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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 <string>
#include "base/message_loop/message_loop.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/browser/appcache/appcache.h"
#include "webkit/browser/appcache/appcache_group.h"
#include "webkit/browser/appcache/appcache_host.h"
#include "webkit/browser/appcache/appcache_update_job.h"
#include "webkit/browser/appcache/mock_appcache_service.h"
#include "webkit/common/appcache/appcache_interfaces.h"
namespace {
class TestAppCacheFrontend : public appcache::AppCacheFrontend {
public:
TestAppCacheFrontend()
: last_host_id_(-1), last_cache_id_(-1),
last_status_(appcache::OBSOLETE) {
}
virtual void OnCacheSelected(
int host_id, const appcache::AppCacheInfo& info) OVERRIDE {
last_host_id_ = host_id;
last_cache_id_ = info.cache_id;
last_status_ = info.status;
}
virtual void OnStatusChanged(const std::vector<int>& host_ids,
appcache::Status status) OVERRIDE {
}
virtual void OnEventRaised(const std::vector<int>& host_ids,
appcache::EventID event_id) OVERRIDE {
}
virtual void OnErrorEventRaised(const std::vector<int>& host_ids,
const std::string& message) OVERRIDE {
}
virtual void OnProgressEventRaised(const std::vector<int>& host_ids,
const GURL& url,
int num_total, int num_complete) OVERRIDE {
}
virtual void OnLogMessage(int host_id, appcache::LogLevel log_level,
const std::string& message) OVERRIDE {
}
virtual void OnContentBlocked(int host_id,
const GURL& manifest_url) OVERRIDE {
}
int last_host_id_;
int64 last_cache_id_;
appcache::Status last_status_;
};
} // namespace anon
namespace appcache {
class TestUpdateObserver : public AppCacheGroup::UpdateObserver {
public:
TestUpdateObserver() : update_completed_(false), group_has_cache_(false) {
}
virtual void OnUpdateComplete(AppCacheGroup* group) OVERRIDE {
update_completed_ = true;
group_has_cache_ = group->HasCache();
}
virtual void OnContentBlocked(AppCacheGroup* group) {
}
bool update_completed_;
bool group_has_cache_;
};
class TestAppCacheHost : public AppCacheHost {
public:
TestAppCacheHost(int host_id, AppCacheFrontend* frontend,
AppCacheService* service)
: AppCacheHost(host_id, frontend, service),
update_completed_(false) {
}
virtual void OnUpdateComplete(AppCacheGroup* group) OVERRIDE {
update_completed_ = true;
}
bool update_completed_;
};
class AppCacheGroupTest : public testing::Test {
private:
base::MessageLoop message_loop_;
};
TEST_F(AppCacheGroupTest, AddRemoveCache) {
MockAppCacheService service;
scoped_refptr<AppCacheGroup> group(
new AppCacheGroup(service.storage(), GURL("http://foo.com"), 111));
base::Time now = base::Time::Now();
scoped_refptr<AppCache> cache1(new AppCache(service.storage(), 111));
cache1->set_complete(true);
cache1->set_update_time(now);
group->AddCache(cache1.get());
EXPECT_EQ(cache1, group->newest_complete_cache());
// Adding older cache does not change newest complete cache.
scoped_refptr<AppCache> cache2(new AppCache(service.storage(), 222));
cache2->set_complete(true);
cache2->set_update_time(now - base::TimeDelta::FromDays(1));
group->AddCache(cache2.get());
EXPECT_EQ(cache1, group->newest_complete_cache());
// Adding newer cache does change newest complete cache.
scoped_refptr<AppCache> cache3(new AppCache(service.storage(), 333));
cache3->set_complete(true);
cache3->set_update_time(now + base::TimeDelta::FromDays(1));
group->AddCache(cache3.get());
EXPECT_EQ(cache3, group->newest_complete_cache());
// Adding cache with same update time uses one with larger ID.
scoped_refptr<AppCache> cache4(new AppCache(service.storage(), 444));
cache4->set_complete(true);
cache4->set_update_time(now + base::TimeDelta::FromDays(1)); // same as 3
group->AddCache(cache4.get());
EXPECT_EQ(cache4, group->newest_complete_cache());
// smaller id
scoped_refptr<AppCache> cache5(new AppCache(service.storage(), 55));
cache5->set_complete(true);
cache5->set_update_time(now + base::TimeDelta::FromDays(1)); // same as 4
group->AddCache(cache5.get());
EXPECT_EQ(cache4, group->newest_complete_cache()); // no change
// Old caches can always be removed.
group->RemoveCache(cache1.get());
EXPECT_FALSE(cache1->owning_group());
EXPECT_EQ(cache4, group->newest_complete_cache()); // newest unchanged
// Remove rest of caches.
group->RemoveCache(cache2.get());
EXPECT_FALSE(cache2->owning_group());
EXPECT_EQ(cache4, group->newest_complete_cache()); // newest unchanged
group->RemoveCache(cache3.get());
EXPECT_FALSE(cache3->owning_group());
EXPECT_EQ(cache4, group->newest_complete_cache()); // newest unchanged
group->RemoveCache(cache5.get());
EXPECT_FALSE(cache5->owning_group());
EXPECT_EQ(cache4, group->newest_complete_cache()); // newest unchanged
group->RemoveCache(cache4.get()); // newest removed
EXPECT_FALSE(cache4->owning_group());
EXPECT_FALSE(group->newest_complete_cache()); // no more newest cache
// Can remove newest cache if there are older caches.
group->AddCache(cache1.get());
EXPECT_EQ(cache1, group->newest_complete_cache());
group->AddCache(cache4.get());
EXPECT_EQ(cache4, group->newest_complete_cache());
group->RemoveCache(cache4.get()); // remove newest
EXPECT_FALSE(cache4->owning_group());
EXPECT_FALSE(group->newest_complete_cache()); // newest removed
}
TEST_F(AppCacheGroupTest, CleanupUnusedGroup) {
MockAppCacheService service;
TestAppCacheFrontend frontend;
AppCacheGroup* group =
new AppCacheGroup(service.storage(), GURL("http://foo.com"), 111);
AppCacheHost host1(1, &frontend, &service);
AppCacheHost host2(2, &frontend, &service);
base::Time now = base::Time::Now();
AppCache* cache1 = new AppCache(service.storage(), 111);
cache1->set_complete(true);
cache1->set_update_time(now);
group->AddCache(cache1);
EXPECT_EQ(cache1, group->newest_complete_cache());
host1.AssociateCompleteCache(cache1);
EXPECT_EQ(frontend.last_host_id_, host1.host_id());
EXPECT_EQ(frontend.last_cache_id_, cache1->cache_id());
EXPECT_EQ(frontend.last_status_, appcache::IDLE);
host2.AssociateCompleteCache(cache1);
EXPECT_EQ(frontend.last_host_id_, host2.host_id());
EXPECT_EQ(frontend.last_cache_id_, cache1->cache_id());
EXPECT_EQ(frontend.last_status_, appcache::IDLE);
AppCache* cache2 = new AppCache(service.storage(), 222);
cache2->set_complete(true);
cache2->set_update_time(now + base::TimeDelta::FromDays(1));
group->AddCache(cache2);
EXPECT_EQ(cache2, group->newest_complete_cache());
// Unassociate all hosts from older cache.
host1.AssociateNoCache(GURL());
host2.AssociateNoCache(GURL());
EXPECT_EQ(frontend.last_host_id_, host2.host_id());
EXPECT_EQ(frontend.last_cache_id_, appcache::kNoCacheId);
EXPECT_EQ(frontend.last_status_, appcache::UNCACHED);
}
TEST_F(AppCacheGroupTest, StartUpdate) {
MockAppCacheService service;
scoped_refptr<AppCacheGroup> group(
new AppCacheGroup(service.storage(), GURL("http://foo.com"), 111));
// Set state to checking to prevent update job from executing fetches.
group->update_status_ = AppCacheGroup::CHECKING;
group->StartUpdate();
AppCacheUpdateJob* update = group->update_job_;
EXPECT_TRUE(update != NULL);
// Start another update, check that same update job is in use.
group->StartUpdateWithHost(NULL);
EXPECT_EQ(update, group->update_job_);
// Deleting the update should restore the group to IDLE.
delete update;
EXPECT_TRUE(group->update_job_ == NULL);
EXPECT_EQ(AppCacheGroup::IDLE, group->update_status());
}
TEST_F(AppCacheGroupTest, CancelUpdate) {
MockAppCacheService service;
scoped_refptr<AppCacheGroup> group(
new AppCacheGroup(service.storage(), GURL("http://foo.com"), 111));
// Set state to checking to prevent update job from executing fetches.
group->update_status_ = AppCacheGroup::CHECKING;
group->StartUpdate();
AppCacheUpdateJob* update = group->update_job_;
EXPECT_TRUE(update != NULL);
// Deleting the group should cancel the update.
TestUpdateObserver observer;
group->AddUpdateObserver(&observer);
group = NULL; // causes group to be deleted
EXPECT_TRUE(observer.update_completed_);
EXPECT_FALSE(observer.group_has_cache_);
}
TEST_F(AppCacheGroupTest, QueueUpdate) {
MockAppCacheService service;
scoped_refptr<AppCacheGroup> group(
new AppCacheGroup(service.storage(), GURL("http://foo.com"), 111));
// Set state to checking to prevent update job from executing fetches.
group->update_status_ = AppCacheGroup::CHECKING;
group->StartUpdate();
EXPECT_TRUE(group->update_job_);
// Pretend group's update job is terminating so that next update is queued.
group->update_job_->internal_state_ = AppCacheUpdateJob::REFETCH_MANIFEST;
EXPECT_TRUE(group->update_job_->IsTerminating());
TestAppCacheFrontend frontend;
TestAppCacheHost host(1, &frontend, &service);
host.new_master_entry_url_ = GURL("http://foo.com/bar.txt");
group->StartUpdateWithNewMasterEntry(&host, host.new_master_entry_url_);
EXPECT_FALSE(group->queued_updates_.empty());
group->AddUpdateObserver(&host);
EXPECT_FALSE(group->FindObserver(&host, group->observers_));
EXPECT_TRUE(group->FindObserver(&host, group->queued_observers_));
// Delete update to cause it to complete. Verify no update complete notice
// sent to host.
delete group->update_job_;
EXPECT_EQ(AppCacheGroup::IDLE, group->update_status_);
EXPECT_FALSE(group->restart_update_task_.IsCancelled());
EXPECT_FALSE(host.update_completed_);
// Start another update. Cancels task and will run queued updates.
group->update_status_ = AppCacheGroup::CHECKING; // prevent actual fetches
group->StartUpdate();
EXPECT_TRUE(group->update_job_);
EXPECT_TRUE(group->restart_update_task_.IsCancelled());
EXPECT_TRUE(group->queued_updates_.empty());
EXPECT_FALSE(group->update_job_->pending_master_entries_.empty());
EXPECT_FALSE(group->FindObserver(&host, group->queued_observers_));
EXPECT_TRUE(group->FindObserver(&host, group->observers_));
// Delete update to cause it to complete. Verify host is notified.
delete group->update_job_;
EXPECT_EQ(AppCacheGroup::IDLE, group->update_status_);
EXPECT_TRUE(group->restart_update_task_.IsCancelled());
EXPECT_TRUE(host.update_completed_);
}
} // namespace appcache
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