describe, Matchers, let & Context. A Basic Spec. RSpec.describe User do subject { described_class.new(name: 'Ada') } describe '#valid?' do context 'when name is present' do it { is_expected.to be_valid } end context 'whe…
ReadDoubles, Stubs, Spies & the Rails Ecosystem. Doubles & Verifying Doubles. user_double = double('User', name: 'Ada') # verifying double — checks the stubbed method actually exists on User user_double = instance_double(Use…
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