Function PanicOnLog

tstest/log.go:58–60

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.

()

// 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{})
}

// NewLogLineTracker produces a LogLineTracker wrapping a given logf that tracks whether expectedFormatStrings were seen.
func NewLogLineTracker(logf logger.Logf, expectedFormatStrings []string) *LogLineTracker {