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require 'spec_helper'
require 'puppet_spec/files'
require 'puppet_spec/compiler'
require 'deep_merge/core'
describe 'lookup' do
include PuppetSpec::Files
context 'with an environment' do
let(:env_name) { 'spec' }
let(:env_dir) { tmpdir('environments') }
let(:environment_files) do
{
env_name => {
'modules' => {},
'hiera.yaml' => <<-YAML.unindent,
---
version: 5
hierarchy:
- name: "Common"
data_hash: yaml_data
path: "common.yaml"
YAML
'data' => {
'common.yaml' => <<-YAML.unindent
---
a: value a
mod_a::a: value mod_a::a (from environment)
mod_a::hash_a:
a: value mod_a::hash_a.a (from environment)
mod_a::hash_b:
a: value mod_a::hash_b.a (from environment)
lookup_options:
mod_a::hash_b:
merge: hash
YAML
}
},
'someother' => {
}
}
end
let(:app) { Puppet::Application[:lookup] }
let(:env) { Puppet::Node::Environment.create(env_name.to_sym, [File.join(populated_env_dir, env_name, 'modules')]) }
let(:environments) { Puppet::Environments::Directories.new(populated_env_dir, []) }
let(:populated_env_dir) do
dir_contained_in(env_dir, environment_files)
env_dir
end
def lookup(key, options = {}, explain = false)
key = [key] unless key.is_a?(Array)
allow(app.command_line).to receive(:args).and_return(key)
if explain
app.options[:explain] = true
app.options[:render_as] = :s
else
app.options[:render_as] = :json
end
options.each_pair { |k, v| app.options[k] = v }
capture = StringIO.new
saved_stdout = $stdout
begin
$stdout = capture
expect { app.run_command }.to exit_with(0)
ensure
$stdout = saved_stdout
end
out = capture.string.strip
if explain
out
else
out.empty? ? nil : JSON.parse("[#{out}]")[0]
end
end
def explain(key, options = {})
lookup(key, options, true)
end
around(:each) do |example|
Puppet.override(:environments => environments, :current_environment => env) do
example.run
end
end
it 'finds data in the environment' do
expect(lookup('a')).to eql('value a')
end
context 'uses node_terminus' do
require 'puppet/indirector/node/exec'
require 'puppet/indirector/node/plain'
let(:node) { Puppet::Node.new('testnode', :environment => env) }
it ':plain without --compile' do
Puppet.settings[:node_terminus] = 'exec'
expect_any_instance_of(Puppet::Node::Plain).to receive(:find).and_return(node)
expect_any_instance_of(Puppet::Node::Exec).not_to receive(:find)
expect(lookup('a')).to eql('value a')
end
it 'configured in Puppet settings with --compile' do
Puppet.settings[:node_terminus] = 'exec'
expect_any_instance_of(Puppet::Node::Plain).not_to receive(:find)
expect_any_instance_of(Puppet::Node::Exec).to receive(:find).and_return(node)
expect(lookup('a', :compile => true)).to eql('value a')
end
end
context 'configured with the wrong environment' do
let(:env) { Puppet::Node::Environment.create(env_name.to_sym, [File.join(populated_env_dir, env_name, 'modules')]) }
it 'does not find data in non-existing environment' do
Puppet.override(:environments => environments, :current_environment => 'someother') do
expect(lookup('a', {}, true)).to match(/did not find a value for the name 'a'/)
end
end
end
context 'and a module' do
let(:mod_a_files) do
{
'mod_a' => {
'data' => {
'common.yaml' => <<-YAML.unindent
---
mod_a::a: value mod_a::a (from mod_a)
mod_a::b: value mod_a::b (from mod_a)
mod_a::hash_a:
a: value mod_a::hash_a.a (from mod_a)
b: value mod_a::hash_a.b (from mod_a)
mod_a::hash_b:
a: value mod_a::hash_b.a (from mod_a)
b: value mod_a::hash_b.b (from mod_a)
mod_a::interpolated: "-- %{lookup('mod_a::a')} --"
mod_a::a_a: "-- %{lookup('mod_a::hash_a.a')} --"
mod_a::a_b: "-- %{lookup('mod_a::hash_a.b')} --"
mod_a::b_a: "-- %{lookup('mod_a::hash_b.a')} --"
mod_a::b_b: "-- %{lookup('mod_a::hash_b.b')} --"
'mod_a::a.quoted.key': 'value mod_a::a.quoted.key (from mod_a)'
YAML
},
'hiera.yaml' => <<-YAML.unindent,
---
version: 5
hierarchy:
- name: "Common"
data_hash: yaml_data
path: "common.yaml"
YAML
}
}
end
let(:populated_env_dir) do
dir_contained_in(env_dir, DeepMerge.deep_merge!(environment_files, env_name => { 'modules' => mod_a_files }))
env_dir
end
it 'finds data in the module' do
expect(lookup('mod_a::b')).to eql('value mod_a::b (from mod_a)')
end
it 'finds quoted keys in the module' do
expect(lookup('"mod_a::a.quoted.key"')).to eql('value mod_a::a.quoted.key (from mod_a)')
end
it 'merges hashes from environment and module when merge strategy hash is used' do
expect(lookup('mod_a::hash_a', :merge => 'hash')).to eql({'a' => 'value mod_a::hash_a.a (from environment)', 'b' => 'value mod_a::hash_a.b (from mod_a)'})
end
end
end
end
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