def test_viscosity_at_20_iso46(self):
assert Viscosity().viscosity_at_any_temp(46, 7, 20) == 130.66
def test_viscosity_at_100(self):
assert Viscosity().viscosity_at_100(112, v_index=140) == 15.12
def test_viscosity_at_20_iso5(self):
assert Viscosity().viscosity_at_any_temp(4.6, 2, 20) == 6.89
def test_viscosity_index_input_lt_2(self):
Viscosity().viscosity_index(1.5, 1)
def test_viscosity_at_40(self):
assert Viscosity().viscosity_at_40(15, v_index=130) == 119.6
def test_viscosity_index_cero_kv100_input(self):
Viscosity().viscosity_index(150, 0)
def test_viscosity_index_kv40_lt_kv100_input(self):
Viscosity().viscosity_index(15, 150)
def test_viscosity_index_inf_input(self):
Viscosity().viscosity_index(float('inf'), '18,1')
def test_viscosity_index_cero_kv40_input(self):
Viscosity().viscosity_index(0, '18,1')
def test_viscosity_index_coma_input(self):
assert Viscosity().viscosity_index('138,9', '18,1') == 145
def test_viscosity_index_string_input(self):
assert Viscosity().viscosity_index('138.9', '18.1') == 145
def test_viscosity_index_145(self):
assert Viscosity().viscosity_index(138.9, 18.1) == 145
def test_viscosity_index_92(self):
assert Viscosity().viscosity_index(73.3, 8.86) == 92
def test_viscosity_index_156(self):
assert Viscosity().viscosity_index(22.83, 5.05) == 156