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_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 setUp(self):
# Arrange
self.obv = OnBalanceVolume(100)
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(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(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(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00000, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(1.00000, 1.00010, 10000)
self.obv.update(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(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00010, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(1.00010, 1.00000, 10000)
self.obv.update(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(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(sys.float_info.epsilon, point, 10000)
output.append(self.obv.value)
# Assert
self.assertEqual(len(battery_signal), len(output))
def setUp(self):
# Fixture Setup
self.obv = OnBalanceVolume(100)
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 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