Example #1
0
class DateEncoderTest(unittest.TestCase):
    """Unit tests for DateEncoder class"""
    def setUp(self):
        # 3 bits for season, 1 bit for day of week, 1 for weekend, 5 for time of
        # day
        # use of forced is not recommended, used here for readability, see scalar.py
        self._e = DateEncoder(season=3, dayOfWeek=1, weekend=1, timeOfDay=5)
        # in the middle of fall, Thursday, not a weekend, afternoon - 4th Nov,
        # 2010, 14:55
        self._d = datetime.datetime(2010, 11, 4, 14, 55)
        self._bits = self._e.encode(self._d)
        # season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
        # should be 000000000111 (centered on month 11 - Nov)
        seasonExpected = [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1]

        # week is MTWTFSS
        # contrary to localtime documentation, Monday = 0 (for python
        #  datetime.datetime.timetuple()
        dayOfWeekExpected = [0, 0, 0, 1, 0, 0, 0]

        # not a weekend, so it should be "False"
        weekendExpected = [1, 0]

        # time of day has radius of 4 hours and w of 5 so each bit = 240/5
        # min = 48min 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
        # should be 30 bits total (30 * 48 minutes = 24 hours)
        timeOfDayExpected = ([
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0,
            0, 0, 0, 0, 0, 0, 0, 0
        ])
        self._expected = numpy.array(seasonExpected + dayOfWeekExpected +
                                     weekendExpected + timeOfDayExpected,
                                     dtype=defaultDtype)

    def testDateEncoder(self):
        """creating date encoder instance"""
        self.assertSequenceEqual(self._e.getDescription(),
                                 [("season", 0), ("day of week", 12),
                                  ("weekend", 19), ("time of day", 21)])
        self.assertTrue(numpy.array_equal(self._expected, self._bits))

    def testMissingValues(self):
        """missing values"""
        mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
        self.assertEqual(sum(mvOutput), 0)

    def testDecoding(self):
        """decoding date"""
        decoded = self._e.decode(self._bits)

        (fieldsDict, _) = decoded
        self.assertEqual(len(fieldsDict), 4)

        (ranges, _) = fieldsDict['season']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [305, 305])

        (ranges, _) = fieldsDict['time of day']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [14.4, 14.4])

        (ranges, _) = fieldsDict['day of week']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [3, 3])

        (ranges, _) = fieldsDict['weekend']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [0, 0])

    def testTopDownCompute(self):
        """Check topDownCompute"""
        topDown = self._e.topDownCompute(self._bits)
        topDownValues = numpy.array([elem.value for elem in topDown])
        errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
        self.assertAlmostEqual(errs.max(), 0, 4)

    def testBucketIndexSupport(self):
        """Check bucket index support"""
        bucketIndices = self._e.getBucketIndices(self._d)
        topDown = self._e.getBucketInfo(bucketIndices)
        topDownValues = numpy.array([elem.value for elem in topDown])
        errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
        self.assertAlmostEqual(errs.max(), 0, 4)

        encodings = []
        for x in topDown:
            encodings.extend(x.encoding)
        self.assertTrue(numpy.array_equal(encodings, self._expected))

    def testHoliday(self):
        """look at holiday more carefully because of the smooth transition"""
        # use of forced is not recommended, used here for readability, see
        # scalar.py
        e = DateEncoder(holiday=5, forced=True)
        holiday = numpy.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1], dtype="uint8")
        notholiday = numpy.array([1, 1, 1, 1, 1, 0, 0, 0, 0, 0], dtype="uint8")
        holiday2 = numpy.array([0, 0, 0, 1, 1, 1, 1, 1, 0, 0], dtype="uint8")

        d = datetime.datetime(2010, 12, 25, 4, 55)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday))

        d = datetime.datetime(2008, 12, 27, 4, 55)
        self.assertTrue(numpy.array_equal(e.encode(d), notholiday))

        d = datetime.datetime(1999, 12, 26, 8, 00)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday2))

        d = datetime.datetime(2011, 12, 24, 16, 00)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday2))

    def testHolidayMultiple(self):
        """look at holiday more carefully because of the smooth transition"""
        # use of forced is not recommended, used here for readability, see
        # scalar.py
        e = DateEncoder(holiday=5,
                        forced=True,
                        holidays=[(12, 25), (2018, 4, 1), (2017, 4, 16)])
        holiday = numpy.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1], dtype="uint8")
        notholiday = numpy.array([1, 1, 1, 1, 1, 0, 0, 0, 0, 0], dtype="uint8")

        d = datetime.datetime(2011, 12, 25, 4, 55)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday))

        d = datetime.datetime(2007, 12, 2, 4, 55)
        self.assertTrue(numpy.array_equal(e.encode(d), notholiday))

        d = datetime.datetime(2018, 4, 1, 16, 10)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday))

        d = datetime.datetime(2017, 4, 16, 16, 10)
        self.assertTrue(numpy.array_equal(e.encode(d), holiday))

    def testWeekend(self):
        """Test weekend encoder"""
        # use of forced is not recommended, used here for readability, see scalar.py
        e = DateEncoder(customDays=(21, ["sat", "sun", "fri"]), forced=True)
        mon = DateEncoder(customDays=(21, "Monday"), forced=True)

        e2 = DateEncoder(weekend=(21, 1), forced=True)
        d = datetime.datetime(1988, 5, 29, 20, 00)
        self.assertTrue(numpy.array_equal(e.encode(d), e2.encode(d)))
        for _ in range(300):
            d = d + datetime.timedelta(days=1)
            self.assertTrue(numpy.array_equal(e.encode(d), e2.encode(d)))

            #Make sure
            if mon.decode(mon.encode(d))[0]["Monday"][0][0][0] == 1.0:
                self.assertEqual(d.weekday(), 0)
            else:
                self.assertNotEqual(d.weekday(), 0)

    @unittest.skipUnless(
        capnp, "pycapnp is not installed, skipping serialization test.")
    def testReadWrite(self):
        originalTS = datetime.datetime(1997, 8, 29, 2, 14)
        originalValue = self._e.encode(originalTS)

        proto1 = DateEncoderProto.new_message()
        self._e.write(proto1)

        # Write the proto to a temp file and read it back into a new proto
        with tempfile.TemporaryFile() as f:
            proto1.write(f)
            f.seek(0)
            proto2 = DateEncoderProto.read(f)

        encoder = DateEncoder.read(proto2)

        self.assertIsInstance(encoder, DateEncoder)
        self.assertEqual(encoder.width, self._e.width)
        self.assertEqual(encoder.weekendOffset, self._e.weekendOffset)
        self.assertEqual(encoder.timeOfDayOffset, self._e.timeOfDayOffset)
        self.assertEqual(encoder.seasonOffset, self._e.seasonOffset)
        self.assertEqual(encoder.dayOfWeekOffset, self._e.dayOfWeekOffset)
        self.assertIsInstance(encoder.customDaysEncoder,
                              self._e.customDaysEncoder.__class__)
        self.assertIsInstance(encoder.dayOfWeekEncoder,
                              self._e.dayOfWeekEncoder.__class__)
        self.assertIsInstance(encoder.seasonEncoder,
                              self._e.seasonEncoder.__class__)
        self.assertIsInstance(encoder.timeOfDayEncoder,
                              self._e.timeOfDayEncoder.__class__)
        self.assertIsInstance(encoder.weekendEncoder,
                              self._e.weekendEncoder.__class__)
        self.assertTrue(numpy.array_equal(self._bits, encoder.encode(self._d)))
        self.assertTrue(
            numpy.array_equal(encoder.encode(originalTS), originalValue))
        self.assertEqual(self._e.decode(encoder.encode(self._d)),
                         encoder.decode(self._e.encode(self._d)))
Example #2
0
class DateEncoderTest(unittest.TestCase):
    '''Unit tests for DateEncoder class'''
    def setUp(self):
        ##TODO: comment and code dont match - weekend?!!
        # 3 bits for season, 1 bit for day of week, 2 for weekend, 5 for time of day
        self._e = DateEncoder(season=3, dayOfWeek=1, weekend=3, timeOfDay=5)
        # in the middle of fall, thursday, not a weekend, afternoon - 4th Nov, 2010, 14:55
        self._d = datetime.datetime(2010, 11, 4, 14, 55)
        self._bits = self._e.encode(self._d)
        # season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
        # should be 000000000111 (centered on month 11 - Nov)
        seasonExpected = [0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1]

        # week is MTWTFSS
        # contrary to localtime documentation, Monaday = 0 (for python
        #  datetime.datetime.timetuple()
        dayOfWeekExpected = [0, 0, 0, 1, 0, 0, 0]

        # not a weekend, so it should be "False"
        weekendExpected = [1, 1, 1, 0, 0, 0]

        # time of day has radius of 4 hours and w of 5 so each bit = 240/5 min = 48min
        # 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
        # should be 30 bits total (30 * 48 minutes = 24 hours)
        timeOfDayExpected = [
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0,
            0, 0, 0, 0, 0, 0, 0, 0
        ]
        self._expected = numpy.array(seasonExpected + dayOfWeekExpected + weekendExpected \
                              + timeOfDayExpected, dtype=defaultDtype)

    def testDateEncoder(self):
        '''creating date encoder instance'''
        self.assertEqual(self._e.getDescription(), [("season", 0),
                                                    ("day of week", 12),
                                                    ("weekend", 19),
                                                    ("time of day", 25)])

        self.assertTrue((self._expected == self._bits).all())

        print
        self._e.pprintHeader()
        self._e.pprint(self._bits)
        print

    def testMissingValues(self):
        '''missing values'''
        mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
        self.assertEqual(sum(mvOutput), 0)

    def testDecoding(self):
        '''decoding date'''
        decoded = self._e.decode(self._bits)

        (fieldsDict, fieldNames) = decoded
        self.assertEqual(len(fieldsDict), 4)

        (ranges, desc) = fieldsDict['season']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [305, 305])

        (ranges, desc) = fieldsDict['time of day']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [14.4, 14.4])

        (ranges, desc) = fieldsDict['day of week']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [3, 3])

        (ranges, desc) = fieldsDict['weekend']
        self.assertEqual(len(ranges), 1)
        self.assertSequenceEqual(ranges[0], [0, 0])

        print decoded
        print "decodedToStr=>", self._e.decodedToStr(decoded)

    def testTopDownCompute(self):
        '''Check topDownCompute'''
        topDown = self._e.topDownCompute(self._bits)
        topDownValues = numpy.array([elem.value for elem in topDown])
        errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
        self.assertAlmostEqual(errs.max(), 0, 4)

    def testBucketIndexSupport(self):
        '''Check bucket index support'''
        bucketIndices = self._e.getBucketIndices(self._d)
        print "bucket indices:", bucketIndices
        topDown = self._e.getBucketInfo(bucketIndices)
        topDownValues = numpy.array([elem.value for elem in topDown])
        errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
        self.assertAlmostEqual(errs.max(), 0, 4)

        encodings = []
        for x in topDown:
            encodings.extend(x.encoding)
        self.assertTrue((encodings == self._expected).all())

    def testHoliday(self):
        '''look at holiday more carefully because of the smooth transition'''
        e = DateEncoder(holiday=5)
        holiday = numpy.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1], dtype='uint8')
        notholiday = numpy.array([1, 1, 1, 1, 1, 0, 0, 0, 0, 0], dtype='uint8')
        holiday2 = numpy.array([0, 0, 0, 1, 1, 1, 1, 1, 0, 0], dtype='uint8')

        d = datetime.datetime(2010, 12, 25, 4, 55)
        self.assertTrue((e.encode(d) == holiday).all())

        d = datetime.datetime(2008, 12, 27, 4, 55)
        self.assertTrue((e.encode(d) == notholiday).all())

        d = datetime.datetime(1999, 12, 26, 8, 00)
        self.assertTrue((e.encode(d) == holiday2).all())

        d = datetime.datetime(2011, 12, 24, 16, 00)
        self.assertTrue((e.encode(d) == holiday2).all())

    def testWeekend(self):
        '''Test weekend encoder'''
        e = DateEncoder(customDays=(21, ["sat", "sun", "fri"]))
        mon = DateEncoder(customDays=(21, "Monday"))

        e2 = DateEncoder(weekend=(21, 1))
        d = datetime.datetime(1988, 5, 29, 20, 00)
        self.assertTrue((e.encode(d) == e2.encode(d)).all())
        for _ in range(300):
            d = d + datetime.timedelta(days=1)
            self.assertTrue((e.encode(d) == e2.encode(d)).all())
            print mon.decode(mon.encode(d))
            #Make sure
            if mon.decode(mon.encode(d))[0]["Monday"][0][0][0] == 1.0:
                self.assertEqual(d.weekday(), 0)
            else:
                self.assertFalse(d.weekday() == 0)
Example #3
0
class DateEncoderTest(unittest.TestCase):
  """Unit tests for DateEncoder class"""


  def setUp(self):
    # 3 bits for season, 1 bit for day of week, 1 for weekend, 5 for time of
    # day
    # use of forced is not recommended, used here for readability, see scalar.py
    self._e = DateEncoder(season=3, dayOfWeek=1, weekend=1, timeOfDay=5)
    # in the middle of fall, Thursday, not a weekend, afternoon - 4th Nov,
    # 2010, 14:55
    self._d = datetime.datetime(2010, 11, 4, 14, 55)
    self._bits = self._e.encode(self._d)
    # season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
    # should be 000000000111 (centered on month 11 - Nov)
    seasonExpected = [0,0,0,0,0,0,0,0,0,1,1,1]

    # week is MTWTFSS
    # contrary to localtime documentation, Monday = 0 (for python
    #  datetime.datetime.timetuple()
    dayOfWeekExpected = [0,0,0,1,0,0,0]

    # not a weekend, so it should be "False"
    weekendExpected = [1, 0]

    # time of day has radius of 4 hours and w of 5 so each bit = 240/5
    # min = 48min 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
    # should be 30 bits total (30 * 48 minutes = 24 hours)
    timeOfDayExpected = (
      [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0])
    self._expected = numpy.array(seasonExpected +
                                 dayOfWeekExpected +
                                 weekendExpected +
                                 timeOfDayExpected, dtype=defaultDtype)

  def testDateEncoder(self):
    """creating date encoder instance"""
    self.assertSequenceEqual(
      self._e.getDescription(),
      [("season", 0),
       ("day of week", 12),
       ("weekend", 19), ("time of day", 21)])
    self.assertTrue(numpy.array_equal(self._expected, self._bits))


  def testMissingValues(self):
    """missing values"""
    mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
    self.assertEqual(sum(mvOutput), 0)


  def testDecoding(self):
    """decoding date"""
    decoded = self._e.decode(self._bits)

    (fieldsDict, _) = decoded
    self.assertEqual(len(fieldsDict), 4)

    (ranges, _) = fieldsDict['season']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [305, 305])

    (ranges, _) = fieldsDict['time of day']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [14.4, 14.4])

    (ranges, _) = fieldsDict['day of week']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [3, 3])

    (ranges, _) = fieldsDict['weekend']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [0, 0])


  def testTopDownCompute(self):
    """Check topDownCompute"""
    topDown = self._e.topDownCompute(self._bits)
    topDownValues = numpy.array([elem.value for elem in topDown])
    errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
    self.assertAlmostEqual(errs.max(), 0, 4)


  def testBucketIndexSupport(self):
    """Check bucket index support"""
    bucketIndices = self._e.getBucketIndices(self._d)
    topDown = self._e.getBucketInfo(bucketIndices)
    topDownValues = numpy.array([elem.value for elem in topDown])
    errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
    self.assertAlmostEqual(errs.max(), 0, 4)

    encodings = []
    for x in topDown:
      encodings.extend(x.encoding)
    self.assertTrue(numpy.array_equal(encodings, self._expected))


  def testHoliday(self):
    """look at holiday more carefully because of the smooth transition"""
    # use of forced is not recommended, used here for readability, see
    # scalar.py
    e = DateEncoder(holiday=5, forced=True)
    holiday = numpy.array([0,0,0,0,0,1,1,1,1,1], dtype="uint8")
    notholiday = numpy.array([1,1,1,1,1,0,0,0,0,0], dtype="uint8")
    holiday2 = numpy.array([0,0,0,1,1,1,1,1,0,0], dtype="uint8")

    d = datetime.datetime(2010, 12, 25, 4, 55)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday))

    d = datetime.datetime(2008, 12, 27, 4, 55)
    self.assertTrue(numpy.array_equal(e.encode(d), notholiday))

    d = datetime.datetime(1999, 12, 26, 8, 00)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday2))

    d = datetime.datetime(2011, 12, 24, 16, 00)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday2))

  def testHolidayMultiple(self):
    """look at holiday more carefully because of the smooth transition"""
    # use of forced is not recommended, used here for readability, see
    # scalar.py
    e = DateEncoder(holiday=5, forced=True, holidays=[(12, 25), (2018, 4, 1), (2017, 4, 16)])
    holiday = numpy.array([0, 0, 0, 0, 0, 1, 1, 1, 1, 1], dtype="uint8")
    notholiday = numpy.array([1, 1, 1, 1, 1, 0, 0, 0, 0, 0], dtype="uint8")

    d = datetime.datetime(2011, 12, 25, 4, 55)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday))

    d = datetime.datetime(2007, 12, 2, 4, 55)
    self.assertTrue(numpy.array_equal(e.encode(d), notholiday))

    d = datetime.datetime(2018, 4, 1, 16, 10)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday))

    d = datetime.datetime(2017, 4, 16, 16, 10)
    self.assertTrue(numpy.array_equal(e.encode(d), holiday))

  def testWeekend(self):
    """Test weekend encoder"""
    # use of forced is not recommended, used here for readability, see scalar.py
    e = DateEncoder(customDays=(21, ["sat", "sun", "fri"]), forced=True)
    mon = DateEncoder(customDays=(21, "Monday"), forced=True)

    e2 = DateEncoder(weekend=(21, 1), forced=True)
    d = datetime.datetime(1988, 5, 29, 20, 00)
    self.assertTrue(numpy.array_equal(e.encode(d), e2.encode(d)))
    for _ in range(300):
      d = d+datetime.timedelta(days=1)
      self.assertTrue(numpy.array_equal(e.encode(d), e2.encode(d)))

      #Make sure
      if mon.decode(mon.encode(d))[0]["Monday"][0][0][0] == 1.0:
        self.assertEqual(d.weekday(), 0)
      else:
        self.assertNotEqual(d.weekday(), 0)


  @unittest.skipUnless(
      capnp, "pycapnp is not installed, skipping serialization test.")
  def testReadWrite(self):
    originalTS = datetime.datetime(1997, 8, 29, 2, 14)
    originalValue = self._e.encode(originalTS)

    proto1 = DateEncoderProto.new_message()
    self._e.write(proto1)

    # Write the proto to a temp file and read it back into a new proto
    with tempfile.TemporaryFile() as f:
      proto1.write(f)
      f.seek(0)
      proto2 = DateEncoderProto.read(f)

    encoder = DateEncoder.read(proto2)

    self.assertIsInstance(encoder, DateEncoder)
    self.assertEqual(encoder.width, self._e.width)
    self.assertEqual(encoder.weekendOffset, self._e.weekendOffset)
    self.assertEqual(encoder.timeOfDayOffset, self._e.timeOfDayOffset)
    self.assertEqual(encoder.seasonOffset, self._e.seasonOffset)
    self.assertEqual(encoder.dayOfWeekOffset, self._e.dayOfWeekOffset)
    self.assertIsInstance(encoder.customDaysEncoder,
                          self._e.customDaysEncoder.__class__)
    self.assertIsInstance(encoder.dayOfWeekEncoder,
                          self._e.dayOfWeekEncoder.__class__)
    self.assertIsInstance(encoder.seasonEncoder,
                          self._e.seasonEncoder.__class__)
    self.assertIsInstance(encoder.timeOfDayEncoder,
                          self._e.timeOfDayEncoder.__class__)
    self.assertIsInstance(encoder.weekendEncoder,
                          self._e.weekendEncoder.__class__)
    self.assertTrue(numpy.array_equal(self._bits, encoder.encode(self._d)))
    self.assertTrue(numpy.array_equal(encoder.encode(originalTS),
                                      originalValue))
    self.assertEqual(self._e.decode(encoder.encode(self._d)),
                     encoder.decode(self._e.encode(self._d)))
Example #4
0
class DateEncoderTest(unittest.TestCase):
  '''Unit tests for DateEncoder class'''

  
  def setUp(self):
    ##TODO: comment and code don't match - weekend?!!
    # 3 bits for season, 1 bit for day of week, 2 for weekend, 5 for time of day
    self._e = DateEncoder(season=3, dayOfWeek=1, weekend=3, timeOfDay=5)
    # in the middle of fall, Thursday, not a weekend, afternoon - 4th Nov, 2010, 14:55
    self._d = datetime.datetime(2010, 11, 4, 14, 55)
    self._bits = self._e.encode(self._d)
    # season is aaabbbcccddd (1 bit/month) # TODO should be <<3?
    # should be 000000000111 (centered on month 11 - Nov)
    seasonExpected = [0,0,0,0,0,0,0,0,0,1,1,1]

    # week is MTWTFSS
    # contrary to localtime documentation, Monday = 0 (for python
    #  datetime.datetime.timetuple()
    dayOfWeekExpected = [0,0,0,1,0,0,0]

    # not a weekend, so it should be "False"
    weekendExpected = [1,1,1,0,0,0]

    # time of day has radius of 4 hours and w of 5 so each bit = 240/5 min = 48min
    # 14:55 is minute 14*60 + 55 = 895; 895/48 = bit 18.6
    # should be 30 bits total (30 * 48 minutes = 24 hours)
    timeOfDayExpected = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0]
    self._expected = numpy.array(seasonExpected + dayOfWeekExpected + weekendExpected \
                          + timeOfDayExpected, dtype=defaultDtype)
   
  def testDateEncoder(self):
    '''creating date encoder instance'''
    self.assertEqual(self._e.getDescription(), [("season", 0), ("day of week", 12),
                                ("weekend", 19), ("time of day", 25)])

    self.assertTrue((self._expected == self._bits).all())

    print
    self._e.pprintHeader()
    self._e.pprint(self._bits)
    print

  def testMissingValues(self):
    '''missing values'''
    mvOutput = self._e.encode(SENTINEL_VALUE_FOR_MISSING_DATA)
    self.assertEqual(sum(mvOutput), 0)

  def testDecoding(self):
    '''decoding date'''
    decoded = self._e.decode(self._bits)

    (fieldsDict, fieldNames) = decoded
    self.assertEqual(len(fieldsDict), 4)

    (ranges, desc) = fieldsDict['season']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [305, 305])
    
    (ranges, desc) = fieldsDict['time of day']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [14.4, 14.4])
    
    (ranges, desc) = fieldsDict['day of week']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [3, 3])
    
    (ranges, desc) = fieldsDict['weekend']
    self.assertEqual(len(ranges), 1)
    self.assertSequenceEqual(ranges[0], [0, 0])
    
    print decoded
    print "decodedToStr=>", self._e.decodedToStr(decoded)

  def testTopDownCompute(self):
    '''Check topDownCompute'''
    topDown = self._e.topDownCompute(self._bits)
    topDownValues = numpy.array([elem.value for elem in topDown])
    errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
    self.assertAlmostEqual(errs.max(), 0, 4)

  def testBucketIndexSupport(self):
    '''Check bucket index support'''
    bucketIndices = self._e.getBucketIndices(self._d)
    print "bucket indices:", bucketIndices
    topDown = self._e.getBucketInfo(bucketIndices)
    topDownValues = numpy.array([elem.value for elem in topDown])
    errs = topDownValues - numpy.array([320.25, 3.5, .167, 14.8])
    self.assertAlmostEqual(errs.max(), 0, 4)

    encodings = []
    for x in topDown:
      encodings.extend(x.encoding)
    self.assertTrue((encodings == self._expected).all())

  def testHoliday(self):
    '''look at holiday more carefully because of the smooth transition'''
    e = DateEncoder(holiday=5)
    holiday = numpy.array([0,0,0,0,0,1,1,1,1,1], dtype='uint8')
    notholiday = numpy.array([1,1,1,1,1,0,0,0,0,0], dtype='uint8')
    holiday2 = numpy.array([0,0,0,1,1,1,1,1,0,0], dtype='uint8')

    d = datetime.datetime(2010, 12, 25, 4, 55)
    self.assertTrue((e.encode(d) == holiday).all())

    d = datetime.datetime(2008, 12, 27, 4, 55)
    self.assertTrue((e.encode(d) == notholiday).all())

    d = datetime.datetime(1999, 12, 26, 8, 00)
    self.assertTrue((e.encode(d) == holiday2).all())

    d = datetime.datetime(2011, 12, 24, 16, 00)
    self.assertTrue((e.encode(d) == holiday2).all())

  def testWeekend(self):
    '''Test weekend encoder'''
    e = DateEncoder(customDays = (21,["sat","sun","fri"]))
    mon = DateEncoder(customDays = (21,"Monday"))

    e2 = DateEncoder(weekend=(21,1))
    d = datetime.datetime(1988,5,29,20,00)
    self.assertTrue((e.encode(d) == e2.encode(d)).all())
    for _ in range(300):
      d = d+datetime.timedelta(days=1)
      self.assertTrue((e.encode(d) == e2.encode(d)).all())
      print mon.decode(mon.encode(d))
      #Make sure
      if mon.decode(mon.encode(d))[0]["Monday"][0][0][0]==1.0:
        self.assertEqual(d.weekday(), 0)
      else:
        self.assertFalse(d.weekday()==0)