| /* |
| Copyright 2017 Google LLC |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package spanner |
| |
| import ( |
| "context" |
| "errors" |
| "strings" |
| "testing" |
| |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| ) |
| |
| type wrappedTestError struct { |
| wrapped error |
| msg string |
| } |
| |
| func (w *wrappedTestError) Error() string { |
| return w.msg |
| } |
| |
| func (w *wrappedTestError) Unwrap() error { |
| return w.wrapped |
| } |
| |
| func TestToSpannerError(t *testing.T) { |
| for _, test := range []struct { |
| err error |
| wantCode codes.Code |
| wantMsg string |
| wantWrappedError error |
| }{ |
| {errors.New("wha?"), codes.Unknown, `spanner: code = "Unknown", desc = "wha?"`, errors.New("wha?")}, |
| {context.Canceled, codes.Canceled, `spanner: code = "Canceled", desc = "context canceled"`, status.Errorf(codes.Canceled, "context canceled")}, |
| {context.DeadlineExceeded, codes.DeadlineExceeded, `spanner: code = "DeadlineExceeded", desc = "context deadline exceeded"`, status.Errorf(codes.DeadlineExceeded, "context deadline exceeded")}, |
| {status.Errorf(codes.ResourceExhausted, "so tired"), codes.ResourceExhausted, `spanner: code = "ResourceExhausted", desc = "so tired"`, status.Errorf(codes.ResourceExhausted, "so tired")}, |
| {spannerErrorf(codes.InvalidArgument, "bad"), codes.InvalidArgument, `spanner: code = "InvalidArgument", desc = "bad"`, status.Errorf(codes.InvalidArgument, "bad")}, |
| {&wrappedTestError{ |
| wrapped: spannerErrorf(codes.Aborted, "Transaction aborted"), |
| msg: "error with wrapped Spanner error", |
| }, codes.Aborted, `spanner: code = "Aborted", desc = "Transaction aborted"`, status.Errorf(codes.Aborted, "Transaction aborted")}, |
| {&wrappedTestError{ |
| wrapped: errors.New("wha?"), |
| msg: "error with wrapped non-gRPC and non-Spanner error", |
| }, codes.Unknown, `spanner: code = "Unknown", desc = "error with wrapped non-gRPC and non-Spanner error"`, |
| &wrappedTestError{ |
| wrapped: errors.New("wha?"), |
| msg: "error with wrapped non-gRPC and non-Spanner error"}}, |
| } { |
| err := toSpannerError(test.err) |
| errDuringCommit := toSpannerErrorWithCommitInfo(test.err, true) |
| if got, want := ErrCode(err), test.wantCode; got != want { |
| t.Errorf("%v: got %s, want %s", test.err, got, want) |
| } |
| converted := status.Convert(err) |
| if converted.Code() != test.wantCode { |
| t.Errorf("%v: got status %v, want status %v", test.err, converted.Code(), test.wantCode) |
| } |
| if got, want := err.Error(), test.wantMsg; got != want { |
| t.Errorf("%v: got msg %s, want mgs %s", test.err, got, want) |
| } |
| if got, want := err.(*Error).err, test.wantWrappedError; got.Error() != want.Error() { |
| t.Errorf("%v: Wrapped mismatch\nGot: %v\nWant: %v", test.err, got, want) |
| } |
| code := status.Code(errDuringCommit) |
| gotWrappedDuringCommit := errDuringCommit.(*Error).err |
| // Only DEADLINE_EXCEEDED and CANCELED should indicate that the |
| // transaction outcome is unknown. |
| if code == codes.DeadlineExceeded || code == codes.Canceled { |
| if !strings.Contains(errDuringCommit.Error(), transactionOutcomeUnknownMsg) { |
| t.Errorf(`%v: Missing %q from error during commit.\nGot: %v`, test.err, transactionOutcomeUnknownMsg, errDuringCommit) |
| } |
| wantWrappedDuringCommit := &TransactionOutcomeUnknownError{} |
| if gotWrappedDuringCommit.Error() != wantWrappedDuringCommit.Error() { |
| t.Errorf("%v: Wrapped commit error mismatch\nGot: %v\nWant: %v", test.err, gotWrappedDuringCommit, wantWrappedDuringCommit) |
| } |
| } else { |
| if strings.Contains(errDuringCommit.Error(), transactionOutcomeUnknownMsg) { |
| t.Errorf(`%v: Got unexpected %q in error during commit.\nGot: %v`, test.err, transactionOutcomeUnknownMsg, errDuringCommit) |
| } |
| wantWrappedDuringCommit := test.wantWrappedError |
| if gotWrappedDuringCommit.Error() != wantWrappedDuringCommit.Error() { |
| t.Errorf("%v: Wrapped commit error mismatch\nGot: %v\nWant: %v", test.err, gotWrappedDuringCommit, wantWrappedDuringCommit) |
| } |
| } |
| } |
| } |