Adding an array indexer method to Puppet::Util::Metric as requested in #1633.

Signed-off-by: Luke Kanies <luke@madstop.com>

2 files changed, 18 insertions, 0 deletions

diff --git a/lib/puppet/util/metric.rb b/lib/puppet/util/metric.rb
index 722277e33..e6d7678aa 100644
--- a/lib/puppet/util/metric.rb
+++ b/lib/puppet/util/metric.rb
@@ -14,6 +14,15 @@ class Puppet::Util::Metric
 
     attr_writer :basedir
 
+    # Return a specific value
+    def [](name)
+        if value = @values.find { |v| v[0] == name }
+            return value[2]
+        else
+            return nil
+        end
+    end
+
     def basedir
         if defined? @basedir
             @basedir
diff --git a/spec/unit/util/metric.rb b/spec/unit/util/metric.rb
index 7aa04486c..3501aac90 100755
--- a/spec/unit/util/metric.rb
+++ b/spec/unit/util/metric.rb
@@ -75,6 +75,15 @@ describe Puppet::Util::Metric do
         @metric.values.should == [[:bar, "a", 10], [:foo, "b", 10]]
     end
 
+    it "should use an array indexer method to retrieve individual values" do
+        @metric.newvalue(:foo, 10)
+        @metric[:foo].should == 10
+    end
+
+    it "should return nil if the named value cannot be found" do
+        @metric[:foo].should be_nil
+    end
+
     # LAK: I'm not taking the time to develop these tests right now.
     # I expect they should actually be extracted into a separate class
     # anyway.