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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
expect(stdout.read.strip).to eq("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
expect(stdout.read.strip).to eq("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]
expect(snowy.encoding).to eq(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]
expect(snowy.encoding).to eq(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
expect(created_procs).to eq(100)
reaped_procs = 0
begin
loop { Process.wait(-1); reaped_procs += 1 }
rescue Errno::ECHILD
end
expect(reaped_procs).to eq(0)
end
end
describe Ohai::Mixin::Command, "shell_out" do
let(:cmd) { "sparkle-dream --version" }
let(:shell_out) { double("Mixlib::ShellOut") }
let(:plugin_name) { :OSSparkleDream }
before(:each) do
allow(Ohai::Mixin::Command).to receive(:name).and_return(plugin_name)
end
describe "when the command runs" do
it "logs the command and exitstatus" do
expect(Mixlib::ShellOut).
to receive(:new).
with(cmd, { timeout: 30 }).
and_return(shell_out)
expect(shell_out).
to receive(:run_command)
expect(shell_out).
to receive(:exitstatus).
and_return(256)
expect(Ohai::Log).to receive(:debug).
with("Plugin OSSparkleDream: ran 'sparkle-dream --version' and returned 256")
Ohai::Mixin::Command.shell_out(cmd)
end
end
describe "when the command does not exist" do
it "logs the command and error message" do
expect(Mixlib::ShellOut).
to receive(:new).
with(cmd, { timeout: 30 }).
and_return(shell_out)
expect(shell_out).
to receive(:run_command).
and_raise(Errno::ENOENT, "sparkle-dream")
expect(Ohai::Log).
to receive(:debug).
with("Plugin OSSparkleDream: ran 'sparkle-dream --version' and failed " \
"#<Errno::ENOENT: No such file or directory - sparkle-dream>")
expect { Ohai::Mixin::Command.shell_out(cmd) }.
to raise_error(Ohai::Exceptions::Exec)
end
end
describe "when the command times out" do
it "logs the command an timeout error message" do
expect(Mixlib::ShellOut).
to receive(:new).
with(cmd, { timeout: 30 }).
and_return(shell_out)
expect(shell_out).
to receive(:run_command).
and_raise(Mixlib::ShellOut::CommandTimeout)
expect(Ohai::Log).
to receive(:debug).
with("Plugin OSSparkleDream: ran 'sparkle-dream --version' and timed " \
"out after 30 seconds")
expect { Ohai::Mixin::Command.shell_out(cmd) }.
to raise_error(Ohai::Exceptions::Exec)
end
end
describe "when a timeout option is provided" do
let(:options) { { timeout: 10 } }
it "runs the command with the provided timeout" do
expect(Mixlib::ShellOut).
to receive(:new).
with(cmd, options).
and_return(shell_out)
expect(shell_out).
to receive(:run_command)
expect(shell_out).
to receive(:exitstatus).
and_return(256)
expect(Ohai::Log).to receive(:debug).
with("Plugin OSSparkleDream: ran 'sparkle-dream --version' and returned 256")
Ohai::Mixin::Command.shell_out(cmd, options)
end
describe "when the command times out" do
it "logs the command an timeout error message" do
expect(Mixlib::ShellOut).
to receive(:new).
with(cmd, options).
and_return(shell_out)
expect(shell_out).
to receive(:run_command).
and_raise(Mixlib::ShellOut::CommandTimeout)
expect(Ohai::Log).
to receive(:debug).
with("Plugin OSSparkleDream: ran 'sparkle-dream --version' and timed " \
"out after 10 seconds")
expect { Ohai::Mixin::Command.shell_out(cmd, options) }.
to raise_error(Ohai::Exceptions::Exec)
end
end
end
end
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