tests: cover pushes received by stopped runners

Require immediate completion before run and after join, including a burst of notifications. Keep active-runner coverage.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/test_dhtrunner.cpp

@@ -16,6 +16,58 @@ using namespace std::literals;
 
 namespace test {
 CPPUNIT_TEST_SUITE_REGISTRATION(DhtRunnerTester);
+CPPUNIT_TEST_SUITE_REGISTRATION(DhtRunnerPushTester);
+
+namespace {
+#if defined(OPENDHT_PROXY_CLIENT) && defined(OPENDHT_PUSH_NOTIFICATIONS)
+constexpr auto stoppedPushResult = dht::PushNotificationResult::IgnoredStopped;
+#else
+constexpr auto stoppedPushResult = dht::PushNotificationResult::IgnoredDisabled;
+#endif
+}
+
+void
+DhtRunnerPushTester::testPushBeforeRun()
+{
+    dht::DhtRunner node;
+    auto result = node.pushNotificationReceived({});
+    CPPUNIT_ASSERT(result.wait_for(0s) == std::future_status::ready);
+    CPPUNIT_ASSERT(result.get() == stoppedPushResult);
+}
+
+void
+DhtRunnerPushTester::testPushAfterJoin()
+{
+    dht::DhtRunner node;
+    node.run(0);
+    node.join();
+    auto result = node.pushNotificationReceived({});
+    CPPUNIT_ASSERT(result.wait_for(0s) == std::future_status::ready);
+    CPPUNIT_ASSERT(result.get() == stoppedPushResult);
+}
+
+void
+DhtRunnerPushTester::testPushBurstAfterJoin()
+{
+    dht::DhtRunner node;
+    node.run(0);
+    node.join();
+    for (unsigned i = 0; i < 32; ++i) {
+        auto result = node.pushNotificationReceived({});
+        CPPUNIT_ASSERT(result.wait_for(0s) == std::future_status::ready);
+        CPPUNIT_ASSERT(result.get() == stoppedPushResult);
+    }
+}
+
+void
+DhtRunnerPushTester::testPushWhileRunning()
+{
+    dht::DhtRunner node;
+    node.run(0);
+    auto result = node.pushNotificationReceived({});
+    CPPUNIT_ASSERT(result.wait_for(5s) == std::future_status::ready);
+    CPPUNIT_ASSERT(result.get() != dht::PushNotificationResult::IgnoredStopped);
+}
 
 template<typename T>
 T

tests/test_dhtrunner.h

@@ -10,6 +10,22 @@
 
 namespace test {
 
+class DhtRunnerPushTester : public CppUnit::TestFixture
+{
+    CPPUNIT_TEST_SUITE(DhtRunnerPushTester);
+    CPPUNIT_TEST(testPushBeforeRun);
+    CPPUNIT_TEST(testPushAfterJoin);
+    CPPUNIT_TEST(testPushBurstAfterJoin);
+    CPPUNIT_TEST(testPushWhileRunning);
+    CPPUNIT_TEST_SUITE_END();
+
+public:
+    void testPushBeforeRun();
+    void testPushAfterJoin();
+    void testPushBurstAfterJoin();
+    void testPushWhileRunning();
+};
+
 class DhtRunnerTester : public CppUnit::TestFixture
 {
     CPPUNIT_TEST_SUITE(DhtRunnerTester);