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require 'spec_helper'
describe Icalendar::DowncasedHash do
subject { described_class.new base }
let(:base) { {'hello' => 'world'} }
describe '#[]=' do
it 'sets a new value' do
subject['FOO'] = 'bar'
expect(subject['foo']).to eq 'bar'
end
end
describe '#[]' do
it 'gets an already set value' do
subject['foo'] = 'bar'
expect(subject['FOO']).to eq 'bar'
end
end
describe '#has_key?' do
it 'correctly identifies keys in the hash' do
expect(subject.has_key? 'hello').to be true
expect(subject.has_key? 'HELLO').to be true
end
end
describe '#delete' do
context 'no block' do
it 'removes the key' do
subject.delete 'HELLO'
expect(subject.has_key? 'hello').to be false
end
end
context 'with a block' do
it 'calls the block when the key is not found' do
expect { |b| subject.delete 'nokey', &b }.to yield_with_args('nokey')
end
end
end
describe 'DowncasedHash()' do
it 'returns self when passed an DowncasedHash' do
expect(Icalendar::DowncasedHash(subject)).to be subject
end
it 'wraps a hash in an downcased hash' do
expect(Icalendar::DowncasedHash(base)).to be_kind_of Icalendar::DowncasedHash
end
end
end
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