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// Copyright 2021 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <grpc/support/port_platform.h>
#include "src/core/lib/security/authorization/grpc_authorization_engine.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
namespace grpc_core {
TEST(GrpcAuthorizationEngineTest, AllowEngineWithMatchingPolicy) {
Rbac::Policy policy1(
Rbac::Permission::MakeNotPermission(
Rbac::Permission::MakeAnyPermission()),
Rbac::Principal::MakeNotPrincipal(Rbac::Principal::MakeAnyPrincipal()));
Rbac::Policy policy2(Rbac::Permission::MakeAnyPermission(),
Rbac::Principal::MakeAnyPrincipal());
std::map<std::string, Rbac::Policy> policies;
policies["policy1"] = std::move(policy1);
policies["policy2"] = std::move(policy2);
Rbac rbac(Rbac::Action::kAllow, std::move(policies));
GrpcAuthorizationEngine engine(std::move(rbac));
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kAllow);
EXPECT_EQ(decision.matching_policy_name, "policy2");
}
TEST(GrpcAuthorizationEngineTest, AllowEngineWithNoMatchingPolicy) {
Rbac::Policy policy1(
Rbac::Permission::MakeNotPermission(
Rbac::Permission::MakeAnyPermission()),
Rbac::Principal::MakeNotPrincipal(Rbac::Principal::MakeAnyPrincipal()));
std::map<std::string, Rbac::Policy> policies;
policies["policy1"] = std::move(policy1);
Rbac rbac(Rbac::Action::kAllow, std::move(policies));
GrpcAuthorizationEngine engine(std::move(rbac));
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kDeny);
EXPECT_TRUE(decision.matching_policy_name.empty());
}
TEST(GrpcAuthorizationEngineTest, AllowEngineWithEmptyPolicies) {
GrpcAuthorizationEngine engine(Rbac::Action::kAllow);
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kDeny);
EXPECT_TRUE(decision.matching_policy_name.empty());
}
TEST(GrpcAuthorizationEngineTest, DenyEngineWithMatchingPolicy) {
Rbac::Policy policy1(
Rbac::Permission::MakeNotPermission(
Rbac::Permission::MakeAnyPermission()),
Rbac::Principal::MakeNotPrincipal(Rbac::Principal::MakeAnyPrincipal()));
Rbac::Policy policy2(Rbac::Permission::MakeAnyPermission(),
Rbac::Principal::MakeAnyPrincipal());
std::map<std::string, Rbac::Policy> policies;
policies["policy1"] = std::move(policy1);
policies["policy2"] = std::move(policy2);
Rbac rbac(Rbac::Action::kDeny, std::move(policies));
GrpcAuthorizationEngine engine(std::move(rbac));
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kDeny);
EXPECT_EQ(decision.matching_policy_name, "policy2");
}
TEST(GrpcAuthorizationEngineTest, DenyEngineWithNoMatchingPolicy) {
Rbac::Policy policy1(
Rbac::Permission::MakeNotPermission(
Rbac::Permission::MakeAnyPermission()),
Rbac::Principal::MakeNotPrincipal(Rbac::Principal::MakeAnyPrincipal()));
std::map<std::string, Rbac::Policy> policies;
policies["policy1"] = std::move(policy1);
Rbac rbac(Rbac::Action::kDeny, std::move(policies));
GrpcAuthorizationEngine engine(std::move(rbac));
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kAllow);
EXPECT_TRUE(decision.matching_policy_name.empty());
}
TEST(GrpcAuthorizationEngineTest, DenyEngineWithEmptyPolicies) {
GrpcAuthorizationEngine engine(Rbac::Action::kDeny);
AuthorizationEngine::Decision decision =
engine.Evaluate(EvaluateArgs(nullptr, nullptr));
EXPECT_EQ(decision.type, AuthorizationEngine::Decision::Type::kAllow);
EXPECT_TRUE(decision.matching_policy_name.empty());
}
} // namespace grpc_core
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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