def testInitialization(self):
"""creating a utility encoder"""
util = UtilityEncoder(self.dataEnc,
self.scoreEnc,
feval=self.fn,
name='starter')
self.assertTrue(isinstance(util, UtilityEncoder),
"failed to initialize UtilityEncoder")
def setUp(self):
self.data = [-1, 0, 10]
# encoder for score: 0..100, fine-grained to 0.5
self.scoreEnc = ScalarEncoder(3, 0, 100, resolution=0.5, name='score')
# encoder for the input (data) part
elem = ScalarEncoder(5, -5, 50, resolution=1)
self.dataEnc = VectorEncoder(len(self.data),
elem,
typeCastFn=float,
name='data')
# utility encoder
def sumAll(list):
return sum(list)
self.fn = sumAll
self.utilityEnc = UtilityEncoder(self.dataEnc,
self.scoreEnc,
feval=self.fn,
name='sum-er')
def setUp(self):
self.data = [-1,0,10]
# encoder for score: 0..100, fine-grained to 0.5
self.scoreEnc = ScalarEncoder(21, 0, 100, resolution=0.5, name='score')
# encoder for the input (data) part
elem = ScalarEncoder(21,-5,50,resolution=1)
self.dataEnc = VectorEncoder(len(self.data), elem, typeCastFn=float, name='data')
# utility encoder
def sumAll(list):
return sum(list)
self.fn = sumAll
self.utilityEnc = UtilityEncoder(self.dataEnc, self.scoreEnc, feval=self.fn, name='sum-er')
class UtilityEncoderTest(unittest.TestCase):
"""testing Utility encoder"""
def setUp(self):
self.data = [-1,0,10]
# encoder for score: 0..100, fine-grained to 0.5
self.scoreEnc = ScalarEncoder(21, 0, 100, resolution=0.5, name='score')
# encoder for the input (data) part
elem = ScalarEncoder(21,-5,50,resolution=1)
self.dataEnc = VectorEncoder(len(self.data), elem, typeCastFn=float, name='data')
# utility encoder
def sumAll(list):
return sum(list)
self.fn = sumAll
self.utilityEnc = UtilityEncoder(self.dataEnc, self.scoreEnc, feval=self.fn, name='sum-er')
def testInitialization(self):
"""creating a utility encoder"""
util = UtilityEncoder(self.dataEnc, self.scoreEnc, feval=self.fn, name='starter')
self.assertTrue(isinstance(util, UtilityEncoder),"failed to initialize UtilityEncoder")
def testEncoding(self):
"""check encoding.."""
sc = self.fn(self.data) # expected
score = self.utilityEnc.getScoreIN(self.data)
self.assertEqual(sc,score,"encoding: score is not the same")
enc = self.utilityEnc.encode(self.data)
# print "encoded=", enc
def testDecoding(self):
"""decoding.."""
enc = self.utilityEnc.encode(self.data)
sc = self.fn(self.data) # expected
score = self.utilityEnc.getScoreOUT(enc) #real
# print "score", score
self.assertEqual(sc, score,"decoding: score not equal")
dec = self.utilityEnc.decode(enc)
# print "decoded=", dec
res = self.utilityEnc.getData(dec, int)
# print "res=", res
self.assertEqual(res, self.data, "decoded data not equal to original")
sc2 = self.utilityEnc.getScoreOUT(enc)
self.assertAlmostEqual(sc, sc2, 0.01, "decoded score is not equal to original") # almostEqual because 9 (int) != 9.0 (float)
def testDemo1(self):
"""
Alife: agent perceives its inner and outer environment and reacts;
states:
hunger(0=full, 10=starving);
hostile env (0=lovely place, 3=hell);
pos_x, pos_y coordinates in the world;
actions:
walk (random direction, for simplicity)
eat (reduce hunger)
noop (idle)
external states:
target (x,y) -- desired position
goal:
"Stay alive and explore to find the target."
We can achieve the goal by encoding "rules"/physics laws/ground truths on the
feval function's score cleverly.
"""
pass
def testSimpleUtilityEncoder(self):
"""making it simple.."""
ut = SimpleUtilityEncoder()
self.assertTrue(isinstance(ut, SimpleUtilityEncoder))
def scoring(listA):
"""average value"""
return sum(listA)/float(len(listA))
ut.setEvaluationFn(scoring)
data = [1,2,3,4,5]
score=scoring(data) # 3.0
self.assertEqual(ut.getScoreIN(data),score)
enc = ut.encode(data)
dec = ut.decode(enc)
self.assertEqual(data, ut.getData(dec))
self.assertEqual(score, ut.getScoreOUT(enc))
def testUtilityEncoderOPF(self):
"""UtilityEncoder in OPF.."""
# prepare /tmp/myfun.py as feval function to load
with open("/tmp/myfun.py", "w") as text_file:
text_file.write("def feval(self, listData):\n # compute avg\n return sum(listData)/size(listData)\n")
# test OPF
utOPF = UtilityEncoderOPF("/tmp/myfun.py", length=3)
self.assertIsInstance(utOPF, UtilityEncoderOPF, "failed to create UtilityEncoderOPF with file /tmp/myfun.py")
class UtilityEncoderTest(unittest.TestCase):
"""testing Utility encoder"""
def setUp(self):
self.data = [-1, 0, 10]
# encoder for score: 0..100, fine-grained to 0.5
self.scoreEnc = ScalarEncoder(3, 0, 100, resolution=0.5, name='score')
# encoder for the input (data) part
elem = ScalarEncoder(5, -5, 50, resolution=1)
self.dataEnc = VectorEncoder(len(self.data),
elem,
typeCastFn=float,
name='data')
# utility encoder
def sumAll(list):
return sum(list)
self.fn = sumAll
self.utilityEnc = UtilityEncoder(self.dataEnc,
self.scoreEnc,
feval=self.fn,
name='sum-er')
def testInitialization(self):
"""creating a utility encoder"""
util = UtilityEncoder(self.dataEnc,
self.scoreEnc,
feval=self.fn,
name='starter')
self.assertTrue(isinstance(util, UtilityEncoder),
"failed to initialize UtilityEncoder")
def testEncoding(self):
"""check encoding.."""
sc = self.fn(self.data) # expected
score = self.utilityEnc.getScoreIN(self.data)
self.assertEqual(sc, score, "encoding: score is not the same")
enc = self.utilityEnc.encode(self.data)
# print "encoded=", enc
def testDecoding(self):
"""decoding.."""
enc = self.utilityEnc.encode(self.data)
sc = self.fn(self.data) # expected
score = self.utilityEnc.getScoreOUT(enc) #real
# print "score", score
self.assertEqual(sc, score, "decoding: score not equal")
dec = self.utilityEnc.decode(enc)
# print "decoded=", dec
res = self.utilityEnc.getData(dec, int)
# print "res=", res
self.assertEqual(res, self.data, "decoded data not equal to original")
sc2 = self.utilityEnc.getScoreOUT(enc)
self.assertAlmostEqual(sc, sc2, 0.01,
"decoded score is not equal to original"
) # almostEqual because 9 (int) != 9.0 (float)
def testDemo1(self):
"""
Alife: agent perceives its inner and outer environment and reacts;
states:
hunger(0=full, 10=starving);
hostile env (0=lovely place, 3=hell);
pos_x, pos_y coordinates in the world;
actions:
walk (random direction, for simplicity)
eat (reduce hunger)
noop (idle)
external states:
target (x,y) -- desired position
goal:
"Stay alive and explore to find the target."
We can achieve the goal by encoding "rules"/physics laws/ground truths on the
feval function's score cleverly.
"""
pass
def testSimpleUtilityEncoder(self):
"""making it simple.."""
ut = SimpleUtilityEncoder()
self.assertTrue(isinstance(ut, SimpleUtilityEncoder))
def scoring(listA):
"""average value"""
return sum(listA) / float(len(listA))
ut.setEvaluationFn(scoring)
data = [1, 2, 3, 4, 5]
score = scoring(data) # 3.0
self.assertEqual(ut.getScoreIN(data), score)
enc = ut.encode(data)
dec = ut.decode(enc)
self.assertEqual(data, ut.getData(dec))
self.assertEqual(score, ut.getScoreOUT(enc))
def testUtilityEncoderOPF(self):
"""UtilityEncoder in OPF.."""
# prepare /tmp/myfun.py as feval function to load
with open("/tmp/myfun.py", "w") as text_file:
text_file.write(
"def feval(self, listData):\n # compute avg\n return sum(listData)/size(listData)\n"
)
# test OPF
utOPF = UtilityEncoderOPF("/tmp/myfun.py", length=3)
self.assertIsInstance(
utOPF, UtilityEncoderOPF,
"failed to create UtilityEncoderOPF with file /tmp/myfun.py")