Minor refactoring

SignalServiceKit/src/Loki/API/HTTP/HTTP.swift

@@ -56,7 +56,11 @@ internal enum HTTP {
             request.timeoutInterval = timeout
             let task = urlSession.dataTask(with: request) { data, response, error in
                 guard let data = data, let response = response as? HTTPURLResponse else {
-                    print("[Loki] \(verb.rawValue) request to \(url) failed.")
+                    if let error = error {
+                        print("[Loki] \(verb.rawValue) request to \(url) failed due to error: \(error).")
+                    } else {
+                        print("[Loki] \(verb.rawValue) request to \(url) failed.")
+                    }
                     return seal.reject(error ?? Error.generic)
                 }
                 if let error = error {

SignalServiceKit/src/Loki/API/Onion Requests/OnionRequestAPITests.swift

@@ -25,19 +25,19 @@ class OnionRequestAPITests : XCTestCase {
                     seal.fulfill(())
                 }.catch(on: OnionRequestAPI.workQueue) { error in
                     if case GCM.Error.fail = error {
-                        print("[Loki] [Onion Request API] Onion request failed due a decryption error.")
+                        print("[Loki] [Onion Request API] Onion request failed due to a decryption error.")
                     } else {
                         print("[Loki] [Onion Request API] Onion request failed due to error: \(error).")
                     }
                     seal.reject(error)
                 }.finally(on: OnionRequestAPI.workQueue) {
-                    let currentSuccessRate = min((100 * Double(successCount))/Double(testCount), 100)
+                    let currentSuccessRate = min((100 * Double(successCount)) / Double(testCount), 100)
-                    print("[Loki] [Onion Request API] Current onion request succes rate: \(String(format: "%.1f", currentSuccessRate))%.")
+                    print("[Loki] [Onion Request API] Current onion request success rate: \(String(format: "%.1f", currentSuccessRate))%.")
                 }
                 return promise
             }
             when(resolved: promises).done(on: OnionRequestAPI.workQueue) { _ in
-                totalSuccessRate = min((100 * Double(successCount))/Double(testCount), 100)
+                totalSuccessRate = min((100 * Double(successCount)) / Double(testCount), 100)
                 semaphore.signal()
             }
         }.catch(on: OnionRequestAPI.workQueue) { error in
@@ -45,7 +45,7 @@ class OnionRequestAPITests : XCTestCase {
             semaphore.signal()
         }
         semaphore.wait()
-        print("[Loki] [Onion Request API] Total onion request succes rate: \(String(format: "%.1f", totalSuccessRate))%.")
+        print("[Loki] [Onion Request API] Total onion request success rate: \(String(format: "%.1f", totalSuccessRate))%.")
         XCTAssert(totalSuccessRate >= 90)
     }