Merge pull request #61 from algolia/test/dns-timeout

Add test case for DNS resolution time-out

Author: Clément Le Provost

Tests/IndexTests.swift

@@ -914,4 +914,21 @@ class IndexTests: XCTestCase {
         })
         waitForExpectationsWithTimeout(expectationTimeout, handler: nil)
     }
+    
+    func testDNSTimeout() {
+        let expectation = expectationWithDescription(#function)
+
+        // The DNS lookup for any host in the `algolia.biz` domain will time-out.
+        // We generate a new host name every time to avoid any cache effect.
+        client.readHosts[0] = "swift-\(UInt32(NSDate().timeIntervalSince1970)).algolia.biz"
+        
+        client.listIndexes({
+            (content, error) -> Void in
+            if error != nil {
+                XCTFail(error!.description)
+            }
+            expectation.fulfill()
+        })
+        waitForExpectationsWithTimeout(expectationTimeout, handler: nil)
+    }
 }