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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/printing/print_servers_manager.h"
#include <map>
#include <memory>
#include <string>
#include "base/containers/flat_map.h"
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/task_environment.h"
#include "chrome/browser/ash/printing/enterprise/print_servers_provider.h"
#include "chrome/browser/ash/printing/server_printers_provider.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/prefs/pref_service.h"
#include "components/sync_preferences/testing_pref_service_syncable.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
namespace {
using ::chromeos::Printer;
using ::chromeos::PrinterClass;
class FakeServerPrintersProvider : public ServerPrintersProvider {
public:
FakeServerPrintersProvider() = default;
~FakeServerPrintersProvider() override = default;
void RegisterPrintersFoundCallback(OnPrintersUpdateCallback cb) override {}
void OnServersChanged(bool servers_are_complete,
const std::map<GURL, PrintServer>& servers) override {
std::vector<PrintServer> print_servers;
for (auto& server_pair : servers) {
print_servers.push_back(server_pair.second);
}
print_servers_ = print_servers;
}
std::vector<PrinterDetector::DetectedPrinter> GetPrinters() override {
std::vector<PrinterDetector::DetectedPrinter> printers;
return printers;
}
std::vector<PrintServer> GetPrintServers() { return print_servers_; }
private:
std::vector<PrintServer> print_servers_;
};
class FakePrintServersProvider : public PrintServersProvider {
public:
FakePrintServersProvider() = default;
~FakePrintServersProvider() override = default;
void AddObserver(Observer* observer) override { observer_ = observer; }
void RemoveObserver(Observer* observer) override { observer_ = nullptr; }
void SetData(std::unique_ptr<std::string> data) override {}
void SetAllowlistPref(PrefService* prefs,
const std::string& allowlist_pref) override {}
void ClearData() override {}
std::optional<std::vector<PrintServer>> GetPrintServers() override {
return print_servers_;
}
base::WeakPtr<PrintServersProvider> AsWeakPtr() override {
return weak_ptr_factory_.GetWeakPtr();
}
void SetPrintServers(std::optional<std::vector<PrintServer>> print_servers) {
print_servers_ = print_servers;
if (observer_) {
observer_->OnServersChanged(print_servers.has_value(),
print_servers.value());
}
}
private:
std::optional<std::vector<PrintServer>> print_servers_;
raw_ptr<PrintServersProvider::Observer> observer_ = nullptr;
base::WeakPtrFactory<FakePrintServersProvider> weak_ptr_factory_{this};
};
class PrintServersManagerTest : public testing::Test,
public PrintServersManager::Observer {
public:
PrintServersManagerTest() {
auto server_printers_provider =
std::make_unique<FakeServerPrintersProvider>();
server_printers_provider_ = server_printers_provider.get();
auto print_servers_policy_provider =
PrintServersPolicyProvider::CreateForTesting(
user_policy_print_servers_provider_.AsWeakPtr(),
device_policy_print_servers_provider_.AsWeakPtr());
PrintServersManager::RegisterProfilePrefs(pref_service_.registry());
manager_ = PrintServersManager::CreateForTesting(
std::move(server_printers_provider),
std::move(print_servers_policy_provider));
manager_->AddObserver(this);
}
~PrintServersManagerTest() override = default;
static PrintServer CreatePrintServer(std::string id,
std::string server_url,
std::string name) {
GURL url(server_url);
PrintServer print_server(id, url, name);
return print_server;
}
protected:
// Everything from PrintServersProvider must be called on Chrome_UIThread
content::BrowserTaskEnvironment task_environment_;
// Captured printer lists from observer callbacks.
base::flat_map<PrinterClass, std::vector<Printer>> observed_printers_;
raw_ptr<FakeServerPrintersProvider, DanglingUntriaged>
server_printers_provider_;
FakePrintServersProvider user_policy_print_servers_provider_;
FakePrintServersProvider device_policy_print_servers_provider_;
// PrefService used to register the |UserPrintersAllowed| pref and
// change its value for testing.
sync_preferences::TestingPrefServiceSyncable pref_service_;
// The manager being tested.
std::unique_ptr<PrintServersManager> manager_;
};
TEST_F(PrintServersManagerTest, GetServerPrinters_StandardMode) {
EXPECT_TRUE(server_printers_provider_->GetPrinters().empty());
std::vector<PrintServer> user_print_servers;
auto user_print_server =
CreatePrintServer("1", "http://192.168.1.5/user-printer", "LexaPrint");
user_print_servers.push_back(user_print_server);
user_policy_print_servers_provider_.SetPrintServers(user_print_servers);
std::vector<PrintServer> device_print_servers;
auto device_print_server = CreatePrintServer(
"2", "http://192.168.1.5/device-printer", "Color Laser");
device_print_servers.push_back(device_print_server);
device_policy_print_servers_provider_.SetPrintServers(device_print_servers);
EXPECT_THAT(
server_printers_provider_->GetPrintServers(),
testing::UnorderedElementsAre(user_print_server, device_print_server));
}
TEST_F(PrintServersManagerTest, GetServerPrinters_SingleServerOnly) {
EXPECT_TRUE(server_printers_provider_->GetPrinters().empty());
auto selected_print_server =
CreatePrintServer("user-1", "http://user-print-1", "User LexaPrint - 1");
std::vector<PrintServer> user_print_servers;
for (int i = 1; i <= 10; ++i) {
auto id = base::NumberToString(i);
auto print_server = CreatePrintServer(
"user-" + id, "http://user-print-" + id, "User LexaPrint - " + id);
user_print_servers.push_back(print_server);
}
user_policy_print_servers_provider_.SetPrintServers(user_print_servers);
std::vector<PrintServer> device_print_servers;
for (int i = 1; i <= 7; ++i) {
auto id = base::NumberToString(i);
auto print_server =
CreatePrintServer("device-" + id, "http://device-print-" + id,
"Device LexaPrint - " + id);
device_print_servers.push_back(print_server);
}
device_policy_print_servers_provider_.SetPrintServers(device_print_servers);
std::vector<std::string> ids;
ids.push_back(selected_print_server.GetId());
manager_->ChoosePrintServer(ids);
EXPECT_THAT(server_printers_provider_->GetPrintServers(),
testing::UnorderedElementsAre(selected_print_server));
}
} // namespace
} // namespace ash
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