Feat: Request 함수 테스트 메소드를 추가하였습니다. (#4)

Author: SangHwi-Back

Client/iOS/TodoList/Network/CardHTTPRequest.swift

@@ -44,6 +44,38 @@ class CardHTTPRequest: SessionConfiguration {
         }
     }
 
+    func doGetRequest(parameter: [String:String]?, completionHandler: @escaping (Data?)->Void) {
+        guard let url = URL(string: urlString) else {
+            completionHandler(nil)
+            return
+        }
+        
+        var queryItems = [URLQueryItem]()
+        if let parameter = parameter {
+            for param in parameter {
+                queryItems.append(URLQueryItem(name: param.key, value: param.value))
+            }
+        }
+        var urlComp = URLComponents(url: url, resolvingAgainstBaseURL: false)
+        urlComp?.queryItems = queryItems
+        
+        if let url = urlComp?.url {
+            urlString = url.absoluteString
+            getCurrentRequestHandler { request in
+                self.session.dataTask(with: request) { data, response, error in
+                    guard let data = data else {
+                        completionHandler(nil)
+                        return
+                    }
+                    
+                    completionHandler(data)
+                }.resume()
+            }
+        } else {
+            completionHandler(nil)
+        }
+    }
+    
     /// HTTP POST 요청을 보냅니다.
     ///
     /// - url: Request를 보낼 URL입니다.
@@ -61,4 +93,17 @@ class CardHTTPRequest: SessionConfiguration {
             }.resume()
         }
     }
+    
+    func doPostRequest(_ paramData: Data? = nil, completionHandler: @escaping (Data?)->Void) {
+        getCurrentRequestHandler { request in
+            self.session.uploadTask(with: request, from: paramData) { data, response, error in
+                guard let data = data else {
+                    completionHandler(nil)
+                    return
+                }
+                
+                completionHandler(data)
+            }.resume()
+        }
+    }
 }

Client/iOS/TodoList/Network/SessionConfiguration.swift

@@ -17,7 +17,12 @@ import Foundation
 class SessionConfiguration: SessionCommonAttributes {
 
     private(set) var session: URLSession
-    let config = URLSessionConfiguration.default
+    var config = URLSessionConfiguration.default {
+        didSet {
+            resetSession()
+        }
+    }
+    
     var networkServiceType: NSURLRequest.NetworkServiceType
     {
         didSet {

Client/iOS/TodoListTests/CardAPITests.swift

@@ -0,0 +1,59 @@
+//
+//  CardAPITests.swift
+//  TodoListTests
+//
+//  Created by 백상휘 on 2022/04/06.
+//
+
+import XCTest
+@testable import TodoList
+
+class CardAPITests: XCTestCase {
+
+    let httpRequest = CardHTTPRequest(
+        as: "https://www.naver.com",
+        using: nil,
+        in: OperationQueue.main,
+        type: .default
+    )
+    
+    func testConnectionInterface() throws {
+        
+        // 현재 API가 전달되지 않아서 URLProtocol로 대신합니다.
+        httpRequest?.config.protocolClasses = [MockURLProtocol.self]
+        
+        let expectation = XCTestExpectation(description: "Wait")
+        httpRequest?.doGetRequest(parameter: nil, completionHandler: { data in
+            expectation.fulfill()
+            guard let data = data else {
+                XCTFail("doGetRequest Failed")
+                return
+            }
+            print(data)
+        })
+        
+        wait(for: [expectation], timeout: 3.0)
+    }
+}
+
+class MockURLProtocol: URLProtocol {
+    var requestHandler: ((URLRequest) throws -> (HTTPURLResponse, Data)) = { request in
+        let encoder = JSONEncoder()
+        guard let data = try? encoder.encode(["objectKey":"randomKey"]) else {
+            XCTFail("URLProtocol handler Failed")
+            throw NSError()
+        }
+        return (HTTPURLResponse(), data)
+    }
+
+    override func startLoading() {
+        do {
+            let (response, data) = try requestHandler(request)
+            client?.urlProtocol(self, didReceive: response, cacheStoragePolicy: .notAllowed)
+            client?.urlProtocol(self, didLoad: data)
+            client?.urlProtocolDidFinishLoading(self)
+        } catch {
+            client?.urlProtocol(self, didFailWithError: error)
+        }
+    }
+}