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https://github.com/logos-storage/logos-storage-nim.git
synced 2026-01-12 02:13:08 +00:00
111 lines
2.8 KiB
Nim
111 lines
2.8 KiB
Nim
import pkg/chronos
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import pkg/codex/[streams, stores, indexingstrategy, manifest, blocktype as bt]
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import ../asynctest
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import ./examples
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import ./helpers
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asyncchecksuite "StoreStream":
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var
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manifest: Manifest
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store: BlockStore
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stream: StoreStream
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# Check that `buf` contains `size` bytes with values start, start+1...
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proc sequentialBytes(buf: seq[byte], size: int, start: int): bool =
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for i in 0 ..< size:
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if int(buf[i]) != start + i:
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return false
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return true
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let
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data = [
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byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
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22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
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42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
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62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
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82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,
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]
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chunkSize = 10
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teardown:
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await stream.close()
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setup:
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store = CacheStore.new()
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manifest = await storeDataGetManifest(
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store, MockChunker.new(dataset = data, chunkSize = chunkSize)
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)
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stream = StoreStream.new(store, manifest)
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test "Read all blocks < blockSize":
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var
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buf = newSeq[byte](8)
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n = 0
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while not stream.atEof:
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let read = (await stream.readOnce(addr buf[0], buf.len))
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if not stream.atEof:
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check read == 8
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else:
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check read == 4
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check sequentialBytes(buf, read, n)
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n += read
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test "Read all blocks == blockSize":
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var
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buf = newSeq[byte](10)
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n = 0
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while not stream.atEof:
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let read = (await stream.readOnce(addr buf[0], buf.len))
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check read == 10
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check sequentialBytes(buf, read, n)
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n += read
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test "Read all blocks > blockSize":
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var
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buf = newSeq[byte](11)
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n = 0
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while not stream.atEof:
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let read = (await stream.readOnce(addr buf[0], buf.len))
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if not stream.atEof:
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check read == 11
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else:
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check read == 1
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check sequentialBytes(buf, read, n)
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n += read
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test "Read exact bytes within block boundary":
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var buf = newSeq[byte](5)
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await stream.readExactly(addr buf[0], 5)
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check sequentialBytes(buf, 5, 0)
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test "Read exact bytes outside of block boundary":
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var buf = newSeq[byte](15)
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await stream.readExactly(addr buf[0], 15)
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check sequentialBytes(buf, 15, 0)
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suite "StoreStream - Size Tests":
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var stream: StoreStream
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teardown:
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await stream.close()
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test "Should return dataset size as stream size":
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let manifest = Manifest.new(
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treeCid = Cid.example, datasetSize = 80.NBytes, blockSize = 10.NBytes
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)
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stream = StoreStream.new(CacheStore.new(), manifest)
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check stream.size == 80
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