nim-codex/tests/codex/testchunking.nim
Jaremy Creechley 7efa9177df
Bump deps take2 (#492)
* extra utilities and tweaks
* add atlas lock
* update ignores
* break build into it's own script
* update url rules
* base off codexdht's
* compile fixes for Nim 1.6.14
* update submodules
* convert mapFailure to procs to work around type resolution issues
* add toml parser for multiaddress
* change error type on keyutils
* bump nimbus build to use 1.6.14
* update gitignore
* adding new deps submodules
* bump nim ci version
* even more fixes
* more libp2p changes
* update keys
* fix eventually function
* adding coverage test file
* move coverage to build.nims
* use nimcache/coverage
* move libp2p import for tests into helper.nim
* remove named bin
* bug fixes for networkpeers (from Dmitriy)

---------

Co-authored-by: Dmitriy Ryajov <dryajov@gmail.com>
2023-08-01 16:47:57 -07:00

81 lines
2.1 KiB
Nim

import pkg/asynctest
import pkg/stew/byteutils
import pkg/codex/chunker
import pkg/chronicles
import pkg/chronos
import ./helpers
asyncchecksuite "Chunking":
test "should return proper size chunks":
var offset = 0
let contents = [1.byte, 2, 3, 4, 5, 6, 7, 8, 9, 0]
proc reader(data: ChunkBuffer, len: int): Future[int]
{.gcsafe, async, raises: [Defect].} =
let read = min(contents.len - offset, len)
if read == 0:
return 0
copyMem(data, unsafeAddr contents[offset], read)
offset += read
return read
let chunker = Chunker.new(
reader = reader,
chunkSize = 2'nb)
check:
(await chunker.getBytes()) == [1.byte, 2]
(await chunker.getBytes()) == [3.byte, 4]
(await chunker.getBytes()) == [5.byte, 6]
(await chunker.getBytes()) == [7.byte, 8]
(await chunker.getBytes()) == [9.byte, 0]
(await chunker.getBytes()) == []
chunker.offset == offset
test "should chunk LPStream":
let stream = BufferStream.new()
let chunker = LPStreamChunker.new(
stream = stream,
chunkSize = 2'nb)
proc writer() {.async.} =
for d in [@[1.byte, 2, 3, 4], @[5.byte, 6, 7, 8], @[9.byte, 0]]:
await stream.pushData(d)
await stream.pushEof()
await stream.close()
let writerFut = writer()
check:
(await chunker.getBytes()) == [1.byte, 2]
(await chunker.getBytes()) == [3.byte, 4]
(await chunker.getBytes()) == [5.byte, 6]
(await chunker.getBytes()) == [7.byte, 8]
(await chunker.getBytes()) == [9.byte, 0]
(await chunker.getBytes()) == []
chunker.offset == 10
await writerFut
test "should chunk file":
let
(path, _, _) = instantiationInfo(-2, fullPaths = true) # get this file's name
file = open(path)
fileChunker = FileChunker.new(file = file, chunkSize = 256'nb, pad = false)
var data: seq[byte]
while true:
let buff = await fileChunker.getBytes()
if buff.len <= 0:
break
check buff.len <= fileChunker.chunkSize.int
data.add(buff)
check:
string.fromBytes(data) == readFile(path)
fileChunker.offset == data.len