nim-codex/tests/codex/stores/testcachestore.nim

74 lines
2.3 KiB
Nim

import std/strutils
import pkg/chronos
import pkg/asynctest/chronos/unittest
import pkg/stew/byteutils
import pkg/questionable/results
import pkg/codex/stores/cachestore
import pkg/codex/chunker
import ./commonstoretests
import ../helpers
checksuite "Cache Store":
var
newBlock, newBlock1, newBlock2, newBlock3: Block
store: CacheStore
setup:
newBlock = Block.new("New Kids on the Block".toBytes()).tryGet()
newBlock1 = Block.new("1".repeat(100).toBytes()).tryGet()
newBlock2 = Block.new("2".repeat(100).toBytes()).tryGet()
newBlock3 = Block.new("3".repeat(100).toBytes()).tryGet()
store = CacheStore.new()
test "constructor":
# cache size cannot be smaller than chunk size
expect ValueError:
discard CacheStore.new(cacheSize = 1, chunkSize = 2)
store = CacheStore.new(cacheSize = 100, chunkSize = 1)
check store.currentSize == 0'nb
store = CacheStore.new(@[newBlock1, newBlock2, newBlock3])
check store.currentSize == 300'nb
# initial cache blocks total more than cache size, currentSize should
# never exceed max cache size
store = CacheStore.new(
blocks = @[newBlock1, newBlock2, newBlock3],
cacheSize = 200,
chunkSize = 1)
check store.currentSize == 200'nb
# cache size cannot be less than chunks size
expect ValueError:
discard CacheStore.new(
cacheSize = 99,
chunkSize = 100)
test "putBlock":
(await store.putBlock(newBlock1)).tryGet()
check (await store.hasBlock(newBlock1.cid)).tryGet()
# block size bigger than entire cache
store = CacheStore.new(cacheSize = 99, chunkSize = 98)
(await store.putBlock(newBlock1)).tryGet()
check not (await store.hasBlock(newBlock1.cid)).tryGet()
# block being added causes removal of LRU block
store = CacheStore.new(
@[newBlock1, newBlock2, newBlock3],
cacheSize = 200,
chunkSize = 1)
check:
not (await store.hasBlock(newBlock1.cid)).tryGet()
(await store.hasBlock(newBlock2.cid)).tryGet()
(await store.hasBlock(newBlock2.cid)).tryGet()
store.currentSize.int == newBlock2.data.len + newBlock3.data.len # 200
commonBlockStoreTests(
"Cache", proc: BlockStore =
BlockStore(CacheStore.new(cacheSize = 1000, chunkSize = 1)))