Added unit tests to assert parameters received via channel.

Author: yasirfolio3

ios/Classes/HelperClasses/Constants.swift

@@ -21,8 +21,6 @@ struct API {
     static let getOptimizelyConfig = "getOptimizelyConfig"
     static let activate = "activate"
     static let getVariation = "getVariation"
-    static let setForcedVariation = "setForcedVariation"
-    static let getForcedVariation = "getForcedVariation"
     static let createUserContext = "createUserContext"
     static let setAttributes = "setAttributes"
     static let trackEvent = "trackEvent"

ios/Classes/SwiftOptimizelyFlutterSdkPlugin.swift

@@ -53,8 +53,6 @@ public class SwiftOptimizelyFlutterSdkPlugin: NSObject, FlutterPlugin {
         case API.getOptimizelyConfig: getOptimizelyConfig(call, result: result)
         case API.activate: activate(call, result: result)
         case API.getVariation: getVariation(call, result: result)
-        case API.setForcedVariation: setForcedVariation(call, result: result)
-        case API.getForcedVariation: getForcedVariation(call, result: result)
         case API.createUserContext: createUserContext(call, result: result)
         case API.setAttributes: setAttributes(call, result: result)
         case API.trackEvent: trackEvent(call, result: result)
@@ -239,44 +237,6 @@ public class SwiftOptimizelyFlutterSdkPlugin: NSObject, FlutterPlugin {
         }
     }
 
-    /// Set forced variation for experiment and user ID to variationKey.
-    ///
-    func setForcedVariation(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        guard let optimizelyClient = getOptimizelyClient(arguments: call.arguments) else {
-            result(self.createResponse(success: false, reason: ErrorMessage.optlyClientNotFound))
-            return
-        }
-        
-        guard let parameters = call.arguments as? Dictionary<String, Any?>, let experimentKey = parameters[RequestParameterKey.experimentKey] as? String, let userId = parameters[RequestParameterKey.userId] as? String else {
-            result(createResponse(success: false, reason: ErrorMessage.invalidParameters))
-            return
-        }
-        let variationKey = parameters[RequestParameterKey.variationKey] as? String
-        let success = optimizelyClient.setForcedVariation(experimentKey: experimentKey, userId: userId, variationKey: variationKey)
-        result(self.createResponse(success: success))
-    }
-    
-    /// Get forced variation for experiment and user ID.
-    ///
-    func getForcedVariation(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-        guard let optimizelyClient = getOptimizelyClient(arguments: call.arguments) else {
-            result(self.createResponse(success: false, reason: ErrorMessage.optlyClientNotFound))
-            return
-        }
-        
-        guard let parameters = call.arguments as? Dictionary<String, Any?>, let experimentKey = parameters[RequestParameterKey.experimentKey] as? String, let userId = parameters[RequestParameterKey.userId] as? String else {
-            result(createResponse(success: false, reason: ErrorMessage.invalidParameters))
-            return
-        }
-        if let variationKey = optimizelyClient.getForcedVariation(experimentKey: experimentKey, userId: userId) {
-            result(self.createResponse(success: true, result: [RequestParameterKey.variationKey: variationKey]))
-            return
-        }
-        result(self.createResponse(success: false))
-    }
-
-
-    
     /// Creates a context of the user for which decision APIs will be called.
     /// A user context will only be created successfully when the SDK is fully configured using initializeClient.
     func createUserContext(_ call: FlutterMethodCall, result: @escaping FlutterResult) {

lib/optimizely_flutter_sdk.dart

@@ -93,20 +93,6 @@ class OptimizelyFlutterSdk {
         _sdkKey, experimentKey, userId, attributes);
   }
 
-  /// Get forced variation for experiment and user ID.
-  Future<GetForcedDecisionResponse> getForcedVariation(
-      String experimentKey, String userId) async {
-    return await OptimizelyClientWrapper.getForcedVariation(
-        _sdkKey, experimentKey, userId);
-  }
-
-  /// Set forced variation for experiment and user ID to variationKey.
-  Future<BaseResponse> setForcedVariation(String experimentKey, String userId,
-      [String variationKey = ""]) async {
-    return await OptimizelyClientWrapper.setForcedVariation(
-        _sdkKey, experimentKey, userId, variationKey);
-  }
-
   /// Returns a snapshot of the current project configuration.
   Future<OptimizelyConfigResponse> getOptimizelyConfig() async {
     return await OptimizelyClientWrapper.getOptimizelyConfig(_sdkKey);

lib/src/optimizely_client_wrapper.dart

@@ -110,35 +110,6 @@ class OptimizelyClientWrapper {
     return GetForcedDecisionResponse(result);
   }
 
-  /// Get forced variation for experiment and user ID.
-  static Future<GetForcedDecisionResponse> getForcedVariation(
-      String sdkKey, String experimentKey, String userId) async {
-    final result = Map<String, dynamic>.from(
-        await _channel.invokeMethod(Constants.getForcedVariation, {
-      Constants.sdkKey: sdkKey,
-      Constants.experimentKey: experimentKey,
-      Constants.userID: userId,
-    }));
-    return GetForcedDecisionResponse(result);
-  }
-
-  /// Set forced variation for experiment and user ID to variationKey.
-  static Future<BaseResponse> setForcedVariation(
-      String sdkKey, String experimentKey, String userId,
-      [String variationKey = ""]) async {
-    Map<String, dynamic> request = {
-      Constants.sdkKey: sdkKey,
-      Constants.experimentKey: experimentKey,
-      Constants.userID: userId,
-    };
-    if (variationKey != "") {
-      request[Constants.variationKey] = variationKey;
-    }
-    final result = Map<String, dynamic>.from(
-        await _channel.invokeMethod(Constants.setForcedVariation, request));
-    return BaseResponse(result);
-  }
-
   /// Returns a snapshot of the current project configuration.
   static Future<OptimizelyConfigResponse> getOptimizelyConfig(
       String sdkKey) async {