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test_moves.py
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test_moves.py
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from moves import *
def test_move_local1():
assert list(move_local1(TreePair("((oo)o) / (o(oo))"))) \
== []
assert list(move_local1(TreePair("((o(oo))o) / ((oo)(oo))"))) \
== [TreePair("((oo)o) / (o(oo))")]
assert list(move_local1(TreePair("(((oo)o)((oo)o)) / (o((o(oo))(oo)))"))) \
== []
assert list(move_local1(TreePair("(((oo)o)((o(oo))o)) / (o((o(o(oo)))(oo)))"))) \
== [TreePair("(((oo)o)((oo)o)) / (o((o(oo))(oo)))")]
def test_move_outside1():
assert list(move_outside1(TreePair("((oo)o) / (o(oo))"))) \
== [TreePair("(o(oo)) / ((oo)o)")]
assert list(move_outside1(TreePair("(o(oo)) / ((oo)o)")))\
== []
slat_on_top = TreePair("(o(((oo)o)((oo)o)))", "((oo)((o(oo))(oo)))")
slat_on_bottom = TreePair("((((oo)o)o)((oo)o))", "(o(o((o(oo))(oo))))")
assert list(move_outside1(slat_on_bottom)) == [slat_on_top]
assert list(move_outside1(slat_on_top)) == []
def test_move_local2():
curled_up = TreePair("(o((o(oo))o)) / (((o(oo))o)o)")
uncurled = TreePair("(o(oo)) / ((oo)o)")
assert list(move_local2(curled_up)) == [uncurled]
assert list(move_local2(uncurled)) == []
def test_move_local2_improved():
(curled_up,) = move_rotate(TreePair("(o((o(oo))o)) / (((o(oo))o)o)"))
(uncurled,) = move_rotate(TreePair("(o(oo)) / ((oo)o)"))
assert list(move_local2_improved(curled_up)) == [uncurled]
assert list(move_local2_improved(uncurled)) == []
curled_up_2 = TreePair("((o((oo)(oo)))o) / ((((oo)o)o)(oo))")
uncurled_2 = TreePair("((o(oo))o) / ((oo)(oo))")
assert list(move_local2_improved(curled_up_2)) == [uncurled_2]
assert list(move_local2_improved(uncurled_2)) == []
def test_move_local2_improved2():
(curled_up,) = move_rotate(TreePair("(o((o(oo))o)) / (((o(oo))o)o)"))
(uncurled,) = move_rotate(TreePair("(o(oo)) / ((oo)o)"))
assert list(move_local2_improved2(curled_up)) == [uncurled]
assert list(move_local2_improved2(uncurled)) == []
curled_up_2 = TreePair("((o((oo)(oo)))o) / ((((oo)o)o)(oo))")
uncurled_2 = TreePair("((o(oo))o) / ((oo)(oo))")
assert list(move_local2_improved2(curled_up_2)) == [uncurled_2]
assert list(move_local2_improved2(uncurled_2)) == []
curled_up_3 = TreePair("(o((((oo)o)(oo))o)) / (((oo)o)((oo)(oo)))")
uncurled_3 = TreePair("(((oo)(oo))o) / (o((oo)(oo)))")
assert list(move_local2_improved2(curled_up_3)) == [uncurled_3]
assert list(move_local2_improved2(uncurled_3)) == []
def test_move_outside2():
with_extra = TreePair("(o((o((oo)o))(oo))) / (((o(oo))(o(oo)))o)")
no_extra = TreePair("((o((oo)o))(oo)) / (((oo)(o(oo)))o)")
assert list(move_outside2(with_extra)) == [no_extra]
assert list(move_outside2(no_extra)) == []
with_extra2 = TreePair("(o((oo)(oo))) / (((o(oo))o)o)")
no_extra2 = TreePair("((oo)(oo)) / (((oo)o)o)")
assert list(move_outside2(with_extra2)) == [no_extra2]
assert list(move_outside2(no_extra2)) == []
no_extra3 = TreePair('((oo)(o(oo))) / ((o((oo)o))o)')
with_extra3 = TreePair('(o((oo)(o(oo)))) / ((o(o((oo)o)))o)')
assert list(move_outside2(with_extra3)) == []
def test_move_insert_block():
template = "((({}{}){}){}) / ({}(({}{}){}))"
noop = TreePair(template.format(*"o o o o o o o o".split()))
assert list(move_insert_block(noop)) == []
not_unlinks = TreePair(template.format(*"(oo) (oo) (oo) (oo) (oo) (oo) (oo) (oo)".split()))
assert list(move_insert_block(not_unlinks)) == []
at_2 = TreePair(template.format(*"o ((oo)o) o o o (o(oo)) o o".split()))
at_4 = TreePair(template.format(*"o o o (o(oo)) o o o ((oo)o)".split()))
at_24 = TreePair(template.format(*"o ((oo)o) o (o(oo)) o (o(oo)) o ((oo)o)".split()))
assert set(move_insert_block(at_2)) == {noop}
assert set(move_insert_block(at_4)) == {noop}
assert set(move_insert_block(at_24)) == {at_2, at_4}
unknot_a = TreePair("((oo)o) / (o(oo))")
b_template = "(o(({}(oo))o)) / ((((o{})o)o)o)"
unknot_b = TreePair(b_template.format("o", "o"))
a_into_b = TreePair(b_template.format(*unknot_a))
assert set(move_insert_block(a_into_b)) == {unknot_a, unknot_b}
def test_move_local3():
before = TreePair("(o(o(oo))) / (((oo)o)o)")
after = TreePair("((oo)o) / (o(oo))")
assert list(move_local3(before)) == [after]
assert list(move_local3(after)) == []
before2 = TreePair("(o((o(o(oo)))o)) / ((o((oo)o))(oo))")
after2 = TreePair("(o(((oo)o)o)) / ((oo)((oo)o))")
assert list(move_local3(before2)) == [after2]
assert list(move_local3(after2)) == []
def test_move_local4():
before1 = TreePair("(o(o(o(oo)))) / ((((oo)o)o)o)")
after1 = TreePair("(oo) / (oo)")
assert list(move_local4(before1)) == [after1]
before2 = TreePair("(o((o(o(o(o(oo)))))o)) / (o((((oo)o)o)(o(oo))))")
after2 = TreePair("(o((o(oo))o)) / (o(o(o(oo))))")
assert list(move_local4(before2)) == [after2]
def test_move_local5():
before1 = TreePair("(o((oo)o)) / (((oo)o)o)")
after1 = TreePair("(oo) / (oo)")
assert list(move_local5(before1)) == [after1]
before2 = TreePair("((o((oo)(oo)))o) / (((oo)o)(o(oo)))")
after2 = TreePair("((o(oo))o) / (o(o(oo)))")
assert list(move_local5(before2)) == [after2]
def test_move_local6():
before1 = TreePair("(o(o((oo)o))) / ((((oo)o)o)o)")
after1 = TreePair("(oo) / (oo)")
assert list(move_local6(before1)) == [after1]
before2 = TreePair("((o(o((oo)(oo))))o) / ((((oo)o)o)(o(oo)))")
after2 = TreePair("((o(oo))o) / (o(o(oo)))")
assert list(move_local6(before2)) == [after2]
def test_move_local_twist():
before1 = TreePair("(o((o(o(oo)))(oo))) / ((oo)((oo)((oo)o)))")
after1 = TreePair("(o((oo)o)) / ((oo)(oo))")
assert list(move_local_twist(before1)) == [after1]
before2 = TreePair("((o(oo))(oo)) / ((oo)((oo)o))")
after2 = TreePair("(oo) / (oo)")
assert list(move_local_twist(before2)) == [after2]
def test_move_local_shufflebights():
before1 = TreePair("(o(o((o(o((oo)o)))o))) / (((((oo)(oo))o)o)(oo))")
after1 = TreePair("(o(o((o(o(o(oo))))o))) / ((((oo)(oo))o)(o(oo)))")
assert list(move_local_shufflebights(before1)) == [after1]