def test_vars(self):
"""Test the evaluate_expression functionality with local vars"""
assert mavexpression.evaluate_expression('lat+10',
self.varsDict) == 15.67
assert mavexpression.evaluate_expression('4.0/speed',
self.varsDict) == 0.5
assert mavexpression.evaluate_expression('speed+lat+wrong',
self.varsDict) is None
def test_mavextra(self):
"""Test evaluate_expression using the functions in mavextra.py"""
assert mavexpression.evaluate_expression('kmh(10)', {}) == 36
assert mavexpression.evaluate_expression('angle_diff(170, -90)',
{}) == -100
def test_novars(self):
"""Test the evaluate_expression functionality"""
assert mavexpression.evaluate_expression('1+2', {}) == 3
assert mavexpression.evaluate_expression('4/0', {}) is None
assert mavexpression.evaluate_expression('A+4', {}) is None
def evaluate_expression(expression, vars):
'''evaluation an expression'''
return mavexpression.evaluate_expression(expression, vars)