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# frozen_string_literal: true
require 'spec_helper'
describe Grape::Validations::MultipleAttributesIterator do
describe '#each' do
subject(:iterator) { described_class.new(validator, scope, params) }
let(:scope) { Grape::Validations::ParamsScope.new(api: Class.new(Grape::API)) }
let(:validator) { double(attrs: %i[first second third]) }
context 'when params is a hash' do
let(:params) do
{ first: 'string', second: 'string' }
end
it 'yields the whole params hash and the skipped flag without the list of attrs' do
expect { |b| iterator.each(&b) }.to yield_with_args(params, false)
end
end
context 'when params is an array' do
let(:params) do
[{ first: 'string1', second: 'string1' }, { first: 'string2', second: 'string2' }]
end
it 'yields each element of the array without the list of attrs' do
expect { |b| iterator.each(&b) }.to yield_successive_args([params[0], false], [params[1], false])
end
end
context 'when params is empty optional placeholder' do
let(:params) do
[Grape::DSL::Parameters::EmptyOptionalValue, { first: 'string2', second: 'string2' }]
end
it 'yields each element of the array without the list of attrs' do
expect { |b| iterator.each(&b) }.to yield_successive_args([Grape::DSL::Parameters::EmptyOptionalValue, true], [params[1], false])
end
end
end
end
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