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#include <utility>
#include "gtest/gtest.h"
#include "nsServiceManagerUtils.h"
#include "../../../xpcom/threads/nsThreadManager.h"
#include "nsIDHCPClient.h"
#include "nsIPrefBranch.h"
#include "nsComponentManager.h"
#include "nsIPrefService.h"
#include "nsNetCID.h"
#include "mozilla/ModuleUtils.h"
#include "mozilla/GenericFactory.h"
#include "../../base/nsPACMan.h"
#define TEST_WPAD_DHCP_OPTION "http://pac/pac.dat"
#define TEST_ASSIGNED_PAC_URL "http://assignedpac/pac.dat"
#define WPAD_PREF 4
#define NETWORK_PROXY_TYPE_PREF_NAME "network.proxy.type"
#define GETTING_NETWORK_PROXY_TYPE_FAILED (-1)
nsCString WPADOptionResult;
namespace mozilla {
namespace net {
nsresult SetNetworkProxyType(int32_t pref) {
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (!prefs) {
return NS_ERROR_FACTORY_NOT_REGISTERED;
}
return prefs->SetIntPref(NETWORK_PROXY_TYPE_PREF_NAME, pref);
}
nsresult GetNetworkProxyType(int32_t* pref) {
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (!prefs) {
return NS_ERROR_FACTORY_NOT_REGISTERED;
}
return prefs->GetIntPref(NETWORK_PROXY_TYPE_PREF_NAME, pref);
}
class nsTestDHCPClient final : public nsIDHCPClient {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIDHCPCLIENT
nsTestDHCPClient() = default;
nsresult Init() { return NS_OK; };
private:
~nsTestDHCPClient() = default;
};
NS_IMETHODIMP
nsTestDHCPClient::GetOption(uint8_t option, nsACString& _retval) {
_retval.Assign(WPADOptionResult);
return NS_OK;
}
NS_IMPL_ISUPPORTS(nsTestDHCPClient, nsIDHCPClient)
#define NS_TESTDHCPCLIENTSERVICE_CID /* {FEBF1D69-4D7D-4891-9524-045AD18B5593} \
*/ \
{ \
0xFEBF1D69, 0x4D7D, 0x4891, { \
0x95, 0x24, 0x04, 0x5a, 0xd1, 0x8b, 0x55, 0x93 \
} \
}
NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsTestDHCPClient, Init)
NS_DEFINE_NAMED_CID(NS_TESTDHCPCLIENTSERVICE_CID);
void SetOptionResult(const char* result) { WPADOptionResult.Assign(result); }
class ProcessPendingEventsAction final : public Runnable {
public:
ProcessPendingEventsAction() : Runnable("net::ProcessPendingEventsAction") {}
NS_IMETHOD
Run() override {
if (NS_HasPendingEvents(nullptr)) {
NS_WARNING("Found pending requests on PAC thread");
nsresult rv;
rv = NS_ProcessPendingEvents(nullptr);
EXPECT_EQ(NS_OK, rv);
}
NS_WARNING("No pending requests on PAC thread");
return NS_OK;
}
};
class TestPACMan : public ::testing::Test {
protected:
RefPtr<nsPACMan> mPACMan;
void ProcessAllEvents() {
ProcessPendingEventsOnPACThread();
nsresult rv;
while (NS_HasPendingEvents(nullptr)) {
NS_WARNING("Pending events on main thread");
rv = NS_ProcessPendingEvents(nullptr);
ASSERT_EQ(NS_OK, rv);
ProcessPendingEventsOnPACThread();
}
NS_WARNING("End of pending events on main thread");
}
// This method is used to ensure that all pending events on the main thread
// and the Proxy thread are processsed.
// It iterates over ProcessAllEvents because simply calling ProcessAllEvents
// once did not reliably process the events on both threads on all platforms.
void ProcessAllEventsTenTimes() {
for (int i = 0; i < 10; i++) {
ProcessAllEvents();
}
}
virtual void SetUp() {
ASSERT_EQ(NS_OK, GetNetworkProxyType(&originalNetworkProxyTypePref));
nsCOMPtr<nsIFactory> factory;
nsresult rv = nsComponentManagerImpl::gComponentManager->GetClassObject(
kNS_TESTDHCPCLIENTSERVICE_CID, NS_GET_IID(nsIFactory),
getter_AddRefs(factory));
if (NS_SUCCEEDED(rv) && factory) {
rv = nsComponentManagerImpl::gComponentManager->UnregisterFactory(
kNS_TESTDHCPCLIENTSERVICE_CID, factory);
ASSERT_EQ(NS_OK, rv);
}
factory = new mozilla::GenericFactory(nsTestDHCPClientConstructor);
nsComponentManagerImpl::gComponentManager->RegisterFactory(
kNS_TESTDHCPCLIENTSERVICE_CID, "nsTestDHCPClient",
NS_DHCPCLIENT_CONTRACTID, factory);
mPACMan = new nsPACMan(nullptr);
mPACMan->SetWPADOverDHCPEnabled(true);
mPACMan->Init(nullptr);
ASSERT_EQ(NS_OK, SetNetworkProxyType(WPAD_PREF));
}
virtual void TearDown() {
mPACMan->Shutdown();
if (originalNetworkProxyTypePref != GETTING_NETWORK_PROXY_TYPE_FAILED) {
ASSERT_EQ(NS_OK, SetNetworkProxyType(originalNetworkProxyTypePref));
}
}
nsCOMPtr<nsIDHCPClient> GetPACManDHCPCient() { return mPACMan->mDHCPClient; }
void SetPACManDHCPCient(nsCOMPtr<nsIDHCPClient> aValue) {
mPACMan->mDHCPClient = std::move(aValue);
}
void AssertPACSpecEqualTo(const char* aExpected) {
ASSERT_STREQ(aExpected, mPACMan->mPACURISpec.Data());
}
private:
int32_t originalNetworkProxyTypePref = GETTING_NETWORK_PROXY_TYPE_FAILED;
void ProcessPendingEventsOnPACThread() {
RefPtr<ProcessPendingEventsAction> action =
new ProcessPendingEventsAction();
mPACMan->DispatchToPAC(action.forget(), /*aSync =*/true);
}
};
TEST_F(TestPACMan, TestCreateDHCPClientAndGetOption) {
SetOptionResult(TEST_WPAD_DHCP_OPTION);
nsCString spec;
GetPACManDHCPCient()->GetOption(252, spec);
ASSERT_STREQ(TEST_WPAD_DHCP_OPTION, spec.Data());
}
TEST_F(TestPACMan, TestCreateDHCPClientAndGetEmptyOption) {
SetOptionResult("");
nsCString spec;
spec.AssignLiteral(TEST_ASSIGNED_PAC_URL);
GetPACManDHCPCient()->GetOption(252, spec);
ASSERT_TRUE(spec.IsEmpty());
}
TEST_F(TestPACMan,
WhenTheDHCPClientExistsAndDHCPIsNonEmptyDHCPOptionIsUsedAsPACUri) {
SetOptionResult(TEST_WPAD_DHCP_OPTION);
mPACMan->LoadPACFromURI(""_ns);
ProcessAllEventsTenTimes();
ASSERT_STREQ(TEST_WPAD_DHCP_OPTION, WPADOptionResult.Data());
AssertPACSpecEqualTo(TEST_WPAD_DHCP_OPTION);
}
TEST_F(TestPACMan, WhenTheDHCPResponseIsEmptyWPADDefaultsToStandardURL) {
SetOptionResult(""_ns.Data());
mPACMan->LoadPACFromURI(""_ns);
ASSERT_TRUE(NS_HasPendingEvents(nullptr));
ProcessAllEventsTenTimes();
ASSERT_STREQ("", WPADOptionResult.Data());
AssertPACSpecEqualTo("http://wpad/wpad.dat");
}
TEST_F(TestPACMan, WhenThereIsNoDHCPClientWPADDefaultsToStandardURL) {
SetOptionResult(TEST_WPAD_DHCP_OPTION);
SetPACManDHCPCient(nullptr);
mPACMan->LoadPACFromURI(""_ns);
ProcessAllEventsTenTimes();
ASSERT_STREQ(TEST_WPAD_DHCP_OPTION, WPADOptionResult.Data());
AssertPACSpecEqualTo("http://wpad/wpad.dat");
}
TEST_F(TestPACMan, WhenWPADOverDHCPIsPreffedOffWPADDefaultsToStandardURL) {
SetOptionResult(TEST_WPAD_DHCP_OPTION);
mPACMan->SetWPADOverDHCPEnabled(false);
mPACMan->LoadPACFromURI(""_ns);
ProcessAllEventsTenTimes();
ASSERT_STREQ(TEST_WPAD_DHCP_OPTION, WPADOptionResult.Data());
AssertPACSpecEqualTo("http://wpad/wpad.dat");
}
TEST_F(TestPACMan, WhenPACUriIsSetDirectlyItIsUsedRatherThanWPAD) {
SetOptionResult(TEST_WPAD_DHCP_OPTION);
nsCString spec;
spec.AssignLiteral(TEST_ASSIGNED_PAC_URL);
mPACMan->LoadPACFromURI(spec);
ProcessAllEventsTenTimes();
AssertPACSpecEqualTo(TEST_ASSIGNED_PAC_URL);
}
} // namespace net
} // namespace mozilla
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