require 'spec_helper' describe API::Helpers::CustomValidators do let(:scope) do Struct.new(:opts) do def full_name(attr_name) attr_name end end end describe API::Helpers::CustomValidators::Absence do subject do described_class.new(['test'], {}, false, scope.new) end context 'empty param' do it 'does not raise a validation error' do expect_no_validation_error({}) end end context 'invalid parameters' do it 'should raise a validation error' do expect_validation_error({ 'test' => 'some_value' }) end end end describe API::Helpers::CustomValidators::IntegerNoneAny do subject do described_class.new(['test'], {}, false, scope.new) end context 'valid parameters' do it 'does not raise a validation error' do expect_no_validation_error({ 'test' => 2 }) expect_no_validation_error({ 'test' => 100 }) expect_no_validation_error({ 'test' => 'None' }) expect_no_validation_error({ 'test' => 'Any' }) expect_no_validation_error({ 'test' => 'none' }) expect_no_validation_error({ 'test' => 'any' }) end end context 'invalid parameters' do it 'should raise a validation error' do expect_validation_error({ 'test' => 'some_other_string' }) end end end def expect_no_validation_error(params) expect { validate_test_param!(params) }.not_to raise_error end def expect_validation_error(params) expect { validate_test_param!(params) }.to raise_error(Grape::Exceptions::Validation) end def validate_test_param!(params) subject.validate_param!('test', params) end end