Implement tests

Sources/Flare/Classes/Models/IAPError.swift

@@ -127,6 +127,8 @@ extension IAPError: Equatable {
             return lhs == rhs
         case (.unknown, .unknown):
             return true
+        case let (.failedToDecodeSignature(lhs), .failedToDecodeSignature(rhs)):
+            return lhs == rhs
         default:
             return false
         }

Sources/Flare/Classes/Models/Internal/SK1StoreProductDiscount.swift

@@ -50,7 +50,7 @@ struct SK1StoreProductDiscount: IStoreProductDiscount {
         self.productDiscount = productDiscount
 
         offerIdentifier = productDiscount.identifier
-        currencyCode = ""
+        currencyCode = productDiscount.priceLocale.currencyCodeID
         price = productDiscount.price as Decimal
         self.paymentMode = paymentMode
         self.subscriptionPeriod = subscriptionPeriod

Sources/Flare/Classes/Models/SubscriptionPeriod.swift

@@ -41,6 +41,19 @@ public final class SubscriptionPeriod: NSObject, Sendable {
         self.value = value
         self.unit = unit
     }
+
+    override public func isEqual(_ object: Any?) -> Bool {
+        guard let other = object as? SubscriptionPeriod else { return false }
+        return value == other.value && unit == other.unit
+    }
+
+    override public var hash: Int {
+        var hasher = Hasher()
+        hasher.combine(value)
+        hasher.combine(unit)
+
+        return hasher.finalize()
+    }
 }
 
 // MARK: - Helpers

Tests/FlareTests/UnitTests/FlareTests.swift

@@ -224,7 +224,7 @@ class FlareTests: XCTestCase {
         XCTAssertTrue(iapProviderMock.invokedAddTransactionObserver)
     }
 
-    @available(iOS 15.0, *)
+    @available(iOS 15.0, tvOS 15.0, macOS 12.0, watchOS 8.0, *)
     func test_thatFlareChecksEligibility() async throws {
         // given
         iapProviderMock.stubbedCheckEligibility = [.productID: .eligible]

Tests/FlareTests/UnitTests/Models/PromotionalOfferTests.swift

@@ -0,0 +1,56 @@
+//
+// Flare
+// Copyright © 2024 Space Code. All rights reserved.
+//
+
+@testable import Flare
+import StoreKit
+import XCTest
+
+// MARK: - PromotionalOfferTests
+
+final class PromotionalOfferTests: XCTestCase {
+    @available(iOS 15.0, tvOS 15.0, watchOS 8.0, macOS 12.0, *)
+    func test_purchaseOptions() throws {
+        let option = try PromotionalOffer.SignedData.randomOffer.promotionalOffer
+        let expected: Product.PurchaseOption = .promotionalOffer(
+            offerID: PromotionalOffer.SignedData.randomOffer.identifier,
+            keyID: PromotionalOffer.SignedData.randomOffer.keyIdentifier,
+            nonce: PromotionalOffer.SignedData.randomOffer.nonce,
+            signature: Data(),
+            timestamp: PromotionalOffer.SignedData.randomOffer.timestamp
+        )
+
+        XCTAssertEqual(expected, option)
+    }
+
+    @available(iOS 15.0, tvOS 15.0, watchOS 8.0, macOS 12.0, *)
+    func test_purchaseOptionWithInvalidSignatureThrows() throws {
+        do {
+            _ = try PromotionalOffer.SignedData.invalidOffer.promotionalOffer
+        } catch {
+            let error = try XCTUnwrap(error as? IAPError)
+            XCTAssertEqual(error, IAPError.failedToDecodeSignature(signature: PromotionalOffer.SignedData.invalidOffer.signature))
+        }
+    }
+}
+
+// MARK: - Constants
+
+private extension PromotionalOffer.SignedData {
+    static let randomOffer: PromotionalOffer.SignedData = .init(
+        identifier: "identifier \(Int.random(in: 0 ..< 1000))",
+        keyIdentifier: "key identifier \(Int.random(in: 0 ..< 1000))",
+        nonce: .init(),
+        signature: "signature \(Int.random(in: 0 ..< 1000))".asData.base64EncodedString(),
+        timestamp: Int.random(in: 0 ..< 1000)
+    )
+
+    static let invalidOffer: PromotionalOffer.SignedData = .init(
+        identifier: "identifier \(Int.random(in: 0 ..< 1000))",
+        keyIdentifier: "key identifier \(Int.random(in: 0 ..< 1000))",
+        nonce: .init(),
+        signature: "signature \(Int.random(in: 0 ..< 1000))",
+        timestamp: Int.random(in: 0 ..< 1000)
+    )
+}

Tests/FlareTests/UnitTests/TestHelpers/Extensions/String+Data.swift

@@ -0,0 +1,12 @@
+//
+// Flare
+// Copyright © 2024 Space Code. All rights reserved.
+//
+
+import Foundation
+
+extension String {
+    var asData: Data {
+        Data(utf8)
+    }
+}

Tests/IntegrationTests/Flare.storekit

@@ -87,13 +87,15 @@
           "codeOffers" : [
 
           ],
-          "displayPrice" : "0.99",
+          "displayPrice" : "1.99",
           "familyShareable" : false,
           "groupNumber" : 1,
           "internalID" : "138CEE33",
           "introductoryOffer" : {
+            "displayPrice" : "0.99",
             "internalID" : "970CA16D",
-            "paymentMode" : "free",
+            "numberOfPeriods" : 1,
+            "paymentMode" : "payAsYouGo",
             "subscriptionPeriod" : "P1M"
           },
           "localizations" : [
@@ -103,7 +105,7 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "subscription_1",
+          "productID" : "com.flare.monthly_1.99_week_intro",
           "recurringSubscriptionPeriod" : "P1M",
           "referenceName" : "Subscription with Introductory Offer",
           "subscriptionGroupID" : "C3C61FEC",
@@ -128,11 +130,107 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "subscription_2",
+          "productID" : "com.flare.monthly_0.99",
           "recurringSubscriptionPeriod" : "P1M",
           "referenceName" : "Subscription Without Offers",
           "subscriptionGroupID" : "C3C61FEC",
           "type" : "RecurringSubscription"
+        },
+        {
+          "adHocOffers" : [
+            {
+              "internalID" : "479390B8",
+              "offerID" : "subscription_3_offer",
+              "paymentMode" : "free",
+              "referenceName" : "subscription_3_offer",
+              "subscriptionPeriod" : "P2W"
+            }
+          ],
+          "codeOffers" : [
+
+          ],
+          "displayPrice" : "0.99",
+          "familyShareable" : false,
+          "groupNumber" : 1,
+          "internalID" : "8D29D6BD",
+          "introductoryOffer" : null,
+          "localizations" : [
+            {
+              "description" : "",
+              "displayName" : "",
+              "locale" : "en_US"
+            }
+          ],
+          "productID" : "com.flare.monthly_1.99_two_weeks_offer.free",
+          "recurringSubscriptionPeriod" : "P1M",
+          "referenceName" : "Subscription with Promotional Offer",
+          "subscriptionGroupID" : "C3C61FEC",
+          "type" : "RecurringSubscription"
+        },
+        {
+          "adHocOffers" : [
+            {
+              "displayPrice" : "0.99",
+              "internalID" : "A05B39A3",
+              "numberOfPeriods" : 1,
+              "offerID" : "com.flare.monthly_0.99.1_week_intro",
+              "paymentMode" : "payAsYouGo",
+              "referenceName" : "com.flare.monthly_0.99.1_week_intro",
+              "subscriptionPeriod" : "P1M"
+            },
+            {
+              "displayPrice" : "1.99",
+              "internalID" : "79BD229A",
+              "offerID" : "com.flare.monthly_0.99.1_week_intro",
+              "paymentMode" : "payUpFront",
+              "referenceName" : "com.flare.monthly_0.99.1_week_intro",
+              "subscriptionPeriod" : "P1M"
+            },
+            {
+              "internalID" : "C181C3BF",
+              "offerID" : "com.flare.monthly_0.99.1_week_intro",
+              "paymentMode" : "free",
+              "referenceName" : "com.flare.monthly_0.99.1_week_intro",
+              "subscriptionPeriod" : "P1W"
+            }
+          ],
+          "codeOffers" : [
+            {
+              "displayPrice" : "0.99",
+              "eligibility" : [
+                "existing",
+                "expired",
+                "new"
+              ],
+              "internalID" : "A9D00827",
+              "isStackable" : true,
+              "paymentMode" : "payUpFront",
+              "referenceName" : "offer",
+              "subscriptionPeriod" : "P1M"
+            }
+          ],
+          "displayPrice" : "0.99",
+          "familyShareable" : false,
+          "groupNumber" : 1,
+          "internalID" : "7867CD16",
+          "introductoryOffer" : {
+            "displayPrice" : "0.99",
+            "internalID" : "0A94C45A",
+            "paymentMode" : "payUpFront",
+            "subscriptionPeriod" : "P1M"
+          },
+          "localizations" : [
+            {
+              "description" : "Subscription",
+              "displayName" : "Subscription",
+              "locale" : "en_US"
+            }
+          ],
+          "productID" : "com.flare.monthly_0.99.1_week_intro",
+          "recurringSubscriptionPeriod" : "P1M",
+          "referenceName" : "Subscription Full",
+          "subscriptionGroupID" : "C3C61FEC",
+          "type" : "RecurringSubscription"
         }
       ]
     }

Tests/IntegrationTests/Helpers/Extensions/AsyncSequence+.swift

@@ -0,0 +1,16 @@
+//
+// Flare
+// Copyright © 2024 Space Code. All rights reserved.
+//
+
+import Foundation
+
+@available(iOS 13.0, macOS 10.15, tvOS 13.0, watchOS 6.2, *)
+extension AsyncSequence {
+    /// Returns the elements of the asynchronous sequence.
+    func extractValues() async rethrows -> [Element] {
+        try await reduce(into: []) {
+            $0.append($1)
+        }
+    }
+}

Tests/IntegrationTests/Tests/ProductProviderHelper.swift → Tests/IntegrationTests/Helpers/Providers/ProductProviderHelper.swift

@@ -17,11 +17,11 @@ enum ProductProviderHelper {
 
     static var subscriptions: [StoreKit.Product] {
         get async throws {
-            try await subscriptionsWithOffers + subscriptionsWithoutOffers
+            try await subscriptionsWithIntroductoryOffer + subscriptionsWithoutOffers + subscriptonsWithOffers
         }
     }
 
-    static var subscriptionsWithOffers: [StoreKit.Product] {
+    static var subscriptionsWithIntroductoryOffer: [StoreKit.Product] {
         get async throws {
             try await StoreKit.Product.products(for: [.subscription1ID])
         }
@@ -33,25 +33,24 @@ enum ProductProviderHelper {
         }
     }
 
-//
-//    static var all: [StoreKit.Product] {
-//        get async throws {
-//            let purchases = try await self.purchases
-//            let subscriptions = try await self.subscriptions
-//
-//            return purchases + subscriptions
-//        }
-//    }
+    static var subscriptonsWithOffers: [StoreKit.Product] {
+        get async throws {
+            try await StoreKit.Product.products(for: [.subscription3ID])
+        }
+    }
 }
 
 // MARK: - Constants
 
 private extension String {
     static let testNonConsumableID = "com.flare.test_non_consumable_purchase_1"
 
-    /// The subscription's id with introductionary offer
-    static let subscription1ID = "subscription_1"
+    /// The subscription's id with introductory offer
+    static let subscription1ID = "com.flare.monthly_1.99_week_intro"
+
+    /// The subscription's id without introductory offer
+    static let subscription2ID = "com.flare.monthly_0.99"
 
-    /// The subscription's id without introductionary offer
-    static let subscription2ID = "subscription_2"
+    /// The subscription's id with promotional offer
+    static let subscription3ID = "com.flare.monthly_1.99_two_weeks_offer.free"
 }

Tests/IntegrationTests/Helpers/StoreSessionTestCase/StoreSessionTestCase.swift

@@ -1,11 +1,14 @@
 //
 // Flare
-// Copyright © 2023 Space Code. All rights reserved.
+// Copyright © 2024 Space Code. All rights reserved.
 //
 
+import Flare
 import StoreKitTest
 import XCTest
 
+// MARK: - StoreSessionTestCase
+
 @available(iOS 14.0, tvOS 14.0, macOS 11.0, watchOS 7.0, *)
 class StoreSessionTestCase: XCTestCase {
     // MARK: Properties
@@ -29,3 +32,33 @@ class StoreSessionTestCase: XCTestCase {
         super.tearDown()
     }
 }
+
+@available(iOS 14.0, tvOS 14.0, macOS 11.0, watchOS 7.0, *)
+extension StoreSessionTestCase {
+    func expireSubscription(product: StoreProduct) {
+        do {
+            try session?.expireSubscription(productIdentifier: product.productIdentifier)
+        } catch {
+            debugPrint(error.localizedDescription)
+        }
+    }
+
+    @available(iOS 15.2, tvOS 15.2, macOS 12.1, watchOS 8.3, *)
+    func findTransaction(for productIdentifier: String) async throws -> Transaction {
+        let transactions: [Transaction] = await Transaction.currentEntitlements
+            .compactMap { result in
+                switch result {
+                case let .verified(transaction):
+                    return transaction
+                case .unverified:
+                    return nil
+                }
+            }
+            .filter { (transaction: Transaction) in
+                transaction.productID == productIdentifier
+            }
+            .extractValues()
+
+        return try XCTUnwrap(transactions.first)
+    }
+}

Tests/IntegrationTests/Tests/EligibilityProviderTests.swift

@@ -6,7 +6,7 @@
 @testable import Flare
 import XCTest
 
-@available(iOS 15.0, *)
+@available(iOS 15.0, tvOS 15.0, macOS 12.0, watchOS 8.0, *)
 final class EligibilityProviderTests: StoreSessionTestCase {
     // MARK: Properties
 
@@ -39,7 +39,7 @@ final class EligibilityProviderTests: StoreSessionTestCase {
 
     func test_thatProviderReturnsEligible_whenProductHasIntroductoryOffer() async throws {
         // given
-        let product = try await ProductProviderHelper.subscriptionsWithOffers.randomElement()!
+        let product = try await ProductProviderHelper.subscriptionsWithIntroductoryOffer.randomElement()!
 
         // when
         let result = try await sut.checkEligibility(products: [StoreProduct(product: product)])