Add with method to generic matcher

This commit adds a method 'with' that can be used
to test mulitple parameters/values with a single
method call

Example:

  it do should contain_service('keystone').with(
    'ensure'     => 'running',
    'enable'     => 'true',
    'hasstatus'  => 'true',
    'hasrestart' => 'true'
  ) end

It was created as a more condensed alternative to
chaining methods per parameter to validate.

README.md

@@ -88,6 +88,17 @@ the generic `with_<parameter>` chains.
 it { should contain_package('mysql-server').with_ensure('present') }
 ```
 
+You can use the `with` method to verify the value of multiple parameters.
+
+```ruby
+it do should contain_service('keystone').with(
+  'ensure'     => 'running',
+  'enable'     => 'true',
+  'hasstatus'  => 'true',
+  'hasrestart' => 'true'
+) end
+```
+
 You can also test that specific parameters have been left undefined with the
 generic `without_<parameter>` chains.
 

lib/rspec-puppet/matchers/create_generic.rb

@@ -9,6 +9,11 @@ module RSpec::Puppet
         @title = args[0]
       end
 
+      def with(*args, &block)
+        params = args.shift
+        @expected_params = (@expected_params || []) | params.to_a
+        self
+      end
       def method_missing(method, *args, &block)
         if method.to_s =~ /^with_/
           param = method.to_s.gsub(/^with_/, '')

spec/classes/sysctl_common_spec.rb

@@ -4,6 +4,19 @@ describe 'sysctl::common' do
   it { should contain_exec('sysctl/reload') \
     .with_command('/sbin/sysctl -p /etc/sysctl.conf').with_returns([0, 2]) }
   it { should_not create_augeas('foo') }
+  describe 'when using with to specify a hash of parameters' do
+    it 'should fail if the parameter is not contained in the resource' do
+      expect do
+        subject.should contain_exec('sysctl/reload').with('foo' => 'bar')
+      end.should raise_error(RSpec::Expectations::ExpectationNotMetError)
+    end
+    it 'should pass if the parameters are contained in the resource' do
+      subject.should contain_exec('sysctl/reload').with(
+        'refreshonly' => 'true',
+        'returns' => [0, 2]
+      )
+    end
+  end
 end
 
 describe 'sysctl::common' do