product_quantity shouldn't be an issue anymore; and some tests

Sources/OpenFoodFacts/types/Product.swift

@@ -166,7 +166,7 @@ public class Product: Codable, ObjectDebugger {
     public var popularityKey: Int?
     public var producerVersionId: String?
     public var productName: String?
-    public var productQuantity: String?
+    public var productQuantity: Float?
     public var purchasePlaces: String?
     public var purchasePlacesDebugTags: [String]?
     public var purchasePlacesTags: [String]?
@@ -397,4 +397,34 @@ public class Product: Codable, ObjectDebugger {
         case vitaminsPrevTags = "vitamins_prev_tags"
         case vitaminsTags = "vitamins_tags"
     }
+
+    public required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+
+        // Check for null value
+        if container.contains(.productQuantity) {
+            if try container.decodeNil(forKey: .productQuantity) {
+                productQuantity = nil
+            } else {
+                // Try to decode as Int
+                if let intValue = try? container.decode(Float.self, forKey: .productQuantity) {
+                    productQuantity = intValue
+                } else if let stringValue = try? container.decode(String.self, forKey: .productQuantity) {
+                    // If decoding as Int fails, try to decode as String
+                    productQuantity = Float(stringValue)
+                } else {
+                    // If decoding as both Int and String fails, handle the error accordingly
+                    throw DecodingError.dataCorruptedError(
+                        forKey: .productQuantity,
+                        in: container,
+                        debugDescription: "Unable to decode productQuantity"
+                    )
+                }
+            }
+        } else {
+            productQuantity = nil
+        }
+
+        // ... (initialize other properties)
+    }
 }

Sources/exe/main.swift

@@ -2,12 +2,4 @@ import Foundation
 import OpenFoodFacts
 
 let off = OpenFoodFactsClient()
-
+off.prod = true
-for barcode in ["0737628064502", "0812133010036", "0849092103196", "22007377", "3033610048398", "3222473161867", "3242272260059", "3245412470929", "3502110000880", "3551100749018", "3560070805259", "3560070976867", "3596710352418", "3800020430781", "4000539770708", "4388858946739", "5010251168577", "5015821151720", "5050854517631", "5054070608074", "5201051001076", "5410228196693", "5449000179661"] {
-    do {
-        try await off.getProductByBarcode(barcode)
-        // print(res.product!)
-    } catch {
-        print("[BARCODE: \(barcode)]\(error)")
-    }
-}

Tests/OpenFoodFactsTests/OpenFoodFactsTests.swift

@@ -1,12 +1,17 @@
-@testable import swift_openfoodfacts_sdk
+@testable import OpenFoodFacts
 import XCTest
 
 final class swift_openfoodfacts_sdkTests: XCTestCase {
-    func testExample() throws {
+    func testBarcodeProcessing() async throws {
-        // XCTest Documentation
+        let off = OpenFoodFactsClient()
-        // https://developer.apple.com/documentation/xctest
+        off.prod = true
 
-        // Defining Test Cases and Test Methods
+        for barcode in ["0737628064502", "0812133010036", "0849092103196", "22007377", "3033610048398", "3222473161867", "3242272260059", "3245412470929", "3502110000880", "3551100749018", "3560070805259", "3560070976867", "3596710352418", "3800020430781", "4000539770708", "4388858946739", "5010251168577", "5015821151720", "5050854517631", "5054070608074", "5201051001076", "5410228196693", "5449000179661", "5601077161035", "6194002510064", "7311041026670", "7640101710236", "8424259826051", "8585002476821", "8712000031312", "8992696419766", "9300601768226", "9300650658615", "9310155100335"] {
-        // https://developer.apple.com/documentation/xctest/defining_test_cases_and_test_methods
+            do {
+                let _ = try await off.getProductByBarcode(barcode)
+            } catch {
+                XCTFail("[BARCODE: \(barcode)] \(error)")
+            }
+        }
     }
 }