BAEL-6228-Pipeline-Design-Pattern-in-Java (#13547)

2023-02-27 18:29:14 +01:00
parent 075540af10
commit 463a5d4dc5
7 changed files with 129 additions and 0 deletions
@@ -0,0 +1,20 @@
+package com.baeldung.pipeline;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.baeldung.pipeline.pipes.Pipe;
+import org.junit.jupiter.api.Test;
+
+class PipeUnitTest {
+
+    @Test
+    void simplePipeTest() {
+        Pipe<Integer, Integer> square = s -> s * s;
+        Pipe<Integer, Integer> half = s -> s / 2;
+        Pipe<Integer, String> toString = Object::toString;
+        Pipe<Integer, String> pipeline = square.add(half).add(toString);
+        String result = pipeline.process(5);
+        String expected = "12";
+        assertThat(result).isEqualTo(expected);
+    }
+}
@@ -0,0 +1,24 @@
+package com.baeldung.pipeline;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.baeldung.pipeline.immutable.Pipe;
+import com.baeldung.pipeline.immutable.Pipeline;
+import org.junit.jupiter.api.Test;
+
+class PipelineUnitTest {
+
+    @Test
+    void simplePipelineTest() {
+        Pipe<Integer, Integer> square = s -> s * s;
+        Pipe<Integer, Integer> half = s -> s / 2;
+        Pipe<Integer, String> toString = Object::toString;
+        Pipeline<Integer, Integer> squarePipeline = Pipeline.of(square);
+        Pipeline<Integer, Integer> squareAndHalfPipeline = squarePipeline.withNextPipe(half);
+        Pipeline<Integer, String> squareHalfAndStringPipeline = squareAndHalfPipeline.withNextPipe(toString);
+
+        String result = squareHalfAndStringPipeline.process(5);
+        String expected = "12";
+        assertThat(result).isEqualTo(expected);
+    }
+}