diff --git a/src/test/java/catering/catalog/CatalogUnitTests.java b/src/test/java/catering/catalog/CatalogUnitTests.java
new file mode 100644
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+++ b/src/test/java/catering/catalog/CatalogUnitTests.java
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// SPDX-FileCopyrightText: 2023 swt23w23
+package catering.catalog;
+import catering.order.OrderType;
+import org.javamoney.moneta.Money;
+import java.util.Optional;
+import java.util.Set;
+import static org.assertj.core.api.Assertions.*;
+import static org.salespointframework.core.Currencies.EURO;
+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 org.springframework.test.annotation.DirtiesContext;
+
+@SpringBootTest
+class CatalogUnitTests {
+	@Autowired
+	CateringCatalog cateringCatalog;
+
+	@BeforeEach
+	void setUp() {}
+
+	@Test
+	void findByCategories() {
+		assertThat(cateringCatalog.findRentablesByCategoriesContains(OrderType.EVENT_CATERING.toString())).hasSize(2);
+		assertThat(cateringCatalog.findRentablesByCategoriesContains(OrderType.MOBILE_BREAKFAST.toString())).hasSize(2);
+		assertThat(cateringCatalog.findRentablesByCategoriesContains(OrderType.RENT_A_COOK.toString())).hasSize(0);
+		assertThat(cateringCatalog.findRentablesByCategoriesContains(OrderType.PARTY_SERVICE.toString())).hasSize(0);
+
+		assertThat(cateringCatalog.findConsumablesByCategoriesContains(OrderType.EVENT_CATERING.toString())).hasSize(1);
+		assertThat(cateringCatalog.findConsumablesByCategoriesContains(OrderType.MOBILE_BREAKFAST.toString())).hasSize(1);
+		assertThat(cateringCatalog.findConsumablesByCategoriesContains(OrderType.RENT_A_COOK.toString())).hasSize(0);
+		assertThat(cateringCatalog.findConsumablesByCategoriesContains(OrderType.PARTY_SERVICE.toString())).hasSize(0);
+	}
+
+	@Test
+	void findConsumables() {
+		assertThat(cateringCatalog.findConsumables()).hasSize(1);
+	}
+
+	@Test
+	void findRentables() {
+		assertThat(cateringCatalog.findRentables()).hasSize(2);
+	}
+
+	@Test
+	@DirtiesContext
+	void addConsumableToOrder() {
+
+		// test if consumable was added
+		long countAllBefore = cateringCatalog.findAll().stream().count();
+		long countConsumablesBefore = cateringCatalog.findConsumables().stream().count();
+		Consumable addedConsumable = cateringCatalog.save(new Consumable(
+			"Rosinen Brötchen",
+			Money.of(1.5, EURO),
+			Money.of(0.7, EURO),
+			Optional.of(Money.of(0.90, EURO)),
+			Set.of(OrderType.MOBILE_BREAKFAST)));
+		assertThat(cateringCatalog.findAll().stream().count()).isEqualTo(1 + countAllBefore);
+		assertThat(cateringCatalog.findConsumables().stream().count()).isEqualTo(1 + countConsumablesBefore);
+		assertThat(cateringCatalog.findConsumables()).contains(addedConsumable);
+	}
+}
+