109 lines
2.9 KiB
Nim
109 lines
2.9 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/libp2p
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import pkg/stew/byteutils
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import pkg/questionable/results
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import pkg/dagger/stores/cachestore
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import pkg/dagger/chunker
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import ../helpers
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suite "Cache Store tests":
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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
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store = CacheStore.new(@[newBlock1, newBlock2, newBlock3])
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check store.currentSize == 300
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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
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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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check:
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await store.putBlock(newBlock1)
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newBlock1.cid in store
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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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check not await store.putBlock(newBlock1)
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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 store.hasBlock(newBlock1.cid)
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store.hasBlock(newBlock2.cid)
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store.hasBlock(newBlock3.cid)
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store.currentSize == newBlock2.data.len + newBlock3.data.len # 200
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test "getBlock":
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store = CacheStore.new(@[newBlock])
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let blk = await store.getBlock(newBlock.cid)
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check:
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blk.isOk
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blk.get == newBlock
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test "fail getBlock":
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let blk = await store.getBlock(newBlock.cid)
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check:
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blk.isErr
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blk.error of system.KeyError
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test "hasBlock":
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let store = CacheStore.new(@[newBlock])
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check store.hasBlock(newBlock.cid)
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test "fail hasBlock":
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check not store.hasBlock(newBlock.cid)
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test "delBlock":
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# empty cache
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check not await store.delBlock(newBlock1.cid)
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# successfully deleted
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discard await store.putBlock(newBlock1)
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check await store.delBlock(newBlock1.cid)
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# deletes item should decrement size
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store = CacheStore.new(@[newBlock1, newBlock2, newBlock3])
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check:
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store.currentSize == 300
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await store.delBlock(newBlock2.cid)
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store.currentSize == 200
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newBlock2.cid notin store
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