16347: Update test case to use context instead of CloseNotifier.

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>

diff --git a/services/keepstore/handler_test.go b/services/keepstore/handler_test.go
index cbb7f38bb14100468710b74f68d28e6513b6f4d7..d545bde0ab9193151b655328d3323f01932a2b19 100644 (file)
--- a/services/keepstore/handler_test.go
+++ b/services/keepstore/handler_test.go
@@ -1154,15 +1154,6 @@ func (s *HandlerSuite) TestPutHandlerNoBufferleak(c *check.C) {
        }
 }
 
-type notifyingResponseRecorder struct {
-       *httptest.ResponseRecorder
-       closer chan bool
-}
-
-func (r *notifyingResponseRecorder) CloseNotify() <-chan bool {
-       return r.closer
-}
-
 func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) {
        s.cluster.Collections.BlobSigning = false
        c.Assert(s.handler.setup(context.Background(), s.cluster, "", prometheus.NewRegistry(), testServiceURL), check.IsNil)
@@ -1173,23 +1164,15 @@ func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) {
        bufs = newBufferPool(ctxlog.TestLogger(c), 1, BlockSize)
        defer bufs.Put(bufs.Get(BlockSize))
 
-       if err := s.handler.volmgr.AllWritable()[0].Put(context.Background(), TestHash, TestBlock); err != nil {
-               c.Error(err)
-       }
-
-       resp := &notifyingResponseRecorder{
-               ResponseRecorder: httptest.NewRecorder(),
-               closer:           make(chan bool, 1),
-       }
-       if _, ok := http.ResponseWriter(resp).(http.CloseNotifier); !ok {
-               c.Fatal("notifyingResponseRecorder is broken")
-       }
-       // If anyone asks, the client has disconnected.
-       resp.closer <- true
+       err := s.handler.volmgr.AllWritable()[0].Put(context.Background(), TestHash, TestBlock)
+       c.Assert(err, check.IsNil)
 
+       resp := httptest.NewRecorder()
        ok := make(chan struct{})
        go func() {
-               req, _ := http.NewRequest("GET", fmt.Sprintf("/%s+%d", TestHash, len(TestBlock)), nil)
+               ctx, cancel := context.WithCancel(context.Background())
+               req, _ := http.NewRequestWithContext(ctx, "GET", fmt.Sprintf("/%s+%d", TestHash, len(TestBlock)), nil)
+               cancel()
                s.handler.ServeHTTP(resp, req)
                ok <- struct{}{}
        }()
@@ -1200,7 +1183,7 @@ func (s *HandlerSuite) TestGetHandlerClientDisconnect(c *check.C) {
        case <-ok:
        }
 
-       ExpectStatusCode(c, "client disconnect", http.StatusServiceUnavailable, resp.ResponseRecorder)
+       ExpectStatusCode(c, "client disconnect", http.StatusServiceUnavailable, resp)
        for i, v := range s.handler.volmgr.AllWritable() {
                if calls := v.Volume.(*MockVolume).called["GET"]; calls != 0 {
                        c.Errorf("volume %d got %d calls, expected 0", i, calls)