Align test directory with working directory

tests/util/test_formatters.py

@@ -0,0 +1,36 @@
+from freqtrade.util import decimals_per_coin, fmt_coin, round_value
+
+
+def test_decimals_per_coin():
+    assert decimals_per_coin("USDT") == 3
+    assert decimals_per_coin("EUR") == 3
+    assert decimals_per_coin("BTC") == 8
+    assert decimals_per_coin("ETH") == 5
+
+
+def test_fmt_coin():
+    assert fmt_coin(222.222222, "USDT") == "222.222 USDT"
+    assert fmt_coin(222.2, "USDT", keep_trailing_zeros=True) == "222.200 USDT"
+    assert fmt_coin(222.2, "USDT") == "222.2 USDT"
+    assert fmt_coin(222.12745, "EUR") == "222.127 EUR"
+    assert fmt_coin(0.1274512123, "BTC") == "0.12745121 BTC"
+    assert fmt_coin(0.1274512123, "ETH") == "0.12745 ETH"
+
+    assert fmt_coin(222.222222, "USDT", False) == "222.222"
+    assert fmt_coin(222.2, "USDT", False) == "222.2"
+    assert fmt_coin(222.00, "USDT", False) == "222"
+    assert fmt_coin(222.12745, "EUR", False) == "222.127"
+    assert fmt_coin(0.1274512123, "BTC", False) == "0.12745121"
+    assert fmt_coin(0.1274512123, "ETH", False) == "0.12745"
+    assert fmt_coin(222.2, "USDT", False, True) == "222.200"
+
+
+def test_round_value():
+    assert round_value(222.222222, 3) == "222.222"
+    assert round_value(222.2, 3) == "222.2"
+    assert round_value(222.00, 3) == "222"
+    assert round_value(222.12745, 3) == "222.127"
+    assert round_value(0.1274512123, 8) == "0.12745121"
+    assert round_value(0.1274512123, 5) == "0.12745"
+    assert round_value(222.2, 3, True) == "222.200"
+    assert round_value(222.2, 0, True) == "222"