nimbus-eth1/tests/test_config.nim

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2019-03-18 03:05:24 +00:00
import
parseopt, strutils,
../nimbus/vm/interpreter/vm_forks
type
ConfigStatus* = enum
## Configuration status flags
Success, ## Success
EmptyOption, ## No options in category
ErrorUnknownOption, ## Unknown option in command line found
ErrorParseOption, ## Error in parsing command line option
ErrorIncorrectOption, ## Option has incorrect value
Error ## Unspecified error
Configuration = ref object
testSubject*: string
fork*: Fork
var testConfig {.threadvar.}: Configuration
proc initConfiguration(): Configuration =
result = new Configuration
result.fork = FkFrontier
proc getConfiguration*(): Configuration {.gcsafe.} =
if isNil(testConfig):
testConfig = initConfiguration()
result = testConfig
proc processArguments*(msg: var string): ConfigStatus =
var
opt = initOptParser()
config = getConfiguration()
result = Success
for kind, key, value in opt.getopt():
case kind
of cmdArgument:
config.testSubject = key
of cmdLongOption, cmdShortOption:
case key.toLowerAscii()
of "fork": config.fork = parseEnum[Fork](strip(value))
else:
msg = "Unknown option " & key
if value.len > 0: msg = msg & " : " & value
result = ErrorUnknownOption
break
of cmdEnd:
doAssert(false)