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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package newrelic
import (
"bufio"
"io"
"net"
"net/http"
"testing"
)
type rwNoExtraMethods struct {
hijackCalled bool
readFromCalled bool
flushCalled bool
closeNotifyCalled bool
}
type rwTwoExtraMethods struct{ rwNoExtraMethods }
type rwAllExtraMethods struct{ rwTwoExtraMethods }
func (rw *rwAllExtraMethods) CloseNotify() <-chan bool {
rw.closeNotifyCalled = true
return nil
}
func (rw *rwAllExtraMethods) ReadFrom(r io.Reader) (int64, error) {
rw.readFromCalled = true
return 0, nil
}
func (rw *rwNoExtraMethods) Header() http.Header { return nil }
func (rw *rwNoExtraMethods) Write([]byte) (int, error) { return 0, nil }
func (rw *rwNoExtraMethods) WriteHeader(statusCode int) {}
func (rw *rwTwoExtraMethods) Flush() {
rw.flushCalled = true
}
func (rw *rwTwoExtraMethods) Hijack() (net.Conn, *bufio.ReadWriter, error) {
rw.hijackCalled = true
return nil, nil, nil
}
func TestTransactionAllExtraMethods(t *testing.T) {
app := testApp(nil, nil, t)
rw := &rwAllExtraMethods{}
txn := app.StartTransaction("hello", rw, nil)
if v, ok := txn.(http.CloseNotifier); ok {
v.CloseNotify()
}
if v, ok := txn.(http.Flusher); ok {
v.Flush()
}
if v, ok := txn.(http.Hijacker); ok {
v.Hijack()
}
if v, ok := txn.(io.ReaderFrom); ok {
v.ReadFrom(nil)
}
if !rw.hijackCalled ||
!rw.readFromCalled ||
!rw.flushCalled ||
!rw.closeNotifyCalled {
t.Error("wrong methods called", rw)
}
}
func TestTransactionNoExtraMethods(t *testing.T) {
app := testApp(nil, nil, t)
rw := &rwNoExtraMethods{}
txn := app.StartTransaction("hello", rw, nil)
if _, ok := txn.(http.CloseNotifier); ok {
t.Error("unexpected CloseNotifier method")
}
if _, ok := txn.(http.Flusher); ok {
t.Error("unexpected Flusher method")
}
if _, ok := txn.(http.Hijacker); ok {
t.Error("unexpected Hijacker method")
}
if _, ok := txn.(io.ReaderFrom); ok {
t.Error("unexpected ReaderFrom method")
}
}
func TestTransactionTwoExtraMethods(t *testing.T) {
app := testApp(nil, nil, t)
rw := &rwTwoExtraMethods{}
txn := app.StartTransaction("hello", rw, nil)
if _, ok := txn.(http.CloseNotifier); ok {
t.Error("unexpected CloseNotifier method")
}
if v, ok := txn.(http.Flusher); ok {
v.Flush()
}
if v, ok := txn.(http.Hijacker); ok {
v.Hijack()
}
if _, ok := txn.(io.ReaderFrom); ok {
t.Error("unexpected ReaderFrom method")
}
if !rw.hijackCalled ||
rw.readFromCalled ||
!rw.flushCalled ||
rw.closeNotifyCalled {
t.Error("wrong methods called", rw)
}
}
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