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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string>
#include <utility>
#include "base/bind.h"
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "remoting/protocol/authenticator.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "remoting/protocol/validating_authenticator.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle_xmpp/xmllite/xmlelement.h"
namespace remoting {
namespace protocol {
namespace {
using testing::_;
using testing::Return;
typedef ValidatingAuthenticator::Result ValidationResult;
const char kRemoteTestJid[] = "ficticious_jid_for_testing";
// testing::InvokeArgument<N> does not work with base::Callback, fortunately
// gmock makes it simple to create action templates that do for the various
// possible numbers of arguments.
ACTION_TEMPLATE(InvokeCallbackArgument,
HAS_1_TEMPLATE_PARAMS(int, k),
AND_0_VALUE_PARAMS()) {
::std::tr1::get<k>(args).Run();
}
} // namespace
class ValidatingAuthenticatorTest : public testing::Test {
public:
ValidatingAuthenticatorTest();
~ValidatingAuthenticatorTest() override;
void ValidateCallback(
const std::string& remote_jid,
const ValidatingAuthenticator::ResultCallback& callback);
protected:
// testing::Test overrides.
void SetUp() override;
// Calls ProcessMessage() on |validating_authenticator_| and blocks until
// the result callback is called.
void SendMessageAndWaitForCallback();
// Used to set up our mock behaviors on the MockAuthenticator object passed
// to |validating_authenticator_|. Lifetime of the object is controlled by
// |validating_authenticator_| so this pointer is no longer valid once
// the owner is destroyed.
MockAuthenticator* mock_authenticator_ = nullptr;
// This member is used to drive behavior in |validating_authenticator_| when
// it's validation complete callback is run.
ValidationResult validation_result_ = ValidationResult::SUCCESS;
// Tracks whether our ValidateCallback has been called or not.
bool validate_complete_called_ = false;
// The object under test.
std::unique_ptr<ValidatingAuthenticator> validating_authenticator_;
private:
base::MessageLoop message_loop_;
DISALLOW_COPY_AND_ASSIGN(ValidatingAuthenticatorTest);
};
ValidatingAuthenticatorTest::ValidatingAuthenticatorTest() {}
ValidatingAuthenticatorTest::~ValidatingAuthenticatorTest() {}
void ValidatingAuthenticatorTest::ValidateCallback(
const std::string& remote_jid,
const ValidatingAuthenticator::ResultCallback& callback) {
validate_complete_called_ = true;
callback.Run(validation_result_);
}
void ValidatingAuthenticatorTest::SetUp() {
mock_authenticator_ = new MockAuthenticator();
std::unique_ptr<Authenticator> authenticator(mock_authenticator_);
validating_authenticator_.reset(new ValidatingAuthenticator(
kRemoteTestJid, base::Bind(&ValidatingAuthenticatorTest::ValidateCallback,
base::Unretained(this)),
std::move(authenticator)));
}
void ValidatingAuthenticatorTest::SendMessageAndWaitForCallback() {
base::RunLoop run_loop;
std::unique_ptr<buzz::XmlElement> first_message(
Authenticator::CreateEmptyAuthenticatorMessage());
validating_authenticator_->ProcessMessage(first_message.get(),
run_loop.QuitClosure());
run_loop.Run();
}
TEST_F(ValidatingAuthenticatorTest, ValidConnection_SingleMessage) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _))
.Times(1)
.WillOnce(InvokeCallbackArgument<1>());
ON_CALL(*mock_authenticator_, state())
.WillByDefault(Return(Authenticator::ACCEPTED));
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::ACCEPTED);
}
TEST_F(ValidatingAuthenticatorTest, ValidConnection_TwoMessages) {
// Send the first message to the authenticator, set the mock up to act
// like it is waiting for a second message.
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _))
.Times(2)
.WillRepeatedly(InvokeCallbackArgument<1>());
EXPECT_CALL(*mock_authenticator_, state())
.WillRepeatedly(Return(Authenticator::MESSAGE_READY));
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::MESSAGE_READY);
// Now 'retrieve' the message for the client which resets the state.
EXPECT_CALL(*mock_authenticator_, state())
.WillRepeatedly(Return(Authenticator::WAITING_MESSAGE));
// This dance is needed because GMock doesn't handle unique_ptrs very well.
// The mock method receives a raw pointer which it wraps and returns when
// GetNextMessage() is called.
std::unique_ptr<buzz::XmlElement> next_message(
Authenticator::CreateEmptyAuthenticatorMessage());
EXPECT_CALL(*mock_authenticator_, GetNextMessagePtr())
.Times(1)
.WillOnce(Return(next_message.release()));
validating_authenticator_->GetNextMessage();
ASSERT_EQ(validating_authenticator_->state(), Authenticator::WAITING_MESSAGE);
// Now send the second message for processing.
EXPECT_CALL(*mock_authenticator_, state())
.WillRepeatedly(Return(Authenticator::ACCEPTED));
// Reset the callback state, we don't expect the validate function to be
// called for the second message.
validate_complete_called_ = false;
SendMessageAndWaitForCallback();
ASSERT_FALSE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::ACCEPTED);
}
TEST_F(ValidatingAuthenticatorTest, InvalidConnection_RejectedByUser) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _)).Times(0);
EXPECT_CALL(*mock_authenticator_, state()).Times(0);
EXPECT_CALL(*mock_authenticator_, rejection_reason()).Times(0);
validation_result_ = ValidationResult::ERROR_REJECTED_BY_USER;
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::REJECTED_BY_USER);
}
TEST_F(ValidatingAuthenticatorTest, InvalidConnection_InvalidCredentials) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _)).Times(0);
EXPECT_CALL(*mock_authenticator_, state()).Times(0);
EXPECT_CALL(*mock_authenticator_, rejection_reason()).Times(0);
validation_result_ = ValidationResult::ERROR_INVALID_CREDENTIALS;
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::INVALID_CREDENTIALS);
}
TEST_F(ValidatingAuthenticatorTest, InvalidConnection_InvalidAccount) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _)).Times(0);
EXPECT_CALL(*mock_authenticator_, state()).Times(0);
EXPECT_CALL(*mock_authenticator_, rejection_reason()).Times(0);
validation_result_ = ValidationResult::ERROR_INVALID_ACCOUNT;
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::INVALID_ACCOUNT);
}
TEST_F(ValidatingAuthenticatorTest,
WrappedAuthenticatorRejectsConnection_InvalidCredentials) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _))
.Times(1)
.WillOnce(InvokeCallbackArgument<1>());
ON_CALL(*mock_authenticator_, state())
.WillByDefault(Return(Authenticator::REJECTED));
ON_CALL(*mock_authenticator_, rejection_reason())
.WillByDefault(Return(Authenticator::REJECTED_BY_USER));
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::REJECTED_BY_USER);
}
TEST_F(ValidatingAuthenticatorTest,
WrappedAuthenticatorRejectsConnection_InvalidAccount) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _))
.Times(1)
.WillOnce(InvokeCallbackArgument<1>());
ON_CALL(*mock_authenticator_, state())
.WillByDefault(Return(Authenticator::REJECTED));
ON_CALL(*mock_authenticator_, rejection_reason())
.WillByDefault(Return(Authenticator::INVALID_CREDENTIALS));
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::INVALID_CREDENTIALS);
}
TEST_F(ValidatingAuthenticatorTest,
WrappedAuthenticatorRejectsConnection_PROTOCOL_ERROR) {
EXPECT_CALL(*mock_authenticator_, ProcessMessage(_, _))
.Times(1)
.WillOnce(InvokeCallbackArgument<1>());
ON_CALL(*mock_authenticator_, state())
.WillByDefault(Return(Authenticator::REJECTED));
ON_CALL(*mock_authenticator_, rejection_reason())
.WillByDefault(Return(Authenticator::PROTOCOL_ERROR));
SendMessageAndWaitForCallback();
ASSERT_TRUE(validate_complete_called_);
ASSERT_EQ(validating_authenticator_->state(), Authenticator::REJECTED);
ASSERT_EQ(validating_authenticator_->rejection_reason(),
Authenticator::PROTOCOL_ERROR);
}
} // namespace protocol
} // namespace remoting
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