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Contents
require 'spec_helper'
describe Shoulda::Matchers::ActiveModel::NumericalityMatchers::OddNumberMatcher do
subject { described_class.new(:attr) }
it_behaves_like 'a numerical submatcher'
it_behaves_like 'a numerical type submatcher'
it 'allows odd number' do
expect(subject.allowed_type).to eq 'odd numbers'
end
describe '#diff_to_compare' do
it { expect(subject.diff_to_compare).to eq 2 }
end
context 'when the model has an odd validation' do
it 'matches' do
match = subject
expect(validating_odd_number).to match
end
end
context 'when the model does not have an odd validation' do
it 'does not match' do
match = subject
expect(not_validating_odd_number).not_to match
end
it 'fails with the ActiveRecord :odd message' do
match = subject
expect {
expect(not_validating_odd_number).to match
}.to fail_with_message_including('Expected errors to include "must be odd"')
end
end
context 'with custom validation message' do
it 'only accepts odd number values for that attribute with that message' do
expect(validating_odd_number(message: 'custom')).to subject.with_message(/custom/)
end
it 'fails odd number values for that attribute with another message' do
expect(validating_odd_number(message: 'custom')).not_to subject.with_message(/wrong/)
end
end
def validating_odd_number(options = {})
define_model :example, attr: :string do
validates_numericality_of :attr, { odd: true }.merge(options)
end.new
end
def not_validating_odd_number
define_model(:example, attr: :string).new
end
end
Version data entries
9 entries across 9 versions & 2 rubygems