From dac9931b4a53aedeb4435483dcbb956203bb5530 Mon Sep 17 00:00:00 2001
From: Sam Germain <sam.germain@usask.ca>
Date: Tue, 3 May 2022 23:52:01 -0600
Subject: [PATCH] test_create_dry_run_order_fees

---
 tests/exchange/test_exchange.py | 41 +++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index 3edb5187c..ab51362a5 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -1125,6 +1125,47 @@ def test_create_dry_run_order(default_conf, mocker, side, exchange_name, leverag
     assert order["cost"] == 1 * 200 / leverage
 
 
+@pytest.mark.parametrize('side,is_short,order_reason', [
+    ("buy", False, "entry"),
+    ("sell", False, "exit"),
+    ("buy", True, "exit"),
+    ("sell", True, "entry"),
+])
+@pytest.mark.parametrize("order_type,price_side,fee", [
+    ("limit", "same", 1.0),
+    ("limit", "other", 2.0),
+    ("market", "same", 2.0),
+    ("market", "other", 2.0),
+])
+def test_create_dry_run_order_fees(
+    default_conf,
+    mocker,
+    side,
+    order_type,
+    is_short,
+    order_reason,
+    price_side,
+    fee,
+):
+    default_conf[f"{order_reason}_pricing"]["price_side"] = "same"
+    default_conf["order_types"][order_reason] = order_type
+    mocker.patch(
+        'freqtrade.exchange.Exchange.get_fee',
+        lambda symbol, taker_or_maker: 2.0 if taker_or_maker == 'taker' else 1.0
+    )
+    exchange = get_patched_exchange(mocker, default_conf)
+
+    order = exchange.create_dry_run_order(
+        pair='ADA/USDT',
+        ordertype=order_type,
+        side=side,
+        amount=10,
+        rate=2.0,
+    )
+
+    assert order['ft_fee_base'] == fee
+
+
 @pytest.mark.parametrize("side,startprice,endprice", [
     ("buy", 25.563, 25.566),
     ("sell", 25.566, 25.563)