test and update for product util

src/main/java/ntnu/idatt2016/v233/SmartMat/model/product/Product.java

 package ntnu.idatt2016.v233.SmartMat.model.product;
 
+import lombok.Builder;
+
 /**
  * Product is a record class representing a product in the system.
  * All other info about the product is fetched from api call on fronted.
@@ -8,5 +10,6 @@ package ntnu.idatt2016.v233.SmartMat.model.product;
  * @version 1.0
  * @since 04.04.2023
  */
+@Builder
 public record Product (int ean, String name, String description){
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/util/ProductUtil.java

@@ -34,12 +34,30 @@ public class ProductUtil {
                 for (String unit : VOLUME_UNITS) {
                     int i = words.indexOf(unit);
                     if (i != -1) {
-                        return Optional.of(words.get(i - 1) + " " + unit);
+                        return Optional.of(words.get(i - 1) + unit);
                     }
                 }
+
+                volume = words.stream().filter(word -> Arrays.stream(VOLUME_UNITS).anyMatch(word::contains))
+                        .filter(ProductUtil::hasNumbers)
+                        .findAny()
+                        .orElse("");
+                if (!volume.equals("")){
+                    return Optional.of(volume);
+                }
             }
         }
 
+
         return Optional.empty();
     }
+
+    /**
+     * Checks if a string contains any numbers
+     * @param s The string to check
+     * @return True if the string contains any numbers, false otherwise
+     */
+    private static boolean hasNumbers(String s) {
+        return s.matches(".*\\d.*");
+    }
 }

src/main/java/ntnu/idatt2016/v233/SmartMat/util/tempUtil.java

-package ntnu.idatt2016.v233.SmartMat.util;
-
-public class tempUtil {
-}

src/test/java/ntnu/idatt2016/v233/SmartMat/util/ProductUtilTest.java

+package ntnu.idatt2016.v233.SmartMat.util;
+
+import ntnu.idatt2016.v233.SmartMat.model.product.Product;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.Console;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class ProductUtilTest {
+
+    Product product;
+    @BeforeEach
+    void setUp() {
+        this.product = Product.builder()
+                .ean(123456789)
+                .name("Pepsi Original 24x500 ml")
+                .description("Pepsi Original 24x500 ml")
+                .build();
+    }
+
+    @Test
+    void getVolumeFromProduct() {
+        assertEquals("24x500ml", ProductUtil.getVolumeFromProduct(product).get());
+
+        this.product = Product.builder()
+                .ean(123456789)
+                .name("test")
+                .description("Pepsi Original 24x500 ml")
+                .build();
+
+        assertEquals("24x500ml", ProductUtil.getVolumeFromProduct(product).get());
+
+        this.product = Product.builder()
+                .ean(123456789)
+                .name("Pepsi Original 24x500ml")
+                .description("test")
+                .build();
+
+
+        assertEquals("24x500ml", ProductUtil.getVolumeFromProduct(product).get());
+
+        this.product = Product.builder()
+                .ean(123456789)
+                .name("test")
+                .description("Pepsi Original 24x500ml")
+                .build();
+
+
+        assertEquals("24x500ml", ProductUtil.getVolumeFromProduct(product).get());
+    }
+}
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