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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
require 'puppet/agent'
require 'puppet/agent/locker'
class LockerTester
include Puppet::Agent::Locker
end
describe Puppet::Agent::Locker do
before do
@locker = LockerTester.new
@locker.stubs(:lockfile_path).returns "/my/lock"
end
it "should use a Pidlock instance as its lockfile" do
@locker.lockfile.should be_instance_of(Puppet::Util::Pidlock)
end
it "should use 'lockfile_path' to determine its lockfile path" do
@locker.expects(:lockfile_path).returns "/my/lock"
lock = Puppet::Util::Pidlock.new("/my/lock")
Puppet::Util::Pidlock.expects(:new).with("/my/lock").returns lock
@locker.lockfile
end
it "should reuse the same lock file each time" do
@locker.lockfile.should equal(@locker.lockfile)
end
it "should use the lock file to anonymously lock the process when disabled" do
@locker.lockfile.expects(:lock).with(:anonymous => true)
@locker.disable
end
it "should use the lock file to anonymously unlock the process when enabled" do
@locker.lockfile.expects(:unlock).with(:anonymous => true)
@locker.enable
end
it "should have a method that yields when a lock is attained" do
@locker.lockfile.expects(:lock).returns true
yielded = false
@locker.lock do
yielded = true
end
yielded.should be_true
end
it "should return true when the lock method successfully locked" do
@locker.lockfile.expects(:lock).returns true
@locker.lock {}.should be_true
end
it "should return true when the lock method does not receive the lock" do
@locker.lockfile.expects(:lock).returns false
@locker.lock {}.should be_false
end
it "should not yield when the lock method does not receive the lock" do
@locker.lockfile.expects(:lock).returns false
yielded = false
@locker.lock { yielded = true }
yielded.should be_false
end
it "should not unlock when a lock was not received" do
@locker.lockfile.expects(:lock).returns false
@locker.lockfile.expects(:unlock).never
@locker.lock {}
end
it "should unlock after yielding upon obtaining a lock" do
@locker.lockfile.stubs(:lock).returns true
@locker.lockfile.expects(:unlock)
@locker.lock {}
end
it "should unlock after yielding upon obtaining a lock, even if the block throws an exception" do
@locker.lockfile.stubs(:lock).returns true
@locker.lockfile.expects(:unlock)
lambda { @locker.lock { raise "foo" } }.should raise_error(RuntimeError)
end
it "should be considered running if the lockfile is locked" do
@locker.lockfile.expects(:locked?).returns true
@locker.should be_running
end
end
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