class TestOnBalanceVolume:
def setup(self):
# Fixture Setup
self.obv = OnBalanceVolume(100)
def test_name_returns_expected_string(self):
# Arrange, Act, Assert
assert self.obv.name == "OnBalanceVolume"
def test_str_repr_returns_expected_string(self):
# Arrange, Act, Assert
assert str(self.obv) == "OnBalanceVolume(100)"
assert repr(self.obv) == "OnBalanceVolume(100)"
def test_period_returns_expected_value(self):
# Arrange, Act, Assert
assert self.obv.period == 100
def test_initialized_without_inputs_returns_false(self):
# Arrange, Act, Assert
assert self.obv.initialized is False
def test_initialized_with_required_inputs_returns_true(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act, Assert
assert self.obv.initialized is True
def test_handle_bar_updates_indicator(self):
# Arrange
indicator = OnBalanceVolume(100)
bar = TestStubs.bar_5decimal()
# Act
indicator.handle_bar(bar)
# Assert
assert indicator.has_inputs
assert indicator.value == 1000000
def test_value_with_one_input_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act, Assert
assert self.obv.value == 10000
def test_values_with_higher_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00000, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act, Assert
assert self.obv.value == 90000.0
def test_values_with_lower_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00010, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
# Act, Assert
assert self.obv.value == -90000.0
def test_reset_successfully_returns_indicator_to_fresh_state(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
self.obv.reset()
# Assert
assert not self.obv.initialized
class OnBalanceVolumeTests(unittest.TestCase):
def setUp(self):
# Fixture Setup
self.obv = OnBalanceVolume(100)
def test_name_returns_expected_string(self):
# Arrange
# Act
# Assert
self.assertEqual("OnBalanceVolume", self.obv.name)
def test_str_repr_returns_expected_string(self):
# Arrange
# Act
# Assert
self.assertEqual("OnBalanceVolume(100)", str(self.obv))
self.assertEqual("OnBalanceVolume(100)", repr(self.obv))
def test_period_returns_expected_value(self):
# Arrange
# Act
# Assert
self.assertEqual(100, self.obv.period)
def test_initialized_without_inputs_returns_false(self):
# Arrange
# Act
# Assert
self.assertEqual(False, self.obv.initialized)
def test_initialized_with_required_inputs_returns_true(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(True, self.obv.initialized)
def test_handle_bar_updates_indicator(self):
# Arrange
indicator = OnBalanceVolume(100)
bar = TestStubs.bar_5decimal()
# Act
indicator.handle_bar(bar)
# Assert
self.assertTrue(indicator.has_inputs)
self.assertEqual(100000, indicator.value)
def test_value_with_one_input_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(10000, self.obv.value)
def test_values_with_higher_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00000, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(90000.0, self.obv.value)
def test_values_with_lower_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00010, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
# Act
# Assert
self.assertEqual(-90000.0, self.obv.value)
def test_reset_successfully_returns_indicator_to_fresh_state(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
self.obv.reset()
# Assert
self.assertFalse(self.obv.initialized)
class OnBalanceVolumeTests(unittest.TestCase):
# Fixture Setup
def setUp(self):
# Arrange
self.obv = OnBalanceVolume(100)
def test_name_returns_expected_name(self):
# Act
# Assert
self.assertEqual("OnBalanceVolume", self.obv.name)
def test_str_returns_expected_string(self):
# Act
# Assert
self.assertEqual("OnBalanceVolume(100)", str(self.obv))
def test_repr_returns_expected_string(self):
# Act
# Assert
self.assertTrue(
repr(self.obv).startswith("<OnBalanceVolume(100) object at"))
self.assertTrue(repr(self.obv).endswith(">"))
def test_period_returns_expected_value(self):
# Act
# Assert
self.assertEqual(100, self.obv.period)
def test_initialized_without_inputs_returns_false(self):
# Act
# Assert
self.assertEqual(False, self.obv.initialized)
def test_initialized_with_required_inputs_returns_true(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(True, self.obv.initialized)
def test_value_with_one_input_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(10000, self.obv.value)
def test_values_with_higher_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00000, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
# Assert
self.assertEqual(90000.0, self.obv.value)
def test_values_with_lower_inputs_returns_expected_value(self):
# Arrange
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00010, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
self.obv.update_raw(1.00010, 1.00000, 10000)
# Act
# Assert
self.assertEqual(-90000.0, self.obv.value)
def test_reset_successfully_returns_indicator_to_fresh_state(self):
# Arrange
for _i in range(100):
self.obv.update_raw(1.00000, 1.00010, 10000)
# Act
self.obv.reset() # No assertion errors.
def test_with_battery_signal(self):
# Arrange
battery_signal = BatterySeries.create()
output = []
# Act
for point in BatterySeries.create():
self.obv.update_raw(sys.float_info.epsilon, point, 10000)
output.append(self.obv.value)
# Assert
self.assertEqual(len(battery_signal), len(output))