chromium/net/dns/test_dns_config_service.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_DNS_TEST_DNS_CONFIG_SERVICE_H_
#define NET_DNS_TEST_DNS_CONFIG_SERVICE_H_

#include <memory>
#include <optional>
#include <utility>

#include "base/check.h"
#include "base/functional/callback.h"
#include "net/base/net_export.h"
#include "net/dns/dns_config_service.h"

namespace net {

class DnsHostsParser;

// Simple test implementation of DnsConfigService that will trigger
// notifications only on explicitly calling On...() methods.
class NET_EXPORT_PRIVATE TestDnsConfigService : public DnsConfigService { … };

// Test implementation of `DnsConfigService` that exercises the
// `DnsConfigService::HostsReader`. Uses an injected `DnsHostsParser`. `Watcher`
// change notifications are simulated using `TriggerHostsChangeNotification()`.
class NET_EXPORT_PRIVATE HostsReadingTestDnsConfigService
    : public TestDnsConfigService { … };

}  // namespace net

#endif  // NET_DNS_TEST_DNS_CONFIG_SERVICE_H_