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Contents
require 'spec_helper'
require 'r10k/settings'
describe R10K::Settings::Container do
describe 'validating keys' do
it 'can add new valid keys' do
subject.add_valid_key(:v)
subject[:v]
end
it 'can check if a key is valid' do
subject.add_valid_key(:v)
expect(subject.valid_key?(:v)).to be_true
end
it 'can list all valid keys' do
subject.add_valid_key(:v)
subject.add_valid_key(:w)
expect(subject.valid_keys).to include :v
expect(subject.valid_keys).to include :w
end
end
describe 'specifying settings' do
it 'fails if a setting application uses an invalid key' do
expect { subject[:invalid] = 'fail' }.to raise_error R10K::Settings::Container::InvalidKey
end
it 'can look up values that it sets' do
subject.add_valid_key :v
subject[:v] = 'set'
expect(subject[:v]).to eq 'set'
end
end
describe 'looking up settings' do
before do
subject.add_valid_key :v
end
it 'fails if a setting lookup uses an invalid key' do
expect { subject[:invalid] }.to raise_error R10K::Settings::Container::InvalidKey
end
it 'returns nil if a key is valid but no setting is present' do
expect(subject[:v]).to be_nil
end
describe 'with a parent container' do
let(:parent) { described_class.new.tap { |p| p.add_valid_key :v } }
subject { described_class.new(parent) }
it 'uses its setting over a parent value' do
subject[:v] = 'child'
parent[:v] = 'parent'
expect(subject[:v]).to eq 'child'
end
it 'falls back to the parent value if it does not have a value' do
parent[:v] = 'parent'
expect(subject[:v]).to eq 'parent'
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems