From 156e69b6a5ebf97b9faad8005284579401f2e2a3 Mon Sep 17 00:00:00 2001
From: Linus Samuelsson <smulle.junior@gmail.com>
Date: Wed, 14 Jan 2026 09:45:21 +0100
Subject: [PATCH 1/2] Adds unit tests for LoanServices
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Co-authored-by: Dennis Seldén <111012436+dennsel@users.noreply.github.com>
Co-authored-by: Linda Eskilsson <eskilsson.linda@hotmail.se>
Co-authored-by: Erika Falk Svendsen <alicia-fs@outlook.com>
---
 src/main/java/org/example/LoanServices.java   |  2 +
 src/test/java/org/example/BookSearchTest.java |  2 +-
 .../java/org/example/LoanServicesTest.java    | 75 +++++++++++++++++++
 3 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/org/example/LoanServicesTest.java

diff --git a/src/main/java/org/example/LoanServices.java b/src/main/java/org/example/LoanServices.java
index c5230081..78b6ea15 100644
--- a/src/main/java/org/example/LoanServices.java
+++ b/src/main/java/org/example/LoanServices.java
@@ -6,6 +6,8 @@
 
 public class LoanServices {
 
+
+
     // Kolla om en bok är utlånad
     public boolean isBookLoaned(Long bookId, EntityManager em) {
         List<Loan> loans = em.createQuery(
diff --git a/src/test/java/org/example/BookSearchTest.java b/src/test/java/org/example/BookSearchTest.java
index 838d7582..c45aaced 100644
--- a/src/test/java/org/example/BookSearchTest.java
+++ b/src/test/java/org/example/BookSearchTest.java
@@ -7,7 +7,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
-@Disabled("Integration test – runs locally only")
+
 class BookSearchTest {
 
     private static EntityManagerFactory emf;
diff --git a/src/test/java/org/example/LoanServicesTest.java b/src/test/java/org/example/LoanServicesTest.java
new file mode 100644
index 00000000..07539049
--- /dev/null
+++ b/src/test/java/org/example/LoanServicesTest.java
@@ -0,0 +1,75 @@
+package org.example;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import jakarta.persistence.Persistence;
+import org.junit.jupiter.api.*;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+public class LoanServicesTest {
+
+    private static EntityManagerFactory emf;
+    private EntityManager em;
+
+    @BeforeAll
+    static void init() {
+        emf = Persistence.createEntityManagerFactory("library_system");
+    }
+
+    @AfterAll
+    static void shutdown() {
+        emf.close();
+    }
+
+    @BeforeEach
+    void setUp() {
+        em = emf.createEntityManager();
+    }
+
+    @AfterEach
+    void tearDown() {
+        em.close();
+    }
+
+    // test - isBookLoaned funkar utan error
+    @Test
+    void isBookLoaned_executes_without_error() {
+        LoanServices service = new LoanServices();
+        boolean result = service.isBookLoaned(1L, em);
+        assertNotNull(result);
+    }
+
+    // test - loanBook funkar utan error
+    @Test
+    void loanBook_executes_without_error() {
+        LoanServices service = new LoanServices();
+        User user = em.find(User.class, 1L);
+        Book book = em.find(Book.class, 1L);
+        boolean result = service.loanBook(user, book, em);
+        assertNotNull(result);
+    }
+
+    // test - returnBook funkar utan error
+    @Test
+    void returnBook_executes_without_error() {
+        LoanServices service = new LoanServices();
+
+        User user = em.find(User.class, 1L);
+        Book book = em.find(Book.class, 1L);
+
+        boolean result = service.returnBook(user, book, em);
+
+        assertNotNull(result);
+    }
+
+    // test - activeLoans funkar utan error
+    @Test
+    void activeLoans_executes_without_error() {
+        LoanServices service = new LoanServices();
+        List<Loan> result = service.activeLoans(em.find(User.class, 1L), em);
+        assertNotNull(result);
+    }
+}

From bb77ee7575ba274ee31e0c861e5be01a0729c082 Mon Sep 17 00:00:00 2001
From: Linus Samuelsson <smulle.junior@gmail.com>
Date: Wed, 14 Jan 2026 09:53:28 +0100
Subject: [PATCH 2/2] Disables integration tests for LoanServicesTest and
 BookSearchTest

---
 src/test/java/org/example/BookSearchTest.java   | 3 ++-
 src/test/java/org/example/LoanServicesTest.java | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/test/java/org/example/BookSearchTest.java b/src/test/java/org/example/BookSearchTest.java
index c45aaced..090c05c0 100644
--- a/src/test/java/org/example/BookSearchTest.java
+++ b/src/test/java/org/example/BookSearchTest.java
@@ -7,9 +7,10 @@
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
-
+@Disabled("Integration test – runs locally only")
 class BookSearchTest {
 
+
     private static EntityManagerFactory emf;
     private EntityManager em;
 
diff --git a/src/test/java/org/example/LoanServicesTest.java b/src/test/java/org/example/LoanServicesTest.java
index 07539049..6d8d31fa 100644
--- a/src/test/java/org/example/LoanServicesTest.java
+++ b/src/test/java/org/example/LoanServicesTest.java
@@ -8,7 +8,7 @@
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
-
+@Disabled("Integration test – runs locally only")
 public class LoanServicesTest {
 
     private static EntityManagerFactory emf;