def test_shadow_clone_no_children():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
stc = st.clone(False)
assert st.id == stc.id
assert st.value == stc.value
assert len(stc.children) == 0
def test_shadow_add():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
st.add(SN("B1a"), 1)
assert st.allchildren == st.children
st.add(SN("B2a"), -1)
assert st.allchildren == st.children
def test_shadow_delete_add_end():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
st.remove(len(st.children) - 1)
st.add(SN("B1"), -1)
assert st.children == [SN("A1"), SN("A2"), SN("B1")]
assert st.allchildren == [SN("A1"), SN("A2"), SN("A3"), SN("B1")]
def test_shadow_update():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
st[2].value = "Ax"
assert st[2].value == "Ax"
assert st.children == [SN("A1"), SN("A2"), N("A3", "Ax")]
assert st.allchildren == [SN("A1"), SN("A2"), N("A3", "Ax")]
assert [x.status for x in st.allchildren] == [[], [], ['updated']]
def test_shadow_del_del():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
st.remove(0)
st.remove(0)
st.add(SN("B1"), 0)
assert st.children == [SN("B1"), SN("A3")]
assert st.allchildren == [SN("A1"), SN("A2"), SN("B1"), SN("A3")]
st.remove(0)
assert st.children == [SN("A3")]
assert st.allchildren == [SN("A1"), SN("A2"), SN("B1"), SN("A3")]
assert [x.status for x in st.allchildren] == [['deleted'], ['deleted'],
['inserted', 'deleted'], []]
def test_shadow_delete_add_begin():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
st.remove(0)
st.add(SN("B1"), 0)
assert st.children == [SN("B1"), SN("A2"), SN("A3")]
assert st.allchildren == [SN("A1"), SN("B1"), SN("A2"), SN("A3")]
st.add(SN("B2"), 1)
assert st.children == [SN("B1"), SN("B2"), SN("A2"), SN("A3")]
assert st.allchildren == [SN("A1"), SN("B1"), SN("B2"), SN("A2"), SN("A3")]
st.remove(2)
st.add(SN("B3"), 2)
assert st.children == [SN("B1"), SN("B2"), SN("B3"), SN("A3")]
assert st.allchildren == [
SN("A1"), SN("B1"),
SN("B2"), SN("A2"),
SN("B3"), SN("A3")
]
def test_shadow_clone():
t = N("R", "R", SN("A1"), SN("A2"), SN("A3"))
st = ShadowNode.convert(t)
stc = st.clone(True)
assertTreeEqual(st, stc)