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#!/usr/bin/env python3
# Eventual goals:
#
# - Check validity of tests fillers.
# - Filter test fillers based on properties.
# - Convert between various test filler formats.
# Non-goals:
#
# - Test filling.
# - Test post-state checking.
# Current goals:
#
# - Generate GeneralStateTests from VMTests.
# - Validate test inputs with JSON Schemas.
# Dependencies:
#
# - python-json
# - python-jsonschema
# Input:
#
# - VMTest filler directory/name, without suffix Filler.json
# eg. vmArithmeticTest/add0
# Output:
#
# - GeneralStateTest filler
# eg. stVMTests/vmArithmeticTest/add0Filler.json
import sys
import os
import json
import jsonschema
def _report(*msg):
print("== " + sys.argv[0] + ":", *msg, file=sys.stderr)
def _die(*msg, exit_code=1):
_report(*msg)
_report("exiting...")
sys.exit(exit_code)
def readJSONFile(fname):
if not os.path.isfile(fname):
_die("Not a file:", fname)
with open(fname, "r") as f:
fcontents = f.read()
return json.loads(fcontents)
def writeJSONFile(fname, fcontents):
if not os.path.exists(os.path.dirname(fname)):
os.makedirs(os.path.dirname(fname))
with open(fname, "w") as f:
f.write(json.dumps(fcontents, indent=4, sort_keys=True))
def findTests(testDir="."):
return [ os.path.join(root, file) for root, _, files in os.walk(testDir)
for file in files
if file.endswith(".json")
]
def validateSchema(jsonFile, schemaFile):
_report("validating", jsonFile, "with", schemaFile)
testSchema = readJSONFile(schemaFile)
jsonInput = readJSONFile(jsonFile)
jsonschema.validate(jsonInput, testSchema)
def validateTestFile(jsonFile):
if jsonFile.startswith("src/GeneralStateTestsFiller/"):
validateSchema(jsonFile, "JSONSchema/st-filler-schema.json")
elif jsonFile.startswith("GeneralStateTests/"):
validateSchema(jsonFile, "JSONSchema/st-schema.json")
elif jsonFile.startswith("BlockchainTests/"):
validateSchema(jsonFile, "JSONSchema/bc-schema.json")
else:
_die("Do not know how to validate file:", jsonFile)
def validateAllTests():
for jsonFile in ( findTests(testDir="src/GeneralStateTestsFiller/")
+ findTests(testDir="GeneralStateTests/")
+ findTests(testDir="BlockchainTests/")
):
validateTestFile(jsonFile)
def _usage():
usage_lines = [ ""
, " usage: " + sys.argv[0] + " format <TEST_FILE>"
, " usage: " + sys.argv[0] + " validate [<TEST_FILE>*]"
, " where:"
, " format: command to format/sort the JSON file."
, " validate: command to check a file against the associated JSON schema (defaults to all files)."
, " <TEST_FILE>: JSON test file/filler to read and write with sorted keys/standard formatting."
]
_die("\n".join(usage_lines))
def main():
if len(sys.argv) < 2:
_usage()
test_command = sys.argv[1]
if test_command == "format":
file_name = sys.argv[2]
writeJSONFile(file_name, readJSONFile(file_name))
elif test_command == "validate":
if len(sys.argv) > 2:
for testFile in sys.argv[2:]:
validateTestFile(testFile)
else:
validateAllTests()
else:
_usage()
if __name__ == "__main__":
main()
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