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HACKING.md

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Developing/Contributing

Testing

This module has behavior tests written using RSpec 2, is syntax checked with puppet-syntax, and style checked with puppet-lint. The goal of these tests are to validate the expected behavior of the module. As more features and platform support are added to this module the tests provide an automated way to validate the expectations previous contributors have specified.

In order to validate behavior setup fixtures with rake spec_prep and then execute code with rake spec_standalone.

% rake spec_standalone
(in /Users/jeff/vms/puppet/modules/jenkins)
.
Finished in 0.31279 seconds
1 example, 0 failures

Lint, spec, and syntax checks can be run by using the default rake task by simply running 'rake'.

Lint checking

The lint checks require the puppet-lint gem to be installed. Running 'rake lint' will lint check all of the *.pp files to ensure they conform to the puppet style guide.

RSpec Testing Requirements

The spec tests require the rspec-puppet gem to be installed. Running 'rake spec' will automatically check out all of the modules in the .fixtures.yml needed to run the tests.

Syntax checking

The syntax checks require the puppet-syntax gem to be installed. Running 'rake syntax' will sytanx check the manifests and templates.

Installing Testing Requirements

To install the testing requirements:

% gem install rspec-puppet puppet-lint puppet-syntax --no-ri --no-rdoc
Successfully installed rspec-core-2.14.5
Successfully installed diff-lcs-1.2.4
Successfully installed rspec-expectations-2.14.3
Successfully installed rspec-mocks-2.14.3
Successfully installed rspec-2.14.1
Successfully installed rspec-puppet-0.1.6
Successfully installed puppet-lint-0.3.2
Successfully installed rake-10.1.0
Successfully installed puppet-syntax-1.1.0
10 gems installed

Adding Tests

Please see the rspec-puppet project for information on writing tests. A basic test that validates the class is declared in the catalog is provided in the file spec/classes/jenkins_spec.rb. rspec-puppet automatically uses the top level description as the name of a module to include in the catalog. Resources may be validated in the catalog using:

  • contain_class('myclass')
  • contain_service('sshd')
  • contain_file('/etc/puppet')
  • contain_package('puppet')
  • And so forth for other Puppet resources.

Acceptance testings

Acceptance tests are setup using Beaker, which will spin up an instance (by default Vagrant, but also supports various VPC's), apply the puppet code against this spun up node and then uses Serverspec tests to validate behaviour.

To run the tests:

  • bundle exec rspec spec/acceptance/