github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/pkg/logutil/log_test.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package logutil
    15  
    16  import (
    17  	"context"
    18  	"path/filepath"
    19  	"testing"
    20  
    21  	"github.com/pingcap/check"
    22  	"github.com/pingcap/errors"
    23  	"github.com/pingcap/log"
    24  	"github.com/pingcap/ticdc/pkg/util/testleak"
    25  	"go.uber.org/zap"
    26  	"go.uber.org/zap/zapcore"
    27  )
    28  
    29  func TestSuite(t *testing.T) {
    30  	check.TestingT(t)
    31  }
    32  
    33  type logSuite struct{}
    34  
    35  var _ = check.Suite(&logSuite{})
    36  
    37  func (s *logSuite) TestInitLoggerAndSetLogLevel(c *check.C) {
    38  	defer testleak.AfterTest(c)()
    39  	f := filepath.Join(c.MkDir(), "test")
    40  	cfg := &Config{
    41  		Level: "warning",
    42  		File:  f,
    43  	}
    44  	cfg.Adjust()
    45  	err := InitLogger(cfg)
    46  	c.Assert(err, check.IsNil)
    47  	c.Assert(log.GetLevel(), check.Equals, zapcore.WarnLevel)
    48  
    49  	// Set a different level.
    50  	err = SetLogLevel("info")
    51  	c.Assert(err, check.IsNil)
    52  	c.Assert(log.GetLevel(), check.Equals, zapcore.InfoLevel)
    53  
    54  	// Set the same level.
    55  	err = SetLogLevel("info")
    56  	c.Assert(err, check.IsNil)
    57  	c.Assert(log.GetLevel(), check.Equals, zapcore.InfoLevel)
    58  
    59  	// Set an invalid level.
    60  	err = SetLogLevel("badlevel")
    61  	c.Assert(err, check.NotNil)
    62  }
    63  
    64  func (s *logSuite) TestZapErrorFilter(c *check.C) {
    65  	defer testleak.AfterTest(c)()
    66  	var (
    67  		err       = errors.New("test error")
    68  		testCases = []struct {
    69  			err      error
    70  			filters  []error
    71  			expected zap.Field
    72  		}{
    73  			{nil, []error{}, zap.Error(nil)},
    74  			{err, []error{}, zap.Error(err)},
    75  			{err, []error{context.Canceled}, zap.Error(err)},
    76  			{err, []error{err}, zap.Error(nil)},
    77  			{context.Canceled, []error{context.Canceled}, zap.Error(nil)},
    78  			{errors.Annotate(context.Canceled, "annotate error"), []error{context.Canceled}, zap.Error(nil)},
    79  		}
    80  	)
    81  	for _, tc := range testCases {
    82  		c.Assert(ZapErrorFilter(tc.err, tc.filters...), check.DeepEquals, tc.expected)
    83  	}
    84  }