diff options
Diffstat (limited to 'src/net/http/request_test.go')
-rw-r--r-- | src/net/http/request_test.go | 1583 |
1 files changed, 1583 insertions, 0 deletions
diff --git a/src/net/http/request_test.go b/src/net/http/request_test.go new file mode 100644 index 0000000..6ce3233 --- /dev/null +++ b/src/net/http/request_test.go @@ -0,0 +1,1583 @@ +// Copyright 2009 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. + +package http_test + +import ( + "bufio" + "bytes" + "context" + "crypto/rand" + "encoding/base64" + "errors" + "fmt" + "io" + "math" + "mime/multipart" + "net/http" + . "net/http" + "net/http/httptest" + "net/url" + "os" + "reflect" + "regexp" + "strings" + "testing" +) + +func TestQuery(t *testing.T) { + req := &Request{Method: "GET"} + req.URL, _ = url.Parse("http://www.google.com/search?q=foo&q=bar") + if q := req.FormValue("q"); q != "foo" { + t.Errorf(`req.FormValue("q") = %q, want "foo"`, q) + } +} + +// Issue #25192: Test that ParseForm fails but still parses the form when a URL +// containing a semicolon is provided. +func TestParseFormSemicolonSeparator(t *testing.T) { + for _, method := range []string{"POST", "PATCH", "PUT", "GET"} { + req, _ := NewRequest(method, "http://www.google.com/search?q=foo;q=bar&a=1", + strings.NewReader("q")) + err := req.ParseForm() + if err == nil { + t.Fatalf(`for method %s, ParseForm expected an error, got success`, method) + } + wantForm := url.Values{"a": []string{"1"}} + if !reflect.DeepEqual(req.Form, wantForm) { + t.Fatalf("for method %s, ParseForm expected req.Form = %v, want %v", method, req.Form, wantForm) + } + } +} + +func TestParseFormQuery(t *testing.T) { + req, _ := NewRequest("POST", "http://www.google.com/search?q=foo&q=bar&both=x&prio=1&orphan=nope&empty=not", + strings.NewReader("z=post&both=y&prio=2&=nokey&orphan&empty=&")) + req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value") + + if q := req.FormValue("q"); q != "foo" { + t.Errorf(`req.FormValue("q") = %q, want "foo"`, q) + } + if z := req.FormValue("z"); z != "post" { + t.Errorf(`req.FormValue("z") = %q, want "post"`, z) + } + if bq, found := req.PostForm["q"]; found { + t.Errorf(`req.PostForm["q"] = %q, want no entry in map`, bq) + } + if bz := req.PostFormValue("z"); bz != "post" { + t.Errorf(`req.PostFormValue("z") = %q, want "post"`, bz) + } + if qs := req.Form["q"]; !reflect.DeepEqual(qs, []string{"foo", "bar"}) { + t.Errorf(`req.Form["q"] = %q, want ["foo", "bar"]`, qs) + } + if both := req.Form["both"]; !reflect.DeepEqual(both, []string{"y", "x"}) { + t.Errorf(`req.Form["both"] = %q, want ["y", "x"]`, both) + } + if prio := req.FormValue("prio"); prio != "2" { + t.Errorf(`req.FormValue("prio") = %q, want "2" (from body)`, prio) + } + if orphan := req.Form["orphan"]; !reflect.DeepEqual(orphan, []string{"", "nope"}) { + t.Errorf(`req.FormValue("orphan") = %q, want "" (from body)`, orphan) + } + if empty := req.Form["empty"]; !reflect.DeepEqual(empty, []string{"", "not"}) { + t.Errorf(`req.FormValue("empty") = %q, want "" (from body)`, empty) + } + if nokey := req.Form[""]; !reflect.DeepEqual(nokey, []string{"nokey"}) { + t.Errorf(`req.FormValue("nokey") = %q, want "nokey" (from body)`, nokey) + } +} + +// Tests that we only parse the form automatically for certain methods. +func TestParseFormQueryMethods(t *testing.T) { + for _, method := range []string{"POST", "PATCH", "PUT", "FOO"} { + req, _ := NewRequest(method, "http://www.google.com/search", + strings.NewReader("foo=bar")) + req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value") + want := "bar" + if method == "FOO" { + want = "" + } + if got := req.FormValue("foo"); got != want { + t.Errorf(`for method %s, FormValue("foo") = %q; want %q`, method, got, want) + } + } +} + +func TestParseFormUnknownContentType(t *testing.T) { + for _, test := range []struct { + name string + wantErr string + contentType Header + }{ + {"text", "", Header{"Content-Type": {"text/plain"}}}, + // Empty content type is legal - may be treated as + // application/octet-stream (RFC 7231, section 3.1.1.5) + {"empty", "", Header{}}, + {"boundary", "mime: invalid media parameter", Header{"Content-Type": {"text/plain; boundary="}}}, + {"unknown", "", Header{"Content-Type": {"application/unknown"}}}, + } { + t.Run(test.name, + func(t *testing.T) { + req := &Request{ + Method: "POST", + Header: test.contentType, + Body: io.NopCloser(strings.NewReader("body")), + } + err := req.ParseForm() + switch { + case err == nil && test.wantErr != "": + t.Errorf("unexpected success; want error %q", test.wantErr) + case err != nil && test.wantErr == "": + t.Errorf("want success, got error: %v", err) + case test.wantErr != "" && test.wantErr != fmt.Sprint(err): + t.Errorf("got error %q; want %q", err, test.wantErr) + } + }, + ) + } +} + +func TestParseFormInitializeOnError(t *testing.T) { + nilBody, _ := NewRequest("POST", "http://www.google.com/search?q=foo", nil) + tests := []*Request{ + nilBody, + {Method: "GET", URL: nil}, + } + for i, req := range tests { + err := req.ParseForm() + if req.Form == nil { + t.Errorf("%d. Form not initialized, error %v", i, err) + } + if req.PostForm == nil { + t.Errorf("%d. PostForm not initialized, error %v", i, err) + } + } +} + +func TestMultipartReader(t *testing.T) { + tests := []struct { + shouldError bool + contentType string + }{ + {false, `multipart/form-data; boundary="foo123"`}, + {false, `multipart/mixed; boundary="foo123"`}, + {true, `text/plain`}, + } + + for i, test := range tests { + req := &Request{ + Method: "POST", + Header: Header{"Content-Type": {test.contentType}}, + Body: io.NopCloser(new(bytes.Buffer)), + } + multipart, err := req.MultipartReader() + if test.shouldError { + if err == nil || multipart != nil { + t.Errorf("test %d: unexpectedly got nil-error (%v) or non-nil-multipart (%v)", i, err, multipart) + } + continue + } + if err != nil || multipart == nil { + t.Errorf("test %d: unexpectedly got error (%v) or nil-multipart (%v)", i, err, multipart) + } + } +} + +// Issue 9305: ParseMultipartForm should populate PostForm too +func TestParseMultipartFormPopulatesPostForm(t *testing.T) { + postData := + `--xxx +Content-Disposition: form-data; name="field1" + +value1 +--xxx +Content-Disposition: form-data; name="field2" + +value2 +--xxx +Content-Disposition: form-data; name="file"; filename="file" +Content-Type: application/octet-stream +Content-Transfer-Encoding: binary + +binary data +--xxx-- +` + req := &Request{ + Method: "POST", + Header: Header{"Content-Type": {`multipart/form-data; boundary=xxx`}}, + Body: io.NopCloser(strings.NewReader(postData)), + } + + initialFormItems := map[string]string{ + "language": "Go", + "name": "gopher", + "skill": "go-ing", + "field2": "initial-value2", + } + + req.Form = make(url.Values) + for k, v := range initialFormItems { + req.Form.Add(k, v) + } + + err := req.ParseMultipartForm(10000) + if err != nil { + t.Fatalf("unexpected multipart error %v", err) + } + + wantForm := url.Values{ + "language": []string{"Go"}, + "name": []string{"gopher"}, + "skill": []string{"go-ing"}, + "field1": []string{"value1"}, + "field2": []string{"initial-value2", "value2"}, + } + if !reflect.DeepEqual(req.Form, wantForm) { + t.Fatalf("req.Form = %v, want %v", req.Form, wantForm) + } + + wantPostForm := url.Values{ + "field1": []string{"value1"}, + "field2": []string{"value2"}, + } + if !reflect.DeepEqual(req.PostForm, wantPostForm) { + t.Fatalf("req.PostForm = %v, want %v", req.PostForm, wantPostForm) + } +} + +func TestParseMultipartForm(t *testing.T) { + req := &Request{ + Method: "POST", + Header: Header{"Content-Type": {`multipart/form-data; boundary="foo123"`}}, + Body: io.NopCloser(new(bytes.Buffer)), + } + err := req.ParseMultipartForm(25) + if err == nil { + t.Error("expected multipart EOF, got nil") + } + + req.Header = Header{"Content-Type": {"text/plain"}} + err = req.ParseMultipartForm(25) + if err != ErrNotMultipart { + t.Error("expected ErrNotMultipart for text/plain") + } +} + +// Issue 45789: multipart form should not include directory path in filename +func TestParseMultipartFormFilename(t *testing.T) { + postData := + `--xxx +Content-Disposition: form-data; name="file"; filename="../usr/foobar.txt/" +Content-Type: text/plain + +--xxx-- +` + req := &Request{ + Method: "POST", + Header: Header{"Content-Type": {`multipart/form-data; boundary=xxx`}}, + Body: io.NopCloser(strings.NewReader(postData)), + } + _, hdr, err := req.FormFile("file") + if err != nil { + t.Fatal(err) + } + if hdr.Filename != "foobar.txt" { + t.Errorf("expected only the last element of the path, got %q", hdr.Filename) + } +} + +// Issue #40430: Test that if maxMemory for ParseMultipartForm when combined with +// the payload size and the internal leeway buffer size of 10MiB overflows, that we +// correctly return an error. +func TestMaxInt64ForMultipartFormMaxMemoryOverflow(t *testing.T) { + run(t, testMaxInt64ForMultipartFormMaxMemoryOverflow) +} +func testMaxInt64ForMultipartFormMaxMemoryOverflow(t *testing.T, mode testMode) { + payloadSize := 1 << 10 + cst := newClientServerTest(t, mode, HandlerFunc(func(rw ResponseWriter, req *Request) { + // The combination of: + // MaxInt64 + payloadSize + (internal spare of 10MiB) + // triggers the overflow. See issue https://golang.org/issue/40430/ + if err := req.ParseMultipartForm(math.MaxInt64); err != nil { + Error(rw, err.Error(), StatusBadRequest) + return + } + })).ts + fBuf := new(bytes.Buffer) + mw := multipart.NewWriter(fBuf) + mf, err := mw.CreateFormFile("file", "myfile.txt") + if err != nil { + t.Fatal(err) + } + if _, err := mf.Write(bytes.Repeat([]byte("abc"), payloadSize)); err != nil { + t.Fatal(err) + } + if err := mw.Close(); err != nil { + t.Fatal(err) + } + req, err := NewRequest("POST", cst.URL, fBuf) + if err != nil { + t.Fatal(err) + } + req.Header.Set("Content-Type", mw.FormDataContentType()) + res, err := cst.Client().Do(req) + if err != nil { + t.Fatal(err) + } + res.Body.Close() + if g, w := res.StatusCode, StatusOK; g != w { + t.Fatalf("Status code mismatch: got %d, want %d", g, w) + } +} + +func TestRequestRedirect(t *testing.T) { run(t, testRequestRedirect) } +func testRequestRedirect(t *testing.T, mode testMode) { + cst := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) { + switch r.URL.Path { + case "/": + w.Header().Set("Location", "/foo/") + w.WriteHeader(StatusSeeOther) + case "/foo/": + fmt.Fprintf(w, "foo") + default: + w.WriteHeader(StatusBadRequest) + } + })) + + var end = regexp.MustCompile("/foo/$") + r, err := cst.c.Get(cst.ts.URL) + if err != nil { + t.Fatal(err) + } + r.Body.Close() + url := r.Request.URL.String() + if r.StatusCode != 200 || !end.MatchString(url) { + t.Fatalf("Get got status %d at %q, want 200 matching /foo/$", r.StatusCode, url) + } +} + +func TestSetBasicAuth(t *testing.T) { + r, _ := NewRequest("GET", "http://example.com/", nil) + r.SetBasicAuth("Aladdin", "open sesame") + if g, e := r.Header.Get("Authorization"), "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="; g != e { + t.Errorf("got header %q, want %q", g, e) + } +} + +func TestMultipartRequest(t *testing.T) { + // Test that we can read the values and files of a + // multipart request with FormValue and FormFile, + // and that ParseMultipartForm can be called multiple times. + req := newTestMultipartRequest(t) + if err := req.ParseMultipartForm(25); err != nil { + t.Fatal("ParseMultipartForm first call:", err) + } + defer req.MultipartForm.RemoveAll() + validateTestMultipartContents(t, req, false) + if err := req.ParseMultipartForm(25); err != nil { + t.Fatal("ParseMultipartForm second call:", err) + } + validateTestMultipartContents(t, req, false) +} + +// Issue #25192: Test that ParseMultipartForm fails but still parses the +// multi-part form when a URL containing a semicolon is provided. +func TestParseMultipartFormSemicolonSeparator(t *testing.T) { + req := newTestMultipartRequest(t) + req.URL = &url.URL{RawQuery: "q=foo;q=bar"} + if err := req.ParseMultipartForm(25); err == nil { + t.Fatal("ParseMultipartForm expected error due to invalid semicolon, got nil") + } + defer req.MultipartForm.RemoveAll() + validateTestMultipartContents(t, req, false) +} + +func TestMultipartRequestAuto(t *testing.T) { + // Test that FormValue and FormFile automatically invoke + // ParseMultipartForm and return the right values. + req := newTestMultipartRequest(t) + defer func() { + if req.MultipartForm != nil { + req.MultipartForm.RemoveAll() + } + }() + validateTestMultipartContents(t, req, true) +} + +func TestMissingFileMultipartRequest(t *testing.T) { + // Test that FormFile returns an error if + // the named file is missing. + req := newTestMultipartRequest(t) + testMissingFile(t, req) +} + +// Test that FormValue invokes ParseMultipartForm. +func TestFormValueCallsParseMultipartForm(t *testing.T) { + req, _ := NewRequest("POST", "http://www.google.com/", strings.NewReader("z=post")) + req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value") + if req.Form != nil { + t.Fatal("Unexpected request Form, want nil") + } + req.FormValue("z") + if req.Form == nil { + t.Fatal("ParseMultipartForm not called by FormValue") + } +} + +// Test that FormFile invokes ParseMultipartForm. +func TestFormFileCallsParseMultipartForm(t *testing.T) { + req := newTestMultipartRequest(t) + if req.Form != nil { + t.Fatal("Unexpected request Form, want nil") + } + req.FormFile("") + if req.Form == nil { + t.Fatal("ParseMultipartForm not called by FormFile") + } +} + +// Test that ParseMultipartForm errors if called +// after MultipartReader on the same request. +func TestParseMultipartFormOrder(t *testing.T) { + req := newTestMultipartRequest(t) + if _, err := req.MultipartReader(); err != nil { + t.Fatalf("MultipartReader: %v", err) + } + if err := req.ParseMultipartForm(1024); err == nil { + t.Fatal("expected an error from ParseMultipartForm after call to MultipartReader") + } +} + +// Test that MultipartReader errors if called +// after ParseMultipartForm on the same request. +func TestMultipartReaderOrder(t *testing.T) { + req := newTestMultipartRequest(t) + if err := req.ParseMultipartForm(25); err != nil { + t.Fatalf("ParseMultipartForm: %v", err) + } + defer req.MultipartForm.RemoveAll() + if _, err := req.MultipartReader(); err == nil { + t.Fatal("expected an error from MultipartReader after call to ParseMultipartForm") + } +} + +// Test that FormFile errors if called after +// MultipartReader on the same request. +func TestFormFileOrder(t *testing.T) { + req := newTestMultipartRequest(t) + if _, err := req.MultipartReader(); err != nil { + t.Fatalf("MultipartReader: %v", err) + } + if _, _, err := req.FormFile(""); err == nil { + t.Fatal("expected an error from FormFile after call to MultipartReader") + } +} + +var readRequestErrorTests = []struct { + in string + err string + + header Header +}{ + 0: {"GET / HTTP/1.1\r\nheader:foo\r\n\r\n", "", Header{"Header": {"foo"}}}, + 1: {"GET / HTTP/1.1\r\nheader:foo\r\n", io.ErrUnexpectedEOF.Error(), nil}, + 2: {"", io.EOF.Error(), nil}, + 3: { + in: "HEAD / HTTP/1.1\r\n\r\n", + header: Header{}, + }, + + // Multiple Content-Length values should either be + // deduplicated if same or reject otherwise + // See Issue 16490. + 4: { + in: "POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 0\r\n\r\nGopher hey\r\n", + err: "cannot contain multiple Content-Length headers", + }, + 5: { + in: "POST / HTTP/1.1\r\nContent-Length: 10\r\nContent-Length: 6\r\n\r\nGopher\r\n", + err: "cannot contain multiple Content-Length headers", + }, + 6: { + in: "PUT / HTTP/1.1\r\nContent-Length: 6 \r\nContent-Length: 6\r\nContent-Length:6\r\n\r\nGopher\r\n", + err: "", + header: Header{"Content-Length": {"6"}}, + }, + 7: { + in: "PUT / HTTP/1.1\r\nContent-Length: 1\r\nContent-Length: 6 \r\n\r\n", + err: "cannot contain multiple Content-Length headers", + }, + 8: { + in: "POST / HTTP/1.1\r\nContent-Length:\r\nContent-Length: 3\r\n\r\n", + err: "cannot contain multiple Content-Length headers", + }, + 9: { + in: "HEAD / HTTP/1.1\r\nContent-Length:0\r\nContent-Length: 0\r\n\r\n", + header: Header{"Content-Length": {"0"}}, + }, + 10: { + in: "HEAD / HTTP/1.1\r\nHost: foo\r\nHost: bar\r\n\r\n\r\n\r\n", + err: "too many Host headers", + }, +} + +func TestReadRequestErrors(t *testing.T) { + for i, tt := range readRequestErrorTests { + req, err := ReadRequest(bufio.NewReader(strings.NewReader(tt.in))) + if err == nil { + if tt.err != "" { + t.Errorf("#%d: got nil err; want %q", i, tt.err) + } + + if !reflect.DeepEqual(tt.header, req.Header) { + t.Errorf("#%d: gotHeader: %q wantHeader: %q", i, req.Header, tt.header) + } + continue + } + + if tt.err == "" || !strings.Contains(err.Error(), tt.err) { + t.Errorf("%d: got error = %v; want %v", i, err, tt.err) + } + } +} + +var newRequestHostTests = []struct { + in, out string +}{ + {"http://www.example.com/", "www.example.com"}, + {"http://www.example.com:8080/", "www.example.com:8080"}, + + {"http://192.168.0.1/", "192.168.0.1"}, + {"http://192.168.0.1:8080/", "192.168.0.1:8080"}, + {"http://192.168.0.1:/", "192.168.0.1"}, + + {"http://[fe80::1]/", "[fe80::1]"}, + {"http://[fe80::1]:8080/", "[fe80::1]:8080"}, + {"http://[fe80::1%25en0]/", "[fe80::1%en0]"}, + {"http://[fe80::1%25en0]:8080/", "[fe80::1%en0]:8080"}, + {"http://[fe80::1%25en0]:/", "[fe80::1%en0]"}, +} + +func TestNewRequestHost(t *testing.T) { + for i, tt := range newRequestHostTests { + req, err := NewRequest("GET", tt.in, nil) + if err != nil { + t.Errorf("#%v: %v", i, err) + continue + } + if req.Host != tt.out { + t.Errorf("got %q; want %q", req.Host, tt.out) + } + } +} + +func TestRequestInvalidMethod(t *testing.T) { + _, err := NewRequest("bad method", "http://foo.com/", nil) + if err == nil { + t.Error("expected error from NewRequest with invalid method") + } + req, err := NewRequest("GET", "http://foo.example/", nil) + if err != nil { + t.Fatal(err) + } + req.Method = "bad method" + _, err = DefaultClient.Do(req) + if err == nil || !strings.Contains(err.Error(), "invalid method") { + t.Errorf("Transport error = %v; want invalid method", err) + } + + req, err = NewRequest("", "http://foo.com/", nil) + if err != nil { + t.Errorf("NewRequest(empty method) = %v; want nil", err) + } else if req.Method != "GET" { + t.Errorf("NewRequest(empty method) has method %q; want GET", req.Method) + } +} + +func TestNewRequestContentLength(t *testing.T) { + readByte := func(r io.Reader) io.Reader { + var b [1]byte + r.Read(b[:]) + return r + } + tests := []struct { + r io.Reader + want int64 + }{ + {bytes.NewReader([]byte("123")), 3}, + {bytes.NewBuffer([]byte("1234")), 4}, + {strings.NewReader("12345"), 5}, + {strings.NewReader(""), 0}, + {NoBody, 0}, + + // Not detected. During Go 1.8 we tried to make these set to -1, but + // due to Issue 18117, we keep these returning 0, even though they're + // unknown. + {struct{ io.Reader }{strings.NewReader("xyz")}, 0}, + {io.NewSectionReader(strings.NewReader("x"), 0, 6), 0}, + {readByte(io.NewSectionReader(strings.NewReader("xy"), 0, 6)), 0}, + } + for i, tt := range tests { + req, err := NewRequest("POST", "http://localhost/", tt.r) + if err != nil { + t.Fatal(err) + } + if req.ContentLength != tt.want { + t.Errorf("test[%d]: ContentLength(%T) = %d; want %d", i, tt.r, req.ContentLength, tt.want) + } + } +} + +var parseHTTPVersionTests = []struct { + vers string + major, minor int + ok bool +}{ + {"HTTP/0.0", 0, 0, true}, + {"HTTP/0.9", 0, 9, true}, + {"HTTP/1.0", 1, 0, true}, + {"HTTP/1.1", 1, 1, true}, + + {"HTTP", 0, 0, false}, + {"HTTP/one.one", 0, 0, false}, + {"HTTP/1.1/", 0, 0, false}, + {"HTTP/-1,0", 0, 0, false}, + {"HTTP/0,-1", 0, 0, false}, + {"HTTP/", 0, 0, false}, + {"HTTP/1,1", 0, 0, false}, + {"HTTP/+1.1", 0, 0, false}, + {"HTTP/1.+1", 0, 0, false}, + {"HTTP/0000000001.1", 0, 0, false}, + {"HTTP/1.0000000001", 0, 0, false}, + {"HTTP/3.14", 0, 0, false}, + {"HTTP/12.3", 0, 0, false}, +} + +func TestParseHTTPVersion(t *testing.T) { + for _, tt := range parseHTTPVersionTests { + major, minor, ok := ParseHTTPVersion(tt.vers) + if ok != tt.ok || major != tt.major || minor != tt.minor { + type version struct { + major, minor int + ok bool + } + t.Errorf("failed to parse %q, expected: %#v, got %#v", tt.vers, version{tt.major, tt.minor, tt.ok}, version{major, minor, ok}) + } + } +} + +type getBasicAuthTest struct { + username, password string + ok bool +} + +type basicAuthCredentialsTest struct { + username, password string +} + +var getBasicAuthTests = []struct { + username, password string + ok bool +}{ + {"Aladdin", "open sesame", true}, + {"Aladdin", "open:sesame", true}, + {"", "", true}, +} + +func TestGetBasicAuth(t *testing.T) { + for _, tt := range getBasicAuthTests { + r, _ := NewRequest("GET", "http://example.com/", nil) + r.SetBasicAuth(tt.username, tt.password) + username, password, ok := r.BasicAuth() + if ok != tt.ok || username != tt.username || password != tt.password { + t.Errorf("BasicAuth() = %#v, want %#v", getBasicAuthTest{username, password, ok}, + getBasicAuthTest{tt.username, tt.password, tt.ok}) + } + } + // Unauthenticated request. + r, _ := NewRequest("GET", "http://example.com/", nil) + username, password, ok := r.BasicAuth() + if ok { + t.Errorf("expected false from BasicAuth when the request is unauthenticated") + } + want := basicAuthCredentialsTest{"", ""} + if username != want.username || password != want.password { + t.Errorf("expected credentials: %#v when the request is unauthenticated, got %#v", + want, basicAuthCredentialsTest{username, password}) + } +} + +var parseBasicAuthTests = []struct { + header, username, password string + ok bool +}{ + {"Basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true}, + + // Case doesn't matter: + {"BASIC " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true}, + {"basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "Aladdin", "open sesame", true}, + + {"Basic " + base64.StdEncoding.EncodeToString([]byte("Aladdin:open:sesame")), "Aladdin", "open:sesame", true}, + {"Basic " + base64.StdEncoding.EncodeToString([]byte(":")), "", "", true}, + {"Basic" + base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "", "", false}, + {base64.StdEncoding.EncodeToString([]byte("Aladdin:open sesame")), "", "", false}, + {"Basic ", "", "", false}, + {"Basic Aladdin:open sesame", "", "", false}, + {`Digest username="Aladdin"`, "", "", false}, +} + +func TestParseBasicAuth(t *testing.T) { + for _, tt := range parseBasicAuthTests { + r, _ := NewRequest("GET", "http://example.com/", nil) + r.Header.Set("Authorization", tt.header) + username, password, ok := r.BasicAuth() + if ok != tt.ok || username != tt.username || password != tt.password { + t.Errorf("BasicAuth() = %#v, want %#v", getBasicAuthTest{username, password, ok}, + getBasicAuthTest{tt.username, tt.password, tt.ok}) + } + } +} + +type logWrites struct { + t *testing.T + dst *[]string +} + +func (l logWrites) WriteByte(c byte) error { + l.t.Fatalf("unexpected WriteByte call") + return nil +} + +func (l logWrites) Write(p []byte) (n int, err error) { + *l.dst = append(*l.dst, string(p)) + return len(p), nil +} + +func TestRequestWriteBufferedWriter(t *testing.T) { + got := []string{} + req, _ := NewRequest("GET", "http://foo.com/", nil) + req.Write(logWrites{t, &got}) + want := []string{ + "GET / HTTP/1.1\r\n", + "Host: foo.com\r\n", + "User-Agent: " + DefaultUserAgent + "\r\n", + "\r\n", + } + if !reflect.DeepEqual(got, want) { + t.Errorf("Writes = %q\n Want = %q", got, want) + } +} + +func TestRequestBadHostHeader(t *testing.T) { + got := []string{} + req, err := NewRequest("GET", "http://foo/after", nil) + if err != nil { + t.Fatal(err) + } + req.Host = "foo.com\nnewline" + req.URL.Host = "foo.com\nnewline" + req.Write(logWrites{t, &got}) + want := []string{ + "GET /after HTTP/1.1\r\n", + "Host: \r\n", + "User-Agent: " + DefaultUserAgent + "\r\n", + "\r\n", + } + if !reflect.DeepEqual(got, want) { + t.Errorf("Writes = %q\n Want = %q", got, want) + } +} + +func TestRequestBadUserAgent(t *testing.T) { + got := []string{} + req, err := NewRequest("GET", "http://foo/after", nil) + if err != nil { + t.Fatal(err) + } + req.Header.Set("User-Agent", "evil\r\nX-Evil: evil") + req.Write(logWrites{t, &got}) + want := []string{ + "GET /after HTTP/1.1\r\n", + "Host: foo\r\n", + "User-Agent: evil X-Evil: evil\r\n", + "\r\n", + } + if !reflect.DeepEqual(got, want) { + t.Errorf("Writes = %q\n Want = %q", got, want) + } +} + +func TestStarRequest(t *testing.T) { + req, err := ReadRequest(bufio.NewReader(strings.NewReader("M-SEARCH * HTTP/1.1\r\n\r\n"))) + if err != nil { + return + } + if req.ContentLength != 0 { + t.Errorf("ContentLength = %d; want 0", req.ContentLength) + } + if req.Body == nil { + t.Errorf("Body = nil; want non-nil") + } + + // Request.Write has Client semantics for Body/ContentLength, + // where ContentLength 0 means unknown if Body is non-nil, and + // thus chunking will happen unless we change semantics and + // signal that we want to serialize it as exactly zero. The + // only way to do that for outbound requests is with a nil + // Body: + clientReq := *req + clientReq.Body = nil + + var out strings.Builder + if err := clientReq.Write(&out); err != nil { + t.Fatal(err) + } + + if strings.Contains(out.String(), "chunked") { + t.Error("wrote chunked request; want no body") + } + back, err := ReadRequest(bufio.NewReader(strings.NewReader(out.String()))) + if err != nil { + t.Fatal(err) + } + // Ignore the Headers (the User-Agent breaks the deep equal, + // but we don't care about it) + req.Header = nil + back.Header = nil + if !reflect.DeepEqual(req, back) { + t.Errorf("Original request doesn't match Request read back.") + t.Logf("Original: %#v", req) + t.Logf("Original.URL: %#v", req.URL) + t.Logf("Wrote: %s", out.String()) + t.Logf("Read back (doesn't match Original): %#v", back) + } +} + +type responseWriterJustWriter struct { + io.Writer +} + +func (responseWriterJustWriter) Header() Header { panic("should not be called") } +func (responseWriterJustWriter) WriteHeader(int) { panic("should not be called") } + +// delayedEOFReader never returns (n > 0, io.EOF), instead putting +// off the io.EOF until a subsequent Read call. +type delayedEOFReader struct { + r io.Reader +} + +func (dr delayedEOFReader) Read(p []byte) (n int, err error) { + n, err = dr.r.Read(p) + if n > 0 && err == io.EOF { + err = nil + } + return +} + +func TestIssue10884_MaxBytesEOF(t *testing.T) { + dst := io.Discard + _, err := io.Copy(dst, MaxBytesReader( + responseWriterJustWriter{dst}, + io.NopCloser(delayedEOFReader{strings.NewReader("12345")}), + 5)) + if err != nil { + t.Fatal(err) + } +} + +// Issue 14981: MaxBytesReader's return error wasn't sticky. It +// doesn't technically need to be, but people expected it to be. +func TestMaxBytesReaderStickyError(t *testing.T) { + isSticky := func(r io.Reader) error { + var log bytes.Buffer + buf := make([]byte, 1000) + var firstErr error + for { + n, err := r.Read(buf) + fmt.Fprintf(&log, "Read(%d) = %d, %v\n", len(buf), n, err) + if err == nil { + continue + } + if firstErr == nil { + firstErr = err + continue + } + if !reflect.DeepEqual(err, firstErr) { + return fmt.Errorf("non-sticky error. got log:\n%s", log.Bytes()) + } + t.Logf("Got log: %s", log.Bytes()) + return nil + } + } + tests := [...]struct { + readable int + limit int64 + }{ + 0: {99, 100}, + 1: {100, 100}, + 2: {101, 100}, + } + for i, tt := range tests { + rc := MaxBytesReader(nil, io.NopCloser(bytes.NewReader(make([]byte, tt.readable))), tt.limit) + if err := isSticky(rc); err != nil { + t.Errorf("%d. error: %v", i, err) + } + } +} + +// Issue 45101: maxBytesReader's Read panicked when n < -1. This test +// also ensures that Read treats negative limits as equivalent to 0. +func TestMaxBytesReaderDifferentLimits(t *testing.T) { + const testStr = "1234" + tests := [...]struct { + limit int64 + lenP int + wantN int + wantErr bool + }{ + 0: { + limit: -123, + lenP: 0, + wantN: 0, + wantErr: false, // Ensure we won't return an error when the limit is negative, but we don't need to read. + }, + 1: { + limit: -100, + lenP: 32 * 1024, + wantN: 0, + wantErr: true, + }, + 2: { + limit: -2, + lenP: 1, + wantN: 0, + wantErr: true, + }, + 3: { + limit: -1, + lenP: 2, + wantN: 0, + wantErr: true, + }, + 4: { + limit: 0, + lenP: 3, + wantN: 0, + wantErr: true, + }, + 5: { + limit: 1, + lenP: 4, + wantN: 1, + wantErr: true, + }, + 6: { + limit: 2, + lenP: 5, + wantN: 2, + wantErr: true, + }, + 7: { + limit: 3, + lenP: 2, + wantN: 2, + wantErr: false, + }, + 8: { + limit: int64(len(testStr)), + lenP: len(testStr), + wantN: len(testStr), + wantErr: false, + }, + 9: { + limit: 100, + lenP: 6, + wantN: len(testStr), + wantErr: false, + }, + 10: { /* Issue 54408 */ + limit: int64(1<<63 - 1), + lenP: len(testStr), + wantN: len(testStr), + wantErr: false, + }, + } + for i, tt := range tests { + rc := MaxBytesReader(nil, io.NopCloser(strings.NewReader(testStr)), tt.limit) + + n, err := rc.Read(make([]byte, tt.lenP)) + + if n != tt.wantN { + t.Errorf("%d. n: %d, want n: %d", i, n, tt.wantN) + } + + if (err != nil) != tt.wantErr { + t.Errorf("%d. error: %v", i, err) + } + } +} + +func TestWithContextNilURL(t *testing.T) { + req, err := NewRequest("POST", "https://golang.org/", nil) + if err != nil { + t.Fatal(err) + } + + // Issue 20601 + req.URL = nil + reqCopy := req.WithContext(context.Background()) + if reqCopy.URL != nil { + t.Error("expected nil URL in cloned request") + } +} + +// Ensure that Request.Clone creates a deep copy of TransferEncoding. +// See issue 41907. +func TestRequestCloneTransferEncoding(t *testing.T) { + body := strings.NewReader("body") + req, _ := NewRequest("POST", "https://example.org/", body) + req.TransferEncoding = []string{ + "encoding1", + } + + clonedReq := req.Clone(context.Background()) + // modify original after deep copy + req.TransferEncoding[0] = "encoding2" + + if req.TransferEncoding[0] != "encoding2" { + t.Error("expected req.TransferEncoding to be changed") + } + if clonedReq.TransferEncoding[0] != "encoding1" { + t.Error("expected clonedReq.TransferEncoding to be unchanged") + } +} + +// Ensure that Request.Clone works correctly with PathValue. +// See issue 64911. +func TestRequestClonePathValue(t *testing.T) { + req, _ := http.NewRequest("GET", "https://example.org/", nil) + req.SetPathValue("p1", "orig") + + clonedReq := req.Clone(context.Background()) + clonedReq.SetPathValue("p2", "copy") + + // Ensure that any modifications to the cloned + // request do not pollute the original request. + if g, w := req.PathValue("p2"), ""; g != w { + t.Fatalf("p2 mismatch got %q, want %q", g, w) + } + if g, w := req.PathValue("p1"), "orig"; g != w { + t.Fatalf("p1 mismatch got %q, want %q", g, w) + } + + // Assert on the changes to the cloned request. + if g, w := clonedReq.PathValue("p1"), "orig"; g != w { + t.Fatalf("p1 mismatch got %q, want %q", g, w) + } + if g, w := clonedReq.PathValue("p2"), "copy"; g != w { + t.Fatalf("p2 mismatch got %q, want %q", g, w) + } +} + +// Issue 34878: verify we don't panic when including basic auth (Go 1.13 regression) +func TestNoPanicOnRoundTripWithBasicAuth(t *testing.T) { run(t, testNoPanicWithBasicAuth) } +func testNoPanicWithBasicAuth(t *testing.T, mode testMode) { + cst := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {})) + + u, err := url.Parse(cst.ts.URL) + if err != nil { + t.Fatal(err) + } + u.User = url.UserPassword("foo", "bar") + req := &Request{ + URL: u, + Method: "GET", + } + if _, err := cst.c.Do(req); err != nil { + t.Fatalf("Unexpected error: %v", err) + } +} + +// verify that NewRequest sets Request.GetBody and that it works +func TestNewRequestGetBody(t *testing.T) { + tests := []struct { + r io.Reader + }{ + {r: strings.NewReader("hello")}, + {r: bytes.NewReader([]byte("hello"))}, + {r: bytes.NewBuffer([]byte("hello"))}, + } + for i, tt := range tests { + req, err := NewRequest("POST", "http://foo.tld/", tt.r) + if err != nil { + t.Errorf("test[%d]: %v", i, err) + continue + } + if req.Body == nil { + t.Errorf("test[%d]: Body = nil", i) + continue + } + if req.GetBody == nil { + t.Errorf("test[%d]: GetBody = nil", i) + continue + } + slurp1, err := io.ReadAll(req.Body) + if err != nil { + t.Errorf("test[%d]: ReadAll(Body) = %v", i, err) + } + newBody, err := req.GetBody() + if err != nil { + t.Errorf("test[%d]: GetBody = %v", i, err) + } + slurp2, err := io.ReadAll(newBody) + if err != nil { + t.Errorf("test[%d]: ReadAll(GetBody()) = %v", i, err) + } + if string(slurp1) != string(slurp2) { + t.Errorf("test[%d]: Body %q != GetBody %q", i, slurp1, slurp2) + } + } +} + +func testMissingFile(t *testing.T, req *Request) { + f, fh, err := req.FormFile("missing") + if f != nil { + t.Errorf("FormFile file = %v, want nil", f) + } + if fh != nil { + t.Errorf("FormFile file header = %v, want nil", fh) + } + if err != ErrMissingFile { + t.Errorf("FormFile err = %q, want ErrMissingFile", err) + } +} + +func newTestMultipartRequest(t *testing.T) *Request { + b := strings.NewReader(strings.ReplaceAll(message, "\n", "\r\n")) + req, err := NewRequest("POST", "/", b) + if err != nil { + t.Fatal("NewRequest:", err) + } + ctype := fmt.Sprintf(`multipart/form-data; boundary="%s"`, boundary) + req.Header.Set("Content-type", ctype) + return req +} + +func validateTestMultipartContents(t *testing.T, req *Request, allMem bool) { + if g, e := req.FormValue("texta"), textaValue; g != e { + t.Errorf("texta value = %q, want %q", g, e) + } + if g, e := req.FormValue("textb"), textbValue; g != e { + t.Errorf("textb value = %q, want %q", g, e) + } + if g := req.FormValue("missing"); g != "" { + t.Errorf("missing value = %q, want empty string", g) + } + + assertMem := func(n string, fd multipart.File) { + if _, ok := fd.(*os.File); ok { + t.Error(n, " is *os.File, should not be") + } + } + fda := testMultipartFile(t, req, "filea", "filea.txt", fileaContents) + defer fda.Close() + assertMem("filea", fda) + fdb := testMultipartFile(t, req, "fileb", "fileb.txt", filebContents) + defer fdb.Close() + if allMem { + assertMem("fileb", fdb) + } else { + if _, ok := fdb.(*os.File); !ok { + t.Errorf("fileb has unexpected underlying type %T", fdb) + } + } + + testMissingFile(t, req) +} + +func testMultipartFile(t *testing.T, req *Request, key, expectFilename, expectContent string) multipart.File { + f, fh, err := req.FormFile(key) + if err != nil { + t.Fatalf("FormFile(%q): %q", key, err) + } + if fh.Filename != expectFilename { + t.Errorf("filename = %q, want %q", fh.Filename, expectFilename) + } + var b strings.Builder + _, err = io.Copy(&b, f) + if err != nil { + t.Fatal("copying contents:", err) + } + if g := b.String(); g != expectContent { + t.Errorf("contents = %q, want %q", g, expectContent) + } + return f +} + +// Issue 53181: verify Request.Cookie return the correct Cookie. +// Return ErrNoCookie instead of the first cookie when name is "". +func TestRequestCookie(t *testing.T) { + for _, tt := range []struct { + name string + value string + expectedErr error + }{ + { + name: "foo", + value: "bar", + expectedErr: nil, + }, + { + name: "", + expectedErr: ErrNoCookie, + }, + } { + req, err := NewRequest("GET", "http://example.com/", nil) + if err != nil { + t.Fatal(err) + } + req.AddCookie(&Cookie{Name: tt.name, Value: tt.value}) + c, err := req.Cookie(tt.name) + if err != tt.expectedErr { + t.Errorf("got %v, want %v", err, tt.expectedErr) + } + + // skip if error occurred. + if err != nil { + continue + } + if c.Value != tt.value { + t.Errorf("got %v, want %v", c.Value, tt.value) + } + if c.Name != tt.name { + t.Errorf("got %s, want %v", tt.name, c.Name) + } + } +} + +const ( + fileaContents = "This is a test file." + filebContents = "Another test file." + textaValue = "foo" + textbValue = "bar" + boundary = `MyBoundary` +) + +const message = ` +--MyBoundary +Content-Disposition: form-data; name="filea"; filename="filea.txt" +Content-Type: text/plain + +` + fileaContents + ` +--MyBoundary +Content-Disposition: form-data; name="fileb"; filename="fileb.txt" +Content-Type: text/plain + +` + filebContents + ` +--MyBoundary +Content-Disposition: form-data; name="texta" + +` + textaValue + ` +--MyBoundary +Content-Disposition: form-data; name="textb" + +` + textbValue + ` +--MyBoundary-- +` + +func benchmarkReadRequest(b *testing.B, request string) { + request = request + "\n" // final \n + request = strings.ReplaceAll(request, "\n", "\r\n") // expand \n to \r\n + b.SetBytes(int64(len(request))) + r := bufio.NewReader(&infiniteReader{buf: []byte(request)}) + b.ReportAllocs() + b.ResetTimer() + for i := 0; i < b.N; i++ { + _, err := ReadRequest(r) + if err != nil { + b.Fatalf("failed to read request: %v", err) + } + } +} + +// infiniteReader satisfies Read requests as if the contents of buf +// loop indefinitely. +type infiniteReader struct { + buf []byte + offset int +} + +func (r *infiniteReader) Read(b []byte) (int, error) { + n := copy(b, r.buf[r.offset:]) + r.offset = (r.offset + n) % len(r.buf) + return n, nil +} + +func BenchmarkReadRequestChrome(b *testing.B) { + // https://github.com/felixge/node-http-perf/blob/master/fixtures/get.http + benchmarkReadRequest(b, `GET / HTTP/1.1 +Host: localhost:8080 +Connection: keep-alive +Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 +User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.52 Safari/537.17 +Accept-Encoding: gzip,deflate,sdch +Accept-Language: en-US,en;q=0.8 +Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 +Cookie: __utma=1.1978842379.1323102373.1323102373.1323102373.1; EPi:NumberOfVisits=1,2012-02-28T13:42:18; CrmSession=5b707226b9563e1bc69084d07a107c98; plushContainerWidth=100%25; plushNoTopMenu=0; hudson_auto_refresh=false +`) +} + +func BenchmarkReadRequestCurl(b *testing.B) { + // curl http://localhost:8080/ + benchmarkReadRequest(b, `GET / HTTP/1.1 +User-Agent: curl/7.27.0 +Host: localhost:8080 +Accept: */* +`) +} + +func BenchmarkReadRequestApachebench(b *testing.B) { + // ab -n 1 -c 1 http://localhost:8080/ + benchmarkReadRequest(b, `GET / HTTP/1.0 +Host: localhost:8080 +User-Agent: ApacheBench/2.3 +Accept: */* +`) +} + +func BenchmarkReadRequestSiege(b *testing.B) { + // siege -r 1 -c 1 http://localhost:8080/ + benchmarkReadRequest(b, `GET / HTTP/1.1 +Host: localhost:8080 +Accept: */* +Accept-Encoding: gzip +User-Agent: JoeDog/1.00 [en] (X11; I; Siege 2.70) +Connection: keep-alive +`) +} + +func BenchmarkReadRequestWrk(b *testing.B) { + // wrk -t 1 -r 1 -c 1 http://localhost:8080/ + benchmarkReadRequest(b, `GET / HTTP/1.1 +Host: localhost:8080 +`) +} + +func BenchmarkFileAndServer_1KB(b *testing.B) { + benchmarkFileAndServer(b, 1<<10) +} + +func BenchmarkFileAndServer_16MB(b *testing.B) { + benchmarkFileAndServer(b, 1<<24) +} + +func BenchmarkFileAndServer_64MB(b *testing.B) { + benchmarkFileAndServer(b, 1<<26) +} + +func benchmarkFileAndServer(b *testing.B, n int64) { + f, err := os.CreateTemp(os.TempDir(), "go-bench-http-file-and-server") + if err != nil { + b.Fatalf("Failed to create temp file: %v", err) + } + + defer func() { + f.Close() + os.RemoveAll(f.Name()) + }() + + if _, err := io.CopyN(f, rand.Reader, n); err != nil { + b.Fatalf("Failed to copy %d bytes: %v", n, err) + } + + run(b, func(b *testing.B, mode testMode) { + runFileAndServerBenchmarks(b, mode, f, n) + }, []testMode{http1Mode, https1Mode, http2Mode}) +} + +func runFileAndServerBenchmarks(b *testing.B, mode testMode, f *os.File, n int64) { + handler := HandlerFunc(func(rw ResponseWriter, req *Request) { + defer req.Body.Close() + nc, err := io.Copy(io.Discard, req.Body) + if err != nil { + panic(err) + } + + if nc != n { + panic(fmt.Errorf("Copied %d Wanted %d bytes", nc, n)) + } + }) + + cst := newClientServerTest(b, mode, handler).ts + + b.ResetTimer() + for i := 0; i < b.N; i++ { + // Perform some setup. + b.StopTimer() + if _, err := f.Seek(0, 0); err != nil { + b.Fatalf("Failed to seek back to file: %v", err) + } + + b.StartTimer() + req, err := NewRequest("PUT", cst.URL, io.NopCloser(f)) + if err != nil { + b.Fatal(err) + } + + req.ContentLength = n + // Prevent mime sniffing by setting the Content-Type. + req.Header.Set("Content-Type", "application/octet-stream") + res, err := cst.Client().Do(req) + if err != nil { + b.Fatalf("Failed to make request to backend: %v", err) + } + + res.Body.Close() + b.SetBytes(n) + } +} + +func TestErrNotSupported(t *testing.T) { + if !errors.Is(ErrNotSupported, errors.ErrUnsupported) { + t.Error("errors.Is(ErrNotSupported, errors.ErrUnsupported) failed") + } +} + +func TestPathValueNoMatch(t *testing.T) { + // Check that PathValue and SetPathValue work on a Request that was never matched. + var r Request + if g, w := r.PathValue("x"), ""; g != w { + t.Errorf("got %q, want %q", g, w) + } + r.SetPathValue("x", "a") + if g, w := r.PathValue("x"), "a"; g != w { + t.Errorf("got %q, want %q", g, w) + } +} + +func TestPathValue(t *testing.T) { + for _, test := range []struct { + pattern string + url string + want map[string]string + }{ + { + "/{a}/is/{b}/{c...}", + "/now/is/the/time/for/all", + map[string]string{ + "a": "now", + "b": "the", + "c": "time/for/all", + "d": "", + }, + }, + { + "/names/{name}/{other...}", + "/names/%2fjohn/address", + map[string]string{ + "name": "/john", + "other": "address", + }, + }, + { + "/names/{name}/{other...}", + "/names/john%2Fdoe/there/is%2F/more", + map[string]string{ + "name": "john/doe", + "other": "there/is//more", + }, + }, + } { + mux := NewServeMux() + mux.HandleFunc(test.pattern, func(w ResponseWriter, r *Request) { + for name, want := range test.want { + got := r.PathValue(name) + if got != want { + t.Errorf("%q, %q: got %q, want %q", test.pattern, name, got, want) + } + } + }) + server := httptest.NewServer(mux) + defer server.Close() + res, err := Get(server.URL + test.url) + if err != nil { + t.Fatal(err) + } + res.Body.Close() + } +} + +func TestSetPathValue(t *testing.T) { + mux := NewServeMux() + mux.HandleFunc("/a/{b}/c/{d...}", func(_ ResponseWriter, r *Request) { + kvs := map[string]string{ + "b": "X", + "d": "Y", + "a": "Z", + } + for k, v := range kvs { + r.SetPathValue(k, v) + } + for k, w := range kvs { + if g := r.PathValue(k); g != w { + t.Errorf("got %q, want %q", g, w) + } + } + }) + server := httptest.NewServer(mux) + defer server.Close() + res, err := Get(server.URL + "/a/b/c/d/e") + if err != nil { + t.Fatal(err) + } + res.Body.Close() +} + +func TestStatus(t *testing.T) { + // The main purpose of this test is to check 405 responses and the Allow header. + h := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}) + mux := NewServeMux() + mux.Handle("GET /g", h) + mux.Handle("POST /p", h) + mux.Handle("PATCH /p", h) + mux.Handle("PUT /r", h) + mux.Handle("GET /r/", h) + server := httptest.NewServer(mux) + defer server.Close() + + for _, test := range []struct { + method, path string + wantStatus int + wantAllow string + }{ + {"GET", "/g", 200, ""}, + {"HEAD", "/g", 200, ""}, + {"POST", "/g", 405, "GET, HEAD"}, + {"GET", "/x", 404, ""}, + {"GET", "/p", 405, "PATCH, POST"}, + {"GET", "/./p", 405, "PATCH, POST"}, + {"GET", "/r/", 200, ""}, + {"GET", "/r", 200, ""}, // redirected + {"HEAD", "/r/", 200, ""}, + {"HEAD", "/r", 200, ""}, // redirected + {"PUT", "/r/", 405, "GET, HEAD"}, + {"PUT", "/r", 200, ""}, + } { + req, err := http.NewRequest(test.method, server.URL+test.path, nil) + if err != nil { + t.Fatal(err) + } + res, err := http.DefaultClient.Do(req) + if err != nil { + t.Fatal(err) + } + res.Body.Close() + if g, w := res.StatusCode, test.wantStatus; g != w { + t.Errorf("%s %s: got %d, want %d", test.method, test.path, g, w) + } + if g, w := res.Header.Get("Allow"), test.wantAllow; g != w { + t.Errorf("%s %s, Allow: got %q, want %q", test.method, test.path, g, w) + } + } +} |