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test_safecatmath.py
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test_safecatmath.py
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import pytest
from catinabox import safecatmath
def test__cat_years_to_hooman_years__middle_age__succeeds():
hooman_age = safecatmath.cat_years_to_hooman_years(7)
assert hooman_age == 35
def test__cat_years_to_hooman_years__less_than_one_year__succeeds():
hooman_age = safecatmath.cat_years_to_hooman_years(0.1)
assert hooman_age == 0.5
def test__cat_years_to_hooman_years__0__returns_0():
hooman_age = safecatmath.cat_years_to_hooman_years(0)
assert hooman_age == 0
def test__cat_years_to_hooman_years__less_0__raises():
with pytest.raises(safecatmath.InvalidAge):
safecatmath.cat_years_to_hooman_years(-4)
def test__cat_years_to_hooman_years__older_than_1000__raises():
with pytest.raises(safecatmath.InvalidAge):
safecatmath.cat_years_to_hooman_years(1000.1)
def test__cat_years_to_hooman_years__string__raises():
with pytest.raises(safecatmath.InvalidAge):
safecatmath.cat_years_to_hooman_years("five")
def test__cat_years_to_hooman_years__nan__raises():
hooman_age = float('nan')
with pytest.raises(safecatmath.InvalidAge):
safecatmath.cat_years_to_hooman_years(hooman_age)