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#
# Specifying rufus-scheduler
#
# Tue Aug 13 05:58:48 JST 2013
#
require 'spec_helper'
describe Rufus::Scheduler do
after :each do
FileUtils.rm_f('.rufus-scheduler.lock')
FileUtils.rm_f('lock.txt')
end
context ':lockfile => ".rufus-scheduler.lock"' do
it 'writes down a .rufus-scheduler.lock file' do
s = Rufus::Scheduler.new :lockfile => '.rufus-scheduler.lock'
line = File.read('.rufus-scheduler.lock')
#p line
expect(line).to match(/pid: #{$$}/)
end
it '"flocks" the lock file' do
s = Rufus::Scheduler.new :lockfile => '.rufus-scheduler.lock'
f = File.new('.rufus-scheduler.lock', 'a')
expect(f.flock(File::LOCK_NB | File::LOCK_EX)).to eq(false)
end
it 'prevents newer schedulers from starting' do
s0 = Rufus::Scheduler.new :lockfile => '.rufus-scheduler.lock'
s1 = Rufus::Scheduler.new :lockfile => '.rufus-scheduler.lock'
expect(s0.started_at).not_to eq(nil)
expect(s1.started_at).to eq(nil)
end
it 'releases the lockfile when shutting down' do
s = Rufus::Scheduler.new :lockfile => '.rufus-scheduler.lock'
s.shutdown(:kill)
f = File.new('.rufus-scheduler.lock', 'a')
expect(f.flock(File::LOCK_NB | File::LOCK_EX)).to eq(0)
end
end
end
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