1 files changed, 119 insertions, 0 deletions
diff --git a/libtransport/src/test/test_traffic_generator.cc b/libtransport/src/test/test_traffic_generator.cc
new file mode 100644
index 000000000..733acbb74
--- /dev/null
+++ b/libtransport/src/test/test_traffic_generator.cc
@@ -0,0 +1,119 @@
+/*
+ * 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
+\ No newline at end of file