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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 "content/browser/media/media_internals.h"
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
class MockObserverBaseClass {
public:
~MockObserverBaseClass() {}
virtual void OnUpdate(const string16& javascript) = 0;
};
class MockMediaInternalsObserver : public MockObserverBaseClass {
public:
virtual ~MockMediaInternalsObserver() {}
MOCK_METHOD1(OnUpdate, void(const string16& javascript));
};
} // namespace
class MediaInternalsTest : public testing::Test {
public:
MediaInternalsTest() : io_thread_(BrowserThread::IO, &loop_) {}
base::DictionaryValue* data() {
return &internals_->data_;
}
void DeleteItem(const std::string& item) {
internals_->DeleteItem(item);
}
void UpdateItem(const std::string& item, const std::string& property,
base::Value* value) {
internals_->UpdateItem("", item, property, value);
}
void SendUpdate(const std::string& function, base::Value* value) {
internals_->SendUpdate(function, value);
}
protected:
virtual void SetUp() {
internals_.reset(new MediaInternals());
}
MessageLoop loop_;
TestBrowserThread io_thread_;
scoped_ptr<MediaInternals> internals_;
};
TEST_F(MediaInternalsTest, UpdateAddsNewItem) {
UpdateItem("some.item", "testing", new base::FundamentalValue(true));
bool testing = false;
std::string id;
EXPECT_TRUE(data()->GetBoolean("some.item.testing", &testing));
EXPECT_TRUE(testing);
EXPECT_TRUE(data()->GetString("some.item.id", &id));
EXPECT_EQ(id, "some.item");
}
TEST_F(MediaInternalsTest, UpdateModifiesExistingItem) {
UpdateItem("some.item", "testing", new base::FundamentalValue(true));
UpdateItem("some.item", "value", new base::FundamentalValue(5));
UpdateItem("some.item", "testing", new base::FundamentalValue(false));
bool testing = true;
int value = 0;
std::string id;
EXPECT_TRUE(data()->GetBoolean("some.item.testing", &testing));
EXPECT_FALSE(testing);
EXPECT_TRUE(data()->GetInteger("some.item.value", &value));
EXPECT_EQ(value, 5);
EXPECT_TRUE(data()->GetString("some.item.id", &id));
EXPECT_EQ(id, "some.item");
}
TEST_F(MediaInternalsTest, ObserversReceiveNotifications) {
scoped_ptr<MockMediaInternalsObserver> observer(
new MockMediaInternalsObserver());
EXPECT_CALL(*observer.get(), OnUpdate(testing::_)).Times(1);
MediaInternals::UpdateCallback callback = base::Bind(
&MockMediaInternalsObserver::OnUpdate, base::Unretained(observer.get()));
internals_->AddUpdateCallback(callback);
SendUpdate("fn", data());
}
TEST_F(MediaInternalsTest, RemovedObserversReceiveNoNotifications) {
scoped_ptr<MockMediaInternalsObserver> observer(
new MockMediaInternalsObserver());
EXPECT_CALL(*observer.get(), OnUpdate(testing::_)).Times(0);
MediaInternals::UpdateCallback callback = base::Bind(
&MockMediaInternalsObserver::OnUpdate, base::Unretained(observer.get()));
internals_->AddUpdateCallback(callback);
internals_->RemoveUpdateCallback(callback);
SendUpdate("fn", data());
}
TEST_F(MediaInternalsTest, DeleteRemovesItem) {
base::Value* out;
UpdateItem("some.item", "testing", base::Value::CreateNullValue());
EXPECT_TRUE(data()->Get("some.item", &out));
EXPECT_TRUE(data()->Get("some", &out));
DeleteItem("some.item");
EXPECT_FALSE(data()->Get("some.item", &out));
EXPECT_TRUE(data()->Get("some", &out));
DeleteItem("some");
EXPECT_FALSE(data()->Get("some.item", &out));
EXPECT_FALSE(data()->Get("some", &out));
}
} // namespace content
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