Add simple get and post tests to order package

These tests mainly check the correct redirection and working input values,
but not many edge cases or any business logic.

Works on #48

src/main/java/catering/order/OrderController.java

@@ -100,6 +100,7 @@ public class OrderController {
 	}
 
 	@PostMapping("/allOrders/remove")
+	@PreAuthorize("hasRole('ADMIN')")
 	public String removeOrder(@RequestParam Order.OrderIdentifier orderID, @LoggedIn Optional<UserAccount> userAccount) {
 		return userAccount.map(account -> {
 			if (account.hasRole(Role.of("ADMIN"))) {

src/test/java/catering/order/OrderControllerIntegrationTests.java

@@ -0,0 +1,180 @@
+package catering.order;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.salespointframework.catalog.Product;
+import org.salespointframework.inventory.UniqueInventory;
+import org.salespointframework.inventory.UniqueInventoryItem;
+import org.salespointframework.order.CartItem;
+import org.salespointframework.order.OrderManagement;
+import org.salespointframework.quantity.Quantity;
+import org.salespointframework.useraccount.Password;
+import org.salespointframework.useraccount.Role;
+import org.salespointframework.useraccount.UserAccount;
+import org.salespointframework.useraccount.UserAccountManagement;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.hamcrest.Matchers.not;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.user;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+import java.time.LocalDateTime;
+
+
+@AutoConfigureMockMvc
+@SpringBootTest
+public class OrderControllerIntegrationTests {
+
+	@Autowired
+	MockMvc mvc;
+
+	@Autowired
+	UniqueInventory<UniqueInventoryItem> inventory;
+
+	@Autowired
+	OrderManagement<CustomOrder> orderManagement;
+
+	@Autowired
+	UserAccountManagement userAccountManagement;
+
+	UserAccount myUser;
+	UserAccount admin;
+
+	CustomCart myCart;
+
+	@BeforeEach
+	void setUp() {
+		if (userAccountManagement.findByUsername("andi").isEmpty()) {
+			userAccountManagement.create("andi",
+				Password.UnencryptedPassword.of("12345"), Role.of("CUSTOMER"));
+		}
+
+		myUser = userAccountManagement.findByUsername("andi").get();
+		admin = userAccountManagement.findByUsername("admin").get();
+
+
+		if (orderManagement.findAll(Pageable.unpaged()).stream().findAny().isEmpty()) {
+			myCart = new CustomCart(OrderType.EVENT_CATERING,
+				LocalDateTime.of(2023, 12, 23, 10, 0),
+				LocalDateTime.of(2023, 12, 24, 10, 0));
+			myCart.addOrUpdateItem(inventory.findAll().stream().findFirst().get().getProduct(), Quantity.of(1));
+
+			CustomOrder myOrder = new CustomOrder(myUser.getId(), myCart);
+			myCart.addItemsTo(myOrder);
+
+			orderManagement.payOrder(myOrder);
+			orderManagement.completeOrder(myOrder);
+		}
+	}
+
+	@Test
+	void customerViewsOrder() throws Exception {
+		mvc.perform(get("/myOrders").with(user("andi").roles("CUSTOMER")))
+			.andExpect(status().isOk())
+			.andExpect(content().string(containsString("Menge")))
+			.andExpect(model().attributeExists("orders"));
+
+		mvc.perform(get("/myOrders").with(user("admin").roles("CUSTOMER"))) // WTF SPRING!11!!!!
+			.andExpect(status().isOk())
+			.andExpect(content().string(containsString("0")));
+
+		mvc.perform(get("/myOrders").with(user("admin").roles("ADMIN")))
+			.andExpect(status().isForbidden());
+	}
+
+	@Test
+	@WithMockUser(username = "admin", roles = "ADMIN")
+	void adminViewsOrder() throws Exception {
+		mvc.perform(get("/allOrders"))
+			.andExpect(status().isOk())
+			.andExpect(content().string(containsString("Menge")))
+			.andExpect(model().attributeExists("orders"));
+
+		mvc.perform(get("/allOrders").with(user("andi").roles("CUSTOMER")))
+			.andExpect(status().isForbidden());
+	}
+
+	@Test
+	@WithMockUser(username = "admin", roles = "ADMIN")
+	void adminViewsOrderByDate() throws Exception {
+		mvc.perform(get("/allOrders/2023-12-23"))
+			.andExpect(status().isOk())
+			.andExpect(content().string(containsString("Menge")))
+			.andExpect(model().attributeExists("orders"));
+
+		mvc.perform(get("/allOrders/2023-10-12"))
+			.andExpect(status().isOk())
+			.andExpect(content().string(not(containsString("Menge"))))
+			.andExpect(model().attributeExists("orders"));
+	}
+
+	@Test
+	@WithMockUser(username = "admin", roles = "ADMIN")
+	void adminRemovesOrder() throws Exception {
+		mvc.perform(post("/allOrders/remove")
+				.param("orderID", orderManagement.findAll(Pageable.unpaged()).stream().findFirst().get().getId().toString()))
+			.andExpect(status().is3xxRedirection())
+			.andExpect(redirectedUrl("/allOrders"));
+	}
+
+	@Test
+	@WithMockUser(username = "andi", roles = "CUSTOMER")
+	void userPlansEvent() throws Exception {
+		mvc.perform(get("/event"))
+			.andExpect(status().isOk())
+			.andExpect(model().attributeExists("invItems"));
+
+		Product product = inventory.findAll().stream().findFirst().get().getProduct();
+
+		mvc.perform(post("/event/addProduct")
+				.param("pid", product.getId().toString())
+				.param("number", "2"))
+			.andExpect(status().is3xxRedirection())
+			.andExpect(redirectedUrl("/event"));
+	}
+
+	@Test
+	@WithMockUser(username = "andi", roles = "CUSTOMER")
+	void userRemovesItemFromCart() throws Exception {
+		CartItem myItem = myCart.toList().get(0);
+
+		mvc.perform(post("/event/removeProduct")
+				.param("itemId", myItem.getId()))
+			.andExpect(status().is3xxRedirection())
+			.andExpect(redirectedUrl("/event"));
+	}
+
+	@Test
+	@WithMockUser(username = "andi", roles = "CUSTOMER")
+	void userChangesDate() throws Exception {
+		mvc.perform(post("/event/changeDate")
+				.param("startDate", "2024-10-10")
+				.param("startHour", "10")
+				.param("finishDate", "2024-10-11")
+				.param("finishHour", "11"))
+			.andExpect(status().is3xxRedirection())
+			.andExpect(redirectedUrl("/event"));
+	}
+
+	@Test
+	@WithMockUser(username = "andi", roles = "CUSTOMER")
+	void userCheckOut() throws Exception {
+		Product product = inventory.findAll().stream().findFirst().get().getProduct();
+		mvc.perform(post("/event/addProduct")
+			.param("pid", product.getId().toString())
+			.param("number", "2"));
+
+		mvc.perform(post("/event/checkout"))
+			.andExpect(status().is3xxRedirection())
+			.andExpect(redirectedUrl("/event"));
+	}
+
+}