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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/command_line.h"
#include "chrome/browser/extensions/api/mdns/mdns_api.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/media/router/test/mock_dns_sd_registry.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/test/browser_test.h"
#include "extensions/buildflags/buildflags.h"
#include "extensions/common/switches.h"
#include "extensions/test/result_catcher.h"
static_assert(BUILDFLAG(ENABLE_EXTENSIONS_CORE));
using media_router::DnsSdRegistry;
using ::testing::_;
using ::testing::A;
namespace api = extensions::api;
namespace {
class MDnsAPITest : public extensions::ExtensionApiTest {
public:
MDnsAPITest() = default;
void SetUpCommandLine(base::CommandLine* command_line) override {
extensions::ExtensionApiTest::SetUpCommandLine(command_line);
command_line->AppendSwitchASCII(
extensions::switches::kAllowlistedExtensionID,
"ddchlicdkolnonkihahngkmmmjnjlkkf");
}
void SetUpTestDnsSdRegistry() {
auto* api = extensions::MDnsAPI::Get(profile());
dns_sd_registry_ = std::make_unique<media_router::MockDnsSdRegistry>(api);
EXPECT_CALL(*dns_sd_registry_, AddObserver(api)).Times(1);
api->SetDnsSdRegistryForTesting(dns_sd_registry_.get());
}
void TearDownTestDnsSdRegistry() {
#if BUILDFLAG(IS_ANDROID)
// Android skips profile teardown during test shutdown, so we must manually
// shut down the KeyedService. Otherwise we can't EXPECT_CALL for functions
// called during cleanup. This can't be done in TearDownOnMainThread() as
// that occurs too late.
// TODO(crbug.com/431730098): Move this somewhere more centralized.
extensions::MDnsAPI::Get(profile())->Shutdown();
#endif
// Don't delete `dns_sd_registry_` yet because the tests expect calls that
// happen during the profile destruction phase.
}
protected:
std::unique_ptr<media_router::MockDnsSdRegistry> dns_sd_registry_;
};
} // namespace
// Test loading extension, registering an MDNS listener and dispatching events.
IN_PROC_BROWSER_TEST_F(MDnsAPITest, RegisterListener) {
const std::string& service_type = "_googlecast._tcp.local";
SetUpTestDnsSdRegistry();
EXPECT_CALL(*dns_sd_registry_, RegisterDnsSdListener(service_type)).Times(1);
EXPECT_CALL(*dns_sd_registry_, UnregisterDnsSdListener(service_type))
.Times(1);
EXPECT_CALL(*dns_sd_registry_,
RemoveObserver(A<DnsSdRegistry::DnsSdObserver*>()))
.Times(1);
EXPECT_TRUE(
RunExtensionTest("mdns/api", {.extension_url = "register_listener.html"}))
<< message_;
extensions::ResultCatcher catcher;
// Dispatch 3 events, one of which should not be sent to the test extension.
DnsSdRegistry::DnsSdServiceList services;
media_router::DnsSdService service;
service.service_name = service_type;
services.push_back(service);
dns_sd_registry_->DispatchMDnsEvent(service_type, services);
dns_sd_registry_->DispatchMDnsEvent("_uninteresting._tcp.local", services);
dns_sd_registry_->DispatchMDnsEvent(service_type, services);
EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
TearDownTestDnsSdRegistry();
}
// Test loading extension, registering an MDNS listener and dispatching events.
IN_PROC_BROWSER_TEST_F(MDnsAPITest, ForceDiscovery) {
const std::string& service_type = "_googlecast._tcp.local";
SetUpTestDnsSdRegistry();
EXPECT_CALL(*dns_sd_registry_, RegisterDnsSdListener(service_type)).Times(1);
EXPECT_CALL(*dns_sd_registry_, UnregisterDnsSdListener(service_type))
.Times(1);
EXPECT_CALL(*dns_sd_registry_, ResetAndDiscover()).Times(1);
EXPECT_CALL(*dns_sd_registry_,
RemoveObserver(A<DnsSdRegistry::DnsSdObserver*>()))
.Times(1);
EXPECT_TRUE(
RunExtensionTest("mdns/api", {.extension_url = "force_discovery.html"}))
<< message_;
extensions::ResultCatcher catcher;
DnsSdRegistry::DnsSdServiceList services;
media_router::DnsSdService service;
service.service_name = service_type;
services.push_back(service);
dns_sd_registry_->DispatchMDnsEvent(service_type, services);
EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
TearDownTestDnsSdRegistry();
}
// Test loading extension and registering multiple listeners.
IN_PROC_BROWSER_TEST_F(MDnsAPITest, RegisterMultipleListeners) {
const std::string& service_type = "_googlecast._tcp.local";
const std::string& test_service_type = "_testing._tcp.local";
SetUpTestDnsSdRegistry();
EXPECT_CALL(*dns_sd_registry_, RegisterDnsSdListener(service_type)).Times(1);
EXPECT_CALL(*dns_sd_registry_, UnregisterDnsSdListener(service_type))
.Times(1);
EXPECT_CALL(*dns_sd_registry_, RegisterDnsSdListener(test_service_type))
.Times(1);
EXPECT_CALL(*dns_sd_registry_, UnregisterDnsSdListener(test_service_type))
.Times(1);
EXPECT_CALL(*dns_sd_registry_,
RemoveObserver(A<DnsSdRegistry::DnsSdObserver*>()))
.Times(1);
EXPECT_TRUE(RunExtensionTest(
"mdns/api", {.extension_url = "register_multiple_listeners.html"}))
<< message_;
extensions::ResultCatcher catcher;
DnsSdRegistry::DnsSdServiceList services;
media_router::DnsSdService service;
service.service_name = service_type;
services.push_back(service);
dns_sd_registry_->DispatchMDnsEvent(service_type, services);
dns_sd_registry_->DispatchMDnsEvent(test_service_type, services);
EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
TearDownTestDnsSdRegistry();
}
// Test loading extension and registering multiple listeners.
IN_PROC_BROWSER_TEST_F(MDnsAPITest, RegisterTooManyListeners) {
SetUpTestDnsSdRegistry();
EXPECT_CALL(*dns_sd_registry_, RegisterDnsSdListener(_)).Times(10);
EXPECT_CALL(*dns_sd_registry_, UnregisterDnsSdListener(_)).Times(10);
EXPECT_CALL(*dns_sd_registry_,
RemoveObserver(A<DnsSdRegistry::DnsSdObserver*>()))
.Times(1);
EXPECT_TRUE(RunExtensionTest("mdns/too_many_listeners")) << message_;
TearDownTestDnsSdRegistry();
}
// Test loading extension and registering multiple listeners.
IN_PROC_BROWSER_TEST_F(MDnsAPITest, MaxServiceInstancesPerEventConst) {
EXPECT_TRUE(RunExtensionTest(
"mdns/api", {.extension_url = "get_max_service_instances.html"}));
}
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