class TestStochastics:
def setup(self):
# Fixture Setup
self.stochastics = Stochastics(14, 3)
def test_name_returns_expected_string(self):
# Act, Assert
assert self.stochastics.name == "Stochastics"
def test_str_repr_returns_expected_string(self):
# Act, Assert
assert str(self.stochastics) == "Stochastics(14, 3)"
assert repr(self.stochastics) == "Stochastics(14, 3)"
def test_period_k_returns_expected_value(self):
# Act, Assert
assert self.stochastics.period_k == 14
def test_period_d_returns_expected_value(self):
# Act, Assert
assert self.stochastics.period_d == 3
def test_initialized_without_inputs_returns_false(self):
# Act, Assert
assert self.stochastics.initialized is False
def test_initialized_with_required_inputs_returns_true(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act, Assert
assert self.stochastics.initialized is True
def test_handle_bar_updates_indicator(self):
# Arrange
indicator = Stochastics(14, 3)
bar = TestDataStubs.bar_5decimal()
# Act
indicator.handle_bar(bar)
# Assert
assert indicator.has_inputs
assert indicator.value_k == 66.66666666641994
assert indicator.value_d == 66.66666666641994
def test_values_with_one_input_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act, Assert
assert self.stochastics.value_k == 50.0
assert self.stochastics.value_d == 50.0
def test_value_with_all_higher_inputs_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00030, 1.00010, 1.00020)
self.stochastics.update_raw(1.00040, 1.00020, 1.00030)
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
# Act, Assert
assert self.stochastics.value_k == 80.0
assert self.stochastics.value_d == 75.0
def test_value_with_all_lower_inputs_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
self.stochastics.update_raw(1.00040, 1.00020, 1.00030)
self.stochastics.update_raw(1.00030, 1.00010, 1.00020)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act, Assert
assert self.stochastics.value_k == 20.0
assert self.stochastics.value_d == 25.0
def test_reset_successfully_returns_indicator_to_fresh_state(self):
# Arrange
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
# Act
self.stochastics.reset() # No assertion errors
# Assert
assert not self.stochastics.initialized
assert self.stochastics.value_k == 0
assert self.stochastics.value_d == 0
class StochasticsTests(unittest.TestCase):
def setUp(self):
# Fixture Setup
self.stochastics = Stochastics(14, 3)
def test_name_returns_expected_string(self):
# Act
# Assert
self.assertEqual("Stochastics", self.stochastics.name)
def test_str_repr_returns_expected_string(self):
# Act
# Assert
self.assertEqual("Stochastics(14, 3)", str(self.stochastics))
self.assertEqual("Stochastics(14, 3)", repr(self.stochastics))
def test_period_k_returns_expected_value(self):
# Act
# Assert
self.assertEqual(14, self.stochastics.period_k)
def test_period_d_returns_expected_value(self):
# Act
# Assert
self.assertEqual(3, self.stochastics.period_d)
def test_initialized_without_inputs_returns_false(self):
# Act
# Assert
self.assertEqual(False, self.stochastics.initialized)
def test_initialized_with_required_inputs_returns_true(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act
# Assert
self.assertEqual(True, self.stochastics.initialized)
def test_handle_bar_updates_indicator(self):
# Arrange
indicator = Stochastics(14, 3)
bar = TestStubs.bar_5decimal()
# Act
indicator.handle_bar(bar)
# Assert
self.assertTrue(indicator.has_inputs)
self.assertEqual(66.66666666641994, indicator.value_k)
self.assertEqual(66.66666666641994, indicator.value_d)
def test_values_with_one_input_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act
# Assert
self.assertEqual(50.0, self.stochastics.value_k)
self.assertEqual(50.0, self.stochastics.value_d)
def test_value_with_all_higher_inputs_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
self.stochastics.update_raw(1.00030, 1.00010, 1.00020)
self.stochastics.update_raw(1.00040, 1.00020, 1.00030)
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
# Act
# Assert
self.assertEqual(80.0, self.stochastics.value_k)
self.assertEqual(75.0, self.stochastics.value_d)
def test_value_with_all_lower_inputs_returns_expected_value(self):
# Arrange
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
self.stochastics.update_raw(1.00040, 1.00020, 1.00030)
self.stochastics.update_raw(1.00030, 1.00010, 1.00020)
self.stochastics.update_raw(1.00020, 1.00000, 1.00010)
# Act
# Assert
self.assertEqual(20.0, self.stochastics.value_k)
self.assertEqual(25.0, self.stochastics.value_d)
def test_reset_successfully_returns_indicator_to_fresh_state(self):
# Arrange
self.stochastics.update_raw(1.00050, 1.00030, 1.00040)
# Act
self.stochastics.reset() # No assertion errors
# Assert
self.assertFalse(self.stochastics.initialized)
self.assertEqual(0, self.stochastics.value_k)
self.assertEqual(0, self.stochastics.value_d)