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Contents
# encoding: utf-8
require 'spec_helper'
describe Axiom::Types::ValueComparable, '.extended' do
subject { object.extend(described_class) }
let(:object) { Class.new(Axiom::Types::Type) }
it 'delegates to the ancestor' do
# RSpec will reset stubbed methods after the example. A normal expectation
# causes a SystemStackError to be thrown, so we stub it first so that
# RSpec tracks the original method (if any), then we add our own stub that
# actually works, and finally when the example finishes RSpec will reset
# the Module#extended method back to it's original state.
allow_any_instance_of(Module).to receive(:extended).with(object)
delegated_ancestor = false
Module.send(:undef_method, :extended)
Module.send(:define_method, :extended) { |_| delegated_ancestor = true }
expect { subject }.to change { delegated_ancestor }.from(false).to(true)
end
it 'adds minimum method' do
expect { subject }.to change { object.respond_to?(:minimum) }
.from(false).to(true)
end
it 'adds maxumum method' do
expect { subject }.to change { object.respond_to?(:maximum) }
.from(false).to(true)
end
it 'does not set the default minimum' do
expect(subject.minimum).to be_nil
end
it 'does not set the default maximum' do
expect(subject.maximum).to be_nil
end
end
Version data entries
11 entries across 9 versions & 4 rubygems