Module: Minitel::StrictArgs
Instance Method Summary collapse
- #enforce(args, required, allowed = [], uuid_field = nil) ⇒ Object
- #ensure_is_uuid(uuid) ⇒ Object
- #ensure_no_nils(args, keys) ⇒ Object
-
#ensure_strict_args(keys, required, allowed) ⇒ Object
A Ruby 2.1 required keyword argument sorta backport.
Instance Method Details
#enforce(args, required, allowed = [], uuid_field = nil) ⇒ Object
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# File 'lib/minitel/strict_args.rb', line 4 def enforce(args, required, allowed=[], uuid_field=nil) ensure_strict_args(args.keys, required, allowed) ensure_no_nils(args, required) ensure_is_uuid(args[uuid_field]) if uuid_field end |
#ensure_is_uuid(uuid) ⇒ Object
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# File 'lib/minitel/strict_args.rb', line 28 def ensure_is_uuid(uuid) unless uuid =~ /\A[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}\z/i raise ArgumentError, "'#{uuid.inspect}' not formated like a uuid" end end |
#ensure_no_nils(args, keys) ⇒ Object
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# File 'lib/minitel/strict_args.rb', line 22 def ensure_no_nils(args, keys) keys.each do |key| raise ArgumentError, "keyword #{key} is nil" unless args[key] end end |
#ensure_strict_args(keys, required, allowed) ⇒ Object
A Ruby 2.1 required keyword argument sorta backport
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# File 'lib/minitel/strict_args.rb', line 11 def ensure_strict_args(keys, required, allowed) missing = required - keys unless missing.empty? raise ArgumentError, "missing keywords: #{missing.join(', ')}" end unknown = keys - (required + allowed) unless unknown.empty? raise ArgumentError, "extra keywords: #{unknown.join(', ')}" end end |