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shared_examples_for 'has options' do |object|
if object.respond_to?(:call)
subject { object.call }
else
subject { object }
end
describe 'dump options' do
before do
subject.dump_options = nil
end
after do
subject.dump_options = nil
end
it 'returns default options if not set' do
expect(subject.dump_options).to eq(subject.default_dump_options)
end
it 'allows hashes' do
subject.dump_options = {:foo => 'bar'}
expect(subject.dump_options).to eq(:foo => 'bar')
end
it 'allows objects that implement #to_hash' do
value = Class.new do
def to_hash
{:foo => 'bar'}
end
end.new
subject.dump_options = value
expect(subject.dump_options).to eq(:foo => 'bar')
end
it 'evaluates lambda returning options (with args)' do
subject.dump_options = lambda { |a1, a2| {a1 => a2} }
expect(subject.dump_options('1', '2')).to eq('1' => '2')
end
it 'evaluates lambda returning options (with no args)' do
subject.dump_options = lambda { {:foo => 'bar'} }
expect(subject.dump_options).to eq(:foo => 'bar')
end
it 'returns empty hash in all other cases' do
subject.dump_options = true
expect(subject.dump_options).to eq(subject.default_dump_options)
subject.dump_options = false
expect(subject.dump_options).to eq(subject.default_dump_options)
subject.dump_options = 10
expect(subject.dump_options).to eq(subject.default_dump_options)
subject.dump_options = nil
expect(subject.dump_options).to eq(subject.default_dump_options)
end
end
describe 'load options' do
before do
subject.load_options = nil
end
after do
subject.load_options = nil
end
it 'returns default options if not set' do
expect(subject.load_options).to eq(subject.default_load_options)
end
it 'allows hashes' do
subject.load_options = {:foo => 'bar'}
expect(subject.load_options).to eq(:foo => 'bar')
end
it 'allows objects that implement #to_hash' do
value = Class.new do
def to_hash
{:foo => 'bar'}
end
end.new
subject.load_options = value
expect(subject.load_options).to eq(:foo => 'bar')
end
it 'evaluates lambda returning options (with args)' do
subject.load_options = lambda { |a1, a2| {a1 => a2} }
expect(subject.load_options('1', '2')).to eq('1' => '2')
end
it 'evaluates lambda returning options (with no args)' do
subject.load_options = lambda { {:foo => 'bar'} }
expect(subject.load_options).to eq(:foo => 'bar')
end
it 'returns empty hash in all other cases' do
subject.load_options = true
expect(subject.load_options).to eq(subject.default_load_options)
subject.load_options = false
expect(subject.load_options).to eq(subject.default_load_options)
subject.load_options = 10
expect(subject.load_options).to eq(subject.default_load_options)
subject.load_options = nil
expect(subject.load_options).to eq(subject.default_load_options)
end
end
end
|
