bx.misc.seeklzop_tests module

T=”/Users/james/cache/hg18/align/multiz28way/chr10.maf” C=”/Users/james/cache/hg18/align/multiz28way/chr10.maf.lzo”

def test():

f = seeklzop.SeekableLzopFile( C, C + “t”, block_cache_size=20 ) for line in f:

pass

def test_random_seeking():

s = os.stat( T ).st_size raw = open( T ) f = seeklzop.SeekableLzopFile( C, C + “t”, block_cache_size=20 ) for i in range( 1000 ):

seek_to = random.randrange( s )

f.seek( seek_to ) raw.seek( seek_to )

l1 = f.readline() l2 = raw.readline()

assert l1 == l2, “%r != %r” % ( l1, l2 ) assert raw.tell() == f.tell(), “tells not equal”