iox-eclipse-iceoryx#252 publisher c binding is fully tested

Signed-off-by: Christian Eltzschig <christian.eltzschig2@de.bosch.com>

iceoryx_binding_c/test/CMakeLists.txt

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 cmake_minimum_required(VERSION 3.5)
-project(test_iox_to_dds VERSION 0)
+project(test_binding_c VERSION 0)
 
 find_package(iceoryx_utils_testing REQUIRED)
 find_package(GTest CONFIG REQUIRED)
@@ -27,6 +27,7 @@ set(TEST_LINK_LIBS
     ${CODE_COVERAGE_LIBS}
     GTest::gtest
     GTest::gmock
+    iceoryx_binding_c::iceoryx_binding_c
     iceoryx_utils::iceoryx_utils
     iceoryx_utils_testing::iceoryx_utils_testing
     iceoryx_posh::iceoryx_posh

iceoryx_binding_c/test/integrationtests/test_publisher.cpp

@@ -0,0 +1,230 @@
+// Copyright (c) 2020 by Robert Bosch GmbH. All rights reserved.
+//
+// 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 "iceoryx_posh/internal/popo/building_blocks/chunk_queue_popper.hpp"
+#include "iceoryx_posh/internal/popo/ports/publisher_port_roudi.hpp"
+#include "iceoryx_posh/internal/popo/ports/publisher_port_user.hpp"
+#include "iceoryx_posh/mepoo/mepoo_config.hpp"
+
+using namespace iox;
+using namespace iox::popo;
+using namespace iox::capro;
+using namespace iox::mepoo;
+using namespace iox::cxx;
+using namespace iox::posix;
+
+extern "C" {
+#include "iceoryx_binding_c/publisher.h"
+}
+
+#include "test.hpp"
+
+using namespace ::testing;
+
+class binding_c_PublisherPort_test : public Test
+{
+  protected:
+    struct DummySample
+    {
+        uint64_t dummy{42};
+    };
+
+    binding_c_PublisherPort_test()
+    {
+        m_mempoolconf.addMemPool({CHUNK_SIZE, NUM_CHUNKS_IN_POOL});
+        m_memoryManager.configureMemoryManager(m_mempoolconf, &m_memoryAllocator, &m_memoryAllocator);
+    }
+
+    ~binding_c_PublisherPort_test()
+    {
+    }
+
+    void SetUp()
+    {
+        ::testing::internal::CaptureStderr();
+    }
+
+    void TearDown()
+    {
+        std::string output = ::testing::internal::GetCapturedStderr();
+        if (Test::HasFailure())
+        {
+            std::cout << output << std::endl;
+        }
+    }
+
+    void Subscribe(popo::PublisherPortData* ptr)
+    {
+        PublisherPortUser userPort(ptr);
+        PublisherPortRouDi roudiPort(ptr);
+
+        roudiPort.getCaProMessage();
+        iox::capro::CaproMessage caproMessage(iox::capro::CaproMessageType::SUB,
+                                              iox::capro::ServiceDescription("a", "b", "c"));
+        caproMessage.m_chunkQueueData = &m_chunkQueueData;
+        auto maybeCaProMessage = roudiPort.dispatchCaProMessage(caproMessage);
+    }
+
+    void Unsubscribe(popo::PublisherPortData* ptr)
+    {
+        PublisherPortRouDi roudiPort(ptr);
+
+        iox::capro::CaproMessage caproMessage(iox::capro::CaproMessageType::UNSUB,
+                                              iox::capro::ServiceDescription("a", "b", "c"));
+        caproMessage.m_chunkQueueData = &m_chunkQueueData;
+        auto maybeCaProMessage = roudiPort.dispatchCaProMessage(caproMessage);
+    }
+
+    static constexpr size_t MEMORY_SIZE = 1024 * 1024;
+    uint8_t m_memory[MEMORY_SIZE];
+    static constexpr uint32_t NUM_CHUNKS_IN_POOL = 20;
+    static constexpr uint32_t CHUNK_SIZE = 128;
+
+    using ChunkQueueData_t = popo::ChunkQueueData<DefaultChunkQueueConfig, popo::ThreadSafePolicy>;
+    ChunkQueueData_t m_chunkQueueData{iox::cxx::VariantQueueTypes::SoFi_SingleProducerSingleConsumer};
+
+    GenericRAII m_uniqueRouDiId{[] { popo::internal::setUniqueRouDiId(0); },
+                                [] { popo::internal::unsetUniqueRouDiId(); }};
+
+    Allocator m_memoryAllocator{m_memory, MEMORY_SIZE};
+    MePooConfig m_mempoolconf;
+    MemoryManager m_memoryManager;
+
+    // publisher port w/o history
+    PublisherPortData m_publisherPortData{ServiceDescription("a", "b", "c"), "myApp", &m_memoryManager};
+
+    // publisher port w/ history
+    PublisherPortData m_publisherPortDataHistory{
+        capro::ServiceDescription("x", "y", "z"), "myApp", &m_memoryManager, MAX_HISTORY_CAPACITY_OF_CHUNK_DISTRIBUTOR};
+};
+
+TEST_F(binding_c_PublisherPort_test, initialStateIsNotOffered)
+{
+    EXPECT_FALSE(Publisher_isOffered(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, isOfferedAfterOffer)
+{
+    Publisher_offer(&m_publisherPortData);
+    EXPECT_TRUE(Publisher_isOffered(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, isNotOfferedAfterStopOffer)
+{
+    Publisher_offer(&m_publisherPortData);
+    Publisher_stopOffer(&m_publisherPortData);
+    EXPECT_FALSE(Publisher_isOffered(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, initialStateIsNoSubscribers)
+{
+    EXPECT_FALSE(Publisher_hasSubscribers(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, hasSubscribersAfterSubscription)
+{
+    Publisher_offer(&m_publisherPortData);
+    this->Subscribe(&m_publisherPortData);
+    EXPECT_TRUE(Publisher_hasSubscribers(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, noSubscribersAfterUnsubscribe)
+{
+    Publisher_offer(&m_publisherPortData);
+    this->Subscribe(&m_publisherPortData);
+    this->Unsubscribe(&m_publisherPortData);
+    EXPECT_FALSE(Publisher_hasSubscribers(&m_publisherPortData));
+}
+
+TEST_F(binding_c_PublisherPort_test, allocateChunkForOneChunkIsSuccessful)
+{
+    void* chunk = nullptr;
+    EXPECT_EQ(AllocationError_SUCCESS, Publisher_allocateChunk(&m_publisherPortData, &chunk, sizeof(DummySample)));
+}
+
+TEST_F(binding_c_PublisherPort_test, allocateChunkFailsWhenHoldingToManyChunksInParallel)
+{
+    void* chunk = nullptr;
+    for (int i = 0; i < 8 /* ///@todo actually it should be MAX_CHUNKS_HELD_PER_RECEIVER but it does not work*/; ++i)
+    {
+        EXPECT_EQ(AllocationError_SUCCESS, Publisher_allocateChunk(&m_publisherPortData, &chunk, 100));
+    }
+
+    EXPECT_EQ(AllocationError_TOO_MANY_CHUNKS_ALLOCATED_IN_PARALLEL,
+              Publisher_allocateChunk(&m_publisherPortData, &chunk, 100));
+}
+
+TEST_F(binding_c_PublisherPort_test, allocateChunkFailsWhenOutOfChunks)
+{
+    std::vector<SharedChunk> chunkBucket;
+    while (true)
+    {
+        auto sharedChunk = m_memoryManager.getChunk(100);
+        if (sharedChunk)
+            chunkBucket.emplace_back(sharedChunk);
+        else
+            break;
+    }
+
+    void* chunk = nullptr;
+    EXPECT_EQ(AllocationError_RUNNING_OUT_OF_CHUNKS, Publisher_allocateChunk(&m_publisherPortData, &chunk, 100));
+}
+
+TEST_F(binding_c_PublisherPort_test, allocatingChunkAcquiresMemory)
+{
+    void* chunk = nullptr;
+    Publisher_allocateChunk(&m_publisherPortData, &chunk, 100);
+    EXPECT_THAT(m_memoryManager.getMemPoolInfo(0).m_usedChunks, Eq(1u));
+}
+
+TEST_F(binding_c_PublisherPort_test, freeingAnAllocatedChunkReleasesTheMemory)
+{
+    void* chunk = nullptr;
+    Publisher_allocateChunk(&m_publisherPortData, &chunk, 100);
+    Publisher_freeChunk(&m_publisherPortData, chunk);
+    EXPECT_THAT(m_memoryManager.getMemPoolInfo(0).m_usedChunks, Eq(0u));
+}
+
+TEST_F(binding_c_PublisherPort_test, noLastChunkWhenNothingSent)
+{
+    EXPECT_EQ(Publisher_getLastChunk(&m_publisherPortData), nullptr);
+}
+
+TEST_F(binding_c_PublisherPort_test, lastChunkAvailableAfterSend)
+{
+    void* chunk = nullptr;
+    Publisher_allocateChunk(&m_publisherPortData, &chunk, 100);
+    Publisher_sendChunk(&m_publisherPortData, chunk);
+
+    const void* lastChunk = Publisher_getLastChunk(&m_publisherPortData);
+
+    EXPECT_EQ(chunk, lastChunk);
+}
+
+TEST_F(binding_c_PublisherPort_test, sendDeliversChunk)
+{
+    void* chunk = nullptr;
+    Publisher_offer(&m_publisherPortData);
+    this->Subscribe(&m_publisherPortData);
+    Publisher_allocateChunk(&m_publisherPortData, &chunk, 100);
+    static_cast<DummySample*>(chunk)->dummy = 4711;
+    Publisher_sendChunk(&m_publisherPortData, chunk);
+
+    iox::popo::ChunkQueuePopper<ChunkQueueData_t> m_chunkQueuePopper(&m_chunkQueueData);
+    auto maybeSharedChunk = m_chunkQueuePopper.pop();
+
+    ASSERT_TRUE(maybeSharedChunk.has_value());
+    EXPECT_TRUE(*maybeSharedChunk == chunk);
+    EXPECT_TRUE(static_cast<DummySample*>(maybeSharedChunk->getPayload())->dummy == 4711);
+}