
event_handlers.RouteJsEvent("anotherallreply", args2, NULL);
event_handlers.RemoveHandler(&handler2);
event_handlers.RouteJsEvent("anotherdroppedreply1", args1, &handler1);
event_handlers.RouteJsEvent("anotheranotherreply2", args2, &handler2);
event_handlers.RouteJsEvent("droppedallreply", args2, NULL);
// Let destructor of |event_handlers| call RemoveBackend().
}
TEST_F(JsEventHandlerListTest, QueuedMessages) {
// |backend| must outlive |event_handlers|.
StrictMock<MockJsBackend> backend;
JsEventHandlerList event_handlers;
ListValue arg_list1, arg_list2;
arg_list1.Append(Value::CreateBooleanValue(false));
arg_list2.Append(Value::CreateIntegerValue(5));
JsArgList args1(arg_list1), args2(arg_list2);
StrictMock<MockJsEventHandler> handler1, handler2;
// Once from the call to SetBackend().
EXPECT_CALL(backend, SetParentJsEventRouter(&event_handlers));
// Once from the first call to RemoveBackend().
EXPECT_CALL(backend, RemoveParentJsEventRouter());
// Once from the call to SetBackend().
EXPECT_CALL(backend, ProcessMessage("test1", HasArgs(args2), &handler1));
// Once from the call to SetBackend().
EXPECT_CALL(backend, ProcessMessage("test2", HasArgs(args1), &handler2));
event_handlers.AddHandler(&handler1);
event_handlers.AddHandler(&handler2);
// Should queue messages.
event_handlers.ProcessMessage("test1", args2, &handler1);
event_handlers.ProcessMessage("test2", args1, &handler2);
// Should call the queued messages.
event_handlers.SetBackend(&backend);
event_handlers.RemoveBackend();
// Should do nothing.
event_handlers.RemoveBackend();
}
} // namespace
} // namespace browser_sync
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