BAEL-3416 - Mockito and Fluent APIs (#8201)

* BAEL-3416 - Mockito and Fluent APIs
- stage changes

* staging changes

* BAEL-3416 - Mockito and Fluent APIs

testing-modules/mockito-2/src/main/java/com/baeldung/mockito/fluentapi/Pizza.java

@@ -0,0 +1,102 @@
+package com.baeldung.mockito.fluentapi;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Pizza {
+
+    public enum PizzaSize {
+        LARGE, MEDIUM, SMALL;
+    }
+
+    private String name;
+    private PizzaSize size;
+    private List<String> toppings;
+    private boolean stuffedCrust;
+    private boolean collect;
+    private Integer discount;
+
+    private Pizza(PizzaBuilder builder) {
+        this.name = builder.name;
+        this.size = builder.size;
+        this.toppings = builder.toppings;
+        this.stuffedCrust = builder.stuffedCrust;
+        this.collect = builder.collect;
+        this.discount = builder.discount;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public PizzaSize getSize() {
+        return size;
+    }
+
+    public List<String> getToppings() {
+        return toppings;
+    }
+
+    public boolean isStuffedCrust() {
+        return stuffedCrust;
+    }
+
+    public boolean isCollecting() {
+        return collect;
+    }
+
+    public Integer getDiscount() {
+        return discount;
+    }
+
+    public static class PizzaBuilder {
+        private String name;
+        private PizzaSize size;
+
+        private List<String> toppings;
+        private boolean stuffedCrust;
+        private boolean collect;
+        private Integer discount = null;
+
+        public PizzaBuilder() {
+        }
+
+        public PizzaBuilder name(String name) {
+            this.name = name;
+            return this;
+        }
+
+        public PizzaBuilder size(PizzaSize size) {
+            this.size = size;
+            return this;
+        }
+
+        public PizzaBuilder withExtraTopping(String extraTopping) {
+            if (this.toppings == null) {
+                toppings = new ArrayList<>();
+            }
+            this.toppings.add(extraTopping);
+            return this;
+        }
+
+        public PizzaBuilder withStuffedCrust(boolean stuffedCrust) {
+            this.stuffedCrust = stuffedCrust;
+            return this;
+        }
+
+        public PizzaBuilder willCollect(boolean collect) {
+            this.collect = collect;
+            return this;
+        }
+
+        public PizzaBuilder applyDiscount(Integer discount) {
+            this.discount = discount;
+            return this;
+        }
+
+        public Pizza build() {
+            return new Pizza(this);
+        }
+    }
+
+}

testing-modules/mockito-2/src/main/java/com/baeldung/mockito/fluentapi/PizzaService.java

@@ -0,0 +1,23 @@
+package com.baeldung.mockito.fluentapi;
+
+import com.baeldung.mockito.fluentapi.Pizza.PizzaSize;
+
+public class PizzaService {
+
+    private Pizza.PizzaBuilder builder;
+
+    public PizzaService(Pizza.PizzaBuilder builder) {
+        this.builder = builder;
+    }
+
+    public Pizza orderHouseSpecial() {
+        return builder.name("Special")
+            .size(PizzaSize.LARGE)
+            .withExtraTopping("Mushrooms")
+            .withStuffedCrust(true)
+            .withExtraTopping("Chilli")
+            .willCollect(true)
+            .applyDiscount(20)
+            .build();
+    }
+}