debian-mirror-gitlab/workhorse/internal/testhelper/testhelper.go

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package testhelper
import (
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path"
"regexp"
"runtime"
"testing"
"time"
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"github.com/golang-jwt/jwt/v4"
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"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/labkit/log"
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"gitlab.com/gitlab-org/gitlab/workhorse/internal/secret"
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)
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const (
geoProxyEndpointPath = "/api/v4/geo/proxy"
)
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func ConfigureSecret() {
secret.SetPath(path.Join(RootDir(), "testdata/test-secret"))
}
func RequireResponseBody(t *testing.T, response *httptest.ResponseRecorder, expectedBody string) {
t.Helper()
require.Equal(t, expectedBody, response.Body.String(), "response body")
}
func RequireResponseHeader(t *testing.T, w interface{}, header string, expected ...string) {
t.Helper()
var actual []string
header = http.CanonicalHeaderKey(header)
type headerer interface{ Header() http.Header }
switch resp := w.(type) {
case *http.Response:
actual = resp.Header[header]
case headerer:
actual = resp.Header()[header]
default:
t.Fatal("invalid type of w passed RequireResponseHeader")
}
require.Equal(t, expected, actual, "values for HTTP header %s", header)
}
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// TestServerWithHandler skips Geo API polling for a proxy URL by default,
// use TestServerWithHandlerWithGeoPolling if you need to explicitly
// handle Geo API polling request as well.
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func TestServerWithHandler(url *regexp.Regexp, handler http.HandlerFunc) *httptest.Server {
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return TestServerWithHandlerWithGeoPolling(url, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == geoProxyEndpointPath {
return
}
handler(w, r)
}))
}
func TestServerWithHandlerWithGeoPolling(url *regexp.Regexp, handler http.HandlerFunc) *httptest.Server {
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return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
logEntry := log.WithFields(log.Fields{
"method": r.Method,
"url": r.URL,
"action": "DENY",
})
if url != nil && !url.MatchString(r.URL.Path) {
logEntry.Info("UPSTREAM")
w.WriteHeader(404)
return
}
if version := r.Header.Get("Gitlab-Workhorse"); version == "" {
logEntry.Info("UPSTREAM")
w.WriteHeader(403)
return
}
handler(w, r)
}))
}
var workhorseExecutables = []string{"gitlab-workhorse", "gitlab-zip-cat", "gitlab-zip-metadata", "gitlab-resize-image"}
func BuildExecutables() error {
rootDir := RootDir()
for _, exe := range workhorseExecutables {
if _, err := os.Stat(path.Join(rootDir, exe)); os.IsNotExist(err) {
return fmt.Errorf("cannot find executable %s. Please run 'make prepare-tests'", exe)
}
}
oldPath := os.Getenv("PATH")
testPath := fmt.Sprintf("%s:%s", rootDir, oldPath)
if err := os.Setenv("PATH", testPath); err != nil {
return fmt.Errorf("failed to set PATH to %v", testPath)
}
return nil
}
func RootDir() string {
_, currentFile, _, ok := runtime.Caller(0)
if !ok {
panic(errors.New("RootDir: calling runtime.Caller failed"))
}
return path.Join(path.Dir(currentFile), "../..")
}
func LoadFile(t *testing.T, filePath string) string {
t.Helper()
content, err := ioutil.ReadFile(path.Join(RootDir(), filePath))
require.NoError(t, err)
return string(content)
}
func ReadAll(t *testing.T, r io.Reader) []byte {
t.Helper()
b, err := ioutil.ReadAll(r)
require.NoError(t, err)
return b
}
func ParseJWT(token *jwt.Token) (interface{}, error) {
// Don't forget to validate the alg is what you expect:
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
ConfigureSecret()
secretBytes, err := secret.Bytes()
if err != nil {
return nil, fmt.Errorf("read secret from file: %v", err)
}
return secretBytes, nil
}
// UploadClaims represents the JWT claim for upload parameters
type UploadClaims struct {
Upload map[string]string `json:"upload"`
jwt.StandardClaims
}
func Retry(t testing.TB, timeout time.Duration, fn func() error) {
t.Helper()
start := time.Now()
var err error
for ; time.Since(start) < timeout; time.Sleep(time.Millisecond) {
err = fn()
if err == nil {
return
}
}
t.Fatalf("test timeout after %v; last error: %v", timeout, err)
}
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func SetupStaticFileHelper(t *testing.T, fpath, content, directory string) string {
cwd, err := os.Getwd()
require.NoError(t, err, "get working directory")
absDocumentRoot := path.Join(cwd, directory)
require.NoError(t, os.MkdirAll(path.Join(absDocumentRoot, path.Dir(fpath)), 0755), "create document root")
staticFile := path.Join(absDocumentRoot, fpath)
require.NoError(t, ioutil.WriteFile(staticFile, []byte(content), 0666), "write file content")
return absDocumentRoot
}