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Added implementation of the cake problem, tests for cake and three towers problem #265

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Merged
merged 2 commits into from
Sep 27, 2016
Merged

Added implementation of the cake problem, tests for cake and three towers problem #265

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3f6d72d
Added implementation of the cake problem
opensourceware Sep 26, 2016
1f3b32f
Added test for three_block_tower and fixed a bug in three_block_tower…
opensourceware Sep 26, 2016
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Added test for three_block_tower and fixed a bug in three_block_tower… 
… code
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@opensourceware
opensourceware committed Sep 26, 2016
commit 1f3b32f891cab2d8f40c48aa55ba035e78df65a2
5 changes: 2 additions & 3 deletions planning.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,15 +195,14 @@ def goal_test(kb):

## Actions
# Move
precond_pos = [expr('On(b, x)'), expr('Clear(b)'), expr('Clear(y)'), expr('Block(b)'),
expr('Block(y)'), expr('b != x'), expr('b != y'), expr('x != y')]
precond_pos = [expr('On(b, x)'), expr('Clear(b)'), expr('Clear(y)'), expr('Block(b)'), expr('Block(y)')]
precond_neg = []
effect_add = [expr('On(b, y)'), expr('Clear(x)')]
effect_rem = [expr('On(b, x)'), expr('Clear(y)')]
move = Action(expr('Move(b, x, y)'), [precond_pos, precond_neg], [effect_add, effect_rem])

# MoveToTable
precond_pos = [expr('On(b, x)'), expr('Clear(b)'), expr('Block(b)'), expr('b != x')]
precond_pos = [expr('On(b, x)'), expr('Clear(b)'), expr('Block(b)')]
precond_neg = []
effect_add = [expr('On(b, Table)'), expr('Clear(x)')]
effect_rem = [expr('On(b, x)')]
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12 changes: 12 additions & 0 deletions tests/test_planning.py
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Expand Up @@ -47,6 +47,18 @@ def test_spare_tire():

assert p.goal_test()

def test_three_block_tower():
p = three_block_tower()
assert p.goal_test() is False
solution = [expr("MoveToTable(C, A)"),
expr("Move(B, Table, C)"),
expr("Move(A, Table, B)")]

for action in solution:
p.act(action)

assert p.goal_test()

def test_have_cake_and_eat_cake_too():
p = have_cake_and_eat_cake_too()
assert p.goal_test() is False
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