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testhelper.go
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testhelper.go
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package testhelper
import (
"bufio"
"bytes"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"path"
"regexp"
"runtime"
"strings"
"testing"
log "github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitlab-workhorse/internal/secret"
)
func ConfigureSecret() {
secret.SetPath(path.Join(RootDir(), "testdata/test-secret"))
}
var extractPatchSeriesMatcher = regexp.MustCompile(`^From (\w+)`)
// AssertPatchSeries takes a `git format-patch` blob, extracts the From xxxxx
// lines and compares the SHAs to expected list.
func AssertPatchSeries(t *testing.T, blob []byte, expected ...string) {
var actual []string
footer := make([]string, 3)
scanner := bufio.NewScanner(bytes.NewReader(blob))
for scanner.Scan() {
line := scanner.Text()
if matches := extractPatchSeriesMatcher.FindStringSubmatch(line); len(matches) == 2 {
actual = append(actual, matches[1])
}
footer = []string{footer[1], footer[2], line}
}
if strings.Join(actual, "\n") != strings.Join(expected, "\n") {
t.Fatalf("Patch series differs. Expected: %v. Got: %v", expected, actual)
}
// Check the last returned patch is complete
// Don't assert on the final line, it is a git version
if footer[0] != "-- " {
t.Fatalf("Expected end of patch, found: \n\t%q", strings.Join(footer, "\n\t"))
}
}
func AssertResponseCode(t *testing.T, response *httptest.ResponseRecorder, expectedCode int) {
if response.Code != expectedCode {
t.Fatalf("for HTTP request expected to get %d, got %d instead", expectedCode, response.Code)
}
}
func AssertResponseBody(t *testing.T, response *httptest.ResponseRecorder, expectedBody string) {
if response.Body.String() != expectedBody {
t.Fatalf("for HTTP request expected to receive %q, got %q instead as body", expectedBody, response.Body.String())
}
}
func AssertResponseBodyRegexp(t *testing.T, response *httptest.ResponseRecorder, expectedBody *regexp.Regexp) {
if !expectedBody.MatchString(response.Body.String()) {
t.Fatalf("for HTTP request expected to receive body matching %q, got %q instead", expectedBody.String(), response.Body.String())
}
}
func AssertResponseWriterHeader(t *testing.T, w http.ResponseWriter, header string, expected ...string) {
actual := w.Header()[http.CanonicalHeaderKey(header)]
assertHeaderExists(t, header, actual, expected)
}
func AssertResponseHeader(t *testing.T, w interface{}, header string, expected ...string) {
var actual []string
header = http.CanonicalHeaderKey(header)
if resp, ok := w.(*http.Response); ok {
actual = resp.Header[header]
} else if resp, ok := w.(http.ResponseWriter); ok {
actual = resp.Header()[header]
} else if resp, ok := w.(*httptest.ResponseRecorder); ok {
actual = resp.Header()[header]
} else {
t.Fatalf("invalid type of w passed AssertResponseHeader")
}
assertHeaderExists(t, header, actual, expected)
}
func assertHeaderExists(t *testing.T, header string, actual, expected []string) {
if len(expected) != len(actual) {
t.Fatalf("for HTTP request expected to receive the header %q with %+v, got %+v", header, expected, actual)
}
for i, value := range expected {
if value != actual[i] {
t.Fatalf("for HTTP request expected to receive the header %q with %+v, got %+v", header, expected, actual)
}
}
}
func TestServerWithHandler(url *regexp.Regexp, handler http.HandlerFunc) *httptest.Server {
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if url != nil && !url.MatchString(r.URL.Path) {
log.Println("UPSTREAM", r.Method, r.URL, "DENY")
w.WriteHeader(404)
return
}
if version := r.Header.Get("Gitlab-Workhorse"); version == "" {
log.Println("UPSTREAM", r.Method, r.URL, "DENY")
w.WriteHeader(403)
return
}
handler(w, r)
}))
}
var workhorseExecutables = []string{"gitlab-workhorse", "gitlab-zip-cat", "gitlab-zip-metadata"}
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 {
content, err := ioutil.ReadFile(path.Join(RootDir(), filePath))
if err != nil {
t.Fatal(err)
}
return string(content)
}