spec/musterb/evaluator_spec.rb in musterb-0.0.1 vs spec/musterb/evaluator_spec.rb in musterb-0.0.2

@@ -3,9 +3,24 @@
     foo = "bar"
     evaluator = Musterb::Evaluator.new Musterb::BindingExtractor.new(binding)
     evaluator["foo"].should eq "bar"
   end
 
+  it "pulls out values from ." do
+    evaluator = Musterb::Evaluator.new Musterb::ObjectExtractor.new(2, nil)
+    evaluator["."].should eq 2
+  end
+
+  it "can do nested values" do
+    evaluator = Musterb::Evaluator.new Musterb::ObjectExtractor.new(2, nil)
+    evaluator["next.to_s"].should eq "3"
+  end
+
+  it "does not barf when pulling out a value on nil" do
+    evaluator = Musterb::Evaluator.new Musterb::HashExtractor.new({:foo => nil}, nil)
+    evaluator["foo.bar"].should eq nil
+  end
+
   context "block" do
     it "yields to the block if a value is set" do    
       foo = "bar"
       evaluator = Musterb::Evaluator.new Musterb::BindingExtractor.new(binding)
       expect { |b| evaluator.block("foo", &b) }.to yield_control
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