[HICN-534] Major rework on libtransport organization

Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>

2 files changed, 306 insertions, 0 deletions

diff --git a/libtransport/src/core/test/CMakeLists.txt b/libtransport/src/core/test/CMakeLists.txt
new file mode 100644
index 000000000..48c50e9b0
--- /dev/null
+++ b/libtransport/src/core/test/CMakeLists.txt
@@ -0,0 +1,10 @@
+# Enable gcov output for the tests
+add_definitions(--coverage)
+set(CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS} " --coverage")
+
+set(TestsExpectedToPass
+    test_core_manifest)
+
+foreach(test ${TestsExpectedToPass})
+  AddTest(${test})
+endforeach()
\ No newline at end of file
diff --git a/libtransport/src/core/test/test_core_manifest.cc b/libtransport/src/core/test/test_core_manifest.cc
new file mode 100644
index 000000000..58563d8f9
--- /dev/null
+++ b/libtransport/src/core/test/test_core_manifest.cc
@@ -0,0 +1,296 @@
+/*
+ * Copyright (c) 2017-2019 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 <gtest/gtest.h>
+
+#include "../manifest_format_fixed.h"
+#include "../manifest_inline.h"
+
+#include <test.h>
+#include <random>
+#include <vector>
+
+namespace transport {
+
+namespace core {
+
+namespace {
+// The fixture for testing class Foo.
+class ManifestTest : public ::testing::Test {
+ protected:
+  using ContentObjectManifest = ManifestInline<ContentObject, Fixed>;
+
+  ManifestTest() : name_("b001::123|321"), manifest1_(name_) {
+    // You can do set-up work for each test here.
+  }
+
+  virtual ~ManifestTest() {
+    // You can do clean-up work that doesn't throw exceptions here.
+  }
+
+  // If the constructor and destructor are not enough for setting up
+  // and cleaning up each test, you can define the following methods:
+
+  virtual void SetUp() {
+    // Code here will be called immediately after the constructor (right
+    // before each test).
+  }
+
+  virtual void TearDown() {
+    // Code here will be called immediately after each test (right
+    // before the destructor).
+  }
+
+  Name name_;
+  ContentObjectManifest manifest1_;
+
+  std::vector<uint8_t> manifest_payload = {
+      0x11, 0x11, 0x01, 0x00, 0xb0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xad  // , 0x00, 0x00,
+                                                            // 0x00, 0x45, 0xa3,
+                                                            // 0xd1, 0xf2, 0x2b,
+                                                            // 0x94, 0x41, 0x22,
+                                                            // 0xc9, 0x00, 0x00,
+                                                            // 0x00, 0x44, 0xa3,
+                                                            // 0xd1, 0xf2, 0x2b,
+                                                            // 0x94, 0x41, 0x22,
+                                                            // 0xc8
+  };
+};
+
+}  // namespace
+
+TEST_F(ManifestTest, ManifestCreate) {
+  ContentObjectManifest manifest2(name_);
+  ContentObjectManifest manifest3 = manifest2;
+
+  EXPECT_EQ(manifest1_, manifest2);
+  EXPECT_EQ(manifest1_, manifest3);
+}
+
+TEST_F(ManifestTest, ManifestCreateFromBase) {
+  ContentObject content_object(name_);
+  content_object.setPayload(manifest_payload.data(), manifest_payload.size());
+  ContentObjectManifest manifest(std::move(content_object));
+
+  auto manifest4 = ContentObjectManifest::createManifest(
+      name_, core::ManifestVersion::VERSION_1,
+      core::ManifestType::INLINE_MANIFEST, HashAlgorithm::SHA_256, true,
+      core::Name("b001::dead"),
+      core::NextSegmentCalculationStrategy::INCREMENTAL, 128);
+
+  manifest4->encode();
+  manifest4->dump();
+  manifest.dump();
+
+  EXPECT_EQ(manifest1_, manifest);
+  //  EXPECT_EQ(manifest1_, manifest3);
+}
+
+TEST_F(ManifestTest, SetLastManifest) {
+  manifest1_.clear();
+
+  manifest1_.setFinalManifest(true);
+  manifest1_.encode();
+  manifest1_.decode();
+  bool fcn = manifest1_.isFinalManifest();
+
+  ASSERT_TRUE(fcn);
+}
+
+TEST_F(ManifestTest, SetManifestType) {
+  manifest1_.clear();
+
+  ManifestType type1 = ManifestType::INLINE_MANIFEST;
+  ManifestType type2 = ManifestType::FLIC_MANIFEST;
+
+  manifest1_.setManifestType(type1);
+  manifest1_.encode();
+  manifest1_.decode();
+  ManifestType type_returned1 = manifest1_.getManifestType();
+
+  manifest1_.clear();
+
+  manifest1_.setManifestType(type2);
+  manifest1_.encode();
+  manifest1_.decode();
+  ManifestType type_returned2 = manifest1_.getManifestType();
+
+  ASSERT_EQ(type1, type_returned1);
+  ASSERT_EQ(type2, type_returned2);
+}
+
+TEST_F(ManifestTest, SetHashAlgorithm) {
+  manifest1_.clear();
+
+  HashAlgorithm hash1 = HashAlgorithm::SHA_512;
+  HashAlgorithm hash2 = HashAlgorithm::CRC32C;
+  HashAlgorithm hash3 = HashAlgorithm::SHA_256;
+
+  manifest1_.setHashAlgorithm(hash1);
+  manifest1_.encode();
+  manifest1_.decode();
+  HashAlgorithm type_returned1 = manifest1_.getHashAlgorithm();
+
+  manifest1_.clear();
+
+  manifest1_.setHashAlgorithm(hash2);
+  manifest1_.encode();
+  manifest1_.decode();
+  HashAlgorithm type_returned2 = manifest1_.getHashAlgorithm();
+
+  manifest1_.clear();
+
+  manifest1_.setHashAlgorithm(hash3);
+  manifest1_.encode();
+  manifest1_.decode();
+  HashAlgorithm type_returned3 = manifest1_.getHashAlgorithm();
+
+  ASSERT_EQ(hash1, type_returned1);
+  ASSERT_EQ(hash2, type_returned2);
+  ASSERT_EQ(hash3, type_returned3);
+}
+
+TEST_F(ManifestTest, SetNextSegmentCalculationStrategy) {
+  manifest1_.clear();
+
+  NextSegmentCalculationStrategy strategy1 =
+      NextSegmentCalculationStrategy::INCREMENTAL;
+
+  manifest1_.setNextSegmentCalculationStrategy(strategy1);
+  manifest1_.encode();
+  manifest1_.decode();
+  NextSegmentCalculationStrategy type_returned1 =
+      manifest1_.getNextSegmentCalculationStrategy();
+
+  ASSERT_EQ(strategy1, type_returned1);
+}
+
+TEST_F(ManifestTest, SetBaseName) {
+  manifest1_.clear();
+
+  core::Name base_name("b001::dead");
+  manifest1_.setBaseName(base_name);
+  manifest1_.encode();
+  manifest1_.decode();
+  core::Name ret_name = manifest1_.getBaseName();
+
+  ASSERT_EQ(base_name, ret_name);
+}
+
+TEST_F(ManifestTest, SetSuffixList) {
+  manifest1_.clear();
+
+  core::Name base_name("b001::dead");
+
+  using random_bytes_engine =
+      std::independent_bits_engine<std::default_random_engine, CHAR_BIT,
+                                   unsigned char>;
+  random_bytes_engine rbe;
+
+  std::default_random_engine eng((std::random_device())());
+  std::uniform_int_distribution<uint64_t> idis(
+      0, std::numeric_limits<uint32_t>::max());
+
+  auto entries = new std::pair<uint32_t, utils::CryptoHash>[3];
+  uint32_t suffixes[3];
+  std::vector<unsigned char> data[3];
+
+  for (int i = 0; i < 3; i++) {
+    data[i].resize(32);
+    std::generate(std::begin(data[i]), std::end(data[i]), std::ref(rbe));
+    suffixes[i] = idis(eng);
+    entries[i] = std::make_pair(
+        suffixes[i], utils::CryptoHash(data[i].data(), data[i].size(),
+                                       utils::CryptoHashType::SHA_256));
+    manifest1_.addSuffixHash(entries[i].first, entries[i].second);
+  }
+
+  manifest1_.setBaseName(base_name);
+
+  manifest1_.encode();
+  manifest1_.decode();
+
+  core::Name ret_name = manifest1_.getBaseName();
+
+  // auto & hash_list = manifest1_.getSuffixHashList();
+
+  bool cond;
+  int i = 0;
+
+  // for (auto & item : manifest1_.getSuffixList()) {
+  //   auto hash = manifest1_.getHash(suffixes[i]);
+  //   cond = utils::CryptoHash::compareBinaryDigest(hash,
+  //                                                 entries[i].second.getDigest<uint8_t>().data(),
+  //                                                 entries[i].second.getType());
+  //   ASSERT_TRUE(cond);
+  //   i++;
+  // }
+
+  ASSERT_EQ(base_name, ret_name);
+
+  delete[] entries;
+}
+
+TEST_F(ManifestTest, EstimateSize) {
+  manifest1_.clear();
+
+  HashAlgorithm hash1 = HashAlgorithm::SHA_256;
+  NextSegmentCalculationStrategy strategy1 =
+      NextSegmentCalculationStrategy::INCREMENTAL;
+  ManifestType type1 = ManifestType::INLINE_MANIFEST;
+  core::Name base_name1("b001:abcd:fede:baba:cece:d0d0:face:dead");
+
+  manifest1_.setFinalManifest(true);
+  manifest1_.setBaseName(base_name1);
+  manifest1_.setNextSegmentCalculationStrategy(strategy1);
+  manifest1_.setHashAlgorithm(hash1);
+  manifest1_.setManifestType(type1);
+
+  std::default_random_engine eng((std::random_device())());
+  std::uniform_int_distribution<uint64_t> idis(
+      0, std::numeric_limits<uint64_t>::max());
+
+  using random_bytes_engine =
+      std::independent_bits_engine<std::default_random_engine, CHAR_BIT,
+                                   unsigned char>;
+  random_bytes_engine rbe;
+
+  while (manifest1_.estimateManifestSize(1) < 1440) {
+    uint32_t suffix = static_cast<std::uint32_t>(idis(eng));
+    std::vector<unsigned char> data(32);
+    std::generate(std::begin(data), std::end(data), std::ref(rbe));
+    auto hash = utils::CryptoHash(data.data(), data.size(),
+                                  utils::CryptoHashType::SHA_256);
+    manifest1_.addSuffixHash(suffix, hash);
+  }
+
+  manifest1_.encode();
+  manifest1_.decode();
+
+  manifest1_.dump();
+
+  ASSERT_GT(manifest1_.estimateManifestSize(), 0);
+  ASSERT_LT(manifest1_.estimateManifestSize(), 1500);
+}
+
+}  // namespace core
+
+}  // namespace transport
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
\ No newline at end of file