diff --git a/Tests/Resources/Sql/ServiceInsert.sql b/Tests/Resources/Sql/ServiceInsert.sql
index ad9b9e9..648d030 100644
--- a/Tests/Resources/Sql/ServiceInsert.sql
+++ b/Tests/Resources/Sql/ServiceInsert.sql
@@ -138,3 +138,8 @@ INSERT INTO payment_member (year, avnr, mgnr, net_amount) VALUES
 INSERT INTO credit (year, tgnr, mgnr, avnr, net_amount, prev_net_amount, vat, modifiers, prev_modifiers) VALUES
 (2021, 1, 203, 1, 10000000, 0, 0.1, 0, 0),
 (2021, 2, 204, 1, 10000000, 0, 0.1, 0, 0);
+
+INSERT INTO payment_variant (year, avnr, name, date, transfer_date, test_variant, calc_time, comment, data) VALUES
+(2021, 2, 'Berechnen', '2022-01-20', '2022-01-20', TRUE, NULL, NULL, '{"mode":"elwig","version":1,"payment":0.5,"curves":[]}'),
+(2021, 3, 'Löschen', '2022-01-20', '2022-01-20', TRUE, NULL, NULL, '{"mode":"elwig","version":1,"payment":0.5,"curves":[]}'),
+(2021, 4, 'Duplizieren', '2022-01-21', '2022-01-21', TRUE, NULL, NULL, '{"mode":"elwig","version":1,"payment":0.5,"curves":[]}');
diff --git a/Tests/UnitTests/ServiceTests/PaymentVariantServiceTest.cs b/Tests/UnitTests/ServiceTests/PaymentVariantServiceTest.cs
new file mode 100644
index 0000000..fc4fdcf
--- /dev/null
+++ b/Tests/UnitTests/ServiceTests/PaymentVariantServiceTest.cs
@@ -0,0 +1,161 @@
+using Elwig.Helpers;
+using Elwig.Models.Entities;
+using Elwig.Services;
+using Elwig.ViewModels;
+using Microsoft.EntityFrameworkCore;
+
+namespace Tests.UnitTests.ServiceTests {
+    [TestFixture]
+    public class PaymentVariantServiceTest {
+
+        private static async Task InitViewModel(PaymentVariantsViewModel vm) {
+            using var ctx = new AppDbContext();
+        }
+
+        [Test]
+        [Ignore("Not implemented yet")]
+        public async Task Test_FillInputs() {
+            var vm = new PaymentVariantsViewModel();
+            await InitViewModel(vm);
+            //await vm.FillInputs();
+        }
+
+        [Test]
+        public async Task Test_CreatePaymentVariant() {
+            HashSet<int> ids;
+            using (var ctx = new AppDbContext()) {
+                ids = await ctx.PaymentVariants.Where(v => v.Year == 2021).Select(v => v.AvNr).ToHashSetAsync();
+            }
+            PaymentVar? n = null;
+            await Assert.DoesNotThrowAsync(async () => {
+                n = await PaymentVariantService.CreatePaymentVariant(2021);
+            });
+            Assert.That(ids, Does.Not.Contain(n?.AvNr));
+            using (var ctx = new AppDbContext()) {
+                Assert.IsNotNull(await ctx.PaymentVariants.FindAsync(2021, n?.AvNr));
+            }
+        }
+
+        [Test]
+        public async Task Test_Duplicate() {
+            HashSet<int> ids;
+            using (var ctx = new AppDbContext()) {
+                ids = await ctx.PaymentVariants.Where(v => v.Year == 2021).Select(v => v.AvNr).ToHashSetAsync();
+            }
+            Assert.That(ids, Does.Contain(4));
+            PaymentVar? n = null;
+            using (var ctx = new AppDbContext()) {
+                var v = await ctx.PaymentVariants.FindAsync(2021, 4);
+                await Assert.DoesNotThrowAsync(async () => {
+                    n = await PaymentVariantService.Duplicate(v!);
+                });
+            }
+            Assert.That(ids, Does.Not.Contain(n?.AvNr));
+            using (var ctx = new AppDbContext()) {
+                Assert.IsNotNull(await ctx.PaymentVariants.FindAsync(2021, n?.AvNr));
+            }
+        }
+
+        [Test]
+        [Ignore("Not implemented yet")]
+        public async Task Test_UpdatePaymentVariant() {
+            var vm = new PaymentVariantsViewModel();
+            await InitViewModel(vm);
+            //await vm.UpdatePaymentVariant();
+        }
+
+        [Test]
+        public async Task Test_DeletePaymentVariant() {
+            using (var ctx = new AppDbContext()) {
+                Assert.IsNotNull(await ctx.PaymentVariants.FindAsync(2021, 3));
+            }
+            await Assert.DoesNotThrowAsync(async () => await PaymentVariantService.DeletePaymentVariant(2021, 3));
+            using (var ctx = new AppDbContext()) {
+                Assert.IsNull(await ctx.PaymentVariants.FindAsync(2021, 3));
+            }
+        }
+
+        [Test]
+        public async Task Test_Calculate_Commit_Revert() {
+            await Assert.DoesNotThrowAsync(async () => {
+                await PaymentVariantService.Calculate(2021, 2);
+                await PaymentVariantService.Commit(2021, 2);
+                await PaymentVariantService.Revert(2021, 2);
+            });
+        }
+
+        [Test]
+        public async Task TestGenerate_Summary_List() {
+            var filename = Path.Combine(Path.GetTempPath(), "PaymentVariant.ods");
+            Assert.That(!File.Exists(filename));
+            InteractionService.NextSave = (_, _) => filename;
+            try {
+                using var ctx = new AppDbContext();
+                var v = await ctx.PaymentVariants.Where(v => v.Year == 2021 && v.AvNr == 2).SingleAsync();
+                await PaymentVariantService.GenerateSummary(v, ExportMode.SaveList);
+                using (Assert.EnterMultipleScope()) {
+                    Assert.IsNull(InteractionService.NextSave);
+                    Assert.That(File.Exists(filename));
+                    Assert.That(new FileInfo(filename).Length, Is.GreaterThan(0));
+                }
+            } finally {
+                File.Delete(filename);
+            }
+        }
+
+        [Test]
+        public async Task TestGenerate_Summary_Pdf() {
+            var filename = Path.Combine(Path.GetTempPath(), "PaymentVariant.pdf");
+            Assert.That(!File.Exists(filename));
+            InteractionService.NextSave = (_, _) => filename;
+            try {
+                using var ctx = new AppDbContext();
+                var v = await ctx.PaymentVariants.Where(v => v.Year == 2021 && v.AvNr == 2).SingleAsync();
+                await PaymentVariantService.GenerateSummary(v, ExportMode.SavePdf);
+                using (Assert.EnterMultipleScope()) {
+                    Assert.IsNull(InteractionService.NextSave);
+                    Assert.That(File.Exists(filename));
+                    Assert.That(new FileInfo(filename).Length, Is.GreaterThan(0));
+                }
+            } finally {
+                File.Delete(filename);
+            }
+        }
+
+        [Test]
+        public async Task TestGenerate_Ebics() {
+            var filename = Path.Combine(Path.GetTempPath(), "PaymentVariant.xml");
+            Assert.That(!File.Exists(filename));
+            InteractionService.NextSave = (_, _) => filename;
+            try {
+                await PaymentVariantService.GenerateEbics(2021, 2);
+                using (Assert.EnterMultipleScope()) {
+                    Assert.IsNull(InteractionService.NextSave);
+                    Assert.That(File.Exists(filename));
+                    Assert.That(new FileInfo(filename).Length, Is.GreaterThan(0));
+                }
+            } finally {
+                File.Delete(filename);
+            }
+        }
+
+        [Test]
+        public async Task TestGenerate_AccountingList() {
+            var filename = Path.Combine(Path.GetTempPath(), "PaymentVariant.ods");
+            Assert.That(!File.Exists(filename));
+            InteractionService.NextSave = (_, _) => filename;
+            try {
+                using var ctx = new AppDbContext();
+                var v = await ctx.PaymentVariants.Where(v => v.Year == 2021 && v.AvNr == 2).SingleAsync();
+                await PaymentVariantService.GenerateAccountingList(v.Year, v.AvNr, v.Name);
+                using (Assert.EnterMultipleScope()) {
+                    Assert.IsNull(InteractionService.NextSave);
+                    Assert.That(File.Exists(filename));
+                    Assert.That(new FileInfo(filename).Length, Is.GreaterThan(0));
+                }
+            } finally {
+                File.Delete(filename);
+            }
+        }
+    }
+}