tests: add testPutDuplicate

tests/dhtrunnertester.cpp

@@ -90,6 +90,31 @@ DhtRunnerTester::testGetPut() {
     CPPUNIT_ASSERT(vals.front()->data == val_data);
 }
 
+void
+DhtRunnerTester::testPutDuplicate() {
+    auto key = dht::InfoHash::get("123");
+    auto val = std::make_shared<dht::Value>("hey");
+    val->id = 42;
+    auto val_data = val->data;
+    std::promise<bool> p1;
+    std::promise<bool> p2;
+    node2.put(key, val, [&](bool ok){
+        p1.set_value(ok);
+    });
+    node2.put(key, val, [&](bool ok){
+        p2.set_value(ok);
+    });
+    auto p1ret = p1.get_future().get();
+    auto p2ret = p2.get_future().get();
+    CPPUNIT_ASSERT(p1ret);
+    CPPUNIT_ASSERT(p2ret);
+    auto vals = node1.get(key).get();
+    CPPUNIT_ASSERT(not vals.empty());
+    CPPUNIT_ASSERT(vals.size() == 1);
+    CPPUNIT_ASSERT(vals.front()->data == val_data);
+}
+
+
 void
 DhtRunnerTester::testListen() {
     std::mutex mutex;

tests/dhtrunnertester.h

@@ -31,6 +31,7 @@ class DhtRunnerTester : public CppUnit::TestFixture {
     CPPUNIT_TEST_SUITE(DhtRunnerTester);
     CPPUNIT_TEST(testConstructors);
     CPPUNIT_TEST(testGetPut);
+    CPPUNIT_TEST(testPutDuplicate);
     CPPUNIT_TEST(testListen);
     CPPUNIT_TEST(testListenLotOfBytes);
     CPPUNIT_TEST(testIdOps);
@@ -55,6 +56,10 @@ class DhtRunnerTester : public CppUnit::TestFixture {
      * Test get and put methods
      */
     void testGetPut();
+    /**
+     * Test get and multiple put
+     */
+    void testPutDuplicate();
     /**
      * Test listen method
      */