Files
vikunja/pkg/modules/migration/helpers_test.go

108 lines
3.3 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-present Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package migration
import (
"net/http"
"net/http/httptest"
"net/url"
"strings"
"sync/atomic"
"testing"
)
func TestDoPostWithHeaders_RetriesOn500(t *testing.T) {
var attempts atomic.Int32
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
count := attempts.Add(1)
if count < 3 {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}))
defer server.Close()
form := url.Values{"key": {"value"}}
resp, err := DoPostWithHeaders(server.URL, form, map[string]string{})
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
t.Errorf("expected status 200, got %d", resp.StatusCode)
}
if attempts.Load() != 3 {
t.Errorf("expected 3 attempts, got %d", attempts.Load())
}
}
func TestDoPostWithHeaders_GivesUpAfter3Retries(t *testing.T) {
var attempts atomic.Int32
expectedBody := "Internal Server Error: database connection failed"
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
attempts.Add(1)
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte(expectedBody))
}))
defer server.Close()
form := url.Values{"key": {"value"}}
resp, err := DoPostWithHeaders(server.URL, form, map[string]string{})
if err == nil {
t.Fatal("expected error after exhausted retries, got nil")
}
if !strings.Contains(err.Error(), expectedBody) {
t.Errorf("expected error message to contain response body %q, got: %s", expectedBody, err.Error())
}
if resp == nil {
t.Fatal("expected response to be returned with error, got nil")
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusInternalServerError {
t.Errorf("expected status 500, got %d", resp.StatusCode)
}
if attempts.Load() != 3 {
t.Errorf("expected 3 attempts, got %d", attempts.Load())
}
}
func TestDoPostWithHeaders_DoesNotRetryOn4xx(t *testing.T) {
var attempts atomic.Int32
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
attempts.Add(1)
w.WriteHeader(http.StatusBadRequest)
}))
defer server.Close()
form := url.Values{"key": {"value"}}
resp, err := DoPostWithHeaders(server.URL, form, map[string]string{})
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusBadRequest {
t.Errorf("expected status 400, got %d", resp.StatusCode)
}
if attempts.Load() != 1 {
t.Errorf("expected 1 attempt (no retries on 4xx), got %d", attempts.Load())
}
}