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# encoding: utf-8
#
# Author:: Diego Algorta (diego@oboxodo.com)
# Copyright:: Copyright (c) 2009 Diego Algorta
# 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 File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
describe Ohai::Mixin::Command, "popen4" do
break if RUBY_PLATFORM =~ /(win|w)32$/
it "should default all commands to be run in the POSIX standard C locale" do
Ohai::Mixin::Command.popen4("echo $LC_ALL") do |pid, stdin, stdout, stderr|
stdin.close
stdout.read.strip.should == "C"
end
end
it "should respect locale when specified explicitly" do
Ohai::Mixin::Command.popen4("echo $LC_ALL", :environment => {"LC_ALL" => "es"}) do |pid, stdin, stdout, stderr|
stdin.close
stdout.read.strip.should == "es"
end
end
if defined?(::Encoding) && "".respond_to?(:force_encoding) #i.e., ruby 1.9
context "when external commands return UTF-8 strings and we are running under LANG=C encoding" do
before do
@saved_default_external = Encoding.default_external
@saved_default_internal = Encoding.default_internal
Encoding.default_external = Encoding::US_ASCII
Encoding.default_internal = Encoding::US_ASCII
end
after do
Encoding.default_external = @saved_default_external
Encoding.default_internal = @saved_default_internal
end
it "should force encode the string to UTF-8" do
extend Ohai::Mixin::Command
snowy = run_command(:command => ("echo '" + ('☃' * 8096) + "'"))[1]
snowy.encoding.should == Encoding::UTF_8
end
end
it "should force encode the string to UTF-8" do
extend Ohai::Mixin::Command
snowy = run_command(:command => ("echo '" + ('☃' * 8096) + "'"))[1]
snowy.encoding.should == Encoding::UTF_8
end
end
it "reaps zombie processes after exec fails [OHAI-455]" do
# NOTE: depending on ulimit settings, GC, etc., before the OHAI-455 patch,
# ohai could also exhaust the available file descriptors when creating this
# many zombie processes. A regression _could_ cause Errno::EMFILE but this
# probably won't be consistent on different environments.
created_procs = 0
100.times do
begin
Ohai::Mixin::Command.popen4("/bin/this-is-not-a-real-command") {|p,i,o,e| nil }
rescue Ohai::Exceptions::Exec
created_procs += 1
end
end
created_procs.should == 100
reaped_procs = 0
begin
loop { Process.wait(-1); reaped_procs += 1 }
rescue Errno::ECHILD
end
reaped_procs.should == 0
end
end
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