41 lines
1.2 KiB
Nim
41 lines
1.2 KiB
Nim
import os except dirExists
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import strformat, confutils
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import testutils/fuzzing_engines
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const
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gitRoot = thisDir() / ".."
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fixturesDir = gitRoot / "vendor" / "nim-eth2-scenarios" / "tests-v0.12.3" / "mainnet" / "phase0" / "ssz_static"
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fuzzingTestsDir = gitRoot / "tests" / "fuzzing"
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fuzzingCorpusesDir = fuzzingTestsDir / "corpus"
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cli do (testname {.argument.}: string,
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fuzzer = defaultFuzzingEngine):
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if not dirExists(fixturesDir):
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echo "Please run `make test` first in order to download the official ETH2 test vectors"
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quit 1
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if not dirExists(fixturesDir / testname):
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echo testname, " is not a recognized SSZ type name (type names are case-sensitive)"
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quit 1
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let corpusDir = fuzzingCorpusesDir / testname
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rmDir corpusDir
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mkDir corpusDir
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var inputIdx = 0
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template nextInputName: string =
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inc inputIdx
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"input" & $inputIdx
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for file in walkDirRec(fixturesDir / testname):
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if splitFile(file).ext == ".ssz":
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# TODO Can we create hard links here?
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cpFile file, corpusDir / nextInputName()
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let testProgram = fuzzingTestsDir / &"ssz_decode_{testname}.nim"
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exec &"""ntu fuzz --fuzzer={fuzzer} --corpus="{corpusDir}" "{testProgram}" """
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