libgo/go/net/http/cgi/matryoshka_test.go

   1 // Copyright 2011 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 // Tests a Go CGI program running under a Go CGI host process.
   6 // Further, the two programs are the same binary, just checking
   7 // their environment to figure out what mode to run in.
   8
   9 package cgi
  10
  11 import (
  12         "fmt"
  13         "net/http"
  14         "os"
  15         "testing"
  16 )
  17
  18 // This test is a CGI host (testing host.go) that runs its own binary
  19 // as a child process testing the other half of CGI (child.go).
  20 func TestHostingOurselves(t *testing.T) {
  21         h := &Handler{
  22                 Path: os.Args[0],
  23                 Root: "/test.go",
  24                 Args: []string{"-test.run=TestBeChildCGIProcess"},
  25         }
  26         expectedMap := map[string]string{
  27                 "test":                  "Hello CGI-in-CGI",
  28                 "param-a":               "b",
  29                 "param-foo":             "bar",
  30                 "env-GATEWAY_INTERFACE": "CGI/1.1",
  31                 "env-HTTP_HOST":         "example.com",
  32                 "env-PATH_INFO":         "",
  33                 "env-QUERY_STRING":      "foo=bar&a=b",
  34                 "env-REMOTE_ADDR":       "1.2.3.4",
  35                 "env-REMOTE_HOST":       "1.2.3.4",
  36                 "env-REQUEST_METHOD":    "GET",
  37                 "env-REQUEST_URI":       "/test.go?foo=bar&a=b",
  38                 "env-SCRIPT_FILENAME":   os.Args[0],
  39                 "env-SCRIPT_NAME":       "/test.go",
  40                 "env-SERVER_NAME":       "example.com",
  41                 "env-SERVER_PORT":       "80",
  42                 "env-SERVER_SOFTWARE":   "go",
  43         }
  44         replay := runCgiTest(t, h, "GET /test.go?foo=bar&a=b HTTP/1.0\nHost: example.com\n\n", expectedMap)
  45
  46         if expected, got := "text/html; charset=utf-8", replay.Header().Get("Content-Type"); got != expected {
  47                 t.Errorf("got a Content-Type of %q; expected %q", got, expected)
  48         }
  49         if expected, got := "X-Test-Value", replay.Header().Get("X-Test-Header"); got != expected {
  50                 t.Errorf("got a X-Test-Header of %q; expected %q", got, expected)
  51         }
  52 }
  53
  54 // Note: not actually a test.
  55 func TestBeChildCGIProcess(t *testing.T) {
  56         if os.Getenv("REQUEST_METHOD") == "" {
  57                 // Not in a CGI environment; skipping test.
  58                 return
  59         }
  60         Serve(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
  61                 rw.Header().Set("X-Test-Header", "X-Test-Value")
  62                 fmt.Fprintf(rw, "test=Hello CGI-in-CGI\n")
  63                 req.ParseForm()
  64                 for k, vv := range req.Form {
  65                         for _, v := range vv {
  66                                 fmt.Fprintf(rw, "param-%s=%s\n", k, v)
  67                         }
  68                 }
  69                 for _, kv := range os.Environ() {
  70                         fmt.Fprintf(rw, "env-%s\n", kv)
  71                 }
  72         }))
  73         os.Exit(0)
  74 }