rename argment progressHandler to completionHandler in SessionAdapter protocol.

Author: taish

Sources/APIKit/Session.swift

@@ -72,7 +72,7 @@ open class Session {
             progressHandler: { bytesSent, totalBytesSent, totalBytesExpectedToSend in
                 progressHandler(bytesSent, totalBytesSent, totalBytesExpectedToSend)
             },
-            handler: { data, urlResponse, error in
+            completionHandler: { data, urlResponse, error in
                 let result: Result<Request.Response, SessionTaskError>
 
                 switch (data, urlResponse, error) {

Sources/APIKit/SessionAdapter/SessionAdapter.swift

@@ -11,7 +11,7 @@ public protocol SessionTask: class {
 /// with `Session`.
 public protocol SessionAdapter {
     /// Returns instance that conforms to `SessionTask`. `handler` must be called after success or failure.
-    func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, handler: @escaping (Data?, URLResponse?, Error?) -> Void) -> SessionTask
+    func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, completionHandler: @escaping (Data?, URLResponse?, Error?) -> Void) -> SessionTask
 
     /// Collects tasks from backend networking stack. `handler` must be called after collecting.
     func getTasks(with handler: @escaping ([SessionTask]) -> Void)

Sources/APIKit/SessionAdapter/URLSessionAdapter.swift

@@ -26,11 +26,11 @@ open class URLSessionAdapter: NSObject, SessionAdapter, URLSessionDelegate, URLS
     }
 
     /// Creates `URLSessionDataTask` instance using `dataTaskWithRequest(_:completionHandler:)`.
-    open func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, handler: @escaping (Data?, URLResponse?, Error?) -> Void) -> SessionTask {
+    open func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, completionHandler: @escaping (Data?, URLResponse?, Error?) -> Void) -> SessionTask {
         let task = urlSession.dataTask(with: URLRequest)
 
         setBuffer(NSMutableData(), forTask: task)
-        setHandler(handler, forTask: task)
+        setHandler(completionHandler, forTask: task)
         setProgressHandler(progressHandler, forTask: task)
 
         return task

Tests/APIKitTests/TestComponents/TestSessionAdapter.swift

@@ -50,8 +50,8 @@ class TestSessionAdapter: SessionAdapter {
         tasks = []
     }
 
-    func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, handler: @escaping (Data?, URLResponse?, Swift.Error?) -> Void) -> SessionTask {
-        let task = TestSessionTask(progressHandler: progressHandler, handler: handler)
+    func createTask(with URLRequest: URLRequest, progressHandler: @escaping (Int64, Int64, Int64) -> Void, completionHandler: @escaping (Data?, URLResponse?, Swift.Error?) -> Void) -> SessionTask {
+        let task = TestSessionTask(progressHandler: progressHandler, handler: completionHandler)
         tasks.append(task)
 
         return task