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#
# Author:: Seth Chisamore (<schisamo@chef.io>)
# Copyright:: Copyright 2011-2016, 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"
describe Chef::Resource::Template do
def binread(file)
File.open(file, "rb") { |f| f.read }
end
include_context Chef::Resource::File
let(:file_base) { "template_spec" }
let(:expected_content) { "slappiness is a warm gun" }
let(:node) do
node = Chef::Node.new
node.normal[:slappiness] = "a warm gun"
node
end
def create_resource
cookbook_repo = File.expand_path(File.join(CHEF_SPEC_DATA, "cookbooks"))
Chef::Cookbook::FileVendor.fetch_from_disk(cookbook_repo)
cl = Chef::CookbookLoader.new(cookbook_repo)
cl.load_cookbooks
cookbook_collection = Chef::CookbookCollection.new(cl)
events = Chef::EventDispatch::Dispatcher.new
run_context = Chef::RunContext.new(node, cookbook_collection, events)
resource = Chef::Resource::Template.new(path, run_context)
resource.source("openldap_stuff.conf.erb")
resource.cookbook("openldap")
# NOTE: partials rely on `cookbook_name` getting set by chef internals and
# ignore the user-set `cookbook` attribute.
resource.cookbook_name = "openldap"
resource
end
let(:resource) do
create_resource
end
let(:default_mode) { (0666 & ~File.umask).to_s(8) }
it_behaves_like "a file resource"
it_behaves_like "a securable resource with reporting"
context "when the target file does not exist" do
it "creates the template with the rendered content using the variable attribute when the :create action is run" do
resource.source("openldap_variable_stuff.conf.erb")
resource.variables(:secret => "nutella")
resource.run_action(:create)
expect(IO.read(path)).to eq("super secret is nutella")
end
it "creates the template with the rendered content using a local erb file when the :create action is run" do
resource.source(File.expand_path(File.join(CHEF_SPEC_DATA, "cookbooks", "openldap", "templates", "default", "openldap_stuff.conf.erb")))
resource.cookbook(nil)
resource.local(true)
resource.run_action(:create)
expect(IO.read(path)).to eq(expected_content)
end
end
describe "when the template resource defines helper methods" do
include_context "diff disabled"
let(:resource) do
r = create_resource
r.source "helper_test.erb"
r
end
let(:expected_content) { "value from helper method" }
shared_examples "a template with helpers" do
it "generates expected content by calling helper methods" do
resource.run_action(:create)
expect(binread(path).strip).to eq(expected_content)
end
end
context "using single helper syntax" do
before do
resource.helper(:helper_method) { "value from helper method" }
end
it_behaves_like "a template with helpers"
end
context "using single helper syntax referencing @node" do
before do
node.set[:helper_test_attr] = "value from helper method"
resource.helper(:helper_method) { "#{@node[:helper_test_attr]}" }
end
it_behaves_like "a template with helpers"
end
context "using an inline block to define helpers" do
before do
resource.helpers do
def helper_method
"value from helper method"
end
end
end
it_behaves_like "a template with helpers"
end
context "using an inline block referencing @node" do
before do
node.set[:helper_test_attr] = "value from helper method"
resource.helpers do
def helper_method
@node[:helper_test_attr]
end
end
end
it_behaves_like "a template with helpers"
end
context "using a module from a library" do
module ExampleModule
def helper_method
"value from helper method"
end
end
before do
resource.helpers(ExampleModule)
end
it_behaves_like "a template with helpers"
end
context "using a module from a library referencing @node" do
module ExampleModuleReferencingATNode
def helper_method
@node[:helper_test_attr]
end
end
before do
node.set[:helper_test_attr] = "value from helper method"
resource.helpers(ExampleModuleReferencingATNode)
end
it_behaves_like "a template with helpers"
end
context "using helpers with partial templates" do
before do
resource.source("helpers_via_partial_test.erb")
resource.helper(:helper_method) { "value from helper method" }
end
it_behaves_like "a template with helpers"
end
end
describe "when template source contains windows style line endings" do
include_context "diff disabled"
%w(all some no).each do |test_case|
context "for #{test_case} lines" do
let(:resource) do
r = create_resource
r.source "#{test_case}_windows_line_endings.erb"
r
end
it "output should contain platform's line endings" do
resource.run_action(:create)
binread(path).each_line do |line|
expect(line).to end_with(Chef::Platform.windows? ? "\r\n" : "\n")
end
end
end
end
end
end
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