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// Copyright 2014 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 "sync/test/fake_server/fake_server_verifier.h"
#include "base/json/json_writer.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "sync/internal_api/public/base/model_type.h"
#include "sync/test/fake_server/fake_server.h"
#include "sync/test/fake_server/sessions_hierarchy.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::JSONWriter;
using std::string;
using testing::AssertionFailure;
using testing::AssertionResult;
using testing::AssertionSuccess;
namespace fake_server {
namespace {
AssertionResult DictionaryCreationAssertionFailure() {
return AssertionFailure() << "FakeServer failed to create an entities "
<< "dictionary.";
}
AssertionResult VerificationCountAssertionFailure(size_t actual_count,
size_t expected_count) {
return AssertionFailure() << "Actual count: " << actual_count << "; "
<< "Expected count: " << expected_count;
}
AssertionResult UnknownTypeAssertionFailure(const string& model_type) {
return AssertionFailure() << "Verification not attempted. Unknown ModelType: "
<< model_type;
}
AssertionResult VerifySessionsHierarchyEquality(
const SessionsHierarchy& expected,
const SessionsHierarchy& actual) {
if (expected.Equals(actual))
return AssertionSuccess() << "Sessions hierarchies are equal.";
return AssertionFailure() << "Sessions hierarchies are not equal. "
<< "FakeServer contents: " << actual.ToString()
<< "; Expected contents: " << expected.ToString();
}
// Caller maintains ownership of |entities|.
string ConvertFakeServerContentsToString(
const base::DictionaryValue& entities) {
string entities_str;
if (!JSONWriter::WriteWithOptions(entities, JSONWriter::OPTIONS_PRETTY_PRINT,
&entities_str)) {
entities_str = "Could not convert FakeServer contents to string.";
}
return "FakeServer contents:\n" + entities_str;
}
} // namespace
FakeServerVerifier::FakeServerVerifier(FakeServer* fake_server)
: fake_server_(fake_server) { }
FakeServerVerifier::~FakeServerVerifier() {}
AssertionResult FakeServerVerifier::VerifyEntityCountByType(
size_t expected_count,
syncer::ModelType model_type) const {
scoped_ptr<base::DictionaryValue> entities =
fake_server_->GetEntitiesAsDictionaryValue();
if (!entities.get()) {
return DictionaryCreationAssertionFailure();
}
string model_type_string = ModelTypeToString(model_type);
base::ListValue* entity_list = NULL;
if (!entities->GetList(model_type_string, &entity_list)) {
return UnknownTypeAssertionFailure(model_type_string);
} else if (expected_count != entity_list->GetSize()) {
return VerificationCountAssertionFailure(entity_list->GetSize(),
expected_count)
<< "\n\n"
<< ConvertFakeServerContentsToString(*entities);
}
return AssertionSuccess();
}
AssertionResult FakeServerVerifier::VerifyEntityCountByTypeAndName(
size_t expected_count,
syncer::ModelType model_type,
const string& name) const {
scoped_ptr<base::DictionaryValue> entities =
fake_server_->GetEntitiesAsDictionaryValue();
if (!entities.get()) {
return DictionaryCreationAssertionFailure();
}
string model_type_string = ModelTypeToString(model_type);
base::ListValue* entity_list = NULL;
size_t actual_count = 0;
if (entities->GetList(model_type_string, &entity_list)) {
scoped_ptr<base::Value> name_value(new base::StringValue(name));
for (base::ListValue::const_iterator it = entity_list->begin();
it != entity_list->end(); ++it) {
if (name_value->Equals(*it)) {
actual_count++;
}
}
}
if (!entity_list) {
return UnknownTypeAssertionFailure(model_type_string);
} else if (actual_count != expected_count) {
return VerificationCountAssertionFailure(actual_count, expected_count)
<< "; Name: "
<< name
<< "\n\n"
<< ConvertFakeServerContentsToString(*entities);
}
return AssertionSuccess();
}
AssertionResult FakeServerVerifier::VerifySessions(
const SessionsHierarchy& expected_sessions) {
std::vector<sync_pb::SyncEntity> sessions =
fake_server_->GetSyncEntitiesByModelType(syncer::SESSIONS);
// Look for the sessions entity containing a SessionHeader and cache all tab
// IDs/URLs. These will be used later to construct a SessionsHierarchy.
sync_pb::SessionHeader session_header;
std::map<int, int> tab_ids_to_window_ids;
std::map<int, std::string> tab_ids_to_urls;
std::string session_tag;
for (std::vector<sync_pb::SyncEntity>::const_iterator it = sessions.begin();
it != sessions.end(); ++it) {
sync_pb::SyncEntity entity = *it;
sync_pb::SessionSpecifics session_specifics = entity.specifics().session();
// Ensure that all session tags match the first entity. Only one session is
// supported for verification at this time.
if (it == sessions.begin())
session_tag = session_specifics.session_tag();
else if (session_specifics.session_tag() != session_tag)
return AssertionFailure() << "Multiple session tags found.";
if (session_specifics.has_header()) {
session_header = session_specifics.header();
} else if (session_specifics.has_tab()) {
sync_pb::SessionTab tab = session_specifics.tab();
tab_ids_to_window_ids[tab.tab_id()] = tab.window_id();
tab_ids_to_urls[tab.tab_id()] =
tab.navigation(tab.current_navigation_index()).virtual_url();
}
}
// Create a SessionsHierarchy from the cached SyncEntity data. This loop over
// the SessionHeader also ensures its data corresponds to the data stored in
// each SessionTab.
SessionsHierarchy actual_sessions;
::google::protobuf::RepeatedPtrField<sync_pb::SessionWindow>::const_iterator
window_it;
for (window_it = session_header.window().begin();
window_it != session_header.window().end(); ++window_it) {
sync_pb::SessionWindow window = *window_it;
std::multiset<std::string> tab_urls;
::google::protobuf::RepeatedField<int>::const_iterator tab_it;
for (tab_it = window.tab().begin(); tab_it != window.tab().end();
++tab_it) {
int tab_id = *tab_it;
if (tab_ids_to_window_ids.find(tab_id) == tab_ids_to_window_ids.end()) {
return AssertionFailure() << "Malformed data: Tab entity not found.";
}
tab_urls.insert(tab_ids_to_urls[tab_id]);
}
actual_sessions.AddWindow(tab_urls);
}
return VerifySessionsHierarchyEquality(expected_sessions, actual_sessions);
}
} // namespace fake_server
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