Sha256: 766a67ef0070c83f6d0b64feb8fbac4f1788fdc4c72daff726c6ad720136b715
Contents?: true
Size: 1011 Bytes
Versions: 24
Compression:
Stored size: 1011 Bytes
Contents
# A helper to ensure `object` implements the concept `as`
class GraphQL::Schema::ImplementationValidator
attr_reader :object, :errors, :implementation_as
def initialize(object, as:, errors:)
@object = object
@implementation_as = as
@errors = errors
end
# Ensure the object responds to `method_name`.
# If `block_given?`, yield the return value of that method
# If provided, use `as` in the error message, overriding class-level `as`.
def must_respond_to(method_name, args: [], as: nil)
local_as = as || implementation_as
method_signature = "##{method_name}(#{args.join(", ")})"
if !object.respond_to?(method_name)
errors << "#{object.to_s} must respond to #{method_signature} to be a #{local_as}"
elsif block_given?
return_value = object.public_send(method_name)
if return_value.nil?
errors << "#{object.to_s} must return a value for #{method_signature} to be a #{local_as}"
else
yield(return_value)
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems