spec/config/configurable_spec.rb in deimos-ruby-1.4.0.pre.beta1 vs spec/config/configurable_spec.rb in deimos-ruby-1.4.0.pre.beta2

@@ -27,9 +27,25 @@
     expect(MyConfig.config.listy_objects).to be_empty
     expect { MyConfig.config.blah }.to raise_error(NameError)
     expect { MyConfig.config.group.set4 }.to raise_error(NameError)
   end
 
+  it 'should not call the proc until it has to' do
+    num_calls = 0
+    value_proc = proc do
+      num_calls += 1
+      num_calls
+    end
+    MyConfig.configure do
+      setting :set_with_proc, default_proc: value_proc
+    end
+    expect(num_calls).to eq(0)
+    expect(MyConfig.config.set_with_proc).to eq(1)
+    # calling twice should not call the proc again
+    expect(MyConfig.config.set_with_proc).to eq(1)
+    expect(num_calls).to eq(1)
+  end
+
   it "should raise error when setting configs that don't exist" do
     expect { MyConfig.configure { set15 'some_value' } }.to raise_error(NameError)
   end
 
   it 'should add values' do