nghttp2/integration-tests/nghttpx_http1_test.go

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package nghttp2
import (
"bufio"
"fmt"
"github.com/bradfitz/http2/hpack"
"io"
"net/http"
"syscall"
"testing"
)
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// TestH1H1PlainGET tests whether simple HTTP/1 GET request works.
func TestH1H1PlainGET(t *testing.T) {
st := newServerTester(nil, t, noopHandler)
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1PlainGET",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
want := 200
if got := res.status; got != want {
t.Errorf("status = %v; want %v", got, want)
}
}
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// TestH1H1PlainGETClose tests whether simple HTTP/1 GET request with
// Connetion: close request header field works.
func TestH1H1PlainGETClose(t *testing.T) {
st := newServerTester(nil, t, noopHandler)
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1PlainGETClose",
header: []hpack.HeaderField{
pair("Connection", "close"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
want := 200
if got := res.status; got != want {
t.Errorf("status = %v; want %v", got, want)
}
}
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// TestH1H1MultipleRequestCL tests that server rejects request which
// contains multiple Content-Length header fields.
func TestH1H1MultipleRequestCL(t *testing.T) {
st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
t.Errorf("server should not forward bad request")
})
defer st.Close()
if _, err := io.WriteString(st.conn, fmt.Sprintf(`GET / HTTP/1.1
Host: %v
Test-Case: TestH1H1MultipleRequestCL
Content-Length: 0
Content-Length: 0
`, st.authority)); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
want := 400
if got := resp.StatusCode; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
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// TestH1H1ConnectFailure tests that server handles the situation that
// connection attempt to HTTP/1 backend failed.
func TestH1H1ConnectFailure(t *testing.T) {
st := newServerTester(nil, t, noopHandler)
defer st.Close()
// shutdown backend server to simulate backend connect failure
st.ts.Close()
res, err := st.http1(requestParam{
name: "TestH1H1ConnectFailure",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
want := 503
if got := res.status; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
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// TestH1H1GracefulShutdown tests graceful shutdown.
func TestH1H1GracefulShutdown(t *testing.T) {
st := newServerTester(nil, t, noopHandler)
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1GracefulShutdown-1",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
st.cmd.Process.Signal(syscall.SIGQUIT)
res, err = st.http1(requestParam{
name: "TestH1H1GracefulShutdown-2",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := res.connClose, true; got != want {
t.Errorf("res.connClose: %v; want %v", got, want)
}
want := io.EOF
if _, err := st.conn.Read(nil); err == nil || err != want {
t.Errorf("st.conn.Read(): %v; want %v", err, want)
}
}
// TestH1H1HostRewrite tests that server rewrites Host header field
func TestH1H1HostRewrite(t *testing.T) {
st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("request-host", r.Host)
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1HostRewrite",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := res.header.Get("request-host"), st.backendHost; got != want {
t.Errorf("request-host: %v; want %v", got, want)
}
}
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// TestH1H1HTTP10 tests that server can accept HTTP/1.0 request
// without Host header field
func TestH1H1HTTP10(t *testing.T) {
st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("request-host", r.Host)
})
defer st.Close()
if _, err := io.WriteString(st.conn, "GET / HTTP/1.0\r\nTest-Case: TestH1H1HTTP10\r\n\r\n"); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
if got, want := resp.StatusCode, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := resp.Header.Get("request-host"), st.backendHost; got != want {
t.Errorf("request-host: %v; want %v", got, want)
}
}
// TestH1H1HTTP10NoHostRewrite tests that server generates host header
// field using actual backend server even if --no-http-rewrite is
// used.
func TestH1H1HTTP10NoHostRewrite(t *testing.T) {
st := newServerTester([]string{"--no-host-rewrite"}, t, func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("request-host", r.Host)
})
defer st.Close()
if _, err := io.WriteString(st.conn, "GET / HTTP/1.0\r\nTest-Case: TestH1H1HTTP10NoHostRewrite\r\n\r\n"); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
if got, want := resp.StatusCode, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := resp.Header.Get("request-host"), st.backendHost; got != want {
t.Errorf("request-host: %v; want %v", got, want)
}
}
// TestH1H1RequestTrailer tests request trailer part is forwarded to
// backend.
func TestH1H1RequestTrailer(t *testing.T) {
st := newServerTester(nil, t, func(w http.ResponseWriter, r *http.Request) {
buf := make([]byte, 4096)
for {
_, err := r.Body.Read(buf)
if err == io.EOF {
break
}
if err != nil {
t.Fatalf("r.Body.Read() = %v", err)
}
}
if got, want := r.Trailer.Get("foo"), "bar"; got != want {
t.Errorf("r.Trailer.Get(foo): %v; want %v", got, want)
}
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1RequestTrailer",
body: []byte("1"),
trailer: []hpack.HeaderField{
pair("foo", "bar"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 200; got != want {
t.Errorf("res.status: %v; want %v", got, want)
}
}
// TestH1H1HeaderFieldBufferPath tests that request with request path
// larger than configured buffer size is rejected.
func TestH1H1HeaderFieldBufferPath(t *testing.T) {
// The value 100 is chosen so that sum of header fields bytes
// does not exceed it. We use > 100 bytes URI to exceed this
// limit.
st := newServerTester([]string{"--header-field-buffer=100"}, t, func(w http.ResponseWriter, r *http.Request) {
t.Fatal("execution path should not be here")
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1HeaderFieldBufferPath",
path: "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 431; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
// TestH1H1HeaderFieldBuffer tests that request with header fields
// larger than configured buffer size is rejected.
func TestH1H1HeaderFieldBuffer(t *testing.T) {
st := newServerTester([]string{"--header-field-buffer=10"}, t, func(w http.ResponseWriter, r *http.Request) {
t.Fatal("execution path should not be here")
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1HeaderFieldBuffer",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 431; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
// TestH1H1HeaderFields tests that request with header fields more
// than configured number is rejected.
func TestH1H1HeaderFields(t *testing.T) {
st := newServerTester([]string{"--max-header-fields=1"}, t, func(w http.ResponseWriter, r *http.Request) {
t.Fatal("execution path should not be here")
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H1HeaderFields",
header: []hpack.HeaderField{
// Add extra header field to ensure that
// header field limit exceeds
pair("Connection", "close"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 431; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
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// TestH1H2ConnectFailure tests that server handles the situation that
// connection attempt to HTTP/2 backend failed.
func TestH1H2ConnectFailure(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, noopHandler)
defer st.Close()
// simulate backend connect attempt failure
st.ts.Close()
res, err := st.http1(requestParam{
name: "TestH1H2ConnectFailure",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
want := 503
if got := res.status; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
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// TestH1H2NoHost tests that server rejects request without Host
// header field for HTTP/2 backend.
func TestH1H2NoHost(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
t.Errorf("server should not forward bad request")
})
defer st.Close()
// without Host header field, we expect 400 response
if _, err := io.WriteString(st.conn, "GET / HTTP/1.1\r\nTest-Case: TestH1H2NoHost\r\n\r\n"); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
want := 400
if got := resp.StatusCode; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
// TestH1H2HTTP10 tests that server can accept HTTP/1.0 request
// without Host header field
func TestH1H2HTTP10(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("request-host", r.Host)
})
defer st.Close()
if _, err := io.WriteString(st.conn, "GET / HTTP/1.0\r\nTest-Case: TestH1H2HTTP10\r\n\r\n"); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
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if got, want := resp.StatusCode, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := resp.Header.Get("request-host"), st.backendHost; got != want {
t.Errorf("request-host: %v; want %v", got, want)
}
}
// TestH1H2HTTP10NoHostRewrite tests that server generates host header
// field using actual backend server even if --no-http-rewrite is
// used.
func TestH1H2HTTP10NoHostRewrite(t *testing.T) {
st := newServerTester([]string{"--http2-bridge", "--no-host-rewrite"}, t, func(w http.ResponseWriter, r *http.Request) {
w.Header().Add("request-host", r.Host)
})
defer st.Close()
if _, err := io.WriteString(st.conn, "GET / HTTP/1.0\r\nTest-Case: TestH1H2HTTP10NoHostRewrite\r\n\r\n"); err != nil {
t.Fatalf("Error io.WriteString() = %v", err)
}
resp, err := http.ReadResponse(bufio.NewReader(st.conn), nil)
if err != nil {
t.Fatalf("Error http.ReadResponse() = %v", err)
}
if got, want := resp.StatusCode, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
if got, want := resp.Header.Get("request-host"), st.backendHost; got != want {
t.Errorf("request-host: %v; want %v", got, want)
}
}
// TestH1H2CrumbleCookie tests that Cookies are crumbled and assembled
// when forwarding to HTTP/2 backend link. go-nghttp2 server
// concatenates crumbled Cookies automatically, so this test is not
// much effective now.
func TestH1H2CrumbleCookie(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Header.Get("Cookie"), "alpha; bravo; charlie"; got != want {
t.Errorf("Cookie: %v; want %v", got, want)
}
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H2CrumbleCookie",
header: []hpack.HeaderField{
pair("Cookie", "alpha; bravo; charlie"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.status, 200; got != want {
t.Errorf("status: %v; want %v", got, want)
}
}
// TestH1H2GenerateVia tests that server generates Via header field to and
// from backend server.
func TestH1H2GenerateVia(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Header.Get("Via"), "1.1 nghttpx"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H2GenerateVia",
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.header.Get("Via"), "2 nghttpx"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
}
// TestH1H2AppendVia tests that server adds value to existing Via
// header field to and from backend server.
func TestH1H2AppendVia(t *testing.T) {
st := newServerTester([]string{"--http2-bridge"}, t, func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Header.Get("Via"), "foo, 1.1 nghttpx"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
w.Header().Add("Via", "bar")
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H2AppendVia",
header: []hpack.HeaderField{
pair("via", "foo"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.header.Get("Via"), "bar, 2 nghttpx"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
}
// TestH1H2NoVia tests that server does not add value to existing Via
// header field to and from backend server.
func TestH1H2NoVia(t *testing.T) {
st := newServerTester([]string{"--http2-bridge", "--no-via"}, t, func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Header.Get("Via"), "foo"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
w.Header().Add("Via", "bar")
})
defer st.Close()
res, err := st.http1(requestParam{
name: "TestH1H2NoVia",
header: []hpack.HeaderField{
pair("via", "foo"),
},
})
if err != nil {
t.Fatalf("Error st.http1() = %v", err)
}
if got, want := res.header.Get("Via"), "bar"; got != want {
t.Errorf("Via: %v; want %v", got, want)
}
}