Example #1
0
def test_single_function():
    expr = """
def eval():
    return 100

eval() 
"""
    expr = MathExpression(expr)
    assert expr.eval() == 100
Example #2
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def test_complex_expr():
    expr = """

def mult(a, b):
    return a*b

def eval(c, d):
    return int(mult(c, d) + 1.0)

eval(c, d) 
"""
    expr = MathExpression(expr)
    assert expr.eval({'c': 21, 'd': 10}) == 211
Example #3
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def test_string_number():
    expr = MathExpression("100")
    assert expr.eval() == 100
Example #4
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def test_variables_mult():
    expr = MathExpression("Three*NAtoms")
    assert expr.eval({'NAtoms': 70, 'Three': 3}) == 210
Example #5
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def test_single_value():
    expr = MathExpression(1)
    assert expr.eval() == 1
Example #6
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def test_variables():
    expr = MathExpression("NAtoms")
    assert expr.eval({'NAtoms': 70}) == 70
Example #7
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def test_variable_mult():
    expr = MathExpression("3*NAtoms")
    assert expr.eval({'NAtoms': 70}) == 210
Example #8
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def test_number():
    expr = MathExpression(100)
    assert expr.eval() == 100
Example #9
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def test_division():
    expr = MathExpression("88//11")
    assert expr.eval() == 8
Example #10
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def test_mult():
    expr = MathExpression("88*10")
    assert expr.eval() == 880
Example #11
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def test_subtraction():
    expr = MathExpression("90-20")
    assert expr.eval() == 70
Example #12
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def test_addition():
    expr = MathExpression("90+20")
    assert expr.eval() == 110