67 lines
2.2 KiB
Nim
67 lines
2.2 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-Present Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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# Standard library
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os, strutils, typetraits,
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# Internals
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../../beacon_chain/ssz,
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../../beacon_chain/spec/datatypes,
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# Status libs
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stew/byteutils,
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serialization, json_serialization
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export # Workaround:
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# - https://github.com/status-im/nim-serialization/issues/4
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# - https://github.com/status-im/nim-serialization/issues/5
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# - https://github.com/nim-lang/Nim/issues/11225
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serialization.readValue,
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Json, ssz
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# Process current EF test format
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# ---------------------------------------------
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# #######################
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# JSON deserialization
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proc readValue*(r: var JsonReader, a: var seq[byte]) {.inline.} =
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## Custom deserializer for seq[byte]
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a = hexToSeqByte(r.readValue(string))
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# #######################
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# Test helpers
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type
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UnconsumedInput* = object of CatchableError
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TestSizeError* = object of ValueError
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const
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FixturesDir* =
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currentSourcePath.rsplit(DirSep, 1)[0] / ".." / ".." / "vendor" / "nim-eth2-scenarios"
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SszTestsDir* = FixturesDir / "tests-v" & SPEC_VERSION
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proc parseTest*(path: string, Format: typedesc[Json or SSZ], T: typedesc): T =
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try:
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# debugEcho " [Debug] Loading file: \"", path, '\"'
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result = Format.loadFile(path, T)
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except SerializationError as err:
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writeStackTrace()
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stderr.write $Format & " load issue for file \"", path, "\"\n"
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stderr.write err.formatMsg(path), "\n"
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quit 1
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template readFileBytes*(path: string): seq[byte] =
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cast[seq[byte]](readFile(path))
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proc sszDecodeEntireInput*(input: openarray[byte], Decoded: type): Decoded =
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var stream = unsafeMemoryInput(input)
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var reader = init(SszReader, stream)
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reader.readValue(result)
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if stream.readable:
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raise newException(UnconsumedInput, "Remaining bytes in the input")
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