Module: AugeasSpec::Fixtures

Defined in:
vendor_modules/augeasproviders_core/spec/lib/augeas_spec/fixtures.rb

Instance Method Summary collapse

Instance Method Details

#apply(*resources) ⇒ Object

Runs a particular resource via a catalog



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# File 'vendor_modules/augeasproviders_core/spec/lib/augeas_spec/fixtures.rb', line 18

def apply(*resources)
  catalog = Puppet::Resource::Catalog.new
  catalog.host_config = false
  resources.each do |resource|
    catalog.add_resource resource
  end
  catalog.apply
end

#apply!(*resources) ⇒ Object

Runs a resource and checks for warnings and errors



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# File 'vendor_modules/augeasproviders_core/spec/lib/augeas_spec/fixtures.rb', line 28

def apply!(*resources)
  txn = apply(*resources)

  # Check for warning+ log messages
  loglevels = Puppet::Util::Log.levels[3, 999]
  firstlogs = @logs.dup
  expect(@logs.select { |log| loglevels.include?(log.level) && log.message !~ %r{'modulepath' as a setting} }).to eq([])

  # Check for transaction success after, as it's less informative
  expect(txn.any_failed?).to be_nil

  # Run the exact same resources, but this time ensure there were absolutely
  # no changes (as seen by logs) to indicate if it was idempotent or not
  @logs.clear
  txn_idempotent = apply(*resources)
  loglevels = Puppet::Util::Log.levels[2, 999]
  againlogs = @logs.select { |log| loglevels.include? log.level }

  expect(againlogs).to eq([]), 'expected no change on second run (idempotence check)'
  expect(txn_idempotent.any_failed?).to be_nil, 'expected no change on second run (idempotence check), got a resource failure'

  @logs = firstlogs
  txn
end

#aug_fixture(name) ⇒ Object

Creates a temp file from a given fixture name Doesn't explicitly clean up the temp file as we can't evaluate a block with “let” or pass the path back via an “around” hook.



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# File 'vendor_modules/augeasproviders_core/spec/lib/augeas_spec/fixtures.rb', line 10

def aug_fixture(name)
  tmp = Tempfile.new('target')
  tmp.write(File.read(my_fixture(name)))
  tmp.close
  tmp
end

#aug_open(file, lens) ⇒ Object

Open Augeas on a given file. Used for testing the results of running Puppet providers.



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# File 'vendor_modules/augeasproviders_core/spec/lib/augeas_spec/fixtures.rb', line 55

def aug_open(file, lens)
  aug = Augeas.open(nil, nil, Augeas::NO_MODL_AUTOLOAD)
  begin
    aug.transform(
      lens: lens,
      name: lens.split('.')[0],
      incl: file,
      excl: []
    )
    aug.set('/augeas/context', "/files#{file}")
    aug.load!
    raise AugeasSpec::Error, "Augeas didn't load #{file}" if aug.match('.').empty?

    yield aug
  rescue Augeas::Error
    errors = []
    aug.match('/augeas//error').each do |errnode|
      aug.match("#{errnode}/*").each do |subnode|
        subvalue = aug.get(subnode)
        errors << "#{subnode} = #{subvalue}"
      end
    end
    raise AugeasSpec::Error, errors.join("\n")
  ensure
    aug.close
  end
end