def test_normalize_shipname_upcase():
result = normalize_shipname("MixEd")
assert result == "MIXED"
def test_normalize_shipname_1c():
result = normalize_shipname("a")
assert result == "A"
def test_normalize_shipname_no():
result = normalize_shipname("no")
assert result == "NO"
def test_normalize_shipname_romans():
result = normalize_shipname("boat IX")
assert result == "BOAT9"
def test_normalize_shipname_empty():
result = normalize_shipname("")
assert result == None
def test_normalize_shipname_nodot():
result = normalize_shipname("no. boat")
assert result == "BOAT"
def test_normalize_shipname_nonumber():
result = normalize_shipname("no537 boat")
assert result == 'BOAT537'
def test_normalize_shipname_none():
result = normalize_shipname(None)
assert result == None
def test_normalize_shipname_RV():
result = normalize_shipname("r/v boat othername")
assert result == "BOATOTHERNAME"
def test_normalize_shipname_FB():
result = normalize_shipname("f/b boat f/v othername")
assert result == "BOATOTHERNAME"
def test_normalize_shipname_spaces():
result = normalize_shipname(" \tspaced \nname ")
assert result == "SPACEDNAME"
def test_normalize_shipname_symbols():
result = normalize_shipname("weird -+%()<>$;!&'`\\.#/")
assert result == "WEIRD"