adds unit tests and slight refactor

Author: [email protected]

swift-sdk/Internal/InternalIterableAPI.swift

@@ -78,6 +78,12 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
         self.dependencyContainer.createAuthManager(config: self.config)
     }()
 
+    var apiEndPoint: String {
+        get {
+            _apiEndPoint
+        }
+    }
+    
     // MARK: - SDK Functions
 
     @discardableResult func handleUniversalLink(_ url: URL) -> Bool {
@@ -400,7 +406,7 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
     // MARK: - Private/Internal
 
     private var config: IterableConfig
-    private var apiEndPoint: String
+    private var _apiEndPoint: String
 
     /// Following are needed for handling pending notification and deep link.
     static var pendingNotificationResponse: NotificationResponseProtocol?
@@ -555,7 +561,7 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
         }
     }
 
-    private static func getApiEndpoint(apiEndPointOverride: String?, config: IterableConfig) -> String {
+    private static func setApiEndpoint(apiEndPointOverride: String?, config: IterableConfig) -> String {
         let apiEndPoint = config.dataRegion
         return apiEndPointOverride ?? apiEndPoint
     }
@@ -570,7 +576,7 @@ final class InternalIterableAPI: NSObject, PushTrackerProtocol, AuthProvider {
         self.apiKey = apiKey
         self.launchOptions = launchOptions
         self.config = config
-        apiEndPoint = InternalIterableAPI.getApiEndpoint(apiEndPointOverride: apiEndPointOverride, config: config)
+        _apiEndPoint = InternalIterableAPI.setApiEndpoint(apiEndPointOverride: apiEndPointOverride, config: config)
         self.dependencyContainer = dependencyContainer
         dateProvider = dependencyContainer.dateProvider
         networkSession = dependencyContainer.networkSession

tests/unit-tests/IterableAPITests.swift

@@ -11,6 +11,8 @@ class IterableAPITests: XCTestCase {
     private static let apiKey = "zeeApiKey"
     private static let email = "[email protected]"
     private static let userId = "testUserId"
+    private static let apiEndPointUS = "https://api.iterable.com"
+    private static let apiEndPointEU = "https://api.eu.iterable.com"
 
     override func setUp() {
         super.setUp()
@@ -34,6 +36,32 @@ class IterableAPITests: XCTestCase {
         XCTAssertEqual(internalAPI.apiKey, IterableAPITests.apiKey)
     }
 
+    func testInitializeWithDefaultDataRegion() {
+        let prodIntegrationName = "the-best-app-ever"
+
+        let config = IterableConfig()
+        config.pushIntegrationName = prodIntegrationName
+        config.inAppDisplayInterval = 1.0
+        config.dataRegion = IterableDataRegion.US
+
+        let internalAPI = InternalIterableAPI.initializeForTesting(apiKey: IterableAPITests.apiKey, config: config)
+
+        XCTAssertEqual(internalAPI.apiEndPoint, IterableAPITests.apiEndPointUS)
+    }
+    
+    func testInitializeWithEUDataRegion() {
+        let prodIntegrationName = "the-best-app-ever"
+
+        let config = IterableConfig()
+        config.pushIntegrationName = prodIntegrationName
+        config.inAppDisplayInterval = 1.0
+        config.dataRegion = IterableDataRegion.EU
+
+        let internalAPI = InternalIterableAPI.initializeForTesting(apiKey: IterableAPITests.apiKey, config: config)
+
+        XCTAssertEqual(internalAPI.apiEndPoint, IterableAPITests.apiEndPointEU)
+    }
+    
     func testInitializeCheckEndpoint() {
         let expectation1 = XCTestExpectation(description: "api endpoint called")