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Contents
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require "spec_helper"
class WorkerThreadError < StandardError
end
describe Chef::Util::ThreadedJobQueue do
let(:queue) { Chef::Util::ThreadedJobQueue.new }
around(:example) do |example|
old_value = Thread.report_on_exception
Thread.report_on_exception = false
example.run
Thread.report_on_exception = old_value
end
it "should pass mutex to jobs with an arity of 1" do
job = double
expect(job).to receive(:arity).at_least(:once).and_return(1)
expect(job).to receive(:call).exactly(5).times.with(an_instance_of(Mutex))
5.times { queue << job }
queue.process
end
it "should pass nothing to jobs with an arity of 0" do
job = double
expect(job).to receive(:arity).at_least(:once).and_return(0)
expect(job).to receive(:call).exactly(5).times.with(no_args)
5.times { queue << job }
queue.process
end
it "should use specified number of threads" do
expect(Thread).to receive(:new).exactly(7).times.and_call_original
queue.process(7)
end
it "should propagate exceptions to the main thread" do
queue << lambda { raise WorkerThreadError }
expect { queue.process }.to raise_error(WorkerThreadError)
end
end
Version data entries
149 entries across 149 versions & 1 rubygems