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/*
* Copyright (c) 2022 Cisco and/or its affiliates.
* 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 <gmock/gmock.h>
#include <gtest/gtest.h>
#include <hicn/transport/utils/traffic_generator.h>
static constexpr int NUM_PINGS = 10;
static constexpr char PREFIX[] = "b001:1:2:3::";
static constexpr uint32_t FIRST_SUFFIX = 5;
namespace utils {
using transport::IncrSuffixTrafficGenerator;
using transport::RandomTrafficGenerator;
class TrafficGeneratorTest : public ::testing::Test {
protected:
TrafficGeneratorTest() {}
virtual ~TrafficGeneratorTest() {}
};
TEST_F(TrafficGeneratorTest, IncrSuffixGetPrefixAndSuffix) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
std::string prefix = traffic_generator_->getPrefix();
EXPECT_EQ(prefix, PREFIX);
uint32_t suffix = traffic_generator_->getSuffix();
EXPECT_EQ(suffix, FIRST_SUFFIX);
}
TEST_F(TrafficGeneratorTest, IncrSuffixGetMultipleSuffixes) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
std::string prefix = traffic_generator_->getPrefix();
EXPECT_EQ(prefix, PREFIX);
EXPECT_EQ(prefix, traffic_generator_->getPrefix());
for (int i = 0; i < NUM_PINGS; i++)
EXPECT_EQ(traffic_generator_->getSuffix(), FIRST_SUFFIX + i);
}
TEST_F(TrafficGeneratorTest, IncrSuffixReset) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
for (int i = 0; i < NUM_PINGS; i++) traffic_generator_->getSuffix();
traffic_generator_->reset();
EXPECT_EQ(traffic_generator_->getPrefix(), PREFIX);
EXPECT_EQ(traffic_generator_->getSuffix(), FIRST_SUFFIX);
EXPECT_EQ(traffic_generator_->getSuffix(), FIRST_SUFFIX + 1);
}
TEST_F(TrafficGeneratorTest, IncrSuffixRequestTooManySuffixes) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
for (int i = 0; i < NUM_PINGS; i++) traffic_generator_->getSuffix();
EXPECT_THROW(traffic_generator_->getSuffix(), std::runtime_error);
}
TEST_F(TrafficGeneratorTest, IncrSuffixGetPrefixAndSuffixTogether) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
auto [prefix, suffix] = traffic_generator_->getPrefixAndSuffix();
EXPECT_EQ(prefix, PREFIX);
EXPECT_EQ(suffix, FIRST_SUFFIX);
}
TEST_F(TrafficGeneratorTest, IncrSuffixCheckSentCount) {
auto traffic_generator_ = std::make_unique<IncrSuffixTrafficGenerator>(
PREFIX, FIRST_SUFFIX, NUM_PINGS);
for (int i = 0; i < NUM_PINGS; i++) {
EXPECT_EQ(traffic_generator_->getSentCount(), (uint32_t)i);
EXPECT_FALSE(traffic_generator_->hasFinished());
traffic_generator_->getSuffix();
}
EXPECT_TRUE(traffic_generator_->hasFinished());
}
TEST_F(TrafficGeneratorTest, RandomGetPrefixAndSuffix) {
auto traffic_generator_ = std::make_unique<RandomTrafficGenerator>(NUM_PINGS);
std::string prefix1 = traffic_generator_->getPrefix();
std::string prefix2 = traffic_generator_->getPrefix();
EXPECT_NE(prefix1, prefix2);
uint32_t suffix1 = traffic_generator_->getSuffix();
uint32_t suffix2 = traffic_generator_->getSuffix();
EXPECT_NE(suffix1, suffix2);
}
TEST_F(TrafficGeneratorTest, RandomGetPrefixAndSuffixWithNetPrefix) {
auto traffic_generator_ = std::make_unique<RandomTrafficGenerator>(
NUM_PINGS, std::string(PREFIX) + "/64");
for (int i = 0; i < NUM_PINGS; i++)
EXPECT_THAT(traffic_generator_->getPrefix(),
testing::StartsWith(std::string(PREFIX)));
}
} // namespace utils
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