def test_padbytes_as_large_as_segment():
# 180-byte long explicit record with padding, and padbytes are set to 176
# record is expected to not be present
f = dlisio.open('data/chap2/padbytes-large-as-segment-body.dlis')
try:
rec = core.extract(f, [0])[0]
assert len(memoryview(rec)) == 0
finally:
f.close()
def test_padbytes_as_large_as_record():
# 180-byte long explicit record with padding, and padbytes are set to 180
# (leaving the resulting len(data) == 0)
f = dlisio.open('data/padbytes-large-as-record.dlis')
f.reindex([0], [180])
rec = f.extract([0])[0]
assert rec.explicit
assert len(memoryview(rec)) == 0
def test_padbytes_as_large_as_record():
# 180-byte long explicit record with padding, and padbytes are set to 180
# (leaving the resulting len(data) == 0)
f = dlisio.open('data/chap2/padbytes-large-as-record.dlis')
try:
rec = core.extract(f, [0])[0]
assert rec.explicit
assert len(memoryview(rec)) == 0
finally:
f.close()
def g():
s = dlisio.open("tests/test_dlis.py") #any existing file is required
g = dlisio.dlis(s, [], None, [])
ch = Channel()
ch.name = 'CHANNEL1'
ch.origin = 0
ch.copynumber = 0
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
ch = Channel()
ch.name = 'CHANNEL1.V2'
ch.origin = 0
ch.copynumber = 0
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
ch = Channel()
ch.name = 'CHANNEL1'
ch.origin = 0
ch.copynumber = 1
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
un = Unknown()
un.name = 'UNEFRAME'
un.origin = 0
un.copynumber = 0
un.type = "NONCHANNEL"
g.indexedobjects["NONCHANNEL"][un.fingerprint] = un
fr = Frame()
fr.name = 'UNEFRAME'
fr.origin = 0
fr.copynumber = 0
g.indexedobjects["FRAME"][fr.fingerprint] = fr
un = Unknown()
un.name = '440-CHANNEL'
un.origin = 0
un.copynumber = 0
un.type = "440.TYPE"
g.indexedobjects["440.TYPE"][un.fingerprint] = un
ch = Channel()
ch.name = '440.CHANNEL'
ch.origin = 0
ch.copynumber = 0
ch.type = "440-TYPE"
g.indexedobjects["440-TYPE"][ch.fingerprint] = ch
return g
def test_record_attributes():
stream = dlisio.open('data/3-syntactic-logical-records.dlis')
tells = [80, 116, 148]
residuals = [0, 64, 32]
# for the test pretend all 3 records are explicit
explicits = [0, 1, 2]
stream.reindex(tells, residuals)
recs = stream.extract(explicits)
buffer = bytearray(1)
# last record ignored as encrypted
assert len(recs) == 2
assert recs[0].type == 1
assert not recs[0].explicit
assert not recs[0].encrypted
# due to error in VE version
assert not recs[0].consistent
checked_byte = np.array(recs[0])[1]
assert checked_byte == 4
stream.get(buffer, tells[0] + 9, 1)
assert checked_byte == buffer[0]
assert recs[1].type == 2
assert recs[1].explicit
assert not recs[1].encrypted
assert recs[1].consistent
stream.get(buffer, tells[1] + 5, 1)
assert np.array(recs[1])[1] == buffer[0]
rec3 = stream[2]
assert rec3.type == 3
assert not rec3.explicit
assert rec3.encrypted
assert rec3.consistent
assert np.array(rec3)[1] == 8
stream.close()
def g():
s = dlisio.open(
"tests/test_logical_file.py") #any existing file is required
g = dlisio.dlis(s, [], [], [])
ch = Channel()
ch.name = 'CHANNEL1'
ch.origin = 0
ch.copynumber = 0
ch.logicalfile = g
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
ch = Channel()
ch.name = 'CHANNEL1.V2'
ch.origin = 0
ch.copynumber = 0
ch.logicalfile = g
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
ch = Channel()
ch.name = 'CHANNEL1'
ch.origin = 0
ch.copynumber = 1
ch.logicalfile = g
g.indexedobjects["CHANNEL"][ch.fingerprint] = ch
un = Unknown()
un.name = 'UNEFRAME'
un.origin = 0
un.copynumber = 0
un.type = "NONCHANNEL"
un.logicalfile = g
g.indexedobjects["NONCHANNEL"][un.fingerprint] = un
fr = Frame()
fr.name = 'UNEFRAME'
fr.origin = 0
fr.copynumber = 0
fr.logicalfile = g
g.indexedobjects["FRAME"][fr.fingerprint] = fr
un = Unknown()
un.name = '440-CHANNEL'
un.origin = 0
un.copynumber = 0
un.type = "440.TYPE"
un.logicalfile = g
g.indexedobjects["440.TYPE"][un.fingerprint] = un
ch = Channel()
ch.name = '440.CHANNEL'
ch.origin = 0
ch.copynumber = 0
ch.type = "440-TYPE"
ch.logicalfile = g
g.indexedobjects["440-TYPE"][ch.fingerprint] = ch
g.record_types = list(g.indexedobjects.keys())
# Simulate the occurance of multiple Channel sets
g.record_types.append('CHANNEL')
return g