refactor: rename layers

layered-architecture/src/test/java/com/iluwatar/layers/entity/CakeTest.java

@@ -0,0 +1,121 @@
+/*
+ * This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
+ *
+ * The MIT License
+ * Copyright © 2014-2022 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package com.iluwatar.layers.entity;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import entity.Cake;
+import entity.CakeLayer;
+import entity.CakeTopping;
+import java.util.HashSet;
+import java.util.Set;
+import org.junit.jupiter.api.Test;
+
+/**
+ * This class contains unit tests for the Cake class.
+ * It tests the functionality of setting and getting the id, topping, and layers of a Cake object.
+ * It also tests the functionality of adding a layer to a Cake object and converting a Cake object to a string.
+ */
+class CakeTest {
+
+  @Test
+  void testSetId() {
+    final var cake = new Cake();
+    assertNull(cake.getId());
+
+    final var expectedId = 1234L;
+    cake.setId(expectedId);
+    assertEquals(expectedId, cake.getId());
+  }
+
+  @Test
+  void testSetTopping() {
+    final var cake = new Cake();
+    assertNull(cake.getTopping());
+
+    final var expectedTopping = new CakeTopping("DummyTopping", 1000);
+    cake.setTopping(expectedTopping);
+    assertEquals(expectedTopping, cake.getTopping());
+  }
+
+  @Test
+  void testSetLayers() {
+    final var cake = new Cake();
+    assertNotNull(cake.getLayers());
+    assertTrue(cake.getLayers().isEmpty());
+
+    final var expectedLayers = Set.of(new CakeLayer("layer1", 1000), new CakeLayer("layer2", 2000),
+        new CakeLayer("layer3", 3000));
+    cake.setLayers(expectedLayers);
+    assertEquals(expectedLayers, cake.getLayers());
+  }
+
+  @Test
+  void testAddLayer() {
+    final var cake = new Cake();
+    assertNotNull(cake.getLayers());
+    assertTrue(cake.getLayers().isEmpty());
+
+    final Set<CakeLayer> initialLayers = new HashSet<>();
+    initialLayers.add(new CakeLayer("layer1", 1000));
+    initialLayers.add(new CakeLayer("layer2", 2000));
+
+    cake.setLayers(initialLayers);
+    assertEquals(initialLayers, cake.getLayers());
+
+    final var newLayer = new CakeLayer("layer3", 3000);
+    cake.addLayer(newLayer);
+
+    final Set<CakeLayer> expectedLayers = new HashSet<>();
+    expectedLayers.addAll(initialLayers);
+    expectedLayers.addAll(initialLayers);
+    expectedLayers.add(newLayer);
+    assertEquals(expectedLayers, cake.getLayers());
+  }
+
+  @Test
+  void testToString() {
+    final var topping = new CakeTopping("topping", 20);
+    topping.setId(2345L);
+
+    final var layer = new CakeLayer("layer", 100);
+    layer.setId(3456L);
+
+    final var cake = new Cake();
+    cake.setId(1234L);
+    cake.setTopping(topping);
+    cake.addLayer(layer);
+
+    final var expected = "id=1234 topping=id=2345 name=topping calories=20 "
+        + "layers=[id=3456 name=layer calories=100]";
+    assertEquals(expected, cake.toString());
+
+  }
+
+}