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115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
#include "DHTRoutingTable.h"
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#include <cstring>
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#include <cppunit/extensions/HelperMacros.h>
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#include "Exception.h"
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#include "util.h"
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#include "DHTNode.h"
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#include "DHTBucket.h"
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#include "MockDHTTaskQueue.h"
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#include "MockDHTTaskFactory.h"
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#include "DHTTask.h"
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namespace aria2 {
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class DHTRoutingTableTest : public CppUnit::TestFixture {
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CPPUNIT_TEST_SUITE(DHTRoutingTableTest);
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CPPUNIT_TEST(testAddNode);
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CPPUNIT_TEST(testAddNode_localNode);
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CPPUNIT_TEST(testGetClosestKNodes);
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CPPUNIT_TEST_SUITE_END();
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public:
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void setUp() {}
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void tearDown() {}
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void testAddNode();
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void testAddNode_localNode();
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void testGetClosestKNodes();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(DHTRoutingTableTest);
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void DHTRoutingTableTest::testAddNode()
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{
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auto localNode = std::make_shared<DHTNode>();
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DHTRoutingTable table(localNode);
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auto taskFactory = make_unique<MockDHTTaskFactory>();
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table.setTaskFactory(taskFactory.get());
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auto taskQueue = make_unique<MockDHTTaskQueue>();
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table.setTaskQueue(taskQueue.get());
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uint32_t count = 0;
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for (int i = 0; i < 100; ++i) {
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if (table.addNode(std::make_shared<DHTNode>())) {
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++count;
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}
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}
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table.showBuckets();
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}
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void DHTRoutingTableTest::testAddNode_localNode()
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{
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auto localNode = std::make_shared<DHTNode>();
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DHTRoutingTable table(localNode);
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auto taskFactory = make_unique<MockDHTTaskFactory>();
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table.setTaskFactory(taskFactory.get());
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auto taskQueue = make_unique<MockDHTTaskQueue>();
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table.setTaskQueue(taskQueue.get());
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auto newNode = std::make_shared<DHTNode>(localNode->getID());
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CPPUNIT_ASSERT(!table.addNode(newNode));
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}
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namespace {
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void createID(unsigned char* id, unsigned char firstChar,
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unsigned char lastChar)
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{
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memset(id, 0, DHT_ID_LENGTH);
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id[0] = firstChar;
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id[DHT_ID_LENGTH - 1] = lastChar;
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}
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} // namespace
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void DHTRoutingTableTest::testGetClosestKNodes()
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{
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unsigned char id[DHT_ID_LENGTH];
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createID(id, 0x81, 0);
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auto localNode = std::make_shared<DHTNode>(id);
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DHTRoutingTable table(localNode);
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std::shared_ptr<DHTNode> nodes1[8];
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std::shared_ptr<DHTNode> nodes2[8];
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std::shared_ptr<DHTNode> nodes3[8];
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for (size_t i = 0; i < DHTBucket::K; ++i) {
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createID(id, 0xf0, i);
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nodes1[i] = std::make_shared<DHTNode>(id);
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CPPUNIT_ASSERT(table.addNode(nodes1[i]));
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}
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for (size_t i = 0; i < DHTBucket::K; ++i) {
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createID(id, 0x80, i);
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nodes2[i] = std::make_shared<DHTNode>(id);
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CPPUNIT_ASSERT(table.addNode(nodes2[i]));
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}
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for (size_t i = 0; i < DHTBucket::K; ++i) {
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createID(id, 0x70, i);
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nodes3[i] = std::make_shared<DHTNode>(id);
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CPPUNIT_ASSERT(table.addNode(nodes3[i]));
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}
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{
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createID(id, 0x80, 0x10);
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std::vector<std::shared_ptr<DHTNode>> nodes;
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table.getClosestKNodes(nodes, id);
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CPPUNIT_ASSERT_EQUAL((size_t)8, nodes.size());
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for (size_t i = 0; i < nodes.size(); ++i) {
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CPPUNIT_ASSERT(
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memcmp(nodes2[0]->getID(), nodes[0]->getID(), DHT_ID_LENGTH) == 0);
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}
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}
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}
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} // namespace aria2
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