| // Copyright 2021 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 bigquery |
| |
| import ( |
| "errors" |
| "io" |
| "net/http" |
| "net/url" |
| "testing" |
| |
| "golang.org/x/xerrors" |
| "google.golang.org/api/googleapi" |
| ) |
| |
| func TestRetryableErrors(t *testing.T) { |
| testCases := []struct { |
| description string |
| in error |
| useJobRetryReasons bool |
| wantRetry bool |
| }{ |
| { |
| description: "nil error", |
| in: nil, |
| wantRetry: false, |
| }, |
| { |
| description: "http stream closed", |
| in: errors.New("http2: stream closed"), |
| wantRetry: true, |
| }, |
| { |
| description: "io ErrUnexpectedEOF", |
| in: io.ErrUnexpectedEOF, |
| wantRetry: true, |
| }, |
| { |
| description: "unavailable", |
| in: &googleapi.Error{ |
| Code: http.StatusServiceUnavailable, |
| Message: "foo", |
| }, |
| wantRetry: true, |
| }, |
| { |
| description: "url connection error", |
| in: &url.Error{Op: "blah", URL: "blah", Err: errors.New("connection refused")}, |
| wantRetry: true, |
| }, |
| { |
| description: "url other error", |
| in: &url.Error{Op: "blah", URL: "blah", Err: errors.New("blah")}, |
| wantRetry: false, |
| }, |
| { |
| description: "wrapped retryable", |
| in: xerrors.Errorf("test of wrapped retryable: %w", &googleapi.Error{ |
| Code: http.StatusServiceUnavailable, |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "backendError", Message: "foo"}, |
| }, |
| }), |
| wantRetry: true, |
| }, |
| { |
| description: "wrapped non-retryable", |
| in: xerrors.Errorf("test of wrapped retryable: %w", errors.New("blah")), |
| wantRetry: false, |
| }, |
| { |
| // not retried per https://google.aip.dev/194 |
| description: "internal error", |
| in: &googleapi.Error{ |
| Code: http.StatusInternalServerError, |
| }, |
| wantRetry: true, |
| }, |
| { |
| description: "internal w/backend reason", |
| in: &googleapi.Error{ |
| Code: http.StatusServiceUnavailable, |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "backendError", Message: "foo"}, |
| }, |
| }, |
| wantRetry: true, |
| }, |
| { |
| description: "internal w/rateLimitExceeded reason", |
| in: &googleapi.Error{ |
| Code: http.StatusServiceUnavailable, |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "rateLimitExceeded", Message: "foo"}, |
| }, |
| }, |
| wantRetry: true, |
| }, |
| { |
| description: "bad gateway error", |
| in: &googleapi.Error{ |
| Code: http.StatusBadGateway, |
| Message: "foo", |
| }, |
| wantRetry: true, |
| }, |
| { |
| description: "jobRateLimitExceeded default", |
| in: &googleapi.Error{ |
| Code: http.StatusOK, // ensure we're testing the reason |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "jobRateLimitExceeded", Message: "foo"}, |
| }, |
| }, |
| wantRetry: false, |
| }, |
| { |
| description: "jobRateLimitExceeded job", |
| in: &googleapi.Error{ |
| Code: http.StatusOK, // ensure we're testing the reason |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "jobRateLimitExceeded", Message: "foo"}, |
| }, |
| }, |
| useJobRetryReasons: true, |
| wantRetry: true, |
| }, |
| { |
| description: "structured internal error default", |
| in: &googleapi.Error{ |
| Code: http.StatusOK, // ensure we're testing the reason |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "internalError", Message: "foo"}, |
| }, |
| }, |
| wantRetry: false, |
| }, |
| { |
| description: "structured internal error default", |
| in: &googleapi.Error{ |
| Code: http.StatusOK, // ensure we're testing the reason |
| Message: "foo", |
| Errors: []googleapi.ErrorItem{ |
| {Reason: "internalError", Message: "foo"}, |
| }, |
| }, |
| useJobRetryReasons: true, |
| wantRetry: true, |
| }, |
| } |
| |
| for _, testcase := range testCases { |
| tc := testcase |
| t.Run(tc.description, func(t *testing.T) { |
| t.Parallel() |
| reasons := defaultRetryReasons |
| if tc.useJobRetryReasons { |
| reasons = jobRetryReasons |
| } |
| got := retryableError(tc.in, reasons) |
| if got != tc.wantRetry { |
| t.Errorf("case (%s) mismatch: got %t wantRetry %t", tc.description, got, tc.wantRetry) |
| } |
| }) |
| } |
| } |