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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/test/fake_server_verifier.h"
#include <map>
#include <memory>
#include <set>
#include <utility>
#include <vector>
#include "base/json/json_writer.h"
#include "base/strings/string_util.h"
#include "components/sync/test/fake_server.h"
using base::JSONWriter;
using std::string;
using testing::AssertionFailure;
using testing::AssertionResult;
using testing::AssertionSuccess;
namespace fake_server {
namespace {
AssertionResult VerificationCountAssertionFailure(size_t actual_count,
size_t expected_count) {
return AssertionFailure() << "Actual count: " << actual_count << "; "
<< "Expected count: " << expected_count;
}
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();
}
string ConvertFakeServerContentsToString(const base::Value::Dict& 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() = default;
AssertionResult FakeServerVerifier::VerifyEntityCountByType(
size_t expected_count,
syncer::DataType data_type) const {
base::Value::Dict entities = fake_server_->GetEntitiesAsDictForTesting();
string data_type_string = DataTypeToDebugString(data_type);
const base::Value::List* entity_list = entities.FindList(data_type_string);
DCHECK(entity_list);
if (expected_count != entity_list->size()) {
return VerificationCountAssertionFailure(entity_list->size(),
expected_count)
<< "\n\n"
<< ConvertFakeServerContentsToString(entities);
}
return AssertionSuccess();
}
AssertionResult FakeServerVerifier::VerifyEntityCountByTypeAndName(
size_t expected_count,
syncer::DataType data_type,
const string& name) const {
base::Value::Dict entities = fake_server_->GetEntitiesAsDictForTesting();
string data_type_string = DataTypeToDebugString(data_type);
const base::Value::List* entity_list = entities.FindList(data_type_string);
DCHECK(entity_list);
size_t actual_count = 0;
base::Value name_value(name);
for (auto& entity : *entity_list) {
if (name_value == entity) {
actual_count++;
}
}
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_->GetSyncEntitiesByDataType(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 (const sync_pb::SyncEntity& entity : sessions) {
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 (session_tag.empty()) {
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()) {
const sync_pb::SessionTab& tab = session_specifics.tab();
const sync_pb::TabNavigation& nav =
tab.navigation(tab.current_navigation_index());
// Only read from tabs that have a title on their current navigation
// entry. This the result of an oddity around the timing of sessions
// related changes. Sometimes when opening a new window, the first
// navigation will be committed before the title has been set. Then a
// subsequent commit will go through for that same navigation. Because
// this logic is used to ensure synchronization, we are going to exclude
// partially omitted navigations. The full navigation should typically be
// committed in full immediately after we fail a check because of this.
if (nav.has_title()) {
tab_ids_to_window_ids[tab.tab_id()] = tab.window_id();
tab_ids_to_urls[tab.tab_id()] = nav.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;
for (const sync_pb::SessionWindow& window : session_header.window()) {
std::multiset<std::string> tab_urls;
for (int tab_id : window.tab()) {
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);
}
AssertionResult FakeServerVerifier::VerifyHistory(
const std::multiset<GURL>& expected_urls) {
std::vector<sync_pb::SyncEntity> history =
fake_server_->GetSyncEntitiesByDataType(syncer::HISTORY);
std::multiset<GURL> actual_urls;
for (const sync_pb::SyncEntity& entity : history) {
sync_pb::HistorySpecifics history_specifics = entity.specifics().history();
for (int i = 0; i < history_specifics.redirect_entries_size(); i++) {
actual_urls.emplace(history_specifics.redirect_entries(i).url());
}
}
if (expected_urls == actual_urls) {
return AssertionSuccess();
}
std::vector<std::string> actual;
for (const GURL& url : actual_urls) {
actual.push_back(url.spec());
}
std::vector<std::string> expected;
for (const GURL& url : expected_urls) {
expected.push_back(url.spec());
}
return AssertionFailure()
<< "Server history does not match! "
<< "FakeServer contents: " << base::JoinString(actual, ", ")
<< "; Expected contents: " << base::JoinString(expected, ", ");
}
} // namespace fake_server
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