def test_decode_invalid_nrq():
try:
APRSUtils.decode_nrq("S29")
assert False
except ValueError:
assert True
except Exception:
assert False
def test_decode_nrq():
# Test with example from APRS 1.01
n, r, q = APRSUtils.decode_nrq("729")
assert n == 87.5
assert r == 4
assert q == 1
# Test with 0
n, r, q = APRSUtils.decode_nrq("029")
assert n == None
assert r == None
assert q == None
# Test with manual
n, r, q = APRSUtils.decode_nrq("929")
assert n == "manual"
# Test different qualities
# These don't fit neatly into 2 ** x
n, r, q = APRSUtils.decode_nrq("722")
assert q == 120
n, r, q = APRSUtils.decode_nrq("721")
assert q == 240
n, r, q = APRSUtils.decode_nrq("720")
assert q == None
