ADD support for injecting headerFields into Request

Author: nacevmihail

GirdersSwift.podspec

@@ -1,12 +1,12 @@
 Pod::Spec.new do |s|
   s.name     = 'GirdersSwift'
-  s.version = '0.7.1'
+  s.version = '0.7.2'
   s.summary  = 'Girders for iOS, written in Swift.'
   s.homepage = 'https://www.netcetera.com'
   s.author   = 'Netcetera'
   s.description = 'A library that reduces development time for iOS Swift applications.'
   s.platform = :ios, '11.0'
-  s.source = { :git => 'https://github.com/netceteragroup/GirdersSwift.git', :tag => '0.7.1' }
+  s.source = { :git => 'https://github.com/netceteragroup/GirdersSwift.git', :tag => '0.7.2' }
   s.requires_arc = true
   s.swift_version = "5.0"
   s.module_name = 'GirdersSwift'

Sources/GirdersSwift/http/Request.swift

@@ -73,11 +73,13 @@ public struct Request: Equatable {
                 method: HTTPMethod,
                 parameters: [String: Any],
                 queryParameters: [String: Any] = [:],
+                additionalHeaders: [String: String] = [:],
                 requestGenerator: RequestGenerator) {
         var mutableRequest = requestGenerator.generateRequest(withMethod: method)
         mutableRequest.updateParameters(parameters: parameters)
         mutableRequest.updateQueryParameters(parameters: queryParameters)
-        
+        mutableRequest.updateHTTPHeaderFields(headerFields: additionalHeaders)
+
         if method == .GET && mutableRequest.queryString != nil {
             if let queryString = URL.appendQueryString(queryString: mutableRequest.queryString!) {
                 self.url = queryString

Tests/GirdersSwiftTests/swift/http/TestRequest.swift

@@ -42,6 +42,44 @@ class TestRequest: XCTestCase {
         XCTAssertNotNil(request)
     }
 
+    func testRequestWithAdditionalHeaders() {
+        // Given
+        let url = URL(string: "https://www.example.com/api")!
+        let method: HTTPMethod = .GET
+        let parameters: [String : Any] = [:]
+        let additionalHeaders: [String: String] = ["User-Agent": "MyApp/1.0"]
+
+        // When
+        let request = Request(URL: url,
+                              method: method,
+                              parameters: parameters,
+                              additionalHeaders: additionalHeaders,
+                              requestGenerator: mockGenerator)
+        let sortedHeaderFields = request.headerFields.sorted { $0.key < $1.key }
+        let sortedDictionary = Dictionary(uniqueKeysWithValues: sortedHeaderFields)
+
+        // Then
+        XCTAssertEqual(sortedDictionary, ["Accept": "application/json", "User-Agent": "MyApp/1.0"])
+    }
+
+    func testRequestWithoutAdditionalHeaders() {
+        // Given
+        let url = URL(string: "https://www.example.com/api")!
+        let method: HTTPMethod = .GET
+        let parameters: [String : Any] = [:]
+
+        // When
+        let request = Request(URL: url,
+                              method: method,
+                              parameters: parameters,
+                              requestGenerator: mockGenerator)
+        let sortedHeaderFields = request.headerFields.sorted { $0.key < $1.key }
+        let sortedDictionary = Dictionary(uniqueKeysWithValues: sortedHeaderFields)
+
+        // Then
+        XCTAssertEqual(sortedDictionary, ["Accept": "application/json"])
+    }
+
     /**
          Testing == operator, when Requests are equal
     */