package h2mux import ( "context" "testing" "time" "github.com/stretchr/testify/assert" ) var ( methodHeader = Header{ Name: ":method", Value: "GET", } schemeHeader = Header{ Name: ":scheme", Value: "https", } pathHeader = Header{ Name: ":path", Value: "/api/tunnels", } tunnelHostnameHeader = Header{ Name: CloudflaredProxyTunnelHostnameHeader, Value: "tunnel.example.com", } respStatusHeader = Header{ Name: ":status", Value: "200", } ) type mockOriginStreamHandler struct { stream *MuxedStream } func (mosh *mockOriginStreamHandler) ServeStream(stream *MuxedStream) error { mosh.stream = stream // Echo tunnel hostname in header stream.WriteHeaders([]Header{respStatusHeader}) return nil } func getCloudflaredProxyTunnelHostnameHeader(stream *MuxedStream) string { for _, header := range stream.Headers { if header.Name == CloudflaredProxyTunnelHostnameHeader { return header.Value } } return "" } func assertOpenStreamSucceed(t *testing.T, stream *MuxedStream, err error) { assert.NoError(t, err) assert.Len(t, stream.Headers, 1) assert.Equal(t, respStatusHeader, stream.Headers[0]) } func TestMissingHeaders(t *testing.T) { originHandler := &mockOriginStreamHandler{} muxPair := NewDefaultMuxerPair(t, t.Name(), originHandler.ServeStream) muxPair.Serve(t) ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() reqHeaders := []Header{ { Name: "content-type", Value: "application/json", }, } // Request doesn't contain CloudflaredProxyTunnelHostnameHeader stream, err := muxPair.EdgeMux.OpenStream(ctx, reqHeaders, nil) assertOpenStreamSucceed(t, stream, err) assert.Empty(t, originHandler.stream.method) assert.Empty(t, originHandler.stream.path) assert.False(t, originHandler.stream.TunnelHostname().IsSet()) } func TestReceiveHeaderData(t *testing.T) { originHandler := &mockOriginStreamHandler{} muxPair := NewDefaultMuxerPair(t, t.Name(), originHandler.ServeStream) muxPair.Serve(t) reqHeaders := []Header{ methodHeader, schemeHeader, pathHeader, tunnelHostnameHeader, } ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() reqHeaders = append(reqHeaders, tunnelHostnameHeader) stream, err := muxPair.EdgeMux.OpenStream(ctx, reqHeaders, nil) assertOpenStreamSucceed(t, stream, err) assert.Equal(t, methodHeader.Value, originHandler.stream.method) assert.Equal(t, pathHeader.Value, originHandler.stream.path) assert.True(t, originHandler.stream.TunnelHostname().IsSet()) assert.Equal(t, tunnelHostnameHeader.Value, originHandler.stream.TunnelHostname().String()) }