github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/pgwire/pgerror/pgcode_test.go (about)

     1  // Copyright 2019 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package pgerror_test
    12  
    13  import (
    14  	"context"
    15  	"fmt"
    16  	"strings"
    17  	"testing"
    18  
    19  	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgcode"
    20  	"github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgerror"
    21  	"github.com/cockroachdb/errors"
    22  	"github.com/cockroachdb/errors/testutils"
    23  )
    24  
    25  func TestPGCode(t *testing.T) {
    26  	tt := testutils.T{T: t}
    27  
    28  	testData := []struct {
    29  		outerCode    string
    30  		innerCode    string
    31  		innerErr     error
    32  		expectedCode string
    33  	}{
    34  		{"foo", "bar", errors.New("world"), "bar"},
    35  		{"foo", pgcode.Uncategorized, errors.New("world"), "foo"},
    36  		{pgcode.Uncategorized, "foo", errors.New("world"), "foo"},
    37  		{"foo", "bar", errors.WithAssertionFailure(errors.New("world")), pgcode.Internal},
    38  		{"foo", "bar", errors.UnimplementedError(errors.IssueLink{}, "world"), pgcode.FeatureNotSupported},
    39  		{"foo", pgcode.Internal, errors.New("world"), pgcode.Internal},
    40  		{pgcode.Internal, "foo", errors.New("world"), pgcode.Internal},
    41  	}
    42  
    43  	for _, t := range testData {
    44  		tt.Run(fmt.Sprintf("%s/%s/%s", t.outerCode, t.innerCode, t.innerErr),
    45  			func(tt testutils.T) {
    46  				origErr := t.innerErr
    47  				origErr = pgerror.WithCandidateCode(origErr, t.innerCode)
    48  				origErr = pgerror.WithCandidateCode(origErr, t.outerCode)
    49  
    50  				theTest := func(tt testutils.T, err error) {
    51  					tt.Check(errors.Is(err, t.innerErr))
    52  					tt.CheckEqual(err.Error(), t.innerErr.Error())
    53  
    54  					tt.Check(pgerror.HasCandidateCode(err))
    55  
    56  					code := pgerror.GetPGCodeInternal(err, pgerror.ComputeDefaultCode)
    57  					tt.CheckEqual(code, t.expectedCode)
    58  
    59  					errV := fmt.Sprintf("%+v", err)
    60  					tt.Check(strings.Contains(errV, "code: "+t.innerCode))
    61  					tt.Check(strings.Contains(errV, "code: "+t.outerCode))
    62  				}
    63  
    64  				tt.Run("local", func(tt testutils.T) { theTest(tt, origErr) })
    65  
    66  				enc := errors.EncodeError(context.Background(), origErr)
    67  				newErr := errors.DecodeError(context.Background(), enc)
    68  
    69  				tt.Run("remote", func(tt testutils.T) { theTest(tt, newErr) })
    70  
    71  			})
    72  	}
    73  
    74  }