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#
# Author:: Hongli Lai (hongli@phusion.nl)
# Copyright:: Copyright (c) 2009 Phusion
# 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::Mixin::Command, :volatile do
if windows?
pending("TODO MOVE: this is a platform specific integration test.")
else
describe "popen4" do
include Chef::Mixin::Command
it "should be possible to read the child process's stdout and stderr" do
popen4("sh -c 'echo hello && echo world >&2'") do |pid, stdin, stdout, stderr|
stdout.read.should == "hello\n"
stderr.read.should == "world\n"
end
end
it "should default all commands to be run in the POSIX standard C locale" do
popen4("echo $LC_ALL") do |pid, stdin, stdout, stderr|
stdout.read.strip.should == "C"
end
end
it "should respect locale when specified explicitly" do
popen4("echo $LC_ALL", :environment => {"LC_ALL" => "es"}) do |pid, stdin, stdout, stderr|
stdout.read.strip.should == "es"
end
end
it "should end when the child process reads from STDIN and a block is given" do
lambda {Timeout.timeout(10) do
popen4("ruby -e 'while gets; end'", :waitlast => true) do |pid, stdin, stdout, stderr|
(1..5).each { |i| stdin.puts "#{i}" }
end
end
}.should_not raise_error
end
describe "when a process detaches but doesn't close STDOUT and STDERR [CHEF-584]" do
it "returns immediately after the first child process exits" do
lambda {Timeout.timeout(10) do
pid, stdin,stdout,stderr = nil,nil,nil,nil
evil_forker="exit if fork; 10.times { sleep 1}"
popen4("ruby -e '#{evil_forker}'") do |pid,stdin,stdout,stderr|
end
end}.should_not raise_error
end
end
end
describe "run_command" do
include Chef::Mixin::Command
it "logs the command's stderr and stdout output if the command failed" do
Chef::Log.stub(:level).and_return(:debug)
begin
run_command(:command => "sh -c 'echo hello; echo world >&2; false'")
violated "Exception expected, but nothing raised."
rescue => e
e.message.should =~ /STDOUT: hello/
e.message.should =~ /STDERR: world/
end
end
describe "when a process detaches but doesn't close STDOUT and STDERR [CHEF-584]" do
it "returns successfully" do
# CHEF-2916 might have added a slight delay here, or our CI
# infrastructure is burdened. Bumping timeout from 2 => 4 --
# btm
# Serdar - During Solaris tests, we've seen that processes
# are taking a long time to exit. Bumping timeout now to 10.
lambda {Timeout.timeout(10) do
evil_forker="exit if fork; 10.times { sleep 1}"
run_command(:command => "ruby -e '#{evil_forker}'")
end}.should_not raise_error
end
end
end
end
end
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