Added isMethodHEAD to swift helpers

CHANGELOG.md

@@ -1,5 +1,10 @@
 # OHHTTPStubs — CHANGELOG
 
+## [Future release]
+* Added `isMethodHEAD()` to the `Swift` helpers.  
+  [@Simon-Kaz](https://github.com/Simon-Kaz)
+  [#294](https://github.com/AliSoftware/OHHTTPStubs/pull/294)
+
 ## [6.1.0](https://github.com/AliSoftware/OHHTTPStubs/releases/tag/6.1.0)
 
 * Updated deployment target for the pod to 7.0 to remove warning for old APIs.  

OHHTTPStubs/Sources/Swift/OHHTTPStubsSwift.swift

@@ -163,6 +163,16 @@ public func isMethodDELETE() -> OHHTTPStubsTestBlock {
   return { $0.httpMethod == "DELETE" }
 }
 
+/**
+ * Matcher testing that the `NSURLRequest` is using the **HEAD** `HTTPMethod`
+ *
+ * - Returns: a matcher (OHHTTPStubsTestBlock) that succeeds only if the request
+ *            is using the HEAD method
+ */
+public func isMethodHEAD() -> OHHTTPStubsTestBlock {
+    return { $0.httpMethod == "HEAD" }
+}
+
 /**
  * Matcher for testing an `NSURLRequest`'s **absolute url string**.
  *

OHHTTPStubs/UnitTests/Test Suites/SwiftHelpersTests.swift

@@ -35,8 +35,8 @@ import XCTest
 class SwiftHelpersTests : XCTestCase {
 
   func testHTTPMethod() {
-    let methods = ["GET", "PUT", "PATCH", "POST", "DELETE", "FOO"]
-    let matchers = [isMethodGET(), isMethodPUT(), isMethodPATCH(), isMethodPOST(), isMethodDELETE()]
+    let methods = ["GET", "PUT", "PATCH", "POST", "DELETE", "HEAD", "FOO"]
+    let matchers = [isMethodGET(), isMethodPUT(), isMethodPATCH(), isMethodPOST(), isMethodDELETE(), isMethodHEAD()]
 
     for (idxMethod, method) in methods.enumerated() {
 #if swift(>=3.0)