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