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

109 lines
2.9 KiB
Nim

import std/strutils
import pkg/chronos
import pkg/asynctest
import pkg/libp2p
import pkg/stew/byteutils
import pkg/questionable/results
import pkg/dagger/stores/cachestore
import pkg/dagger/chunker
import ../helpers
suite "Cache Store tests":
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
store = CacheStore.new(@[newBlock1, newBlock2, newBlock3])
check store.currentSize == 300
# 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
# cache size cannot be less than chunks size
expect ValueError:
discard CacheStore.new(
cacheSize = 99,
chunkSize = 100)
test "putBlock":
check:
await store.putBlock(newBlock1)
newBlock1.cid in store
# block size bigger than entire cache
store = CacheStore.new(cacheSize = 99, chunkSize = 98)
check not await store.putBlock(newBlock1)
# block being added causes removal of LRU block
store = CacheStore.new(
@[newBlock1, newBlock2, newBlock3],
cacheSize = 200,
chunkSize = 1)
check:
not store.hasBlock(newBlock1.cid)
store.hasBlock(newBlock2.cid)
store.hasBlock(newBlock3.cid)
store.currentSize == newBlock2.data.len + newBlock3.data.len # 200
test "getBlock":
store = CacheStore.new(@[newBlock])
let blk = await store.getBlock(newBlock.cid)
check:
blk.isOk
blk.get == newBlock
test "fail getBlock":
let blk = await store.getBlock(newBlock.cid)
check:
blk.isErr
blk.error of system.KeyError
test "hasBlock":
let store = CacheStore.new(@[newBlock])
check store.hasBlock(newBlock.cid)
test "fail hasBlock":
check not store.hasBlock(newBlock.cid)
test "delBlock":
# empty cache
check not await store.delBlock(newBlock1.cid)
# successfully deleted
discard await store.putBlock(newBlock1)
check await store.delBlock(newBlock1.cid)
# deletes item should decrement size
store = CacheStore.new(@[newBlock1, newBlock2, newBlock3])
check:
store.currentSize == 300
await store.delBlock(newBlock2.cid)
store.currentSize == 200
newBlock2.cid notin store