File Manager
Viewing File: link_spec.rb
#
# Author:: AJ Christensen (<aj@junglist.gen.nz>)
# Author:: John Keiser (<jkeiser@chef.io>)
# Copyright:: Copyright 2008-2016, 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 "ostruct"
require "spec_helper"
if Chef::Platform.windows?
require "chef/win32/file" #probably need this in spec_helper
end
describe Chef::Resource::Link, :not_supported_on_win2k3 do
let(:provider) do
node = Chef::Node.new
@events = Chef::EventDispatch::Dispatcher.new
run_context = Chef::RunContext.new(node, {}, @events)
Chef::Provider::Link.new(new_resource, run_context)
end
let(:new_resource) do
result = Chef::Resource::Link.new("#{CHEF_SPEC_DATA}/fofile-link")
result.to "#{CHEF_SPEC_DATA}/fofile"
result
end
def canonicalize(path)
Chef::Platform.windows? ? path.tr("/", '\\') : path
end
describe "when the target is a symlink" do
before(:each) do
lstat = double("stats", :ino => 5)
allow(lstat).to receive(:uid).and_return(501)
allow(lstat).to receive(:gid).and_return(501)
allow(lstat).to receive(:mode).and_return(0777)
allow(File).to receive(:lstat).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(lstat)
allow(provider.file_class).to receive(:symlink?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
allow(provider.file_class).to receive(:readlink).with("#{CHEF_SPEC_DATA}/fofile-link").and_return("#{CHEF_SPEC_DATA}/fofile")
end
describe "to a file that exists" do
before do
allow(File).to receive(:exist?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
new_resource.owner 501 # only loaded in current_resource if present in new
new_resource.group 501
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should set the link type" do
expect(provider.current_resource.link_type).to eq(:symbolic)
end
it "should update the source of the existing link with the links target" do
expect(provider.current_resource.to).to eq(canonicalize("#{CHEF_SPEC_DATA}/fofile"))
end
it "should set the owner" do
expect(provider.current_resource.owner).to eq(501)
end
it "should set the group" do
expect(provider.current_resource.group).to eq(501)
end
# We test create in unit tests because there is no other way to ensure
# it does no work. Other create and delete scenarios are covered in
# the functional tests for links.
context "when the desired state is identical" do
let(:new_resource) do
result = Chef::Resource::Link.new("#{CHEF_SPEC_DATA}/fofile-link")
result.to "#{CHEF_SPEC_DATA}/fofile"
result
end
it "create does no work" do
expect(provider.access_controls).not_to receive(:set_all)
provider.run_action(:create)
end
end
end
describe "to a file that doesn't exist" do
before do
allow(File).to receive(:exist?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
allow(provider.file_class).to receive(:symlink?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
allow(provider.file_class).to receive(:readlink).with("#{CHEF_SPEC_DATA}/fofile-link").and_return("#{CHEF_SPEC_DATA}/fofile")
new_resource.owner "501" # only loaded in current_resource if present in new
new_resource.group "501"
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should set the link type" do
expect(provider.current_resource.link_type).to eq(:symbolic)
end
it "should update the source of the existing link to the link's target" do
expect(provider.current_resource.to).to eq(canonicalize("#{CHEF_SPEC_DATA}/fofile"))
end
it "should not set the owner" do
expect(provider.current_resource.owner).to be_nil
end
it "should not set the group" do
expect(provider.current_resource.group).to be_nil
end
end
end
describe "when the target doesn't exist" do
before do
allow(File).to receive(:exists?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
allow(provider.file_class).to receive(:symlink?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should update the source of the existing link to nil" do
expect(provider.current_resource.to).to be_nil
end
it "should not set the owner" do
expect(provider.current_resource.owner).to eq(nil)
end
it "should not set the group" do
expect(provider.current_resource.group).to eq(nil)
end
end
describe "when the target is a regular old file" do
before do
stat = double("stats", :ino => 5)
allow(stat).to receive(:uid).and_return(501)
allow(stat).to receive(:gid).and_return(501)
allow(stat).to receive(:mode).and_return(0755)
allow(provider.file_class).to receive(:stat).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(stat)
allow(File).to receive(:exists?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
allow(provider.file_class).to receive(:symlink?).with("#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
end
describe "and the source does not exist" do
before do
allow(File).to receive(:exists?).with("#{CHEF_SPEC_DATA}/fofile").and_return(false)
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should update the current source of the existing link with an empty string" do
expect(provider.current_resource.to).to eq("")
end
it "should not set the owner" do
expect(provider.current_resource.owner).to eq(nil)
end
it "should not set the group" do
expect(provider.current_resource.group).to eq(nil)
end
end
describe "and the source exists" do
before do
stat = double("stats", :ino => 6)
allow(stat).to receive(:uid).and_return(502)
allow(stat).to receive(:gid).and_return(502)
allow(stat).to receive(:mode).and_return(0644)
allow(provider.file_class).to receive(:stat).with("#{CHEF_SPEC_DATA}/fofile").and_return(stat)
allow(File).to receive(:exists?).with("#{CHEF_SPEC_DATA}/fofile").and_return(true)
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should update the current source of the existing link with an empty string" do
expect(provider.current_resource.to).to eq("")
end
it "should not set the owner" do
expect(provider.current_resource.owner).to eq(nil)
end
it "should not set the group" do
expect(provider.current_resource.group).to eq(nil)
end
end
describe "and is hardlinked to the source" do
before do
stat = double("stats", :ino => 5)
allow(stat).to receive(:uid).and_return(502)
allow(stat).to receive(:gid).and_return(502)
allow(stat).to receive(:mode).and_return(0644)
allow(provider.file_class).to receive(:stat).with("#{CHEF_SPEC_DATA}/fofile").and_return(stat)
allow(File).to receive(:exists?).with("#{CHEF_SPEC_DATA}/fofile").and_return(true)
provider.load_current_resource
end
it "should set the symlink target" do
expect(provider.current_resource.target_file).to eq("#{CHEF_SPEC_DATA}/fofile-link")
end
it "should set the link type" do
expect(provider.current_resource.link_type).to eq(:hard)
end
it "should update the source of the existing link to the link's target" do
expect(provider.current_resource.to).to eq(canonicalize("#{CHEF_SPEC_DATA}/fofile"))
end
it "should not set the owner" do
expect(provider.current_resource.owner).to eq(nil)
end
it "should not set the group" do
expect(provider.current_resource.group).to eq(nil)
end
# We test create in unit tests because there is no other way to ensure
# it does no work. Other create and delete scenarios are covered in
# the functional tests for links.
context "when the desired state is identical" do
let(:new_resource) do
result = Chef::Resource::Link.new("#{CHEF_SPEC_DATA}/fofile-link")
result.to "#{CHEF_SPEC_DATA}/fofile"
result.link_type :hard
result
end
it "create does no work" do
expect(provider.file_class).not_to receive(:symlink)
expect(provider.file_class).not_to receive(:link)
expect(provider.access_controls).not_to receive(:set_all)
provider.run_action(:create)
end
end
end
end
describe "action_delete" do
before(:each) do
stat = double("stats", :ino => 5)
allow(stat).to receive(:uid).and_return(501)
allow(stat).to receive(:gid).and_return(501)
allow(stat).to receive(:mode).and_return(0755)
allow(provider.file_class).to receive(:stat).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(stat)
provider.load_current_resource
end
shared_context "delete link to directories on Windows" do
before do
allow(::File).to receive(:directory?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
end
it "invokes Dir.delete method to delete the link" do
expect(::Dir).to receive(:delete).with(provider.new_resource.target_file)
expect(Chef::Log).to receive(:info).with("#{provider.new_resource} deleted")
provider.run_action(:delete)
end
end
shared_context "delete link to directories on Linux" do
before do
allow(::File).to receive(:directory?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
end
it "invokes File.delete method to delete the link" do
expect(::File).to receive(:delete).with(provider.new_resource.target_file)
expect(Chef::Log).to receive(:info).with("#{provider.new_resource} deleted")
provider.run_action(:delete)
end
end
shared_context "delete link to files" do
before do
allow(::File).to receive(:directory?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
end
it "invokes File.delete method to delete the link" do
expect(::File).to receive(:delete).with(provider.new_resource.target_file)
expect(Chef::Log).to receive(:info).with("#{provider.new_resource} deleted")
provider.run_action(:delete)
end
end
shared_context "soft links prerequisites" do
before(:each) do
allow(provider.file_class).to receive(:symlink?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
allow(provider.file_class).to receive(:readlink).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return("#{CHEF_SPEC_DATA}/fofile")
end
end
shared_context "hard links prerequisites" do
let(:new_resource) do
result = Chef::Resource::Link.new("#{CHEF_SPEC_DATA}/fofile-link")
result.to "#{CHEF_SPEC_DATA}/fofile"
result.link_type :hard
result
end
before(:each) do
stat = double("stats", :ino => 5)
allow(stat).to receive(:uid).and_return(502)
allow(stat).to receive(:gid).and_return(502)
allow(stat).to receive(:mode).and_return(0644)
allow(provider.file_class).to receive(:symlink?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(false)
allow(File).to receive(:exists?).with(
"#{CHEF_SPEC_DATA}/fofile-link").and_return(true)
allow(File).to receive(:exists?).with(
"#{CHEF_SPEC_DATA}/fofile").and_return(true)
allow(provider.file_class).to receive(:stat).with(
"#{CHEF_SPEC_DATA}/fofile").and_return(stat)
end
end
context "on Windows platform" do
let(:resource_link) do
Chef::Resource::Link.new(provider.new_resource.name)
end
before(:each) do
allow(Chef::Resource::Link).to receive(:new).with(
provider.new_resource.name).and_return(resource_link)
allow(resource_link).to receive(:verify_links_supported!)
allow(Chef::Platform).to receive(:windows?).and_return(true)
end
context "soft links" do
include_context "soft links prerequisites"
context "to directories" do
include_context "delete link to directories on Windows"
end
context "to files" do
include_context "delete link to files"
end
end
context "hard links" do
include_context "hard links prerequisites"
context "to directories" do
include_context "delete link to directories on Windows"
end
context "to files" do
include_context "delete link to files"
end
end
end
context "on Linux platform" do
before(:each) do
allow(Chef::Platform).to receive(:windows?).and_return(false)
end
context "soft links" do
include_context "soft links prerequisites"
context "to directories" do
include_context "delete link to directories on Linux"
end
context "to files" do
include_context "delete link to files"
end
end
context "hard links" do
include_context "hard links prerequisites"
context "to directories" do
include_context "delete link to directories on Linux"
end
context "to files" do
include_context "delete link to files"
end
end
end
end
end