114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log_test
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import (
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"context"
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"io"
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"os"
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"testing"
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"github.com/aws/smithy-go"
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"github.com/pingcap/errors"
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zaplog "github.com/pingcap/log"
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"github.com/pingcap/tidb/pkg/lightning/log"
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"github.com/pingcap/tidb/pkg/util/logutil"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func TestConfigAdjust(t *testing.T) {
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cfg := &log.Config{}
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cfg.Adjust()
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require.Equal(t, "info", cfg.Level)
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cfg.File = "."
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err := log.InitLogger(cfg, "info")
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require.EqualError(t, err, "can't use directory as log file name")
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}
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func TestTestLogger(t *testing.T) {
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logger, buffer := log.MakeTestLogger()
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logger.Warn("the message", zap.Int("number", 123456), zap.Ints("array", []int{7, 8, 9}))
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require.Equal(t, `{"$lvl":"WARN","$msg":"the message","number":123456,"array":[7,8,9]}`, buffer.Stripped())
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}
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func TestInitStdoutLogger(t *testing.T) {
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r, w, err := os.Pipe()
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require.NoError(t, err)
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oldStdout := os.Stdout
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os.Stdout = w
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msg := "logger is initialized to stdout"
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outputC := make(chan string, 1)
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go func() {
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buf := make([]byte, 4096)
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n := 0
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for {
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nn, err := r.Read(buf[n:])
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if nn == 0 || err == io.EOF {
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break
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}
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require.NoError(t, err)
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n += nn
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}
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outputC <- string(buf[:n])
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}()
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logCfg := &log.Config{File: "-"}
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err = log.InitLogger(logCfg, "info")
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require.NoError(t, err)
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log.L().Info(msg)
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os.Stdout = oldStdout
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require.NoError(t, w.Close())
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output := <-outputC
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require.NoError(t, r.Close())
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require.Contains(t, output, msg)
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// filter packages on default
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require.Equal(t, "", os.Getenv(logutil.GRPCDebugEnvName))
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require.IsType(t, &log.FilterCore{}, log.L().Logger.Core())
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// output all packages when EnableDiagnoseLogs=true
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logCfg.EnableDiagnoseLogs = true
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require.NoError(t, log.InitLogger(logCfg, "info"))
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require.IsType(t, &zaplog.TextIOCore{}, log.L().Logger.Core())
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require.Equal(t, "true", os.Getenv(logutil.GRPCDebugEnvName))
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// reset GRPCDebugEnvName
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require.NoError(t, os.Unsetenv(logutil.GRPCDebugEnvName))
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}
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func TestIsContextCanceledError(t *testing.T) {
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require.True(t, log.IsContextCanceledError(context.Canceled))
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require.True(t, log.IsContextCanceledError(status.Error(codes.Canceled, "")))
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require.True(t, log.IsContextCanceledError(errors.Annotate(context.Canceled, "foo")))
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// Test smithy CanceledError
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require.True(t, log.IsContextCanceledError(&smithy.CanceledError{
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Err: context.Canceled,
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}))
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// Test smithy operation error wrapping context.Canceled
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require.True(t, log.IsContextCanceledError(&smithy.OperationError{
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ServiceID: "TestService",
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OperationName: "TestOperation",
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Err: context.Canceled,
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}))
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require.False(t, log.IsContextCanceledError(nil))
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}
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