Add telegram test

tests/rpc/test_rpc_telegram.py

@@ -1678,6 +1678,40 @@ def test_telegram_delete_trade(mocker, update, default_conf, fee, is_short):
     assert "Please make sure to take care of this asset" in msg_mock.call_args_list[0][0][0]
 
 
+@pytest.mark.parametrize('is_short', [True, False])
+def test_telegram_delete_open_order(mocker, update, default_conf, fee, is_short, ticker):
+
+    mocker.patch.multiple(
+        'freqtrade.exchange.Exchange',
+        fetch_ticker=ticker,
+    )
+    telegram, _, msg_mock = get_telegram_testobject(mocker, default_conf)
+    context = MagicMock()
+    context.args = []
+
+    telegram._cancel_open_order(update=update, context=context)
+    assert "Trade-id not set." in msg_mock.call_args_list[0][0][0]
+
+    msg_mock.reset_mock()
+    create_mock_trades(fee, is_short=is_short)
+
+    context = MagicMock()
+    context.args = [5]
+    telegram._cancel_open_order(update=update, context=context)
+    assert "No open order for trade_id" in msg_mock.call_args_list[0][0][0]
+
+    msg_mock.reset_mock()
+
+    trade = Trade.get_trades([Trade.id == 6]).first()
+    mocker.patch('freqtrade.exchange.Exchange.fetch_order',
+                 return_value=trade.orders[-1].to_ccxt_object())
+    context = MagicMock()
+    context.args = [6]
+    telegram._cancel_open_order(update=update, context=context)
+    assert msg_mock.call_count == 1
+    assert "Open order canceled." in msg_mock.call_args_list[0][0][0]
+
+
 def test_help_handle(default_conf, update, mocker) -> None:
     telegram, _, msg_mock = get_telegram_testobject(mocker, default_conf)