347
347
self.assertEqual(z_content, block._z_content)
348
348
self.assertEqual(content, block._content)
350
def test_to_chunks(self):
351
content_chunks = ['this is some content\n',
352
'this content will be compressed\n']
353
content_len = sum(map(len, content_chunks))
354
content = ''.join(content_chunks)
355
gcb = groupcompress.GroupCompressBlock()
356
gcb.set_chunked_content(content_chunks, content_len)
357
total_len, block_chunks = gcb.to_chunks()
358
block_bytes = ''.join(block_chunks)
359
self.assertEqual(gcb._z_content_length, len(gcb._z_content))
360
self.assertEqual(total_len, len(block_bytes))
361
self.assertEqual(gcb._content_length, content_len)
362
expected_header =('gcb1z\n' # group compress block v1 zlib
363
'%d\n' # Length of compressed content
364
'%d\n' # Length of uncompressed content
365
) % (gcb._z_content_length, gcb._content_length)
366
# The first chunk should be the header chunk. It is small, fixed size,
367
# and there is no compelling reason to split it up
368
self.assertEqual(expected_header, block_chunks[0])
369
self.assertStartsWith(block_bytes, expected_header)
370
remaining_bytes = block_bytes[len(expected_header):]
371
raw_bytes = zlib.decompress(remaining_bytes)
372
self.assertEqual(content, raw_bytes)
350
374
def test_to_bytes(self):
351
375
content = ('this is some content\n'
352
376
'this content will be compressed\n')
389
413
z_content = zlib.compress(content)
390
414
self.assertEqual(57182, len(z_content))
391
415
block = groupcompress.GroupCompressBlock()
392
block._z_content = z_content
416
block._z_content_chunks = (z_content,)
393
417
block._z_content_length = len(z_content)
394
418
block._compressor_name = 'zlib'
395
419
block._content_length = 158634
434
458
z_content = zlib.compress(content)
435
459
self.assertEqual(57182, len(z_content))
436
460
block = groupcompress.GroupCompressBlock()
437
block._z_content = z_content
461
block._z_content_chunks = (z_content,)
438
462
block._z_content_length = len(z_content)
439
463
block._compressor_name = 'zlib'
440
464
block._content_length = 158634