def test_get_given_none_raises_value_error(self, value, ex):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
# Act
# Assert
with pytest.raises(ex):
cache.get(value)
def test_keys_when_cache_empty_returns_empty_list(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
# Act
result = cache.keys()
# Assert
assert [] == result
def test_cache_initialization(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
# Act
# Assert
self.assertEqual(str, cache.type_key)
self.assertEqual(Symbol, cache.type_value)
self.assertEqual([], cache.keys())
def test_cache_initialization(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
# Act
# Assert
assert str == cache.type_key
assert InstrumentId == cache.type_value
assert [] == cache.keys()
def test_keys_when_cache_empty_returns_empty_list(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
# Act
result = cache.keys()
# Assert
self.assertEqual([], result)
def test_cache_initialization(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
# Act
# Assert
assert cache.type_key == str
assert cache.type_value == InstrumentId
assert cache.keys() == []
def test_get_from_empty_cache(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
instrument_id = "AUD/USD.SIM,FX,SPOT"
# Act
result = cache.get(instrument_id)
# Assert
assert instrument_id == str(result)
assert ["AUD/USD.SIM,FX,SPOT"] == cache.keys()
def test_get_from_empty_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
symbol = "AUD/USD.SIM"
# Act
result = cache.get(symbol)
# Assert
self.assertEqual(symbol, str(result))
self.assertEqual(["AUD/USD.SIM"], cache.keys())
def test_can_get_from_empty_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.py_from_string)
symbol = 'AUDUSD.FXCM'
# Act
result = cache.get(symbol)
# Assert
self.assertEqual(symbol, str(result))
self.assertEqual(['AUDUSD.FXCM'], cache.keys())
def test_get_given_none_raises_value_error(self, value, ex):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
# Act
# Assert
self.assertRaises(ex, cache.get, value)
def test_clear_cache(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
instrument_id = "AUD/USD.SIM,FX,SPOT"
cache.get(instrument_id)
# Act
cache.clear()
# Assert
assert [] == cache.keys()
def test_clear_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
symbol = "AUD/USD.SIM"
cache.get(symbol)
# Act
cache.clear()
# Assert
self.assertEqual([], cache.keys())
def test_can_clear_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.py_from_string)
symbol = 'AUDUSD.FXCM'
cache.get(symbol)
# Act
cache.clear()
# Assert
self.assertEqual([], cache.keys())
def test_get_from_cache(self):
# Arrange
cache = ObjectCache(InstrumentId, InstrumentId.from_str)
instrument_id = "AUD/USD.SIM,FX,SPOT"
cache.get(instrument_id)
# Act
cache.get(instrument_id)
result1 = cache.get(instrument_id)
result2 = cache.get(instrument_id)
# Assert
assert instrument_id == str(result1)
assert id(result1) == id(result2)
assert ["AUD/USD.SIM,FX,SPOT"] == cache.keys()
def test_get_from_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.from_str)
symbol = "AUD/USD.SIM"
cache.get(symbol)
# Act
cache.get(symbol)
result1 = cache.get(symbol)
result2 = cache.get(symbol)
# Assert
self.assertEqual(symbol, str(result1))
self.assertEqual(id(result1), id(result2))
self.assertEqual(["AUD/USD.SIM"], cache.keys())
def test_can_get_from_cache(self):
# Arrange
cache = ObjectCache(Symbol, Symbol.py_from_string)
symbol = 'AUDUSD.FXCM'
cache.get(symbol)
# Act
cache.get(symbol)
result1 = cache.get(symbol)
result2 = cache.get(symbol)
# Assert
self.assertEqual(symbol, str(result1))
self.assertEqual(id(result1), id(result2))
self.assertEqual(['AUDUSD.FXCM'], cache.keys())