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// Copyright (c) 2009 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/sessions/sync_session.h"
#include "chrome/browser/sync/engine/conflict_resolver.h"
#include "chrome/browser/sync/engine/syncer_types.h"
#include "chrome/browser/sync/engine/syncer_util.h"
#include "chrome/browser/sync/syncable/directory_manager.h"
#include "chrome/browser/sync/syncable/syncable.h"
#include "chrome/test/sync/engine/test_directory_setter_upper.h"
#include "testing/gtest/include/gtest/gtest.h"
using syncable::WriteTransaction;
namespace browser_sync {
namespace sessions {
namespace {
class SyncSessionTest : public testing::Test,
public SyncSession::Delegate {
public:
SyncSessionTest() : controller_invocations_allowed_(false) {}
virtual void SetUp() {
context_.reset(new SyncSessionContext(NULL, NULL, NULL));
session_.reset(new SyncSession(context_.get(), this));
}
virtual void TearDown() {
session_.reset();
context_.reset();
}
virtual void OnSilencedUntil(const base::TimeTicks& silenced_until) {
FailControllerInvocationIfDisabled("OnSilencedUntil");
}
virtual bool IsSyncingCurrentlySilenced() {
FailControllerInvocationIfDisabled("IsSyncingCurrentlySilenced");
return false;
}
virtual void OnReceivedLongPollIntervalUpdate(
const base::TimeDelta& new_interval) {
FailControllerInvocationIfDisabled("OnReceivedLongPollIntervalUpdate");
}
virtual void OnReceivedShortPollIntervalUpdate(
const base::TimeDelta& new_interval) {
FailControllerInvocationIfDisabled("OnReceivedShortPollIntervalUpdate");
}
StatusController* status() { return session_->status_controller(); }
protected:
void FailControllerInvocationIfDisabled(const std::string& msg) {
if (!controller_invocations_allowed_)
FAIL() << msg;
}
bool controller_invocations_allowed_;
scoped_ptr<SyncSession> session_;
scoped_ptr<SyncSessionContext> context_;
};
TEST_F(SyncSessionTest, ScopedContextHelpers) {
ConflictResolver resolver;
SyncerEventChannel* channel = new SyncerEventChannel(
SyncerEvent(SyncerEvent::SHUTDOWN_USE_WITH_CARE));
EXPECT_FALSE(context_->resolver());
EXPECT_FALSE(context_->syncer_event_channel());
{
ScopedSessionContextConflictResolver s_resolver(context_.get(), &resolver);
ScopedSessionContextSyncerEventChannel s_channel(context_.get(), channel);
EXPECT_EQ(&resolver, context_->resolver());
EXPECT_EQ(channel, context_->syncer_event_channel());
}
EXPECT_FALSE(context_->resolver());
EXPECT_FALSE(context_->syncer_event_channel());
}
TEST_F(SyncSessionTest, SetWriteTransaction) {
TestDirectorySetterUpper db;
db.SetUp();
session_.reset(NULL);
context_.reset(new SyncSessionContext(NULL, db.manager(), NULL));
session_.reset(new SyncSession(context_.get(), this));
context_->set_account_name(db.name());
syncable::ScopedDirLookup dir(context_->directory_manager(),
context_->account_name());
ASSERT_TRUE(dir.good());
SyncSession session(context_.get(), this);
EXPECT_TRUE(NULL == session.write_transaction());
{
WriteTransaction trans(dir, syncable::UNITTEST, __FILE__, __LINE__);
sessions::ScopedSetSessionWriteTransaction set_trans(&session, &trans);
EXPECT_TRUE(&trans == session.write_transaction());
}
db.TearDown();
}
TEST_F(SyncSessionTest, MoreToSyncIfUnsyncedGreaterThanCommitted) {
// If any forward progress was made during the session, and the number of
// unsynced handles still exceeds the number of commit ids we added, there is
// more to sync. For example, this occurs if we had more commit ids
// than could fit in a single commit batch.
EXPECT_FALSE(session_->HasMoreToSync());
std::vector<syncable::Id> commit_ids;
commit_ids.push_back(syncable::Id());
status()->set_commit_ids(commit_ids);
EXPECT_FALSE(session_->HasMoreToSync());
std::vector<int64> unsynced_handles;
unsynced_handles.push_back(1);
unsynced_handles.push_back(2);
status()->set_unsynced_handles(unsynced_handles);
EXPECT_FALSE(session_->HasMoreToSync());
status()->increment_num_successful_commits();
EXPECT_TRUE(session_->HasMoreToSync());
status()->ResetTransientState();
EXPECT_FALSE(session_->HasMoreToSync());
}
TEST_F(SyncSessionTest, MoreToSyncIfConflictSetsBuilt) {
// If we built conflict sets, then we need to loop back and try
// to get updates & commit again.
status()->set_conflict_sets_built(true);
EXPECT_TRUE(session_->HasMoreToSync());
status()->ResetTransientState();
EXPECT_FALSE(session_->HasMoreToSync());
}
TEST_F(SyncSessionTest, MoreToSyncIfDidNotGetZeroUpdates) {
// We're not done getting updates until we get an empty response.
ClientToServerResponse response;
response.mutable_get_updates()->add_entries();
status()->mutable_updates_response()->CopyFrom(response);
EXPECT_TRUE(session_->HasMoreToSync());
status()->mutable_updates_response()->Clear();
EXPECT_FALSE(session_->HasMoreToSync());
status()->mutable_updates_response()->CopyFrom(response);
EXPECT_TRUE(session_->HasMoreToSync());
status()->ResetTransientState();
EXPECT_FALSE(session_->HasMoreToSync());
}
TEST_F(SyncSessionTest, MoreToSyncIfConflictsResolved) {
// Conflict resolution happens after get updates and commit,
// so we need to loop back and get updates / commit again now
// that we have made forward progress.
status()->set_conflicts_resolved(true);
EXPECT_TRUE(session_->HasMoreToSync());
status()->ResetTransientState();
EXPECT_FALSE(session_->HasMoreToSync());
}
TEST_F(SyncSessionTest, MoreToSyncIfTimestampDirty) {
// If there are more changes on the server that weren't processed during this
// GetUpdates request, the client should send another GetUpdates request and
// use new_timestamp as the from_timestamp value within GetUpdatesMessage.
status()->set_timestamp_dirty(true);
status()->set_conflicts_resolved(true);
EXPECT_TRUE(session_->HasMoreToSync());
status()->ResetTransientState();
EXPECT_FALSE(session_->HasMoreToSync());
}
} // namespace
} // namespace sessions
} // namespace browser_sync
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