Create test Utils package

tests/utils/test_ccxt_precise.py

@@ -0,0 +1,82 @@
+from freqtrade.util import FtPrecise
+
+
+ws = FtPrecise('-1.123e-6')
+ws = FtPrecise('-1.123e-6')
+xs = FtPrecise('0.00000002')
+ys = FtPrecise('69696900000')
+zs = FtPrecise('0')
+
+
+def test_FtPrecise():
+    assert ys * xs == '1393.938'
+    assert xs * ys == '1393.938'
+
+    assert ys + xs == '69696900000.00000002'
+    assert xs + ys == '69696900000.00000002'
+    assert xs - ys == '-69696899999.99999998'
+    assert ys - xs == '69696899999.99999998'
+    assert xs / ys == '0'
+    assert ys / xs == '3484845000000000000'
+
+    assert ws * xs == '-0.00000000000002246'
+    assert xs * ws == '-0.00000000000002246'
+
+    assert ws + xs == '-0.000001103'
+    assert xs + ws == '-0.000001103'
+
+    assert xs - ws == '0.000001143'
+    assert ws - xs == '-0.000001143'
+
+    assert xs / ws == '-0.017809439002671415'
+    assert ws / xs == '-56.15'
+
+    assert zs * ws == '0'
+    assert zs * xs == '0'
+    assert zs * ys == '0'
+    assert ws * zs == '0'
+    assert xs * zs == '0'
+    assert ys * zs == '0'
+
+    assert zs + ws == '-0.000001123'
+    assert zs + xs == '0.00000002'
+    assert zs + ys == '69696900000'
+    assert ws + zs == '-0.000001123'
+    assert xs + zs == '0.00000002'
+    assert ys + zs == '69696900000'
+
+    assert abs(FtPrecise('-500.1')) == '500.1'
+    assert abs(FtPrecise('213')) == '213'
+
+    assert abs(FtPrecise('-500.1')) == '500.1'
+    assert -FtPrecise('213') == '-213'
+
+    assert FtPrecise('10.1') % FtPrecise('0.5') == '0.1'
+    assert FtPrecise('5550') % FtPrecise('120') == '30'
+
+    assert FtPrecise('-0.0') == FtPrecise('0')
+    assert FtPrecise('5.534000') == FtPrecise('5.5340')
+
+    assert min(FtPrecise('-3.1415'), FtPrecise('-2')) == '-3.1415'
+
+    assert max(FtPrecise('3.1415'), FtPrecise('-2')) == '3.1415'
+
+    assert FtPrecise('2') > FtPrecise('1.2345')
+    assert not FtPrecise('-3.1415') > FtPrecise('-2')
+    assert not FtPrecise('3.1415') > FtPrecise('3.1415')
+    assert FtPrecise.string_gt('3.14150000000000000000001', '3.1415')
+
+    assert FtPrecise('3.1415') >= FtPrecise('3.1415')
+    assert FtPrecise('3.14150000000000000000001') >= FtPrecise('3.1415')
+
+    assert not FtPrecise('3.1415') < FtPrecise('3.1415')
+
+    assert FtPrecise('3.1415') <= FtPrecise('3.1415')
+    assert FtPrecise('3.1415') <= FtPrecise('3.14150000000000000000001')
+
+    assert FtPrecise(213) == '213'
+    assert FtPrecise(-213) == '-213'
+    assert str(FtPrecise(-213)) == '-213'
+    assert FtPrecise(213.2) == '213.2'
+    assert float(FtPrecise(213.2)) == 213.2
+    assert float(FtPrecise(-213.2)) == -213.2

tests/utils/test_periodiccache.py

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+import time_machine
+
+from freqtrade.util import PeriodicCache
+
+
+def test_ttl_cache():
+
+    with time_machine.travel("2021-09-01 05:00:00 +00:00") as t:
+
+        cache = PeriodicCache(5, ttl=60)
+        cache1h = PeriodicCache(5, ttl=3600)
+
+        assert cache.timer() == 1630472400.0
+        cache['a'] = 1235
+        cache1h['a'] = 555123
+        assert 'a' in cache
+        assert 'a' in cache1h
+
+        t.move_to("2021-09-01 05:00:59 +00:00")
+        assert 'a' in cache
+        assert 'a' in cache1h
+
+        # Cache expired
+        t.move_to("2021-09-01 05:01:00 +00:00")
+        assert 'a' not in cache
+        assert 'a' in cache1h
+
+        t.move_to("2021-09-01 05:59:59 +00:00")
+        assert 'a' not in cache
+        assert 'a' in cache1h
+
+        t.move_to("2021-09-01 06:00:00 +00:00")
+        assert 'a' not in cache
+        assert 'a' not in cache1h