diff --git a/src/test/java/org/ntlab/tampoposerver/repositories/FriendRepositoryTest.java b/src/test/java/org/ntlab/tampoposerver/repositories/FriendRepositoryTest.java
new file mode 100644
index 0000000..dc74bd1
--- /dev/null
+++ b/src/test/java/org/ntlab/tampoposerver/repositories/FriendRepositoryTest.java
@@ -0,0 +1,49 @@
+package org.ntlab.tampoposerver.repositories;
+
+import org.junit.jupiter.api.Test;
+import org.ntlab.tampoposerver.models.FriendPair;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+
+@SpringBootTest
+public class FriendRepositoryTest {
+    @Autowired
+    private FriendRepository friendRepository;
+
+    @Test
+    public void contextLoads() {
+        assertThat(friendRepository).isNotNull();
+    }
+
+    @Test
+    public void test() {
+        // Adding friend pair
+        FriendPair pair = new FriendPair("user-0", "user-1");
+        FriendPair addedPair = friendRepository.add(pair);
+        assertEquals(0, addedPair.getId());
+        assertEquals("user-0", addedPair.getUser0Id());
+        assertEquals("user-1", addedPair.getUser1Id());
+
+        FriendPair anotherPair = new FriendPair("another-user-0", "another-user-1");
+        FriendPair anotherAddedPair = friendRepository.add(anotherPair);
+        assertEquals(1, anotherAddedPair.getId());
+        assertEquals("another-user-0", anotherAddedPair.getUser0Id());
+        assertEquals("another-user-1", anotherAddedPair.getUser1Id());
+
+        FriendPair wrongIdPair = new FriendPair("wrong-user-0", "wrong-user-1");
+        FriendPair addedWrongIdPair = friendRepository.add(wrongIdPair);
+        assertNotEquals(10, addedWrongIdPair.getId());
+        assertNotEquals("wrong-user-10", addedWrongIdPair.getUser0Id());
+        assertNotEquals("wrong-user-11", addedWrongIdPair.getUser1Id());
+
+        // Get friends
+        FriendPair foundPair = friendRepository.find(0);
+        assertEquals(0, foundPair.getId());
+        assertEquals("user-0", foundPair.getUser0Id());
+        assertEquals("user-1", foundPair.getUser1Id());
+    }
+}