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#
# Author:: Claire McQuin <claire@chef.io>
# Copyright:: Copyright (c) 2015-2016 Chef Software, Inc.
# 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"
require "ohai/application"
RSpec.describe "Ohai::Application" do
let(:app) { Ohai::Application.new }
let(:argv) { [] }
let(:stderr) { StringIO.new }
before(:each) do
@original_argv = ARGV.dup
ARGV.replace(argv)
end
after(:each) do
ARGV.replace(@original_argv)
end
describe "#configure_ohai" do
let(:config_content) { "" }
let(:config_dir) { Dir.mktmpdir(".chef") }
let(:config_location) { File.join(config_dir, "config.rb") }
before(:each) do
File.open(config_location, "w+") do |f|
f.write(config_content)
end
end
after(:each) do
FileUtils.rm_rf(config_dir)
end
context "when a configuration file is provided as a command line option" do
let(:argv) { [ "-c", config_location + ".oops" ] }
context "and the configuration file does not exist" do
it "logs an error and terminates the application" do
expect(STDERR).to receive(:puts).with(/FATAL:/)
expect(Ohai::Log).to receive(:fatal)
.with(/Specified config file #{argv[1]} does not exist/)
expect { app.configure_ohai }.to raise_error(SystemExit)
end
end
end
context "when a workstation configuration file exists" do
let(:config_content) { "ohai.disabled_plugins = [ :Foo, :Baz ]" }
# env['KNIFE_HOME']/config.rb is the first config file the workstation
# config loader looks for:
# https://github.com/chef/chef/blob/master/chef-config/lib/chef-config/workstation_config_loader.rb#L102
let(:env) { { "KNIFE_HOME" => config_dir } }
before(:each) do
allow_any_instance_of(ChefConfig::WorkstationConfigLoader)
.to receive(:env).and_return(env)
end
it "loads the workstation configuration file" do
app.configure_ohai
expect(Ohai.config[:disabled_plugins]).to eq(%i{Foo Baz})
end
end
context "when the configuration file has a syntax error" do
# For the purpose of these tests it doesn't matter if the configuration
# file was specified via command line or discovered on the local
# workstation. It's easier if we pass the configuration file as a cli
# argument (there's less to stub).
let(:argv) { [ "-c", config_location ] }
let(:config_content) { 'config_location "blaaaaa' }
it "logs an error and terminates the application" do
expect(STDERR).to receive(:puts).with(/FATAL:/)
expect(Ohai::Log).to receive(:fatal)
.with(/You have invalid ruby syntax in your config file/)
expect { app.configure_ohai }.to raise_error(SystemExit)
end
end
end
end
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