def test_operate():
assert specs.operate(4, 5, '+') == 9, "failed for '+' operator"
assert specs.operate(3, 6, '-') == -3, "failed for '-' operator"
assert specs.operate(6, -7, '*') == -42, "failed for '*' operator"
assert specs.operate(15, 3, '/') == 5, "failed for '/' operator"
with pytest.raises(TypeError) as excinfo_1:
specs.operate(14, 2, 5)
assert excinfo_1.value.args[0] == "oper must be a string"
with pytest.raises(ZeroDivisionError) as excinfo_2:
specs.operate(4, 0, '/')
assert excinfo_2.value.args[0] == "division by zero is undefined"
with pytest.raises(ValueError) as excinfo_3:
specs.operate(3, 2, '=')
assert excinfo_3.value.args[0] == "oper must be one of '+', '/', '-', or '*'"
def test_operate():
with pytest.raises(TypeError) as excinfo:
specs.operate(1, 2, 4)
assert excinfo.value.args[0] == "oper must be a string"
assert specs.operate(4, 10, '+') == 14, "failed on '+'"
assert specs.operate(10, 4, '-') == 6, "failed on '-'"
assert specs.operate(4, 10, '*') == 40, "failed on '*'"
assert specs.operate(12, 4, '/') == 3, "failed on '/'"
with pytest.raises(ZeroDivisionError) as excinfo:
specs.operate(4, 0, '/')
assert excinfo.value.args[0] == "division by zero is undefined"
with pytest.raises(ValueError) as excinfo:
specs.operate(10, 4, '%')
assert excinfo.value.args[0] == "oper must be one of '+', '/', '-', or '*'"
def test_operate():
#test cases for all conditions
assert specs.operate(1, 2, "+") == 3
assert specs.operate(3, 5, "-") == -2
assert specs.operate(2, 3, "*") == 6
assert specs.operate(6, 3, "/") == 2
with pytest.raises(ZeroDivisionError) as excinfo:
specs.operate(4, 0, "/")
assert excinfo.value.args[0] == "division by zero is undefined"
with pytest.raises(TypeError) as excinfo:
specs.operate(4, 0, 2)
assert excinfo.value.args[0] == "oper must be a string"
with pytest.raises(ValueError) as excinfo:
specs.operate(4, 0, "^")
assert excinfo.value.args[0] == "oper must be one of '+', '/', '-', or '*'"
def test_operate():
assert specs.operate(3, 4, "+") == 7, "addition operation failed"
assert specs.operate(5, 4, "-") == 1, "subtraction operation failed"
assert specs.operate(3, 4, "*") == 12, "multiplication operation failed"
assert specs.operate(12, 3, "/") == 4, "Division failed"
pytest.raises(TypeError, specs.operate, a=3, b=3, oper=3)
pytest.raises(ValueError, specs.operate, a=3, b=3, oper="^")
with pytest.raises(ZeroDivisionError) as excinfo:
specs.operate(4, 0, "/")
#FOR SOME REASON THE MESSAGE THAT IS RETURNED with the error in the assert must match
#the error that is given by the raise in spec.py - INTERESTING. My hypothesis was correct.
assert excinfo.value.args[0] == "division by zero is undefined"
def test_operate():
"""tests operations on two numbers"""
assert specs.operate(1, 2, '+') == 3, "Failed on positive + positive"
assert specs.operate(1, 0, '+') == 1, "Failed on positive + zero"
assert specs.operate(1, -2, '+') == -1, "Failed on positive + negative"
assert specs.operate(0, 0, '+') == 0, "Failed on zero + zero"
assert specs.operate(1, 2, '-') == -1, "Failed on positive + positive"
assert specs.operate(1, 0, '-') == 1, "Failed on positive + positive"
assert specs.operate(1, -2, '-') == 3, "Failed on positive + positive"
assert specs.operate(0, 0, '-') == 0, "Failed on positive + positive"
assert specs.operate(1, 2, '*') == 2, "Failed on positive + positive"
assert specs.operate(1, 0, '*') == 0, "Failed on positive + positive"
assert specs.operate(1, -2, '*') == -2, "Failed on positive + positive"
assert specs.operate(0, 0, '*') == 0, "Failed on positive + positive"
assert specs.operate(1, 2, '/') == 0.5, "Failed on positive + positive"
assert specs.operate(1, -2, '/') == -0.5, "Failed on positive + positive"
assert specs.operate(-1, 2, '/') == -0.5, "Failed on positive + positive"
assert specs.operate(0, 2, '/') == 0, "Failed on positive + positive"
pytest.raises(ZeroDivisionError, specs.operate, a=1, b=0, oper='/')
pytest.raises(ZeroDivisionError, specs.operate, a=0, b=0, oper='/')
pytest.raises(TypeError, specs.operate, a=1, b=2,
oper=9) #tests non-operator
pytest.raises(ValueError, specs.operate, a=1, b=2, oper='test')