tstest: document PanicOnLog

reviewable/pr386/r1
Brad Fitzpatrick 4 years ago
parent e6d0c92b1d
commit 5ec7ac1d02

@ -29,13 +29,15 @@ func UnfixLogs(t *testing.T) {
defer log.SetOutput(os.Stderr)
}
type panicLogWriter struct {
}
type panicLogWriter struct{}
func (w *panicLogWriter) Write(b []byte) (int, error) {
panic("please use tailscale.com/logger.Logf instead of the log module")
func (panicLogWriter) Write(b []byte) (int, error) {
panic("please use tailscale.com/logger.Logf instead of the log package")
}
// PanicOnLog modifies the standard library log package's default output to
// an io.Writer that panics, to root out code that's not plumbing their logging
// through explicit tailscale.com/logger.Logf paths.
func PanicOnLog() {
log.SetOutput(&panicLogWriter{})
log.SetOutput(panicLogWriter{})
}

Loading…
Cancel
Save