github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/pkg/errors/helper_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 errors
    15  
    16  import (
    17  	"context"
    18  	"testing"
    19  
    20  	"github.com/pingcap/check"
    21  	"github.com/pingcap/errors"
    22  	"github.com/pingcap/ticdc/pkg/util/testleak"
    23  )
    24  
    25  func TestSuite(t *testing.T) {
    26  	check.TestingT(t)
    27  }
    28  
    29  type helperSuite struct{}
    30  
    31  var _ = check.Suite(&helperSuite{})
    32  
    33  func (s *helperSuite) TestWrapError(c *check.C) {
    34  	defer testleak.AfterTest(c)()
    35  	var (
    36  		rfcError  = ErrDecodeFailed
    37  		err       = errors.New("test")
    38  		testCases = []struct {
    39  			err      error
    40  			isNil    bool
    41  			expected string
    42  		}{
    43  			{nil, true, ""},
    44  			{err, false, "[CDC:ErrDecodeFailed]test"},
    45  		}
    46  	)
    47  	for _, tc := range testCases {
    48  		we := WrapError(rfcError, tc.err)
    49  		if tc.isNil {
    50  			c.Assert(we, check.IsNil)
    51  		} else {
    52  			c.Assert(we, check.NotNil)
    53  			c.Assert(we.Error(), check.Equals, tc.expected)
    54  		}
    55  	}
    56  }
    57  
    58  func (s *helperSuite) TestIsRetryableError(c *check.C) {
    59  	defer testleak.AfterTest(c)()
    60  
    61  	tests := []struct {
    62  		name string
    63  		err  error
    64  		want bool
    65  	}{
    66  		{"nil error", nil, false},
    67  		{"context Canceled err", context.Canceled, false},
    68  		{"context DeadlineExceeded err", context.DeadlineExceeded, false},
    69  		{"normal err", errors.New("test"), true},
    70  		{"cdc reachMaxTry err", ErrReachMaxTry, true},
    71  	}
    72  	for _, tt := range tests {
    73  		ret := IsRetryableError(tt.err)
    74  		c.Assert(ret, check.Equals, tt.want, check.Commentf("case:%s", tt.name))
    75  	}
    76  }