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#
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Copyright:: Copyright (c) 2011 Opscode, 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'
describe Chef::Knife::SubcommandLoader do
before do
Chef::Platform.stub(:windows?) { false }
@home = File.join(CHEF_SPEC_DATA, 'knife-home')
@env = {'HOME' => @home}
@loader = Chef::Knife::SubcommandLoader.new(File.join(CHEF_SPEC_DATA, 'knife-site-subcommands'), @env)
end
it "builds a list of the core subcommand file require paths" do
@loader.subcommand_files.should_not be_empty
@loader.subcommand_files.each do |require_path|
require_path.should match(/chef\/knife\/.*|plugins\/knife\/.*/)
end
end
it "finds files installed via rubygems" do
@loader.find_subcommands_via_rubygems.should include('chef/knife/node_create')
@loader.find_subcommands_via_rubygems.each {|rel_path, abs_path| abs_path.should match(%r[chef/knife/.+])}
end
it "finds files from latest version of installed gems" do
gems = [ double('knife-ec2-0.5.12') ]
gem_files = [
'/usr/lib/ruby/gems/knife-ec2-0.5.12/lib/chef/knife/ec2_base.rb',
'/usr/lib/ruby/gems/knife-ec2-0.5.12/lib/chef/knife/ec2_otherstuff.rb'
]
$LOAD_PATH.should_receive(:map).and_return([])
if Gem::Specification.respond_to? :latest_specs
Gem::Specification.should_receive(:latest_specs).with(true).and_return(gems)
gems[0].should_receive(:matches_for_glob).with(/chef\/knife\/\*\.rb\{(.*),\.rb,(.*)\}/).and_return(gem_files)
else
Gem.source_index.should_receive(:latest_specs).with(true).and_return(gems)
gems[0].should_receive(:require_paths).twice.and_return(['lib'])
gems[0].should_receive(:full_gem_path).and_return('/usr/lib/ruby/gems/knife-ec2-0.5.12')
Dir.should_receive(:[]).with('/usr/lib/ruby/gems/knife-ec2-0.5.12/lib/chef/knife/*.rb').and_return(gem_files)
end
@loader.should_receive(:find_subcommands_via_dirglob).and_return({})
@loader.find_subcommands_via_rubygems.values.select { |file| file =~ /knife-ec2/ }.sort.should == gem_files
end
it "finds files using a dirglob when rubygems is not available" do
@loader.find_subcommands_via_dirglob.should include('chef/knife/node_create')
@loader.find_subcommands_via_dirglob.each {|rel_path, abs_path| abs_path.should match(%r[chef/knife/.+])}
end
it "finds user-specific subcommands in the user's ~/.chef directory" do
expected_command = File.join(@home, '.chef', 'plugins', 'knife', 'example_home_subcommand.rb')
@loader.site_subcommands.should include(expected_command)
end
it "finds repo specific subcommands by searching for a .chef directory" do
expected_command = File.join(CHEF_SPEC_DATA, 'knife-site-subcommands', 'plugins', 'knife', 'example_subcommand.rb')
@loader.site_subcommands.should include(expected_command)
end
describe "finding 3rd party plugins" do
let(:env_home) { "/home/alice" }
let(:manifest_path) { env_home + "/.chef/plugin_manifest.json" }
before do
env_dup = ENV.to_hash
ENV.stub(:[]).and_return { |key| env_dup[key] }
ENV.stub(:[]).with("HOME").and_return(env_home)
end
context "when there is not a ~/.chef/plugin_manifest.json file" do
before do
File.stub(:exist?).with(manifest_path).and_return(false)
end
it "searches rubygems for plugins" do
if Gem::Specification.respond_to?(:latest_specs)
Gem::Specification.should_receive(:latest_specs).and_call_original
else
Gem.source_index.should_receive(:latest_specs).and_call_original
end
@loader.subcommand_files.each do |require_path|
require_path.should match(/chef\/knife\/.*|plugins\/knife\/.*/)
end
end
context "and HOME environment variable is not set" do
before do
ENV.stub(:[]).with("HOME").and_return(nil)
end
it "searches rubygems for plugins" do
if Gem::Specification.respond_to?(:latest_specs)
Gem::Specification.should_receive(:latest_specs).and_call_original
else
Gem.source_index.should_receive(:latest_specs).and_call_original
end
@loader.subcommand_files.each do |require_path|
require_path.should match(/chef\/knife\/.*|plugins\/knife\/.*/)
end
end
end
end
context "when there is a ~/.chef/plugin_manifest.json file" do
let(:ec2_server_create_plugin) { "/usr/lib/ruby/gems/knife-ec2-0.5.12/lib/chef/knife/ec2_server_create.rb" }
let(:manifest_content) do
{ "plugins" => {
"knife-ec2" => {
"paths" => [
ec2_server_create_plugin
]
}
}
}
end
let(:manifest_json) { Chef::JSONCompat.to_json(manifest_content) }
before do
File.stub(:exist?).with(manifest_path).and_return(true)
File.stub(:read).with(manifest_path).and_return(manifest_json)
end
it "uses paths from the manifest instead of searching gems" do
Gem::Specification.should_not_receive(:latest_specs).and_call_original
@loader.subcommand_files.should include(ec2_server_create_plugin)
end
end
end
end
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