mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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0be3044b7e
* rename * rename "make grpc" * rename "abi bindings templates" * rename "abi bindings templates"
143 lines
3.3 KiB
Go
143 lines
3.3 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package testlog provides a log handler for unit tests.
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package testlog
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import (
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"sync"
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"testing"
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"github.com/ledgerwatch/erigon/log"
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)
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// Handler returns a log handler which logs to the unit test log of t.
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func Handler(t *testing.T, level log.Lvl) log.Handler {
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return log.LvlFilterHandler(level, &handler{t, log.TerminalFormat(false)})
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}
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type handler struct {
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t *testing.T
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fmt log.Format
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}
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func (h *handler) Log(r *log.Record) error {
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h.t.Logf("%s", h.fmt.Format(r))
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return nil
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}
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// logger implements log.Logger such that all output goes to the unit test log via
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// t.Logf(). All methods in between logger.Trace, logger.Debug, etc. are marked as test
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// helpers, so the file and line number in unit test output correspond to the call site
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// which emitted the log message.
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type logger struct {
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t *testing.T
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l log.Logger
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mu *sync.Mutex
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h *bufHandler
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}
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type bufHandler struct {
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buf []*log.Record
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fmt log.Format
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}
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func (h *bufHandler) Log(r *log.Record) error {
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h.buf = append(h.buf, r)
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return nil
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}
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// Logger returns a logger which logs to the unit test log of t.
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func Logger(t *testing.T, level log.Lvl) log.Logger {
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l := &logger{
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t: t,
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l: log.New(),
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mu: new(sync.Mutex),
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h: &bufHandler{fmt: log.TerminalFormat(false)},
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}
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l.l.SetHandler(log.LvlFilterHandler(level, l.h))
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return l
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}
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func (l *logger) Trace(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Trace(msg, ctx...)
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l.flush()
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}
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func (l *logger) Debug(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Debug(msg, ctx...)
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l.flush()
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}
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func (l *logger) Info(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Info(msg, ctx...)
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l.flush()
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}
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func (l *logger) Warn(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Warn(msg, ctx...)
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l.flush()
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}
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func (l *logger) Error(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Error(msg, ctx...)
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l.flush()
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}
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func (l *logger) Crit(msg string, ctx ...interface{}) {
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l.t.Helper()
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l.mu.Lock()
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defer l.mu.Unlock()
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l.l.Crit(msg, ctx...)
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l.flush()
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}
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func (l *logger) New(ctx ...interface{}) log.Logger {
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return &logger{l.t, l.l.New(ctx...), l.mu, l.h}
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}
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func (l *logger) GetHandler() log.Handler {
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return l.l.GetHandler()
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}
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func (l *logger) SetHandler(h log.Handler) {
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l.l.SetHandler(h)
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}
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// flush writes all buffered messages and clears the buffer.
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func (l *logger) flush() {
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l.t.Helper()
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for _, r := range l.h.buf {
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l.t.Logf("%s", l.h.fmt.Format(r))
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}
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l.h.buf = nil
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}
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