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#
# Author:: Jay Mundrawala <jmundrawala@chef.io>
# Copyright:: Copyright 2014-2016, 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 "chef"
require "chef/util/dsc/configuration_generator"
describe Chef::Util::DSC::ConfigurationGenerator do
let(:conf_man) do
node = Chef::Node.new
Chef::Util::DSC::ConfigurationGenerator.new(node, "tmp")
end
describe '#validate_configuration_name!' do
it "should not raise an error if a name contains all upper case letters" do
conf_man.send(:validate_configuration_name!, "HELLO")
end
it "should not raise an error if the name contains all lower case letters" do
conf_man.send(:validate_configuration_name!, "hello")
end
it "should not raise an error if no special characters are used except _" do
conf_man.send(:validate_configuration_name!, "hello_world")
end
%w{! @ # $ % ^ & * & * ( ) - = + \{ \} . ? < > \\ /}.each do |sym|
it "raises an Argument error if it configuration name contains #{sym}" do
expect {
conf_man.send(:validate_configuration_name!, "Hello#{sym}")
}.to raise_error(ArgumentError)
end
end
end
describe "#get_merged_configuration_flags" do
context "when strings are used as switches" do
it "should merge the hash if there are no restricted switches" do
merged = conf_man.send(:get_merged_configuration_flags!, { "flag" => "a" }, "hello")
expect(merged).to include(:flag)
expect(merged[:flag]).to eql("a")
expect(merged).to include(:outputpath)
end
it "should raise an ArgumentError if you try to override outputpath" do
expect {
conf_man.send(:get_merged_configuration_flags!, { "outputpath" => "a" }, "hello")
}.to raise_error(ArgumentError)
end
it "should be case insensitive for switches that are not allowed" do
expect {
conf_man.send(:get_merged_configuration_flags!, { "OutputPath" => "a" }, "hello")
}.to raise_error(ArgumentError)
end
it "should be case insensitive to switches that are allowed" do
merged = conf_man.send(:get_merged_configuration_flags!, { "FLAG" => "a" }, "hello")
expect(merged).to include(:flag)
end
end
context "when symbols are used as switches" do
it "should merge the hash if there are no restricted switches" do
merged = conf_man.send(:get_merged_configuration_flags!, { :flag => "a" }, "hello")
expect(merged).to include(:flag)
expect(merged[:flag]).to eql("a")
expect(merged).to include(:outputpath)
end
it "should raise an ArgumentError if you try to override outputpath" do
expect {
conf_man.send(:get_merged_configuration_flags!, { :outputpath => "a" }, "hello")
}.to raise_error(ArgumentError)
end
it "should be case insensitive for switches that are not allowed" do
expect {
conf_man.send(:get_merged_configuration_flags!, { :OutputPath => "a" }, "hello")
}.to raise_error(ArgumentError)
end
it "should be case insensitive to switches that are allowed" do
merged = conf_man.send(:get_merged_configuration_flags!, { :FLAG => "a" }, "hello")
expect(merged).to include(:flag)
end
end
context "when there are no flags" do
it "should supply an output path if configuration_flags is an empty hash" do
merged = conf_man.send(:get_merged_configuration_flags!, {}, "hello")
expect(merged).to include(:outputpath)
expect(merged.length).to eql(1)
end
it "should supply an output path if configuration_flags is an empty hash" do
merged = conf_man.send(:get_merged_configuration_flags!, nil, "hello")
expect(merged).to include(:outputpath)
expect(merged.length).to eql(1)
end
end
# What should happen if configuration flags contains duplicates?
# flagA => 'a', flaga => 'a'
# or
# flagA => 'a', flaga => 'b'
#
end
describe '#write_document_generation_script' do
let(:file_like_object) { double("file like object") }
it "should write the input to a file" do
allow(File).to receive(:open).and_yield(file_like_object)
allow(File).to receive(:join) do |a, b|
[a, b].join("++")
end
allow(file_like_object).to receive(:write)
conf_man.send(:write_document_generation_script, "file", "hello", {})
expect(file_like_object).to have_received(:write)
end
end
describe "#find_configuration_document" do
it "should find the mof file" do
# These tests seem way too implementation specific. Unfortunately, File and Dir
# need to be mocked because they are OS specific
allow(File).to receive(:join) do |a, b|
[a, b].join("++")
end
allow(Dir).to receive(:entries).with("tmp++hello") { ["f1", "f2", "hello.mof", "f3"] }
expect(conf_man.send(:find_configuration_document, "hello")).to eql("tmp++hello++hello.mof")
end
it "should return nil if the mof file is not found" do
allow(File).to receive(:join) do |a, b|
[a, b].join("++")
end
allow(Dir).to receive(:entries).with("tmp++hello") { %w(f1 f2 f3) }
expect(conf_man.send(:find_configuration_document, "hello")).to be_nil
end
end
describe "#configuration_code" do
it "should build dsc" do
dsc = conf_man.send(:configuration_code, "archive{}", "hello", {})
found_configuration = false
dsc.split(";").each do |command|
if command.downcase =~ /\s*configuration\s+'hello'\s*\{\s*node\s+'localhost'\s*\{\s*archive\s*\{\s*\}\s*\}\s*\}\s*/
found_configuration = true
end
end
expect(found_configuration).to be_truthy
end
context "with imports" do
it "should import all resources when a module has an empty list" do
dsc = conf_man.send(:configuration_code, "archive{}", "hello", { "FooModule" => [] })
expect(dsc).to match(/Import-DscResource -ModuleName FooModule\s*\n/)
end
it "should import all resources when a module has a list with *" do
dsc = conf_man.send(:configuration_code, "archive{}", "hello", { "FooModule" => ["FooResource", "*", "BarResource"] })
expect(dsc).to match(/Import-DscResource -ModuleName FooModule\s*\n/)
end
it "should import specific resources when a module has list without * that is not empty" do
dsc = conf_man.send(:configuration_code, "archive{}", "hello", { "FooModule" => %w(FooResource BarResource) })
expect(dsc).to match(/Import-DscResource -ModuleName FooModule -Name FooResource,BarResource/)
end
it "should import multiple modules with multiple import statements" do
dsc = conf_man.send(:configuration_code, "archive{}", "hello", { "FooModule" => %w(FooResource BarResource), "BazModule" => [] })
expect(dsc).to match(/Import-DscResource -ModuleName FooModule -Name FooResource,BarResource/)
expect(dsc).to match(/Import-DscResource -ModuleName BazModule\s*\n/)
end
end
end
end
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