315 lines
8.0 KiB
Go
315 lines
8.0 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package http_test
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import (
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"bytes"
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"fmt"
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. "http"
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"http/httptest"
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"io"
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"io/ioutil"
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"mime/multipart"
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"os"
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"reflect"
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"regexp"
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"strings"
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"testing"
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)
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type stringMultimap map[string][]string
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type parseTest struct {
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query string
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out stringMultimap
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}
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var parseTests = []parseTest{
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{
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query: "a=1&b=2",
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out: stringMultimap{"a": []string{"1"}, "b": []string{"2"}},
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},
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{
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query: "a=1&a=2&a=banana",
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out: stringMultimap{"a": []string{"1", "2", "banana"}},
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},
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{
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query: "ascii=%3Ckey%3A+0x90%3E",
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out: stringMultimap{"ascii": []string{"<key: 0x90>"}},
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},
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}
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func TestParseForm(t *testing.T) {
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for i, test := range parseTests {
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form, err := ParseQuery(test.query)
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if err != nil {
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t.Errorf("test %d: Unexpected error: %v", i, err)
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continue
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}
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if len(form) != len(test.out) {
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t.Errorf("test %d: len(form) = %d, want %d", i, len(form), len(test.out))
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}
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for k, evs := range test.out {
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vs, ok := form[k]
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if !ok {
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t.Errorf("test %d: Missing key %q", i, k)
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continue
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}
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if len(vs) != len(evs) {
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t.Errorf("test %d: len(form[%q]) = %d, want %d", i, k, len(vs), len(evs))
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continue
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}
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for j, ev := range evs {
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if v := vs[j]; v != ev {
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t.Errorf("test %d: form[%q][%d] = %q, want %q", i, k, j, v, ev)
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}
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}
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}
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}
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}
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func TestQuery(t *testing.T) {
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req := &Request{Method: "GET"}
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req.URL, _ = ParseURL("http://www.google.com/search?q=foo&q=bar")
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if q := req.FormValue("q"); q != "foo" {
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t.Errorf(`req.FormValue("q") = %q, want "foo"`, q)
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}
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}
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func TestPostQuery(t *testing.T) {
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req := &Request{Method: "POST"}
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req.URL, _ = ParseURL("http://www.google.com/search?q=foo&q=bar&both=x")
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req.Header = Header{
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"Content-Type": {"application/x-www-form-urlencoded; boo!"},
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}
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req.Body = ioutil.NopCloser(strings.NewReader("z=post&both=y"))
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if q := req.FormValue("q"); q != "foo" {
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t.Errorf(`req.FormValue("q") = %q, want "foo"`, q)
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}
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if z := req.FormValue("z"); z != "post" {
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t.Errorf(`req.FormValue("z") = %q, want "post"`, z)
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}
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if both := req.Form["both"]; !reflect.DeepEqual(both, []string{"x", "y"}) {
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t.Errorf(`req.FormValue("both") = %q, want ["x", "y"]`, both)
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}
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}
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type stringMap map[string][]string
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type parseContentTypeTest struct {
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contentType stringMap
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error bool
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}
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var parseContentTypeTests = []parseContentTypeTest{
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{contentType: stringMap{"Content-Type": {"text/plain"}}},
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{contentType: stringMap{}}, // Non-existent keys are not placed. The value nil is illegal.
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{contentType: stringMap{"Content-Type": {"text/plain; boundary="}}},
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{
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contentType: stringMap{"Content-Type": {"application/unknown"}},
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error: true,
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},
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}
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func TestPostContentTypeParsing(t *testing.T) {
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for i, test := range parseContentTypeTests {
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req := &Request{
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Method: "POST",
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Header: Header(test.contentType),
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Body: ioutil.NopCloser(bytes.NewBufferString("body")),
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}
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err := req.ParseForm()
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if !test.error && err != nil {
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t.Errorf("test %d: Unexpected error: %v", i, err)
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}
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if test.error && err == nil {
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t.Errorf("test %d should have returned error", i)
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}
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}
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}
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func TestMultipartReader(t *testing.T) {
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req := &Request{
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Method: "POST",
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Header: Header{"Content-Type": {`multipart/form-data; boundary="foo123"`}},
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Body: ioutil.NopCloser(new(bytes.Buffer)),
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}
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multipart, err := req.MultipartReader()
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if multipart == nil {
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t.Errorf("expected multipart; error: %v", err)
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}
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req.Header = Header{"Content-Type": {"text/plain"}}
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multipart, err = req.MultipartReader()
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if multipart != nil {
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t.Errorf("unexpected multipart for text/plain")
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}
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}
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func TestRedirect(t *testing.T) {
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ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
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switch r.URL.Path {
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case "/":
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w.Header().Set("Location", "/foo/")
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w.WriteHeader(StatusSeeOther)
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case "/foo/":
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fmt.Fprintf(w, "foo")
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default:
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w.WriteHeader(StatusBadRequest)
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}
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}))
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defer ts.Close()
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var end = regexp.MustCompile("/foo/$")
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r, url, err := Get(ts.URL)
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if err != nil {
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t.Fatal(err)
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}
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r.Body.Close()
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if r.StatusCode != 200 || !end.MatchString(url) {
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t.Fatalf("Get got status %d at %q, want 200 matching /foo/$", r.StatusCode, url)
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}
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}
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func TestMultipartRequest(t *testing.T) {
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// Test that we can read the values and files of a
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// multipart request with FormValue and FormFile,
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// and that ParseMultipartForm can be called multiple times.
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req := newTestMultipartRequest(t)
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if err := req.ParseMultipartForm(25); err != nil {
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t.Fatal("ParseMultipartForm first call:", err)
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}
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defer req.MultipartForm.RemoveAll()
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validateTestMultipartContents(t, req, false)
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if err := req.ParseMultipartForm(25); err != nil {
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t.Fatal("ParseMultipartForm second call:", err)
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}
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validateTestMultipartContents(t, req, false)
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}
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func TestMultipartRequestAuto(t *testing.T) {
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// Test that FormValue and FormFile automatically invoke
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// ParseMultipartForm and return the right values.
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req := newTestMultipartRequest(t)
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defer func() {
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if req.MultipartForm != nil {
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req.MultipartForm.RemoveAll()
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}
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}()
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validateTestMultipartContents(t, req, true)
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}
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func TestEmptyMultipartRequest(t *testing.T) {
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// Test that FormValue and FormFile automatically invoke
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// ParseMultipartForm and return the right values.
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req, err := NewRequest("GET", "/", nil)
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if err != nil {
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t.Errorf("NewRequest err = %q", err)
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}
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testMissingFile(t, req)
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}
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func testMissingFile(t *testing.T, req *Request) {
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f, fh, err := req.FormFile("missing")
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if f != nil {
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t.Errorf("FormFile file = %q, want nil", f, nil)
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}
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if fh != nil {
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t.Errorf("FormFile file header = %q, want nil", fh, nil)
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}
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if err != ErrMissingFile {
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t.Errorf("FormFile err = %q, want nil", err, ErrMissingFile)
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}
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}
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func newTestMultipartRequest(t *testing.T) *Request {
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b := bytes.NewBufferString(strings.Replace(message, "\n", "\r\n", -1))
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req, err := NewRequest("POST", "/", b)
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if err != nil {
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t.Fatalf("NewRequest:", err)
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}
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ctype := fmt.Sprintf(`multipart/form-data; boundary="%s"`, boundary)
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req.Header.Set("Content-type", ctype)
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return req
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}
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func validateTestMultipartContents(t *testing.T, req *Request, allMem bool) {
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if g, e := req.FormValue("texta"), textaValue; g != e {
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t.Errorf("texta value = %q, want %q", g, e)
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}
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if g, e := req.FormValue("texta"), textaValue; g != e {
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t.Errorf("texta value = %q, want %q", g, e)
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}
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if g := req.FormValue("missing"); g != "" {
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t.Errorf("missing value = %q, want empty string", g)
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}
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assertMem := func(n string, fd multipart.File) {
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if _, ok := fd.(*os.File); ok {
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t.Error(n, " is *os.File, should not be")
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}
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}
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fd := testMultipartFile(t, req, "filea", "filea.txt", fileaContents)
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assertMem("filea", fd)
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fd = testMultipartFile(t, req, "fileb", "fileb.txt", filebContents)
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if allMem {
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assertMem("fileb", fd)
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} else {
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if _, ok := fd.(*os.File); !ok {
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t.Errorf("fileb has unexpected underlying type %T", fd)
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}
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}
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testMissingFile(t, req)
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}
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func testMultipartFile(t *testing.T, req *Request, key, expectFilename, expectContent string) multipart.File {
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f, fh, err := req.FormFile(key)
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if err != nil {
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t.Fatalf("FormFile(%q):", key, err)
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}
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if fh.Filename != expectFilename {
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t.Errorf("filename = %q, want %q", fh.Filename, expectFilename)
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}
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var b bytes.Buffer
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_, err = io.Copy(&b, f)
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if err != nil {
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t.Fatal("copying contents:", err)
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}
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if g := b.String(); g != expectContent {
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t.Errorf("contents = %q, want %q", g, expectContent)
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}
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return f
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}
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const (
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fileaContents = "This is a test file."
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filebContents = "Another test file."
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textaValue = "foo"
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textbValue = "bar"
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boundary = `MyBoundary`
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)
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const message = `
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--MyBoundary
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Content-Disposition: form-data; name="filea"; filename="filea.txt"
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Content-Type: text/plain
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` + fileaContents + `
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--MyBoundary
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Content-Disposition: form-data; name="fileb"; filename="fileb.txt"
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Content-Type: text/plain
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` + filebContents + `
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--MyBoundary
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Content-Disposition: form-data; name="texta"
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` + textaValue + `
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--MyBoundary
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Content-Disposition: form-data; name="textb"
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` + textbValue + `
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--MyBoundary--
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`
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