From cb3cf960d734373618f878bde2632317a366dd25 Mon Sep 17 00:00:00 2001
From: misagh <misagh.shakeri@gmail.com>
Date: Wed, 21 Nov 2018 19:47:28 +0100
Subject: [PATCH] tests added in case of missing data

---
 freqtrade/tests/test_wallets.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/freqtrade/tests/test_wallets.py b/freqtrade/tests/test_wallets.py
index a5295579b..cc10d665c 100644
--- a/freqtrade/tests/test_wallets.py
+++ b/freqtrade/tests/test_wallets.py
@@ -55,3 +55,30 @@ def test_sync_wallet_at_boot(mocker, default_conf):
     assert freqtrade.wallets.wallets['GAS'].free == 0.270739
     assert freqtrade.wallets.wallets['GAS'].used == 0.1
     assert freqtrade.wallets.wallets['GAS'].total == 0.260439
+
+
+def test_sync_wallet_missing_data(mocker, default_conf):
+    mocker.patch.multiple(
+        'freqtrade.exchange.Exchange',
+        get_balances=MagicMock(return_value={
+            "BNT": {
+                "free": 1.0,
+                "used": 2.0,
+                "total": 3.0
+            },
+            "GAS": {
+                "free": 0.260739,
+                "total": 0.260739
+            },
+        })
+    )
+
+    freqtrade = get_patched_freqtradebot(mocker, default_conf)
+
+    assert len(freqtrade.wallets.wallets) == 2
+    assert freqtrade.wallets.wallets['BNT'].free == 1.0
+    assert freqtrade.wallets.wallets['BNT'].used == 2.0
+    assert freqtrade.wallets.wallets['BNT'].total == 3.0
+    assert freqtrade.wallets.wallets['GAS'].free == 0.260739
+    assert freqtrade.wallets.wallets['GAS'].used is None
+    assert freqtrade.wallets.wallets['GAS'].total == 0.260739