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// Copyright 2014 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.
// Tests of internal functions and things with no better homes.
package http
import (
"bytes"
"internal/testenv"
"os/exec"
"reflect"
"testing"
)
func TestForeachHeaderElement(t *testing.T) {
tests := []struct {
in string
want []string
}{
{"Foo", []string{"Foo"}},
{" Foo", []string{"Foo"}},
{"Foo ", []string{"Foo"}},
{" Foo ", []string{"Foo"}},
{"foo", []string{"foo"}},
{"anY-cAsE", []string{"anY-cAsE"}},
{"", nil},
{",,,, , ,, ,,, ,", nil},
{" Foo,Bar, Baz,lower,,Quux ", []string{"Foo", "Bar", "Baz", "lower", "Quux"}},
}
for _, tt := range tests {
var got []string
foreachHeaderElement(tt.in, func(v string) {
got = append(got, v)
})
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("foreachHeaderElement(%q) = %q; want %q", tt.in, got, tt.want)
}
}
}
func TestCleanHost(t *testing.T) {
tests := []struct {
in, want string
}{
{"www.google.com", "www.google.com"},
{"www.google.com foo", "www.google.com"},
{"www.google.com/foo", "www.google.com"},
{" first character is a space", ""},
}
for _, tt := range tests {
got := cleanHost(tt.in)
if tt.want != got {
t.Errorf("cleanHost(%q) = %q, want %q", tt.in, got, tt.want)
}
}
}
// Test that cmd/go doesn't link in the HTTP server.
//
// This catches accidental dependencies between the HTTP transport and
// server code.
func TestCmdGoNoHTTPServer(t *testing.T) {
goBin := testenv.GoToolPath(t)
out, err := exec.Command("go", "tool", "nm", goBin).CombinedOutput()
if err != nil {
t.Fatalf("go tool nm: %v: %s", err, out)
}
wantSym := map[string]bool{
// Verify these exist: (sanity checking this test)
"net/http.(*Client).Get": true,
"net/http.(*Transport).RoundTrip": true,
// Verify these don't exist:
"net/http.http2Server": false,
"net/http.(*Server).Serve": false,
"net/http.(*ServeMux).ServeHTTP": false,
"net/http.DefaultServeMux": false,
}
for sym, want := range wantSym {
got := bytes.Contains(out, []byte(sym))
if !want && got {
t.Errorf("cmd/go unexpectedly links in HTTP server code; found symbol %q in cmd/go", sym)
}
if want && !got {
t.Errorf("expected to find symbol %q in cmd/go; not found", sym)
}
}
}
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