class ChefCLI::Policyfile::ComparisonBase::Local

def initialize(policyfile_lock_relpath)
  @policyfile_lock_relpath = policyfile_lock_relpath
end

def lock
  raise LockfileNotFound, "Expected lockfile at #{policyfile_lock_relpath} does not exist" unless File.exist?(policyfile_lock_relpath)
  raise LockfileNotFound, "Expected lockfile at #{policyfile_lock_relpath} cannot be read" unless File.readable?(policyfile_lock_relpath)
  FFI_Yajl::Parser.parse(IO.read(policyfile_lock_relpath))
rescue FFI_Yajl::ParseError => e
  raise MalformedLockfile, "Invalid JSON in lockfile at #{policyfile_lock_relpath}:\n  #{e.message}"
end

def name
  "local:#{policyfile_lock_relpath}"
end