mirror of
https://github.com/caddyserver/caddy.git
synced 2024-12-16 21:56:40 -05:00
3f48a2eb45
* added sni tests * set the default sni when there is no host to match * removed invalid sni test. Disabled tests that rely on host headers. * readded SNI tests. Added logging of config load times
281 lines
7.6 KiB
Go
281 lines
7.6 KiB
Go
package caddytest
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import (
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"bytes"
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"context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"net"
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"net/http"
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"os"
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"path"
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"regexp"
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"runtime"
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"strings"
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"testing"
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"time"
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)
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// Defaults store any configuration required to make the tests run
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type Defaults struct {
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// Port we expect caddy to listening on
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AdminPort int
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// Certificates we expect to be loaded before attempting to run the tests
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Certifcates []string
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}
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// Default testing values
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var Default = Defaults{
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AdminPort: 2019,
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Certifcates: []string{"/caddy.localhost.crt", "/caddy.localhost.key"},
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}
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var (
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matchKey = regexp.MustCompile(`(/[\w\d\.]+\.key)`)
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matchCert = regexp.MustCompile(`(/[\w\d\.]+\.crt)`)
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)
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type configLoadError struct {
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Response string
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}
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func (e configLoadError) Error() string { return e.Response }
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func timeElapsed(start time.Time, name string) {
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elapsed := time.Since(start)
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log.Printf("%s took %s", name, elapsed)
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}
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// InitServer this will configure the server with a configurion of a specific
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// type. The configType must be either "json" or the adapter type.
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func InitServer(t *testing.T, rawConfig string, configType string) {
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if err := initServer(t, rawConfig, configType); errors.Is(err, &configLoadError{}) {
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t.Logf("failed to load config: %s", err)
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t.Fail()
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}
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}
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// InitServer this will configure the server with a configurion of a specific
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// type. The configType must be either "json" or the adapter type.
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func initServer(t *testing.T, rawConfig string, configType string) error {
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err := validateTestPrerequisites()
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if err != nil {
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t.Skipf("skipping tests as failed integration prerequisites. %s", err)
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return nil
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}
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t.Cleanup(func() {
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if t.Failed() {
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res, err := http.Get(fmt.Sprintf("http://localhost:%d/config/", Default.AdminPort))
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if err != nil {
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t.Log("unable to read the current config")
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}
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defer res.Body.Close()
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body, err := ioutil.ReadAll(res.Body)
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var out bytes.Buffer
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json.Indent(&out, body, "", " ")
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t.Logf("----------- failed with config -----------\n%s", out.String())
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}
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})
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rawConfig = prependCaddyFilePath(rawConfig)
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client := &http.Client{
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Timeout: time.Second * 2,
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}
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start := time.Now()
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req, err := http.NewRequest("POST", fmt.Sprintf("http://localhost:%d/load", Default.AdminPort), strings.NewReader(rawConfig))
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if err != nil {
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t.Errorf("failed to create request. %s", err)
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return err
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}
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if configType == "json" {
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req.Header.Add("Content-Type", "application/json")
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} else {
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req.Header.Add("Content-Type", "text/"+configType)
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}
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res, err := client.Do(req)
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if err != nil {
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t.Errorf("unable to contact caddy server. %s", err)
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return err
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}
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timeElapsed(start, "caddytest: config load time")
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defer res.Body.Close()
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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t.Errorf("unable to read response. %s", err)
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return err
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}
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if res.StatusCode != 200 {
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return configLoadError{Response: string(body)}
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}
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return nil
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}
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var hasValidated bool
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var arePrerequisitesValid bool
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func validateTestPrerequisites() error {
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if hasValidated {
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if !arePrerequisitesValid {
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return errors.New("caddy integration prerequisites failed. see first error")
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}
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return nil
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}
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hasValidated = true
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arePrerequisitesValid = false
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// check certificates are found
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for _, certName := range Default.Certifcates {
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if _, err := os.Stat(getIntegrationDir() + certName); os.IsNotExist(err) {
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return fmt.Errorf("caddy integration test certificates (%s) not found", certName)
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}
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}
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// assert that caddy is running
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client := &http.Client{
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Timeout: time.Second * 2,
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}
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_, err := client.Get(fmt.Sprintf("http://localhost:%d/config/", Default.AdminPort))
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if err != nil {
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return errors.New("caddy integration test caddy server not running. Expected to be listening on localhost:2019")
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}
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arePrerequisitesValid = true
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return nil
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}
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func getIntegrationDir() string {
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_, filename, _, ok := runtime.Caller(1)
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if !ok {
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panic("unable to determine the current file path")
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}
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return path.Dir(filename)
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}
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// use the convention to replace /[certificatename].[crt|key] with the full path
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// this helps reduce the noise in test configurations and also allow this
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// to run in any path
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func prependCaddyFilePath(rawConfig string) string {
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r := matchKey.ReplaceAllString(rawConfig, getIntegrationDir()+"$1")
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r = matchCert.ReplaceAllString(r, getIntegrationDir()+"$1")
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return r
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}
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// creates a testing transport that forces call dialing connections to happen locally
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func createTestingTransport() *http.Transport {
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dialer := net.Dialer{
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Timeout: 5 * time.Second,
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KeepAlive: 5 * time.Second,
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DualStack: true,
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}
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dialContext := func(ctx context.Context, network, addr string) (net.Conn, error) {
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parts := strings.Split(addr, ":")
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destAddr := fmt.Sprintf("127.0.0.1:%s", parts[1])
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log.Printf("caddytest: redirecting the dialer from %s to %s", addr, destAddr)
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return dialer.DialContext(ctx, network, destAddr)
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}
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return &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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DialContext: dialContext,
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ForceAttemptHTTP2: true,
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MaxIdleConns: 100,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 5 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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}
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// AssertLoadError will load a config and expect an error
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func AssertLoadError(t *testing.T, rawConfig string, configType string, expectedError string) {
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err := initServer(t, rawConfig, configType)
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if !strings.Contains(err.Error(), expectedError) {
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t.Errorf("expected error \"%s\" but got \"%s\"", expectedError, err.Error())
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}
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}
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// AssertGetResponse request a URI and assert the status code and the body contains a string
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func AssertGetResponse(t *testing.T, requestURI string, statusCode int, expectedBody string) (*http.Response, string) {
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resp, body := AssertGetResponseBody(t, requestURI, statusCode)
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if !strings.Contains(body, expectedBody) {
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t.Errorf("requesting \"%s\" expected response body \"%s\" but got \"%s\"", requestURI, expectedBody, body)
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}
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return resp, string(body)
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}
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// AssertGetResponseBody request a URI and assert the status code matches
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func AssertGetResponseBody(t *testing.T, requestURI string, expectedStatusCode int) (*http.Response, string) {
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client := &http.Client{
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Transport: createTestingTransport(),
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}
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resp, err := client.Get(requestURI)
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if err != nil {
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t.Errorf("failed to call server %s", err)
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return nil, ""
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}
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defer resp.Body.Close()
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if expectedStatusCode != resp.StatusCode {
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t.Errorf("requesting \"%s\" expected status code: %d but got %d", requestURI, expectedStatusCode, resp.StatusCode)
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Errorf("unable to read the response body %s", err)
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return nil, ""
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}
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return resp, string(body)
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}
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// AssertRedirect makes a request and asserts the redirection happens
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func AssertRedirect(t *testing.T, requestURI string, expectedToLocation string, expectedStatusCode int) *http.Response {
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redirectPolicyFunc := func(req *http.Request, via []*http.Request) error {
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return http.ErrUseLastResponse
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}
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client := &http.Client{
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CheckRedirect: redirectPolicyFunc,
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Transport: createTestingTransport(),
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}
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resp, err := client.Get(requestURI)
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if err != nil {
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t.Errorf("failed to call server %s", err)
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return nil
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}
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if expectedStatusCode != resp.StatusCode {
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t.Errorf("requesting \"%s\" expected status code: %d but got %d", requestURI, expectedStatusCode, resp.StatusCode)
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}
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loc, err := resp.Location()
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if expectedToLocation != loc.String() {
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t.Errorf("requesting \"%s\" expected location: \"%s\" but got \"%s\"", requestURI, expectedToLocation, loc.String())
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}
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return resp
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}
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