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module Concurrent
RSpec.describe Options do
context '.executor_from_options' do
let(:executor) { ImmediateExecutor.new }
let(:io_executor) { ImmediateExecutor.new }
let(:fast_executor) { ImmediateExecutor.new }
it 'returns the given :executor' do
expect(Options.executor_from_options(executor: executor)).to eq executor
end
it 'returns the global io executor when :executor is :io' do
executor = Options.executor_from_options(executor: :io)
expect(executor).to eq Concurrent.global_io_executor
end
it 'returns the global fast executor when :executor is :fast' do
executor = Options.executor_from_options(executor: :fast)
expect(executor).to eq Concurrent.global_fast_executor
end
it 'returns an immediate executor when :executor is :immediate' do
executor = Options.executor_from_options(executor: :immediate)
expect(executor).to be_a Concurrent::ImmediateExecutor
end
it 'raises an exception when :executor is an unrecognized symbol' do
expect {
Options.executor_from_options(executor: :bogus)
}.to raise_error(ArgumentError)
end
end
end
end
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