add prune and remove unused packages

vendor/golang.org/x/net/context/ctxhttp/ctxhttp_test.go

@@ -1,117 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !plan9
-
-package ctxhttp
-
-import (
-	"context"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-	"time"
-)
-
-func TestGo17Context(t *testing.T) {
-	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		io.WriteString(w, "ok")
-	}))
-	defer ts.Close()
-	ctx := context.Background()
-	resp, err := Get(ctx, http.DefaultClient, ts.URL)
-	if resp == nil || err != nil {
-		t.Fatalf("error received from client: %v %v", err, resp)
-	}
-	resp.Body.Close()
-}
-
-const (
-	requestDuration = 100 * time.Millisecond
-	requestBody     = "ok"
-)
-
-func okHandler(w http.ResponseWriter, r *http.Request) {
-	time.Sleep(requestDuration)
-	io.WriteString(w, requestBody)
-}
-
-func TestNoTimeout(t *testing.T) {
-	ts := httptest.NewServer(http.HandlerFunc(okHandler))
-	defer ts.Close()
-
-	ctx := context.Background()
-	res, err := Get(ctx, nil, ts.URL)
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer res.Body.Close()
-	slurp, err := ioutil.ReadAll(res.Body)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if string(slurp) != requestBody {
-		t.Errorf("body = %q; want %q", slurp, requestBody)
-	}
-}
-
-func TestCancelBeforeHeaders(t *testing.T) {
-	ctx, cancel := context.WithCancel(context.Background())
-
-	blockServer := make(chan struct{})
-	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		cancel()
-		<-blockServer
-		io.WriteString(w, requestBody)
-	}))
-	defer ts.Close()
-	defer close(blockServer)
-
-	res, err := Get(ctx, nil, ts.URL)
-	if err == nil {
-		res.Body.Close()
-		t.Fatal("Get returned unexpected nil error")
-	}
-	if err != context.Canceled {
-		t.Errorf("err = %v; want %v", err, context.Canceled)
-	}
-}
-
-func TestCancelAfterHangingRequest(t *testing.T) {
-	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.WriteHeader(http.StatusOK)
-		w.(http.Flusher).Flush()
-		<-w.(http.CloseNotifier).CloseNotify()
-	}))
-	defer ts.Close()
-
-	ctx, cancel := context.WithCancel(context.Background())
-	resp, err := Get(ctx, nil, ts.URL)
-	if err != nil {
-		t.Fatalf("unexpected error in Get: %v", err)
-	}
-
-	// Cancel befer reading the body.
-	// Reading Request.Body should fail, since the request was
-	// canceled before anything was written.
-	cancel()
-
-	done := make(chan struct{})
-
-	go func() {
-		b, err := ioutil.ReadAll(resp.Body)
-		if len(b) != 0 || err == nil {
-			t.Errorf(`Read got (%q, %v); want ("", error)`, b, err)
-		}
-		close(done)
-	}()
-
-	select {
-	case <-time.After(1 * time.Second):
-		t.Errorf("Test timed out")
-	case <-done:
-	}
-}