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test_log.go
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test_log.go
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// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package logging
import (
"errors"
"sync"
)
var (
errNoLoggerWrite = errors.New("NoLogger can't write")
)
// NoLog ...
type NoLog struct{}
func (NoLog) Write([]byte) (int, error) { return 0, errNoLoggerWrite }
// Fatal ...
func (NoLog) Fatal(format string, args ...interface{}) {}
// Error ...
func (NoLog) Error(format string, args ...interface{}) {}
// Warn ...
func (NoLog) Warn(format string, args ...interface{}) {}
// Info ...
func (NoLog) Info(format string, args ...interface{}) {}
// Debug ...
func (NoLog) Debug(format string, args ...interface{}) {}
// Verbo ...
func (NoLog) Verbo(format string, args ...interface{}) {}
// AssertNoError ...
func (NoLog) AssertNoError(error) {}
// AssertTrue ...
func (NoLog) AssertTrue(b bool, format string, args ...interface{}) {}
// AssertDeferredTrue ...
func (NoLog) AssertDeferredTrue(f func() bool, format string, args ...interface{}) {}
// AssertDeferredNoError ...
func (NoLog) AssertDeferredNoError(f func() error) {}
// StopOnPanic ...
func (NoLog) StopOnPanic() {}
// RecoverAndPanic ...
func (NoLog) RecoverAndPanic(f func()) { f() }
// RecoverAndExit ...
func (NoLog) RecoverAndExit(f, exit func()) { defer exit(); f() }
// Stop ...
func (NoLog) Stop() {}
// SetLogLevel ...
func (NoLog) SetLogLevel(Level) {}
// SetDisplayLevel ...
func (NoLog) SetDisplayLevel(Level) {}
// SetPrefix ...
func (NoLog) SetPrefix(string) {}
// SetLoggingEnabled ...
func (NoLog) SetLoggingEnabled(bool) {}
// SetDisplayingEnabled ...
func (NoLog) SetDisplayingEnabled(bool) {}
// SetContextualDisplayingEnabled ...
func (NoLog) SetContextualDisplayingEnabled(bool) {}
// NoIOWriter is a mock Writer that does not write to any underlying source
type NoIOWriter struct{}
// Initialize ...
func (nw *NoIOWriter) Initialize(Config) error { return nil }
// Flush ...
func (nw *NoIOWriter) Flush() error { return nil }
// Write ...
func (nw *NoIOWriter) Write(p []byte) (int, error) { return len(p), nil }
// WriteString ...
func (nw *NoIOWriter) WriteString(s string) (int, error) { return len(s), nil }
// Close ...
func (nw *NoIOWriter) Close() error { return nil }
// Rotate ...
func (nw *NoIOWriter) Rotate() error { return nil }
// NewTestLog ...
func NewTestLog(config Config) (*Log, error) {
l := &Log{
config: config,
writer: &NoIOWriter{},
}
l.needsFlush = sync.NewCond(&l.flushLock)
l.wg.Add(1)
go l.RecoverAndPanic(l.run)
return l, nil
}