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// Copyright 2013 The go-github AUTHORS. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package github
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path"
"reflect"
"strings"
"testing"
"time"
)
const (
// baseURLPath is a non-empty Client.BaseURL path to use during tests,
// to ensure relative URLs are used for all endpoints. See issue #752.
baseURLPath = "/api-v3"
)
// setup sets up a test HTTP server along with a github.Client that is
// configured to talk to that test server. Tests should register handlers on
// mux which provide mock responses for the API method being tested.
func setup() (client *Client, mux *http.ServeMux, serverURL string, teardown func()) {
// mux is the HTTP request multiplexer used with the test server.
mux = http.NewServeMux()
// We want to ensure that tests catch mistakes where the endpoint URL is
// specified as absolute rather than relative. It only makes a difference
// when there's a non-empty base URL path. So, use that. See issue #752.
apiHandler := http.NewServeMux()
apiHandler.Handle(baseURLPath+"/", http.StripPrefix(baseURLPath, mux))
apiHandler.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
fmt.Fprintln(os.Stderr, "FAIL: Client.BaseURL path prefix is not preserved in the request URL:")
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "\t"+req.URL.String())
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, "\tDid you accidentally use an absolute endpoint URL rather than relative?")
fmt.Fprintln(os.Stderr, "\tSee https://github.com/google/go-github/issues/752 for information.")
http.Error(w, "Client.BaseURL path prefix is not preserved in the request URL.", http.StatusInternalServerError)
})
// server is a test HTTP server used to provide mock API responses.
server := httptest.NewServer(apiHandler)
// client is the GitHub client being tested and is
// configured to use test server.
client = NewClient(nil)
url, _ := url.Parse(server.URL + baseURLPath + "/")
client.BaseURL = url
client.UploadURL = url
return client, mux, server.URL, server.Close
}
// openTestFile creates a new file with the given name and content for testing.
// In order to ensure the exact file name, this function will create a new temp
// directory, and create the file in that directory. It is the caller's
// responsibility to remove the directory and its contents when no longer needed.
func openTestFile(name, content string) (file *os.File, dir string, err error) {
dir, err = ioutil.TempDir("", "go-github")
if err != nil {
return nil, dir, err
}
file, err = os.OpenFile(path.Join(dir, name), os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
return nil, dir, err
}
fmt.Fprint(file, content)
// close and re-open the file to keep file.Stat() happy
file.Close()
file, err = os.Open(file.Name())
if err != nil {
return nil, dir, err
}
return file, dir, err
}
func testMethod(t *testing.T, r *http.Request, want string) {
t.Helper()
if got := r.Method; got != want {
t.Errorf("Request method: %v, want %v", got, want)
}
}
type values map[string]string
func testFormValues(t *testing.T, r *http.Request, values values) {
t.Helper()
want := url.Values{}
for k, v := range values {
want.Set(k, v)
}
r.ParseForm()
if got := r.Form; !reflect.DeepEqual(got, want) {
t.Errorf("Request parameters: %v, want %v", got, want)
}
}
func testHeader(t *testing.T, r *http.Request, header string, want string) {
t.Helper()
if got := r.Header.Get(header); got != want {
t.Errorf("Header.Get(%q) returned %q, want %q", header, got, want)
}
}
func testURLParseError(t *testing.T, err error) {
t.Helper()
if err == nil {
t.Errorf("Expected error to be returned")
}
if err, ok := err.(*url.Error); !ok || err.Op != "parse" {
t.Errorf("Expected URL parse error, got %+v", err)
}
}
func testBody(t *testing.T, r *http.Request, want string) {
t.Helper()
b, err := ioutil.ReadAll(r.Body)
if err != nil {
t.Errorf("Error reading request body: %v", err)
}
if got := string(b); got != want {
t.Errorf("request Body is %s, want %s", got, want)
}
}
// Test whether the marshaling of v produces JSON that corresponds
// to the want string.
func testJSONMarshal(t *testing.T, v interface{}, want string) {
t.Helper()
// Unmarshal the wanted JSON, to verify its correctness, and marshal it back
// to sort the keys.
u := reflect.New(reflect.TypeOf(v)).Interface()
if err := json.Unmarshal([]byte(want), &u); err != nil {
t.Errorf("Unable to unmarshal JSON for %v: %v", want, err)
}
w, err := json.Marshal(u)
if err != nil {
t.Errorf("Unable to marshal JSON for %#v", u)
}
// Marshal the target value.
j, err := json.Marshal(v)
if err != nil {
t.Errorf("Unable to marshal JSON for %#v", v)
}
if string(w) != string(j) {
t.Errorf("json.Marshal(%q) returned %s, want %s", v, j, w)
}
}
// Test how bad options are handled. Method f under test should
// return an error.
func testBadOptions(t *testing.T, methodName string, f func() error) {
t.Helper()
if methodName == "" {
t.Error("testBadOptions: must supply method methodName")
}
if err := f(); err == nil {
t.Errorf("bad options %v err = nil, want error", methodName)
}
}
// Test function under NewRequest failure and then s.client.Do failure.
// Method f should be a regular call that would normally succeed, but
// should return an error when NewRequest or s.client.Do fails.
func testNewRequestAndDoFailure(t *testing.T, methodName string, client *Client, f func() (*Response, error)) {
t.Helper()
if methodName == "" {
t.Error("testNewRequestAndDoFailure: must supply method methodName")
}
client.BaseURL.Path = ""
resp, err := f()
if resp != nil {
t.Errorf("client.BaseURL.Path='' %v resp = %#v, want nil", methodName, resp)
}
if err == nil {
t.Errorf("client.BaseURL.Path='' %v err = nil, want error", methodName)
}
client.BaseURL.Path = "/api-v3/"
client.rateLimits[0].Reset.Time = time.Now().Add(10 * time.Minute)
resp, err = f()
if want := http.StatusForbidden; resp == nil || resp.Response.StatusCode != want {
if resp != nil {
t.Errorf("rate.Reset.Time > now %v resp = %#v, want StatusCode=%v", methodName, resp.Response, want)
} else {
t.Errorf("rate.Reset.Time > now %v resp = nil, want StatusCode=%v", methodName, want)
}
}
if err == nil {
t.Errorf("rate.Reset.Time > now %v err = nil, want error", methodName)
}
}
func TestNewClient(t *testing.T) {
c := NewClient(nil)
if got, want := c.BaseURL.String(), defaultBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UserAgent, userAgent; got != want {
t.Errorf("NewClient UserAgent is %v, want %v", got, want)
}
c2 := NewClient(nil)
if c.client == c2.client {
t.Error("NewClient returned same http.Clients, but they should differ")
}
}
func TestNewEnterpriseClient(t *testing.T) {
baseURL := "https://custom-url/api/v3/"
uploadURL := "https://custom-upload-url/api/uploads/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), baseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), uploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_addsTrailingSlashToURLs(t *testing.T) {
baseURL := "https://custom-url/api/v3"
uploadURL := "https://custom-upload-url/api/uploads"
formattedBaseURL := baseURL + "/"
formattedUploadURL := uploadURL + "/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_addsEnterpriseSuffixToURLs(t *testing.T) {
baseURL := "https://custom-url/"
uploadURL := "https://custom-upload-url/"
formattedBaseURL := baseURL + "api/v3/"
formattedUploadURL := uploadURL + "api/uploads/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_addsEnterpriseSuffixAndTrailingSlashToURLs(t *testing.T) {
baseURL := "https://custom-url"
uploadURL := "https://custom-upload-url"
formattedBaseURL := baseURL + "/api/v3/"
formattedUploadURL := uploadURL + "/api/uploads/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_badBaseURL(t *testing.T) {
baseURL := "bogus\nbase\nURL"
uploadURL := "https://custom-upload-url/api/uploads/"
if _, err := NewEnterpriseClient(baseURL, uploadURL, nil); err == nil {
t.Fatal("NewEnterpriseClient returned nil, expected error")
}
}
func TestNewEnterpriseClient_badUploadURL(t *testing.T) {
baseURL := "https://custom-url/api/v3/"
uploadURL := "bogus\nupload\nURL"
if _, err := NewEnterpriseClient(baseURL, uploadURL, nil); err == nil {
t.Fatal("NewEnterpriseClient returned nil, expected error")
}
}
func TestNewEnterpriseClient_URLHasExistingAPIPrefix_AddTrailingSlash(t *testing.T) {
baseURL := "https://api.custom-url"
uploadURL := "https://api.custom-upload-url"
formattedBaseURL := baseURL + "/"
formattedUploadURL := uploadURL + "/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_URLHasExistingAPIPrefixAndTrailingSlash(t *testing.T) {
baseURL := "https://api.custom-url/"
uploadURL := "https://api.custom-upload-url/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), baseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), uploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_URLHasAPISubdomain_AddTrailingSlash(t *testing.T) {
baseURL := "https://catalog.api.custom-url"
uploadURL := "https://catalog.api.custom-upload-url"
formattedBaseURL := baseURL + "/"
formattedUploadURL := uploadURL + "/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_URLHasAPISubdomainAndTrailingSlash(t *testing.T) {
baseURL := "https://catalog.api.custom-url/"
uploadURL := "https://catalog.api.custom-upload-url/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), baseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), uploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_URLIsNotAProperAPISubdomain_addsEnterpriseSuffixAndSlash(t *testing.T) {
baseURL := "https://cloud-api.custom-url"
uploadURL := "https://cloud-api.custom-upload-url"
formattedBaseURL := baseURL + "/api/v3/"
formattedUploadURL := uploadURL + "/api/uploads/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
func TestNewEnterpriseClient_URLIsNotAProperAPISubdomain_addsEnterpriseSuffix(t *testing.T) {
baseURL := "https://cloud-api.custom-url/"
uploadURL := "https://cloud-api.custom-upload-url/"
formattedBaseURL := baseURL + "api/v3/"
formattedUploadURL := uploadURL + "api/uploads/"
c, err := NewEnterpriseClient(baseURL, uploadURL, nil)
if err != nil {
t.Fatalf("NewEnterpriseClient returned unexpected error: %v", err)
}
if got, want := c.BaseURL.String(), formattedBaseURL; got != want {
t.Errorf("NewClient BaseURL is %v, want %v", got, want)
}
if got, want := c.UploadURL.String(), formattedUploadURL; got != want {
t.Errorf("NewClient UploadURL is %v, want %v", got, want)
}
}
// Ensure that length of Client.rateLimits is the same as number of fields in RateLimits struct.
func TestClient_rateLimits(t *testing.T) {
if got, want := len(Client{}.rateLimits), reflect.TypeOf(RateLimits{}).NumField(); got != want {
t.Errorf("len(Client{}.rateLimits) is %v, want %v", got, want)
}
}
func TestRateLimits_String(t *testing.T) {
v := RateLimits{
Core: &Rate{},
Search: &Rate{},
}
want := `github.RateLimits{Core:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}, Search:github.Rate{Limit:0, Remaining:0, Reset:github.Timestamp{0001-01-01 00:00:00 +0000 UTC}}}`
if got := v.String(); got != want {
t.Errorf("RateLimits.String = %v, want %v", got, want)
}
}
func TestNewRequest(t *testing.T) {
c := NewClient(nil)
inURL, outURL := "/foo", defaultBaseURL+"foo"
inBody, outBody := &User{Login: String("l")}, `{"login":"l"}`+"\n"
req, _ := c.NewRequest("GET", inURL, inBody)
// test that relative URL was expanded
if got, want := req.URL.String(), outURL; got != want {
t.Errorf("NewRequest(%q) URL is %v, want %v", inURL, got, want)
}
// test that body was JSON encoded
body, _ := ioutil.ReadAll(req.Body)
if got, want := string(body), outBody; got != want {
t.Errorf("NewRequest(%q) Body is %v, want %v", inBody, got, want)
}
// test that default user-agent is attached to the request
if got, want := req.Header.Get("User-Agent"), c.UserAgent; got != want {
t.Errorf("NewRequest() User-Agent is %v, want %v", got, want)
}
}
func TestNewRequest_invalidJSON(t *testing.T) {
c := NewClient(nil)
type T struct {
A map[interface{}]interface{}
}
_, err := c.NewRequest("GET", ".", &T{})
if err == nil {
t.Error("Expected error to be returned.")
}
if err, ok := err.(*json.UnsupportedTypeError); !ok {
t.Errorf("Expected a JSON error; got %#v.", err)
}
}
func TestNewRequest_badURL(t *testing.T) {
c := NewClient(nil)
_, err := c.NewRequest("GET", ":", nil)
testURLParseError(t, err)
}
func TestNewRequest_badMethod(t *testing.T) {
c := NewClient(nil)
if _, err := c.NewRequest("BOGUS\nMETHOD", ".", nil); err == nil {
t.Fatal("NewRequest returned nil; expected error")
}
}
// ensure that no User-Agent header is set if the client's UserAgent is empty.
// This caused a problem with Google's internal http client.
func TestNewRequest_emptyUserAgent(t *testing.T) {
c := NewClient(nil)
c.UserAgent = ""
req, err := c.NewRequest("GET", ".", nil)
if err != nil {
t.Fatalf("NewRequest returned unexpected error: %v", err)
}
if _, ok := req.Header["User-Agent"]; ok {
t.Fatal("constructed request contains unexpected User-Agent header")
}
}
// If a nil body is passed to github.NewRequest, make sure that nil is also
// passed to http.NewRequest. In most cases, passing an io.Reader that returns
// no content is fine, since there is no difference between an HTTP request
// body that is an empty string versus one that is not set at all. However in
// certain cases, intermediate systems may treat these differently resulting in
// subtle errors.
func TestNewRequest_emptyBody(t *testing.T) {
c := NewClient(nil)
req, err := c.NewRequest("GET", ".", nil)
if err != nil {
t.Fatalf("NewRequest returned unexpected error: %v", err)
}
if req.Body != nil {
t.Fatalf("constructed request contains a non-nil Body")
}
}
func TestNewRequest_errorForNoTrailingSlash(t *testing.T) {
tests := []struct {
rawurl string
wantError bool
}{
{rawurl: "https://example.com/api/v3", wantError: true},
{rawurl: "https://example.com/api/v3/", wantError: false},
}
c := NewClient(nil)
for _, test := range tests {
u, err := url.Parse(test.rawurl)
if err != nil {
t.Fatalf("url.Parse returned unexpected error: %v.", err)
}
c.BaseURL = u
if _, err := c.NewRequest(http.MethodGet, "test", nil); test.wantError && err == nil {
t.Fatalf("Expected error to be returned.")
} else if !test.wantError && err != nil {
t.Fatalf("NewRequest returned unexpected error: %v.", err)
}
}
}
func TestNewUploadRequest_badURL(t *testing.T) {
c := NewClient(nil)
_, err := c.NewUploadRequest(":", nil, 0, "")
testURLParseError(t, err)
}
func TestNewUploadRequest_errorForNoTrailingSlash(t *testing.T) {
tests := []struct {
rawurl string
wantError bool
}{
{rawurl: "https://example.com/api/uploads", wantError: true},
{rawurl: "https://example.com/api/uploads/", wantError: false},
}
c := NewClient(nil)
for _, test := range tests {
u, err := url.Parse(test.rawurl)
if err != nil {
t.Fatalf("url.Parse returned unexpected error: %v.", err)
}
c.UploadURL = u
if _, err = c.NewUploadRequest("test", nil, 0, ""); test.wantError && err == nil {
t.Fatalf("Expected error to be returned.")
} else if !test.wantError && err != nil {
t.Fatalf("NewUploadRequest returned unexpected error: %v.", err)
}
}
}
func TestResponse_populatePageValues(t *testing.T) {
r := http.Response{
Header: http.Header{
"Link": {`<https://api.github.com/?page=1>; rel="first",` +
` <https://api.github.com/?page=2>; rel="prev",` +
` <https://api.github.com/?page=4>; rel="next",` +
` <https://api.github.com/?page=5>; rel="last"`,
},
},
}
response := newResponse(&r)
if got, want := response.FirstPage, 1; got != want {
t.Errorf("response.FirstPage: %v, want %v", got, want)
}
if got, want := response.PrevPage, 2; want != got {
t.Errorf("response.PrevPage: %v, want %v", got, want)
}
if got, want := response.NextPage, 4; want != got {
t.Errorf("response.NextPage: %v, want %v", got, want)
}
if got, want := response.LastPage, 5; want != got {
t.Errorf("response.LastPage: %v, want %v", got, want)
}
if got, want := response.NextPageToken, ""; want != got {
t.Errorf("response.NextPageToken: %v, want %v", got, want)
}
}
func TestResponse_cursorPagination(t *testing.T) {
r := http.Response{
Header: http.Header{
"Status": {"200 OK"},
"Link": {`<https://api.github.com/resource?per_page=2&page=url-encoded-next-page-token>; rel="next"`},
},
}
response := newResponse(&r)
if got, want := response.FirstPage, 0; got != want {
t.Errorf("response.FirstPage: %v, want %v", got, want)
}
if got, want := response.PrevPage, 0; want != got {
t.Errorf("response.PrevPage: %v, want %v", got, want)
}
if got, want := response.NextPage, 0; want != got {
t.Errorf("response.NextPage: %v, want %v", got, want)
}
if got, want := response.LastPage, 0; want != got {
t.Errorf("response.LastPage: %v, want %v", got, want)
}
if got, want := response.NextPageToken, "url-encoded-next-page-token"; want != got {
t.Errorf("response.NextPageToken: %v, want %v", got, want)
}
}
func TestResponse_populatePageValues_invalid(t *testing.T) {
r := http.Response{
Header: http.Header{
"Link": {`<https://api.github.com/?page=1>,` +
`<https://api.github.com/?page=abc>; rel="first",` +
`https://api.github.com/?page=2; rel="prev",` +
`<https://api.github.com/>; rel="next",` +
`<https://api.github.com/?page=>; rel="last"`,
},
},
}
response := newResponse(&r)
if got, want := response.FirstPage, 0; got != want {
t.Errorf("response.FirstPage: %v, want %v", got, want)
}
if got, want := response.PrevPage, 0; got != want {
t.Errorf("response.PrevPage: %v, want %v", got, want)
}
if got, want := response.NextPage, 0; got != want {
t.Errorf("response.NextPage: %v, want %v", got, want)
}
if got, want := response.LastPage, 0; got != want {
t.Errorf("response.LastPage: %v, want %v", got, want)
}
// more invalid URLs
r = http.Response{
Header: http.Header{
"Link": {`<https://api.github.com/%?page=2>; rel="first"`},
},
}
response = newResponse(&r)
if got, want := response.FirstPage, 0; got != want {
t.Errorf("response.FirstPage: %v, want %v", got, want)
}
}
func TestDo(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
type foo struct {
A string
}
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
testMethod(t, r, "GET")
fmt.Fprint(w, `{"A":"a"}`)
})
req, _ := client.NewRequest("GET", ".", nil)
body := new(foo)
ctx := context.Background()
client.Do(ctx, req, body)
want := &foo{"a"}
if !reflect.DeepEqual(body, want) {
t.Errorf("Response body = %v, want %v", body, want)
}
}
func TestDo_nilContext(t *testing.T) {
client, _, _, teardown := setup()
defer teardown()
req, _ := client.NewRequest("GET", ".", nil)
_, err := client.Do(nil, req, nil)
if !reflect.DeepEqual(err, errors.New("context must be non-nil")) {
t.Errorf("Expected context must be non-nil error")
}
}
func TestDo_httpError(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Bad Request", 400)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
resp, err := client.Do(ctx, req, nil)
if err == nil {
t.Fatal("Expected HTTP 400 error, got no error.")
}
if resp.StatusCode != 400 {
t.Errorf("Expected HTTP 400 error, got %d status code.", resp.StatusCode)
}
}
// Test handling of an error caused by the internal http client's Do()
// function. A redirect loop is pretty unlikely to occur within the GitHub
// API, but does allow us to exercise the right code path.
func TestDo_redirectLoop(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, baseURLPath, http.StatusFound)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
_, err := client.Do(ctx, req, nil)
if err == nil {
t.Error("Expected error to be returned.")
}
if err, ok := err.(*url.Error); !ok {
t.Errorf("Expected a URL error; got %#v.", err)
}
}
// Test that an error caused by the internal http client's Do() function
// does not leak the client secret.
func TestDo_sanitizeURL(t *testing.T) {
tp := &UnauthenticatedRateLimitedTransport{
ClientID: "id",
ClientSecret: "secret",
}
unauthedClient := NewClient(tp.Client())
unauthedClient.BaseURL = &url.URL{Scheme: "http", Host: "127.0.0.1:0", Path: "/"} // Use port 0 on purpose to trigger a dial TCP error, expect to get "dial tcp 127.0.0.1:0: connect: can't assign requested address".
req, err := unauthedClient.NewRequest("GET", ".", nil)
if err != nil {
t.Fatalf("NewRequest returned unexpected error: %v", err)
}
ctx := context.Background()
_, err = unauthedClient.Do(ctx, req, nil)
if err == nil {
t.Fatal("Expected error to be returned.")
}
if strings.Contains(err.Error(), "client_secret=secret") {
t.Errorf("Do error contains secret, should be redacted:\n%q", err)
}
}
func TestDo_rateLimit(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(headerRateLimit, "60")
w.Header().Set(headerRateRemaining, "59")
w.Header().Set(headerRateReset, "1372700873")
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
resp, err := client.Do(ctx, req, nil)
if err != nil {
t.Errorf("Do returned unexpected error: %v", err)
}
if got, want := resp.Rate.Limit, 60; got != want {
t.Errorf("Client rate limit = %v, want %v", got, want)
}
if got, want := resp.Rate.Remaining, 59; got != want {
t.Errorf("Client rate remaining = %v, want %v", got, want)
}
reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
if resp.Rate.Reset.UTC() != reset {
t.Errorf("Client rate reset = %v, want %v", resp.Rate.Reset, reset)
}
}
// ensure rate limit is still parsed, even for error responses
func TestDo_rateLimit_errorResponse(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(headerRateLimit, "60")
w.Header().Set(headerRateRemaining, "59")
w.Header().Set(headerRateReset, "1372700873")
http.Error(w, "Bad Request", 400)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
resp, err := client.Do(ctx, req, nil)
if err == nil {
t.Error("Expected error to be returned.")
}
if _, ok := err.(*RateLimitError); ok {
t.Errorf("Did not expect a *RateLimitError error; got %#v.", err)
}
if got, want := resp.Rate.Limit, 60; got != want {
t.Errorf("Client rate limit = %v, want %v", got, want)
}
if got, want := resp.Rate.Remaining, 59; got != want {
t.Errorf("Client rate remaining = %v, want %v", got, want)
}
reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
if resp.Rate.Reset.UTC() != reset {
t.Errorf("Client rate reset = %v, want %v", resp.Rate.Reset, reset)
}
}
// Ensure *RateLimitError is returned when API rate limit is exceeded.
func TestDo_rateLimit_rateLimitError(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(headerRateLimit, "60")
w.Header().Set(headerRateRemaining, "0")
w.Header().Set(headerRateReset, "1372700873")
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
fmt.Fprintln(w, `{
"message": "API rate limit exceeded for xxx.xxx.xxx.xxx. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
"documentation_url": "https://docs.github.com/en/free-pro-team@latest/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
}`)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
_, err := client.Do(ctx, req, nil)
if err == nil {
t.Error("Expected error to be returned.")
}
rateLimitErr, ok := err.(*RateLimitError)
if !ok {
t.Fatalf("Expected a *RateLimitError error; got %#v.", err)
}
if got, want := rateLimitErr.Rate.Limit, 60; got != want {
t.Errorf("rateLimitErr rate limit = %v, want %v", got, want)
}
if got, want := rateLimitErr.Rate.Remaining, 0; got != want {
t.Errorf("rateLimitErr rate remaining = %v, want %v", got, want)
}
reset := time.Date(2013, time.July, 1, 17, 47, 53, 0, time.UTC)
if rateLimitErr.Rate.Reset.UTC() != reset {
t.Errorf("rateLimitErr rate reset = %v, want %v", rateLimitErr.Rate.Reset.UTC(), reset)
}
}
// Ensure a network call is not made when it's known that API rate limit is still exceeded.
func TestDo_rateLimit_noNetworkCall(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
reset := time.Now().UTC().Add(time.Minute).Round(time.Second) // Rate reset is a minute from now, with 1 second precision.
mux.HandleFunc("/first", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(headerRateLimit, "60")
w.Header().Set(headerRateRemaining, "0")
w.Header().Set(headerRateReset, fmt.Sprint(reset.Unix()))
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
fmt.Fprintln(w, `{
"message": "API rate limit exceeded for xxx.xxx.xxx.xxx. (But here's the good news: Authenticated requests get a higher rate limit. Check out the documentation for more details.)",
"documentation_url": "https://docs.github.com/en/free-pro-team@latest/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
}`)
})
madeNetworkCall := false
mux.HandleFunc("/second", func(w http.ResponseWriter, r *http.Request) {
madeNetworkCall = true
})
// First request is made, and it makes the client aware of rate reset time being in the future.
req, _ := client.NewRequest("GET", "first", nil)
ctx := context.Background()
client.Do(ctx, req, nil)
// Second request should not cause a network call to be made, since client can predict a rate limit error.
req, _ = client.NewRequest("GET", "second", nil)
_, err := client.Do(ctx, req, nil)
if madeNetworkCall {
t.Fatal("Network call was made, even though rate limit is known to still be exceeded.")
}
if err == nil {
t.Error("Expected error to be returned.")
}
rateLimitErr, ok := err.(*RateLimitError)
if !ok {
t.Fatalf("Expected a *RateLimitError error; got %#v.", err)
}
if got, want := rateLimitErr.Rate.Limit, 60; got != want {
t.Errorf("rateLimitErr rate limit = %v, want %v", got, want)
}
if got, want := rateLimitErr.Rate.Remaining, 0; got != want {
t.Errorf("rateLimitErr rate remaining = %v, want %v", got, want)
}
if rateLimitErr.Rate.Reset.UTC() != reset {
t.Errorf("rateLimitErr rate reset = %v, want %v", rateLimitErr.Rate.Reset.UTC(), reset)
}
}
// Ensure *AbuseRateLimitError is returned when the response indicates that
// the client has triggered an abuse detection mechanism.
func TestDo_rateLimit_abuseRateLimitError(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
// When the abuse rate limit error is of the "temporarily blocked from content creation" type,
// there is no "Retry-After" header.
fmt.Fprintln(w, `{
"message": "You have triggered an abuse detection mechanism and have been temporarily blocked from content creation. Please retry your request again later.",
"documentation_url": "https://docs.github.com/en/free-pro-team@latest/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
}`)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
_, err := client.Do(ctx, req, nil)
if err == nil {
t.Error("Expected error to be returned.")
}
abuseRateLimitErr, ok := err.(*AbuseRateLimitError)
if !ok {
t.Fatalf("Expected a *AbuseRateLimitError error; got %#v.", err)
}
if got, want := abuseRateLimitErr.RetryAfter, (*time.Duration)(nil); got != want {
t.Errorf("abuseRateLimitErr RetryAfter = %v, want %v", got, want)
}
}
// Ensure *AbuseRateLimitError is returned when the response indicates that
// the client has triggered an abuse detection mechanism on GitHub Enterprise.
func TestDo_rateLimit_abuseRateLimitErrorEnterprise(t *testing.T) {
client, mux, _, teardown := setup()
defer teardown()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusForbidden)
// When the abuse rate limit error is of the "temporarily blocked from content creation" type,
// there is no "Retry-After" header.
// This response returns a documentation url like the one returned for GitHub Enterprise, this
// url changes between versions but follows roughly the same format.
fmt.Fprintln(w, `{
"message": "You have triggered an abuse detection mechanism and have been temporarily blocked from content creation. Please retry your request again later.",
"documentation_url": "https://docs.github.com/en/free-pro-team@latest/rest/overview/resources-in-the-rest-api#abuse-rate-limits"
}`)
})
req, _ := client.NewRequest("GET", ".", nil)
ctx := context.Background()
_, err := client.Do(ctx, req, nil)
if err == nil {
t.Error("Expected error to be returned.")
}
abuseRateLimitErr, ok := err.(*AbuseRateLimitError)
if !ok {
t.Fatalf("Expected a *AbuseRateLimitError error; got %#v.", err)
}
if got, want := abuseRateLimitErr.RetryAfter, (*time.Duration)(nil); got != want {
t.Errorf("abuseRateLimitErr RetryAfter = %v, want %v", got, want)
}
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