def test_bad():
with pytest.raises(ValueError):
State.parse("")
with pytest.raises(ValueError):
State.parse("p=Mx v")
with pytest.raises(ValueError):
State.parse("p=Mxq")
with pytest.raises(ValueError):
State.parse("d=potato")
with pytest.raises(ValueError):
State.parse("Δ+C")
def test_simple_3():
s = "d=80"
state = State.parse(s)
assert state.d == 0x80
for var in ("m", "x", "c", "e", "b"):
assert getattr(state, var) is None
assert state.encode() == s
def test_simple_1():
s = "p=e"
state = State.parse(s)
assert state.e is False
for var in ("m", "x", "c", "b", "d"):
assert getattr(state, var) is None
assert state.encode() == s
def test_simple_2():
s = "b=12"
state = State.parse(s)
assert state.b == 0x12
for var in ("m", "x", "c", "e", "d"):
assert getattr(state, var) is None
assert state.encode() == s
def test_combined_2():
s = "d=10 b=f p=Cm"
state = State.parse(s)
assert state.m is False
assert state.x is None
assert state.c is True
assert state.e is None
assert state.b == 0xf
assert state.d == 0x10
assert state.encode() == "p=mC b=f d=10"
def test_combined_1():
s = "p=MxE d=0"
state = State.parse(s)
assert state.m is True
assert state.x is False
assert state.c is None
assert state.e is True
assert state.b is None
assert state.d == 0
assert state.encode() == s
def test_add_3():
state = State(c=False)
s = "d=60"
delta = StateDelta.parse(s)
state = delta.apply(state)
assert state.c is False
assert state.d == 0x60
assert delta.encode() == s
def test_combined():
state = State(e=True, b=0x13, d=0x66)
s = "-ed +X"
delta = StateDelta.parse(s)
state = delta.apply(state)
assert state.e is None
assert state.b == 0x13
assert state.d is None
assert state.x is True
assert delta.encode() == "+X -ed"
def test_add_2():
state = State(x=True, b=0xff)
s = "+m b=03 d=a2"
delta = StateDelta.parse(s)
state = delta.apply(state)
assert state.x is True
assert state.m is False
assert state.b == 0x03
assert state.d == 0xa2
assert delta.encode() == s
def test_add_1():
state = State()
for var in ("m", "x", "c", "e", "b", "d"):
assert getattr(state, var) is None
s = "+C"
delta = StateDelta.parse(s)
state = delta.apply(state)
assert state.c is True
for var in ("m", "x", "e", "b", "d"):
assert getattr(state, var) is None
assert delta.encode() == s
def test_clear():
state = State(e=True, m=False, x=True, c=False, b=1, d=2)
s = "-ecd"
delta = StateDelta.parse(s)
state = delta.apply(state)
assert state.e is None
assert state.m is False
assert state.x is True
assert state.c is None
assert state.b == 1
assert state.d is None
assert delta.encode() == s
def test_unknown():
s = "unknown"
state = State.parse(s)
for var in ("e", "m", "x", "c", "b", "d"):
assert getattr(state, var) is None
assert state.encode() == s