| /* |
| 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" |
| "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 |
| }{ |
| {errors.New("wha?"), codes.Unknown, `spanner: code = "Unknown", desc = "wha?"`}, |
| {context.Canceled, codes.Canceled, `spanner: code = "Canceled", desc = "context canceled"`}, |
| {context.DeadlineExceeded, codes.DeadlineExceeded, `spanner: code = "DeadlineExceeded", desc = "context deadline exceeded"`}, |
| {status.Errorf(codes.ResourceExhausted, "so tired"), codes.ResourceExhausted, `spanner: code = "ResourceExhausted", desc = "so tired"`}, |
| {spannerErrorf(codes.InvalidArgument, "bad"), codes.InvalidArgument, `spanner: code = "InvalidArgument", desc = "bad"`}, |
| {&wrappedTestError{ |
| wrapped: spannerErrorf(codes.Aborted, "Transaction aborted"), |
| msg: "error with wrapped Spanner error", |
| }, codes.Aborted, `spanner: code = "Aborted", desc = "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"`}, |
| } { |
| err := toSpannerError(test.err) |
| 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) |
| } |
| } |
| } |