diff --git a/src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/AgentAssignment.java b/src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/AgentAssignment.java
index 7f4a76eca82d8a6b1ab1e6ccad46e4c72da59592..ceca055d331419addb6f218777d5a407e7228741 100644
--- a/src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/AgentAssignment.java
+++ b/src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/AgentAssignment.java
@@ -31,6 +31,7 @@ public class AgentAssignment {
 
     @OneToOne
     @JoinColumn(name = "report_id")
+    @Setter(AccessLevel.NONE)
     private Report report;
 
     @ManyToOne
@@ -44,6 +45,11 @@ public class AgentAssignment {
     @Setter(AccessLevel.NONE)
     private Set<PerformanceEvaluation> performanceEvaluations = new HashSet<>();
 
+    public void setReport(Report report) {
+        this.report = report;
+        report.setAgentAssignment(this);
+    }
+
     public void addPerformanceEvaluation(PerformanceEvaluation performanceEvaluation) {
         performanceEvaluations.add(performanceEvaluation);
     }
diff --git a/src/test/java/cz/fi/muni/pa165/seminar4/group7/secretservice/dao/ReportDaoTests.java b/src/test/java/cz/fi/muni/pa165/seminar4/group7/secretservice/dao/ReportDaoTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..2a70e03039e2a820cae3966f44ad076e91482fa8
--- /dev/null
+++ b/src/test/java/cz/fi/muni/pa165/seminar4/group7/secretservice/dao/ReportDaoTests.java
@@ -0,0 +1,121 @@
+package cz.fi.muni.pa165.seminar4.group7.secretservice.dao;
+
+import cz.fi.muni.pa165.seminar4.group7.secretservice.entity.AgentAssignment;
+import cz.fi.muni.pa165.seminar4.group7.secretservice.entity.Report;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import javax.transaction.Transactional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Milan Mozolak
+ */
+@SpringBootTest
+@Transactional
+class ReportDaoTests {
+
+    @Autowired
+    private ReportDao reportDao;
+
+    @BeforeEach
+    private void reset() {
+        reportDao.deleteAll();
+    }
+
+    private Report createNewReport() {
+        return new Report().setReport("Test");
+    }
+
+    @Test
+    void create() {
+        assertThat(reportDao.findAll()).isEmpty();
+        var report = createNewReport();
+
+        reportDao.save(report);
+        assertThat(reportDao.findAll()).hasSize(1);
+    }
+
+    @Test
+    void findByIdExisting() {
+        var report = createNewReport();
+        reportDao.save(report);
+
+        var find = reportDao.findById(report.getId());
+        assertThat(find).isPresent();
+    }
+
+    @Test
+    void findByIdNonExisting() {
+        assertThat(reportDao.findAll()).isEmpty();
+
+        var find = reportDao.findById(1L);
+        assertThat(find).isEmpty();
+    }
+
+    @Test
+    void findAll() {
+        for (int i = 1; i < 10; i++) {
+            reportDao.save(createNewReport());
+            assertThat(reportDao.findAll()).hasSize(i);
+        }
+    }
+
+    @Test
+    void update() {
+        var r1 = createNewReport();
+        reportDao.save(r1);
+        var r2 = reportDao.findById(r1.getId());
+        assertThat(r2).isNotEmpty();
+        assertEquals(r1.getReport(), r2.get().getReport());
+
+        r1.setReport("Report 2");
+        reportDao.save(r1);
+
+        var r3 = reportDao.findById(r1.getId());
+        assertThat(r3).isNotEmpty();
+        assertEquals(r1.getReport(), r3.get().getReport());
+        assertEquals(r1.getReport(), r2.get().getReport());
+    }
+
+    @Test
+    void delete() {
+        var report = createNewReport();
+
+        reportDao.save(report);
+        assertThat(reportDao.findAll()).hasSize(1);
+
+        reportDao.delete(report);
+        assertThat(reportDao.findAll()).isEmpty();
+    }
+
+    @Test
+    void createDuplicate() {
+        var report = createNewReport();
+        reportDao.save(report);
+        assertThat(reportDao.findAll()).hasSize(1);
+
+        var report2 = reportDao.findById(report.getId());
+        assertThat(report2).isPresent();
+        reportDao.save(report2.get());
+
+        assertEquals(report.getId(), report2.get().getId());
+        assertThat(reportDao.findAll()).hasSize(1);
+    }
+
+    @Test
+    void agentAssignment() {
+        var assignment = new AgentAssignment();
+        var report = createNewReport();
+        assignment.setReport(report);
+        reportDao.save(report);
+
+        var report2 = reportDao.findById(report.getId());
+        assertThat(report2).isPresent();
+        assertEquals(assignment, report2.get().getAgentAssignment());
+    }
+}