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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Author:: Toomas Pelberg (toomasp@gmx.net)
# Copyright:: Copyright (c) 2009 Bryan McLellan
# Copyright:: Copyright (c) 2010 Toomas Pelberg
# 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'
describe Chef::Provider::Cron::Unix do
subject(:provider) { Chef::Provider::Cron::Unix.new(new_resource, run_context) }
let(:username) { "root" }
let(:node) { Chef::Node.new }
let(:events) { Chef::EventDispatch::Dispatcher.new }
let(:run_context) { Chef::RunContext.new(node, {}, events) }
let(:new_resource) do
Chef::Resource::Cron.new("cronhole some stuff").tap do |resource|
resource.user username
resource.minute "30"
resource.command "/bin/true"
end
end
let(:status) { double('Process::Status', :exitstatus => exitstatus) }
let(:exitstatus) { 0 }
let(:shell_out) { double('Mixlib::ShellOut', :status => status, :stdout => stdout, :stderr => stderr) }
it "is a Chef::Provider:Cron" do
expect(provider).to be_a(Chef::Provider::Cron)
end
describe "read_crontab" do
let(:stderr) { "" }
let(:stdout) do
String.new(<<-CRONTAB)
0 2 * * * /some/other/command
# Chef Name: something else
* 5 * * * /bin/true
# Another comment
CRONTAB
end
before do
allow(Chef::Log).to receive(:debug)
allow(shell_out).to receive(:format_for_exception).and_return("formatted command output")
allow(provider).to receive(:shell_out).with('/usr/bin/crontab -l', :user => username).and_return(shell_out)
end
it "should call crontab -l with the user" do
provider.send(:read_crontab)
expect(provider).to have_received(:shell_out).with('/usr/bin/crontab -l', :user => username)
end
it "should return the contents of the crontab" do
crontab = provider.send(:read_crontab)
expect(crontab).to eq(stdout)
end
context "when the user has no crontab" do
let(:exitstatus) { 1 }
it "should return nil if the user has no crontab" do
expect(provider.send(:read_crontab)).to be_nil
end
it "logs the crontab output to debug" do
provider.send(:read_crontab)
expect(Chef::Log).to have_received(:debug).with("formatted command output")
end
end
context "when any other error occurs" do
let (:exitstatus) { 2 }
it "should raise an exception if another error occurs" do
expect {
provider.send(:read_crontab)
}.to raise_error(Chef::Exceptions::Cron, "Error determining state of #{new_resource.name}, exit: 2")
end
it "logs the crontab output to debug" do
provider.send(:read_crontab) rescue nil
expect(Chef::Log).to have_received(:debug).with("formatted command output")
end
end
end
describe "write_crontab" do
let(:stdout) { "" }
let(:stderr) { "" }
let(:tempfile) { double("foo", :path => "/tmp/foo", :close => true) }
before do
expect(Tempfile).to receive(:new).and_return(tempfile)
expect(tempfile).to receive(:flush)
expect(tempfile).to receive(:chmod).with(420)
expect(tempfile).to receive(:close!)
allow(tempfile).to receive(:<<)
allow(provider).to receive(:shell_out).with("/usr/bin/crontab #{tempfile.path}", :user => username).and_return(shell_out)
end
it "should call crontab for the user" do
provider.send(:write_crontab, "Foo")
expect(provider).to have_received(:shell_out).with("/usr/bin/crontab #{tempfile.path}", :user => username)
end
it "should call crontab with a file containing the crontab" do
provider.send(:write_crontab, "Foo\n# wibble\n wah!!")
expect(tempfile).to have_received(:<<).with("Foo\n# wibble\n wah!!")
end
context "when writing the crontab fails" do
let(:exitstatus) { 1 }
it "should raise an exception if the command returns non-zero" do
expect {
provider.send(:write_crontab, "Foo")
}.to raise_error(Chef::Exceptions::Cron, /Error updating state of #{new_resource.name}, exit: 1/)
end
end
end
end
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