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import unittest
from . import calculate_swi
class CalculateSwi(unittest.TestCase):
def test_out_of_range(self):
for dt, depth in [(20, -10), (-10, 25000), (20, 6e+4), (41, 25000), (41, -10)]:
with self.assertRaises(ValueError):
calculate_swi(dt, depth)
def test_between(self):
for dt, depth, low, high in [(6.53, 3e+4, 1, 2)]:
swi = calculate_swi(dt, depth)
self.assertGreater(swi, low)
self.assertLess(swi, high)
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