Files
prysm/api/server/middleware/middleware_test.go
Bastin 92bd211e4d upgrade v6 to v7 (#15989)
* upgrade v6 to v7

* changelog

* update-go-ssz
2025-11-06 16:16:23 +00:00

310 lines
8.5 KiB
Go

package middleware
import (
"bytes"
"compress/gzip"
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/OffchainLabs/prysm/v7/api"
"github.com/OffchainLabs/prysm/v7/testing/require"
log "github.com/sirupsen/logrus"
)
// frozenHeaderRecorder allows asserting that response headers were not modified
// after the call to WriteHeader.
//
// Its purpose is to have a regression test for https://github.com/OffchainLabs/prysm/pull/15499.
type frozenHeaderRecorder struct {
*httptest.ResponseRecorder
frozenHeader http.Header
}
func (r *frozenHeaderRecorder) WriteHeader(code int) {
if r.frozenHeader != nil {
return
}
r.ResponseRecorder.WriteHeader(code)
r.frozenHeader = r.ResponseRecorder.Header().Clone()
}
func TestNormalizeQueryValuesHandler(t *testing.T) {
nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte("next handler"))
require.NoError(t, err)
})
handler := NormalizeQueryValuesHandler(nextHandler)
tests := []struct {
name string
inputQuery string
expectedQuery string
}{
{
name: "3 values",
inputQuery: "key=value1,value2,value3",
expectedQuery: "key=value1&key=value2&key=value3", // replace with expected normalized value
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
req, err := http.NewRequest("GET", "/test?"+test.inputQuery, http.NoBody)
if err != nil {
t.Fatal(err)
}
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != http.StatusOK {
t.Errorf("handler returned wrong status code: got %v want %v", rr.Code, http.StatusOK)
}
if req.URL.RawQuery != test.expectedQuery {
t.Errorf("query not normalized: got %v want %v", req.URL.RawQuery, test.expectedQuery)
}
if rr.Body.String() != "next handler" {
t.Errorf("next handler was not executed")
}
})
}
}
func TestContentTypeHandler(t *testing.T) {
acceptedMediaTypes := []string{api.JsonMediaType, api.OctetStreamMediaType}
nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte("next handler"))
require.NoError(t, err)
})
handler := ContentTypeHandler(acceptedMediaTypes)(nextHandler)
tests := []struct {
name string
contentType string
expectedStatusCode int
isGet bool
}{
{
name: "Accepted Content-Type - application/json",
contentType: api.JsonMediaType,
expectedStatusCode: http.StatusOK,
},
{
name: "Accepted Content-Type - ssz format",
contentType: api.OctetStreamMediaType,
expectedStatusCode: http.StatusOK,
},
{
name: "Unsupported Content-Type - text/plain",
contentType: "text/plain",
expectedStatusCode: http.StatusUnsupportedMediaType,
},
{
name: "Missing Content-Type",
contentType: "",
expectedStatusCode: http.StatusUnsupportedMediaType,
},
{
name: "GET request skips content type check",
contentType: "",
expectedStatusCode: http.StatusOK,
isGet: true,
},
{
name: "Content type contains charset is ok",
contentType: "application/json; charset=utf-8",
expectedStatusCode: http.StatusOK,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
httpMethod := http.MethodPost
if tt.isGet {
httpMethod = http.MethodGet
}
req := httptest.NewRequest(httpMethod, "/", nil)
if tt.contentType != "" {
req.Header.Set("Content-Type", tt.contentType)
}
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if status := rr.Code; status != tt.expectedStatusCode {
t.Errorf("handler returned wrong status code: got %v want %v", status, tt.expectedStatusCode)
}
})
}
}
func TestAcceptEncodingHeaderHandler(t *testing.T) {
dummyContent := "Test gzip middleware content"
nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", r.Header.Get("Accept"))
w.WriteHeader(http.StatusOK)
_, err := w.Write([]byte(dummyContent))
require.NoError(t, err)
})
handler := AcceptEncodingHeaderHandler()(nextHandler)
tests := []struct {
name string
accept string
acceptEncoding string
expectCompressed bool
}{
{
name: "Accept gzip",
accept: api.JsonMediaType,
acceptEncoding: "gzip",
expectCompressed: true,
},
{
name: "Accept multiple encodings",
accept: api.JsonMediaType,
acceptEncoding: "deflate, gzip",
expectCompressed: true,
},
{
name: "Accept unsupported encoding",
accept: api.JsonMediaType,
acceptEncoding: "deflate",
expectCompressed: false,
},
{
name: "No accept encoding header",
accept: api.JsonMediaType,
acceptEncoding: "",
expectCompressed: false,
},
{
name: "SSZ",
accept: api.OctetStreamMediaType,
acceptEncoding: "gzip",
expectCompressed: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req := httptest.NewRequest("GET", "/", nil)
req.Header.Set("Accept", tt.accept)
if tt.acceptEncoding != "" {
req.Header.Set("Accept-Encoding", tt.acceptEncoding)
}
rr := &frozenHeaderRecorder{ResponseRecorder: httptest.NewRecorder()}
handler.ServeHTTP(rr, req)
if tt.expectCompressed {
require.Equal(t, "gzip", rr.frozenHeader.Get("Content-Encoding"), "Expected Content-Encoding header to be 'gzip'")
compressedBody := rr.Body.Bytes()
require.NotEqual(t, dummyContent, string(compressedBody), "Response body should be compressed and differ from the original")
gzReader, err := gzip.NewReader(bytes.NewReader(compressedBody))
require.NoError(t, err, "Failed to create gzipReader")
defer func() {
if err := gzReader.Close(); err != nil {
log.WithError(err).Error("Failed to close gzip reader")
}
}()
decompressedBody, err := io.ReadAll(gzReader)
require.NoError(t, err, "Failed to decompress response body")
require.Equal(t, dummyContent, string(decompressedBody), "Decompressed content should match the original")
} else {
require.Equal(t, dummyContent, rr.Body.String(), "Response body should be uncompressed and match the original")
}
})
}
}
func TestAcceptHeaderHandler(t *testing.T) {
acceptedTypes := []string{"application/json", "application/octet-stream"}
nextHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte("next handler"))
require.NoError(t, err)
})
handler := AcceptHeaderHandler(acceptedTypes)(nextHandler)
tests := []struct {
name string
acceptHeader string
expectedStatusCode int
}{
{
name: "Accepted Accept-Type - application/json",
acceptHeader: "application/json",
expectedStatusCode: http.StatusOK,
},
{
name: "Accepted Accept-Type - application/octet-stream",
acceptHeader: "application/octet-stream",
expectedStatusCode: http.StatusOK,
},
{
name: "Accepted Accept-Type with parameters",
acceptHeader: "application/json;q=0.9, application/octet-stream;q=0.8",
expectedStatusCode: http.StatusOK,
},
{
name: "Unsupported Accept-Type - text/plain",
acceptHeader: "text/plain",
expectedStatusCode: http.StatusNotAcceptable,
},
{
name: "Missing Accept header",
acceptHeader: "",
expectedStatusCode: http.StatusOK,
},
{
name: "*/* is accepted",
acceptHeader: "*/*",
expectedStatusCode: http.StatusOK,
},
{
name: "application/* is accepted",
acceptHeader: "application/*",
expectedStatusCode: http.StatusOK,
},
{
name: "/* is unsupported",
acceptHeader: "/*",
expectedStatusCode: http.StatusNotAcceptable,
},
{
name: "application/ is unsupported",
acceptHeader: "application/",
expectedStatusCode: http.StatusNotAcceptable,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req := httptest.NewRequest("GET", "/", nil)
if tt.acceptHeader != "" {
req.Header.Set("Accept", tt.acceptHeader)
}
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if status := rr.Code; status != tt.expectedStatusCode {
t.Errorf("handler returned wrong status code: got %v want %v", status, tt.expectedStatusCode)
}
})
}
}