Add I Am Alive Message

tests/test_freqtradebot.py

@@ -3648,3 +3648,27 @@ def test_startup_trade_reinit(default_conf, edge_conf, mocker):
     ftbot = get_patched_freqtradebot(mocker, edge_conf)
     ftbot.startup()
     assert reinit_mock.call_count == 0
+
+
+def test_process_i_am_alive(default_conf, mocker, caplog):
+    patch_RPCManager(mocker)
+    patch_exchange(mocker)
+    mocker.patch('freqtrade.exchange.Exchange.exchange_has', MagicMock(return_value=True))
+
+    ftbot = get_patched_freqtradebot(mocker, default_conf)
+    message = "I am alive."
+    ftbot.process()
+    assert log_has(message, caplog)
+    assert ftbot._last_alive_msg != 0
+
+    caplog.clear()
+    # Message is not shown before interval is up
+    ftbot.process()
+    assert not log_has(message, caplog)
+
+    caplog.clear()
+    # Set clock - 70 seconds
+    ftbot._last_alive_msg -= 70
+
+    ftbot.process()
+    assert log_has(message, caplog)