r = float(args.radius)
l_output = args.output
if l_output == "square":
print("""Calculation of the side length of a square containing the
same area as a selected circle.""")
calc_square = True
elif l_output == "pentagon":
print("""Calculation of the side length of a pentagon containing the
same area as a selected circle.""")
calc_square = False
else:
sys.exit("No further output objects have been implemented \
yet! Aborting...")
return r, calc_square
if __name__ == "__main__":
"""Main function that drives the calculation."""
# Get the input parameters
r, calc_square = parse_command_line()
# Calculate the area of the given circle
ac = tf.area_circ(r)
if calc_square:
# Get the side length of the square with same area
a_square = tf.side_square(ac)
else:
# Get the side length of the pentagon with same area
a_pentagon = tf.side_pentagon(ac)
def test_area_circ():
"""Test the area values against a reference for r >= 0."""
assert tf.area_circ(1) == np.pi, "should return pi"
assert tf.area_circ(0) == 0
assert tf.area_circ(2.1) == np.pi * 2.1**2
def test_area_circ(myinput, myref):
"""Test the area values against a reference for r >= 0."""
print(myinput)
assert tf.area_circ(myinput) == myref
def test_values():
"""Make sure value errors are recognized for area_circ."""
with pytest.raises(ValueError):
tf.area_circ(-5)
def test_area_circ(self):
"""Test the area values against a reference for r >= 0."""
self.assertEqual(tf.area_circ(1), np.pi)
self.assertEqual(tf.area_circ(0), 0)
self.assertEqual(tf.area_circ(2.1), np.pi * 2.1**2)