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Contents
require 'spec_helper'
require 'vm_shepherd/backport_refinements'
module VmShepherd
RSpec.describe BackportRefinements do
describe '.should_refine?' do
context 'Ruby < 2.3' do
before { stub_const("RUBY_VERSION", '2.1.0') }
it 'returns true' do
expect(BackportRefinements.should_refine?).to eq(true)
end
end
context 'Ruby >= 2.3' do
before { stub_const("RUBY_VERSION", '2.3.0') }
it 'returns false' do
expect(BackportRefinements.should_refine?).to eq(false)
end
end
end
describe 'Array#dig and Hash#dig' do
using BackportRefinements
it 'monkey patches dig for Array' do
ary = ['a', 'b', 'c', 'd']
expect(ary.dig(0)).to eq('a')
expect(ary.dig(1)).to eq('b')
expect(ary.dig(2)).to eq('c')
expect(ary.dig(3)).to eq('d')
end
it 'monkey patches dig for Hash' do
hsh = {foo: {bar: :baz}}
expect(hsh.dig(:foo, :bar)).to eq(:baz)
end
it 'monkey patches dig for arbitrarily nested Arrays / Hashes' do
hsh = {foo: ['nope', {'foo' => 'bar'}]}
expect(hsh.dig(:foo, 1, 'foo')).to eq('bar')
end
it 'returns nil when unable to find a matching object while traversing' do
hsh = {foo: ['nope', {'foo' => 'bar'}]}
expect(hsh.dig(0, 'sure', 2, 'not_gonna_happen')).to be_nil
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems