Added tests for NodeService

app/src/test/java/ru/dragonestia/picker/service/NodeServiceTests.java

@@ -0,0 +1,47 @@
+package ru.dragonestia.picker.service;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.dragonestia.picker.api.exception.NodeAlreadyExistException;
+import ru.dragonestia.picker.api.repository.response.type.type.PickingMode;
+import ru.dragonestia.picker.model.Node;
+
+import java.util.List;
+
+@SpringBootTest
+public class NodeServiceTests {
+
+    @Autowired
+    private NodeService nodeService;
+
+    @Test
+    void test_nodeCreateAndRemove() {
+        var node = new Node("test", PickingMode.SEQUENTIAL_FILLING, false);
+
+        Assertions.assertDoesNotThrow(() -> nodeService.create(node));
+        Assertions.assertTrue(nodeService.find(node.id()).isPresent());
+        Assertions.assertThrows(NodeAlreadyExistException.class, () -> nodeService.create(node));
+
+        nodeService.remove(node);
+
+        Assertions.assertFalse(() -> nodeService.find(node.id()).isPresent());
+    }
+
+    @Test
+    void test_allNodes() {
+        var nodes = List.of(
+                new Node("test1", PickingMode.SEQUENTIAL_FILLING, false),
+                new Node("test2", PickingMode.ROUND_ROBIN, false),
+                new Node("test3", PickingMode.ROUND_ROBIN, false)
+        );
+
+        nodes.forEach(node -> nodeService.create(node));
+
+        var list = nodeService.all();
+
+        Assertions.assertEquals(nodes.size(), list.size());
+        Assertions.assertTrue(list.containsAll(nodes));
+    }
+}