nim-libp2p/tests/testcid.nim

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import unittest
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import ../libp2p/[cid, multihash, multicodec, errors]
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suite "Content identifier CID test suite":
test "CIDv0 test vector":
var cid0Text = "QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n"
var cid0 = Cid.init(cid0Text)
check:
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cid0.isOk == true
$(cid0.value) == cid0Text
cid0.value.version() == CIDv0
cid0.value.contentType() == multiCodec("dag-pb")
cid0.value.mhash().value.mcodec == multiCodec("sha2-256")
var cidb0 = Cid.init("QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zIII")
check:
cidb0.isErr == true
cidb0.error == errors.CidIncorrectError
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test "CIDv1 test vector":
var cid1Text = "zb2rhhFAEMepUBbGyP1k8tGfz7BSciKXP6GHuUeUsJBaK6cqG"
var chex = "015512209D8453505BDC6F269678E16B3E56" &
"C2A2948A41F2C792617CC9611ED363C95B63"
var cid1 = Cid.init(cid1Text)
check:
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cid1.isOk == true
$(cid1.value) == cid1Text
cid1.value.version() == CIDv1
cid1.value.contentType() == multiCodec("raw")
cid1.value.mhash().value.mcodec == multiCodec("sha2-256")
hex(cid1.value) == chex
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test "Comparison test":
var msg = "Hello World!"
var mmsg = "Hello World!Hello World!"
var bmsg = cast[seq[byte]](msg)
var bmmsg = cast[seq[byte]](mmsg)
var cid0 = Cid.init(CIDv0, multiCodec("dag-pb"),
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MultiHash.digest("sha2-256", bmsg).value)
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var cid1 = Cid.init(CIDv1, multiCodec("dag-pb"),
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MultiHash.digest("sha2-256", bmsg).value)
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var cid2 = cid1
var cid3 = cid0
var cid4 = Cid.init(CIDv1, multiCodec("dag-cbor"),
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MultiHash.digest("sha2-256", bmsg).value)
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var cid5 = Cid.init(CIDv1, multiCodec("dag-pb"),
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MultiHash.digest("sha2-256", bmmsg).value)
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var cid6 = Cid.init(CIDv1, multiCodec("dag-pb"),
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MultiHash.digest("keccak-256", bmsg).value)
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check:
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cid0.value == cid1.value
cid1.value == cid2.value
cid2.value == cid3.value
cid3.value == cid0.value
cid0.value != cid4.value
cid1.value != cid5.value
cid2.value != cid4.value
cid3.value != cid6.value