Getting Alamofire and OHHTTPStubsWorking together
<p>I am trying to setup OHHTTPStubs to work with Alamofire for my unit tests but they always seem to load from the live network when using Alamofire.  I have turned off using a host application in the test target and have made sure that OHHTTPStubs gets used first.</p>

<p>Here is a sample test where the results loaded from Alamofire are from the live network:</p>

<pre><code>import XCTest
import OHHTTPStubs
import Alamofire

@testable import TestAlamoFireStubs

class TestAlamoFireStubsTests: XCTestCase {

    let responseText = "{'data':'val'}"

    override func setUp() {
        super.setUp()
        stub(isHost("httpbin.org")) {request -&gt; OHHTTPStubsResponse in
            let stubData = self.responseText.dataUsingEncoding(NSUTF8StringEncoding)
            return OHHTTPStubsResponse(data:stubData!, statusCode:200, headers:nil)
        }
    }

    func testNSURLSession(){
        let expectation = expectationWithDescription("Check NSURLSession")
        let url = NSURL(string:"https://httpbin.org/get")
        let dataTask = NSURLSession.sharedSession().dataTaskWithURL(url!){ data, response, error in
            let responseString = NSString(data:data!, encoding:NSUTF8StringEncoding) as? String
            XCTAssertEqual(responseString, self.responseText) // succeeds
            expectation.fulfill()
        }
        dataTask.resume()
        waitForExpectationsWithTimeout(10, handler:nil)
    }

    func testAlamofire() {
        let expectation = expectationWithDescription("Check Alamofire")
        Alamofire.request(.GET, "https://httpbin.org/get").response{ request, response, data, error in
            let responseString = NSString(data:data!, encoding:NSUTF8StringEncoding) as? String
            XCTAssertEqual(responseString, self.responseText) // fails
            expectation.fulfill()
        }
        waitForExpectationsWithTimeout(10, handler:nil)
    }
}
</code></pre>

<p>And a link to a sample project:
<a href="https://www.dropbox.com/s/b0qdvjpk8t6r525/TestAlamoFireStubs.zip" rel="nofollow">https://www.dropbox.com/s/b0qdvjpk8t6r525/TestAlamoFireStubs.zip</a></p>