add demo to ci build

.circleci/config.yml

@@ -24,5 +24,5 @@ jobs:
           paths:
             - ".stack-work"
       - store_artifacts: # upload build artifact for display in CircleCI
-          path: ~/.local/bin/circleci-demo-haskell-exe
-          destination: circleci-demo-haskell-exe
+          path: ~/.local/bin/LtuPatternFactory
+          destination: LtuPatternFactory

LtuPatternFactory.cabal

@@ -39,4 +39,35 @@ executable LtuPatternFactory
                      , text
                      , directory
                      , bytestring
-                     , tagged
+                     , tagged
+
+test-suite LtuPatternFactory-Demo
+    type:             exitcode-stdio-1.0
+    other-modules:    AbstractFactory
+                    , Adapter
+                    , Builder
+                    , Composite
+                    , Iterator
+                    , JsonPersistence
+                    , NullObject
+                    , Pipeline
+                    , Singleton
+                    , Strategy
+                    , TemplateMethod
+                    , Visitor
+                    , Coerce
+                    , IdiomBrackets
+
+    hs-source-dirs: src
+    main-is:        Main.hs
+    build-depends:  base >= 4.7 && < 5
+                  , containers
+                  , mtl
+                  , aeson
+                  , aeson-pretty
+                  , text
+                  , directory
+                  , bytestring
+                  , tagged
+                    -- , Cabal, HUnit, test-framework, test-framework-hunit
+    default-language:     Haskell2010