fix node#debug_value access through arrayslcg/debub-value-arrays

nod to @jaymzh for finding this one.

Signed-off-by: Lamont Granquist <lamont@scriptkiddie.org>

2 files changed, 24 insertions, 11 deletions

diff --git a/lib/chef/node/attribute.rb b/lib/chef/node/attribute.rb
index 761694e010..57d1b0a4d3 100644
--- a/lib/chef/node/attribute.rb
+++ b/lib/chef/node/attribute.rb
@@ -216,16 +216,12 @@ class Chef
        # that precedence level, +value+ will be the symbol +:not_present+.
       def debug_value(*args)
         COMPONENTS.map do |component|
-          ivar = instance_variable_get(component)
-          value = args.inject(ivar) do |so_far, key|
-            if so_far == :not_present
-              :not_present
-            elsif so_far.has_key?(key)
-              so_far[key]
-            else
+          value =
+            begin
+              instance_variable_get(component).read!(*args)
+            rescue
               :not_present
             end
-          end
           [component.to_s.sub(/^@/, ""), value]
         end
       end
diff --git a/spec/unit/node/attribute_spec.rb b/spec/unit/node/attribute_spec.rb
index 3dd0d0f650..cf8d4d4a4f 100644
--- a/spec/unit/node/attribute_spec.rb
+++ b/spec/unit/node/attribute_spec.rb
@@ -208,7 +208,7 @@ describe Chef::Node::Attribute do
   end
 
   describe "when debugging attributes" do
-    before do
+    it "gives the value at each level of precedence for a path spec" do
       @attributes.default[:foo][:bar] = "default"
       @attributes.env_default[:foo][:bar] = "env_default"
       @attributes.role_default[:foo][:bar] = "role_default"
@@ -219,9 +219,7 @@ describe Chef::Node::Attribute do
       @attributes.env_override[:foo][:bar] = "env_override"
       @attributes.force_override[:foo][:bar] = "force_override"
       @attributes.automatic[:foo][:bar] = "automatic"
-    end
 
-    it "gives the value at each level of precedence for a path spec" do
       expected = [
         %w{default default},
         %w{env_default env_default},
@@ -236,6 +234,25 @@ describe Chef::Node::Attribute do
       ]
       expect(@attributes.debug_value(:foo, :bar)).to eq(expected)
     end
+
+    it "works through arrays" do
+      @attributes.default["foo"] = [ { "bar" => "baz" } ]
+
+      expect(@attributes.debug_value(:foo, 0)).to eq(
+        [
+          ["default", { "bar" => "baz" }],
+          ["env_default", :not_present],
+          ["role_default", :not_present],
+          ["force_default", :not_present],
+          ["normal", :not_present],
+          ["override", :not_present],
+          ["role_override", :not_present],
+          ["env_override", :not_present],
+          ["force_override", :not_present],
+          ["automatic", :not_present],
+        ]
+      )
+    end
   end
 
   describe "when fetching values based on precedence" do