BAEL-6228 Updated test names (#13571)

patterns-modules/design-patterns-structural/src/main/java/com/baeldung/pipeline/functional/BiFunctionExample.java

@@ -1,17 +0,0 @@
-package com.baeldung.pipeline.functional;
-
-import java.util.function.BiFunction;
-import java.util.function.Function;
-
-public class BiFunctionExample {
-
-    public static void main(String[] args) {
-        BiFunction<Integer, Integer, Integer> add = Integer::sum;
-        BiFunction<Integer, Integer, Integer> mul = (a, b) -> a * b;
-        Function<Integer, String> toString = Object::toString;
-        BiFunction<Integer, Integer, String> pipeline
-            = add.andThen(a -> mul.apply(a, 2)).andThen(toString);
-        String result = pipeline.apply(1, 2);
-        System.out.println(result);
-    }
-}

patterns-modules/design-patterns-structural/src/main/java/com/baeldung/pipeline/functional/FunctionExample.java

@@ -1,17 +0,0 @@
-package com.baeldung.pipeline.functional;
-
-import java.util.function.Function;
-
-public class FunctionExample {
-
-    public static void main(String[] args) {
-        Function<Integer, Integer> square = s -> s * s;
-        Function<Integer, Integer> half = s -> s / 2;
-        Function<Integer, String> toString = Object::toString;
-        Function<Integer, String> pipeline = square.andThen(half)
-                                                    .andThen(toString);
-        String result = pipeline.apply(5);
-        System.out.println(result);
-    }
-
-}

patterns-modules/design-patterns-structural/src/test/java/com/baeldung/pipeline/BiFunctionPipelineUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.pipeline;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import org.junit.jupiter.api.Test;
+
+class BiFunctionPipelineUnitTest {
+
+    @Test
+    void whenCombiningFunctionAndBiFunctions_andInitializingPipeline_thenResultIsCorrect() {
+        BiFunction<Integer, Integer, Integer> add = Integer::sum;
+        BiFunction<Integer, Integer, Integer> mul = (a, b) -> a * b;
+        Function<Integer, String> toString = Object::toString;
+        BiFunction<Integer, Integer, String> pipeline = add.andThen(a -> mul.apply(a, 2))
+            .andThen(toString);
+        String result = pipeline.apply(1, 2);
+        String expected = "6";
+        assertEquals(expected, result);
+    }
+}

patterns-modules/design-patterns-structural/src/test/java/com/baeldung/pipeline/FunctionPipelineUnitTest.java

@@ -0,0 +1,21 @@
+package com.baeldung.pipeline;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.function.Function;
+import org.junit.jupiter.api.Test;
+
+class FunctionPipelineUnitTest {
+
+    @Test
+    void whenCombiningThreeFunctions_andInitializingPipeline_thenResultIsCorrect() {
+        Function<Integer, Integer> square = s -> s * s;
+        Function<Integer, Integer> half = s -> s / 2;
+        Function<Integer, String> toString = Object::toString;
+        Function<Integer, String> pipeline = square.andThen(half)
+            .andThen(toString);
+        String result = pipeline.apply(5);
+        String expected = "12";
+        assertEquals(expected, result);
+    }
+}

patterns-modules/design-patterns-structural/src/test/java/com/baeldung/pipeline/PipeUnitTest.java

@@ -8,7 +8,7 @@ import org.junit.jupiter.api.Test;
 class PipeUnitTest {
 
     @Test
-    void simplePipeTest() {
+    void whenCombiningThreePipes_andInitializingPipeline_thenResultIsCorrect() {
         Pipe<Integer, Integer> square = s -> s * s;
         Pipe<Integer, Integer> half = s -> s / 2;
         Pipe<Integer, String> toString = Object::toString;

patterns-modules/design-patterns-structural/src/test/java/com/baeldung/pipeline/PipelineUnitTest.java

@@ -9,7 +9,7 @@ import org.junit.jupiter.api.Test;
 class PipelineUnitTest {
 
     @Test
-    void simplePipelineTest() {
+    void whenCombiningThreePipes_andInitializingPipeline_thenResultIsCorrect() {
         Pipe<Integer, Integer> square = s -> s * s;
         Pipe<Integer, Integer> half = s -> s / 2;
         Pipe<Integer, String> toString = Object::toString;