move timeframe_to* tests to test_exchange_utils

tests/exchange/test_exchange_utils.py

@@ -7,7 +7,8 @@ from ccxt import DECIMAL_PLACES, ROUND, ROUND_UP, TICK_SIZE, TRUNCATE
 from freqtrade.enums import RunMode
 from freqtrade.exceptions import OperationalException
 from freqtrade.exchange import (amount_to_precision, date_minus_candles, price_to_precision,
-                                timeframe_to_prev_date)
+                                timeframe_to_minutes, timeframe_to_msecs, timeframe_to_next_date,
+                                timeframe_to_prev_date, timeframe_to_seconds)
 from freqtrade.exchange.check_exchange import check_exchange
 from tests.conftest import log_has_re
 
@@ -100,6 +101,84 @@ def test_date_minus_candles():
     assert date_minus_candles("1h", 3) == timeframe_to_prev_date('1h') - timedelta(hours=3)
 
 
+def test_timeframe_to_minutes():
+    assert timeframe_to_minutes("5m") == 5
+    assert timeframe_to_minutes("10m") == 10
+    assert timeframe_to_minutes("1h") == 60
+    assert timeframe_to_minutes("1d") == 1440
+
+
+def test_timeframe_to_seconds():
+    assert timeframe_to_seconds("5m") == 300
+    assert timeframe_to_seconds("10m") == 600
+    assert timeframe_to_seconds("1h") == 3600
+    assert timeframe_to_seconds("1d") == 86400
+
+
+def test_timeframe_to_msecs():
+    assert timeframe_to_msecs("5m") == 300000
+    assert timeframe_to_msecs("10m") == 600000
+    assert timeframe_to_msecs("1h") == 3600000
+    assert timeframe_to_msecs("1d") == 86400000
+
+
+def test_timeframe_to_prev_date():
+    # 2019-08-12 13:22:08
+    date = datetime.fromtimestamp(1565616128, tz=timezone.utc)
+
+    tf_list = [
+        # 5m -> 2019-08-12 13:20:00
+        ("5m", datetime(2019, 8, 12, 13, 20, 0, tzinfo=timezone.utc)),
+        # 10m -> 2019-08-12 13:20:00
+        ("10m", datetime(2019, 8, 12, 13, 20, 0, tzinfo=timezone.utc)),
+        # 1h -> 2019-08-12 13:00:00
+        ("1h", datetime(2019, 8, 12, 13, 00, 0, tzinfo=timezone.utc)),
+        # 2h -> 2019-08-12 12:00:00
+        ("2h", datetime(2019, 8, 12, 12, 00, 0, tzinfo=timezone.utc)),
+        # 4h -> 2019-08-12 12:00:00
+        ("4h", datetime(2019, 8, 12, 12, 00, 0, tzinfo=timezone.utc)),
+        # 1d -> 2019-08-12 00:00:00
+        ("1d", datetime(2019, 8, 12, 00, 00, 0, tzinfo=timezone.utc)),
+    ]
+    for interval, result in tf_list:
+        assert timeframe_to_prev_date(interval, date) == result
+
+    date = datetime.now(tz=timezone.utc)
+    assert timeframe_to_prev_date("5m") < date
+    # Does not round
+    time = datetime(2019, 8, 12, 13, 20, 0, tzinfo=timezone.utc)
+    assert timeframe_to_prev_date('5m', time) == time
+    time = datetime(2019, 8, 12, 13, 0, 0, tzinfo=timezone.utc)
+    assert timeframe_to_prev_date('1h', time) == time
+
+
+def test_timeframe_to_next_date():
+    # 2019-08-12 13:22:08
+    date = datetime.fromtimestamp(1565616128, tz=timezone.utc)
+    tf_list = [
+        # 5m -> 2019-08-12 13:25:00
+        ("5m", datetime(2019, 8, 12, 13, 25, 0, tzinfo=timezone.utc)),
+        # 10m -> 2019-08-12 13:30:00
+        ("10m", datetime(2019, 8, 12, 13, 30, 0, tzinfo=timezone.utc)),
+        # 1h -> 2019-08-12 14:00:00
+        ("1h", datetime(2019, 8, 12, 14, 00, 0, tzinfo=timezone.utc)),
+        # 2h -> 2019-08-12 14:00:00
+        ("2h", datetime(2019, 8, 12, 14, 00, 0, tzinfo=timezone.utc)),
+        # 4h -> 2019-08-12 14:00:00
+        ("4h", datetime(2019, 8, 12, 16, 00, 0, tzinfo=timezone.utc)),
+        # 1d -> 2019-08-13 00:00:00
+        ("1d", datetime(2019, 8, 13, 0, 0, 0, tzinfo=timezone.utc)),
+    ]
+
+    for interval, result in tf_list:
+        assert timeframe_to_next_date(interval, date) == result
+
+    date = datetime.now(tz=timezone.utc)
+    assert timeframe_to_next_date("5m") > date
+
+    date = datetime(2019, 8, 12, 13, 30, 0, tzinfo=timezone.utc)
+    assert timeframe_to_next_date("5m", date) == date + timedelta(minutes=5)
+
 
 @pytest.mark.parametrize("amount,precision_mode,precision,expected", [
     (2.34559, 2, 4, 2.3455),