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author | Emmanuel Odeke <emm.odeke@gmail.com> | 2017-04-21 11:49:19 -0600 |
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committer | Brad Fitzpatrick <bradfitz@golang.org> | 2017-05-24 04:34:52 +0000 |
commit | 3b69c3bbed7f49eb2f69729c8edbe8fe2b6cc40a (patch) | |
tree | 8c6cd481469ffa98cdb67dff08e910dae9c3abee /src/net/http/httputil/reverseproxy_test.go | |
parent | 88a235042df2d8344bb4f49a8bfc1642b2cbf37b (diff) | |
download | go-3b69c3bbed7f49eb2f69729c8edbe8fe2b6cc40a.tar.gz go-3b69c3bbed7f49eb2f69729c8edbe8fe2b6cc40a.zip |
net/http: deep copy Request.URL also in Request.WithContext's copy
Despite the previously known behavior of Request.WithContext
shallow copying a request, usage of the request inside server.ServeHTTP
mutates the request's URL. This CL implements deep copying of the URL.
Fixes #20068
Change-Id: I86857d7259e23ac624d196401bf12dde401c42af
Reviewed-on: https://go-review.googlesource.com/41308
Run-TryBot: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/net/http/httputil/reverseproxy_test.go')
-rw-r--r-- | src/net/http/httputil/reverseproxy_test.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/net/http/httputil/reverseproxy_test.go b/src/net/http/httputil/reverseproxy_test.go index 04ac6b4059..57503cc896 100644 --- a/src/net/http/httputil/reverseproxy_test.go +++ b/src/net/http/httputil/reverseproxy_test.go @@ -698,3 +698,41 @@ func BenchmarkServeHTTP(b *testing.B) { proxy.ServeHTTP(w, r) } } + +func TestServeHTTPDeepCopy(t *testing.T) { + backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + w.Write([]byte("Hello Gopher!")) + })) + defer backend.Close() + backendURL, err := url.Parse(backend.URL) + if err != nil { + t.Fatal(err) + } + + type result struct { + before, after string + } + + resultChan := make(chan result, 1) + proxyHandler := NewSingleHostReverseProxy(backendURL) + frontend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { + before := r.URL.String() + proxyHandler.ServeHTTP(w, r) + after := r.URL.String() + resultChan <- result{before: before, after: after} + })) + defer frontend.Close() + + want := result{before: "/", after: "/"} + + res, err := frontend.Client().Get(frontend.URL) + if err != nil { + t.Fatalf("Do: %v", err) + } + res.Body.Close() + + got := <-resultChan + if got != want { + t.Errorf("got = %+v; want = %+v", got, want) + } +} |