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Contents
module RspecApiDocs
module After
class TypeChecker
UnknownType = Class.new(BaseError)
TypeError = Class.new(BaseError)
attr_reader :type, :value
def self.call(*args)
new(*args).check
end
def initialize(type:, value:)
@type = type
@value = value
end
def check
case type
when /integer/i
is_integer?(value) or raise_type_error
when /float/i
is_float?(value) or raise_type_error
when /boolean/i
is_bool?(value) or raise_type_error
when /string/i
# NO OP
else
raise UnknownType, "unknown type #{type.inspect}"
end
end
private
def is_integer?(str)
Integer(str) && true
rescue ArgumentError
false
end
def is_float?(str)
Float(str) && true
rescue ArgumentError
false
end
def is_bool?(str)
%w[true false].include?(str)
end
def raise_type_error
raise TypeError, "wrong type #{value.inspect}, expected #{type.inspect}"
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems