def test_filter_channels(self):
with sllib.create_reader(self.path_sl3_v2) as reader:
reader.add_filter(channels=[9])
for frame in reader:
self.assertEqual(frame.channel, 9)
with sllib.create_reader(self.path_sl3_v2) as reader:
reader.add_filter(channels=[1, 9])
for frame in reader:
self.assertIn(frame.channel, [1, 9])
def test_enumerate_slg(self):
with sllib.create_reader(self.path_small) as reader:
count = 0
last_time = 0
first = True
for frame in reader:
if first:
print(frame)
first = False
count = count + 1
# self.assertGreaterEqual(frame.flags, 0)
self.assertIn(frame.headerlen, [48, 52])
if frame.flags & 0x0001 == 0:
# if bit is set then some kind of epoc
self.assertGreaterEqual(frame.time1, last_time)
last_time = frame.time1
# test positions
if frame.altitude < 0:
self.assertEqual(frame.altitude, -10000.0)
else:
self.assertGreaterEqual(frame.altitude, 0)
self.assertLessEqual(frame.altitude, 300)
# self.assertGreaterEqual(frame.longitude, 10)
# self.assertLessEqual(frame.longitude, 15, "bad longitude in frame %d" % (count,))
# self.assertGreaterEqual(frame.latitude, 50, "bad latitude in frame %d" % (count,))
# self.assertLessEqual(frame.latitude, 60)
self.assertEqual(count, 4789)
def test_first(self):
with sllib.create_reader(self.path_sl3, True) as reader:
header = reader.header
self.assertEqual(header.format, 3)
x = next(reader)
assert x
assert x.offset == 8
self.assertEqual(x.framesize, 2732, 'bad framesize')
# print(x.to_dict(format=3))
self.assertAlmostEqual(x.lower_limit, 98.4, 2)
self.assertEqual(x.upper_limit, 0.0)
assert x.frequency == 0
self.assertAlmostEqual(x.gps_speed, 2.25, 2)
self.assertAlmostEqual(x.temperature, 2.3, 1)
# assert x.temperature == 19.350006103515625
self.assertAlmostEqual(x.longitude, 36.486296, 4)
self.assertAlmostEqual(x.latitude, 56.5952053, 4)
assert x.water_speed == 0
# self.assertAlmostEqual(x.course, 288.83, 1)
# assert x.altitude == 118.89765930175781
# self.assertAlmostEqual(x.altitude, 118, 1)
self.assertAlmostEqual(x.heading_deg, 78.98, 1)
self.assertEqual(x.flags, 950) # TODO: Validate !!!
def test_next_v1(self):
with sllib.create_reader(fixtures.SL2_V1) as reader:
x = next(reader)
assert x
assert x.offset == 8
assert x.previous_primary_offset == 0
assert x.previous_secondary_offset == 0
assert x.previous_downscan_offset == 8
assert x.previous_left_sidescan_offset == 0
assert x.previous_right_sidescan_offset == 0
assert x.previous_composite_sidescan_offset == 0
assert x.framesize == 2064
assert x.previous_framesize == 0
assert x.channel == 2
assert x.packetsize == 1920
assert x.frame_index == 0
assert x.upper_limit == 0
assert x.lower_limit == 20.100000381469727
assert x.frequency == 0
assert x.water_depth == 7.406000137329102
assert x.keel_depth == 0
assert x.gps_speed == 0.6000000238418579
assert x.temperature == 19.943925857543945
assert x.lon_enc == 1373761
assert x.lat_enc == 8163659
assert x.water_speed == 0.6000000238418579
assert x.course == 4.817108631134033
assert x.altitude == 236.18765258789062
assert x.heading == 0
assert x.flags == 542 # TODO: Validate this!!!
assert x.time1 == 99787
def test_next(self):
with sllib.create_reader(fixtures.SL2_SMALL) as reader:
x = next(reader)
assert x
assert x.offset == 8
assert x.previous_primary_offset == 8
assert x.previous_secondary_offset == 0
assert x.previous_downscan_offset == 0
assert x.previous_left_sidescan_offset == 0
assert x.previous_right_sidescan_offset == 0
assert x.previous_composite_sidescan_offset == 0
assert x.framesize == 3216
assert x.previous_framesize == 0
assert x.channel == 0
assert x.packetsize == 3072
assert x.frame_index == 0
assert x.upper_limit == 0
assert x.lower_limit == 19.600000381469727
assert x.frequency == 8
assert x.water_depth == 6.622000217437744
assert x.keel_depth == 0
assert x.gps_speed == 2.585312843322754
assert x.temperature == 19.350006103515625
assert x.lon_enc == 1383678
assert x.lat_enc == 8147302
assert x.water_speed == 0
assert x.course == 3.7873644828796387
assert x.altitude == 118.89765930175781
assert x.heading == 0
assert x.flags == 702 # TODO: Validate this!!!
assert x.time1 == 5
def test_corrupt(self):
with create_reader(fixtures.SL2_CORRUPT_PARTLY, strict=True) as reader:
first = next(reader)
self.assertEqual(first.offset, 8)
with self.assertRaises(OffsetError):
next(reader)
def test_header_slg(self):
with sllib.create_reader(self.path_small) as reader:
assert reader
header = reader.header
assert header
assert header.format == 1
assert header.version == 0
assert header.framesize == 1200
def test_add_filter_fields(self):
with create_reader(fixtures.SL2_SMALL) as reader:
reader.add_filter(has_heading=True)
count = 0
for frame in reader:
count += 1
self.assertEqual(count, 0, 'wrong number of frames returned')
def test_filter_flags(self):
with sllib.create_reader(self.path_sl3_v2) as reader:
reader.add_filter(flags=702)
count = 0
for frame in reader:
self.assertEqual(frame.flags, 702)
count += 1
self.assertEqual(count, 28672)
def test_read_all_v1(self):
with sllib.create_reader(self.path_sl3, True) as reader:
header = reader.header
self.assertEqual(header.format, 3)
self.assertEqual(header.version, 1)
count = 0
goodCount = 0
channelcounts = [0] * 10
box = {
'lon': {
'min': 36.48355597526586,
'max': 36.48649433485548
},
'lat': {
'min': 56.59505156603242,
'max': 56.59533938054592
},
'depth': {
'min': 3.0,
'max': 13.0
}
}
for frame in reader:
count += 1
if frame.has_tbd1:
goodCount += 1
channelcounts[frame.channel] += 1
# space
self.assertGreaterEqual(frame.longitude, box['lon']['min'])
self.assertLessEqual(frame.longitude, box['lon']['max'])
self.assertGreaterEqual(frame.latitude, box['lat']['min'])
self.assertLessEqual(frame.latitude, box['lat']['max'])
self.assertGreaterEqual(frame.water_depth_m,
box['depth']['min'])
self.assertLessEqual(frame.water_depth_m, box['depth']['max'])
# channels
self.assertLessEqual(frame.channel, 9)
self.assertLessEqual(frame.frequency, 10)
self.assertEqual(count, 10124, 'wrong number of frames')
self.assertEqual(goodCount, 7626,
'wrong number of frames with flag set')
self.assertEqual(channelcounts[0], 2793, 'channel 0')
self.assertEqual(channelcounts[1], 0, 'channel 1')
self.assertEqual(channelcounts[2], 2416, 'channel 2')
self.assertEqual(channelcounts[3], 0, 'channel 3')
self.assertEqual(channelcounts[4], 0, 'channel 4')
self.assertEqual(channelcounts[5], 2417, 'channel 5')
self.assertEqual(channelcounts[6], 0, 'channel 6')
self.assertEqual(channelcounts[7], 0, 'channel 7')
self.assertEqual(channelcounts[8], 0, 'channel 8')
self.assertEqual(channelcounts[9], 2498, 'channel 9')
filesize = os.path.getsize(self.path_sl3)
self.assertEqual(reader.tell(), filesize)
def test_header_sl3(self):
with sllib.create_reader(self.path_sl3) as reader:
assert reader
header = reader.header
assert header
assert header.format == 3
assert header.version == 1
assert header.framesize == 3200
fields = reader.fields
self.assertIn('channel', fields)
def test_read_all_v2(self):
filename = self.path_sl3_v2
with sllib.create_reader(filename, strict=True) as reader:
header = reader.header
self.assertEqual(header.format, 3)
self.assertEqual(header.version, 2)
count = 0
goodCount = 0
channelcounts = [0] * 10
box = {
'lon': {
'min': -91.2444,
'max': -91.24243771237497
},
'lat': {
'min': 29.654006,
'max': 29.657156827530574
},
'depth': {
'min': 3.0,
'max': 13.0
}
}
for frame in reader:
count += 1
if frame.channel <= 5:
goodCount += 1
channelcounts[frame.channel] += 1
# space
self.assertGreaterEqual(frame.longitude, box['lon']['min'])
self.assertLessEqual(frame.longitude, box['lon']['max'])
self.assertGreaterEqual(frame.latitude, box['lat']['min'])
self.assertLessEqual(frame.latitude, box['lat']['max'])
# self.assertGreaterEqual(frame.water_depth_m, box['depth']['min'])
# self.assertLessEqual(frame.water_depth_m, box['depth']['max'])
# channels
self.assertLessEqual(frame.channel, 9)
self.assertLessEqual(frame.frequency, 10)
self.assertEqual(count, 32768)
self.assertEqual(goodCount, 16384)
self.assertEqual(channelcounts[0], 4096, 'channel 0')
self.assertEqual(channelcounts[1], 4096, 'channel 1')
self.assertEqual(channelcounts[2], 4096, 'channel 2')
self.assertEqual(channelcounts[3], 0, 'channel 3')
self.assertEqual(channelcounts[4], 0, 'channel 4')
self.assertEqual(channelcounts[5], 4096, 'channel 5')
self.assertEqual(channelcounts[6], 0, 'channel 6')
self.assertEqual(channelcounts[7], 8192, 'channel 7')
self.assertEqual(channelcounts[8], 8192, 'channel 8')
self.assertEqual(channelcounts[9], 0, 'channel 9')
filesize = os.path.getsize(filename)
self.assertEqual(reader.tell(), filesize)
def test_enumerate_v1(self):
with sllib.create_reader(fixtures.SL2_V1) as reader:
assert reader
count = 0
prev = None
for frame in reader:
count = count + 1
assert frame
doframe(self, frame, prev)
prev = frame
self.assertEqual(count, 27458)
def test_enumerate(self):
with sllib.create_reader(fixtures.SL2_SMALL) as reader:
assert reader
self.assertEqual(reader.header.version, 0)
count = 0
prev = None
for frame in reader:
count = count + 1
assert frame
doframe(self, frame, prev)
prev = frame
assert count == 4017
def test_header_sl2(self):
with open(fixtures.SL2_SMALL, 'rb') as f:
reader = sllib.Reader(f)
assert reader
header = reader.header
assert header
assert header.format == 2
assert header.version == 0
assert header.framesize == 3200
with sllib.create_reader(fixtures.SL2_V1) as reader:
assert reader
assert reader.header.format == 2
assert reader.header.version == 1
def test_southern_hemisphere(self):
with sllib.create_reader(fixtures.SL2_SOUTHERN1) as reader:
header = reader.header
self.assertEqual(header.format, 2)
self.assertEqual(header.version, 0)
self.assertEqual(header.framesize, 3200)
x = next(reader)
assert x
assert x.offset == 8
self.assertEqual(x.previous_primary_offset, 8)
self.assertEqual(x.previous_secondary_offset, 0)
self.assertEqual(x.previous_downscan_offset, 0)
self.assertEqual(x.previous_left_sidescan_offset, 0)
self.assertEqual(x.previous_right_sidescan_offset, 0)
self.assertEqual(x.previous_composite_sidescan_offset, 0)
self.assertEqual(x.framesize, 3216)
self.assertEqual(x.lon_enc, 12846380)
self.assertEqual(x.lat_enc, -3719601)
self.assertAlmostEqual(x.longitude, 115.78921, 5)
self.assertAlmostEqual(x.latitude, -31.76203, 5)
def test_add_filter_bad_field(self):
with create_reader(fixtures.SL2_SMALL) as reader:
with self.assertRaises(FieldNotFoundError):
reader.add_filter(spam=True)
