func TestTransformResponseNegotiate(t *testing.T) {
invalid := []byte("aaaaa")
uri, _ := url.Parse("http://localhost")
testCases := []struct {
Response *http.Response
Data []byte
Created bool
Error bool
ErrFn func(err error) bool
ContentType string
Called bool
ExpectContentType string
Decoder runtime.Decoder
NegotiateErr error
}{
{
ContentType: "application/json",
Response: &http.Response{
StatusCode: 401,
Header: http.Header{"Content-Type": []string{"application/json"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Error: true,
ErrFn: func(err error) bool {
return err.Error() != "aaaaa" && apierrors.IsUnauthorized(err)
},
},
{
ContentType: "application/json",
Response: &http.Response{
StatusCode: 401,
Header: http.Header{"Content-Type": []string{"application/protobuf"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Decoder: testapi.Default.Codec(),
Called: true,
ExpectContentType: "application/protobuf",
Error: true,
ErrFn: func(err error) bool {
return err.Error() != "aaaaa" && apierrors.IsUnauthorized(err)
},
},
{
ContentType: "application/json",
Response: &http.Response{
StatusCode: 500,
Header: http.Header{"Content-Type": []string{"application/,others"}},
},
Decoder: testapi.Default.Codec(),
Error: true,
ErrFn: func(err error) bool {
return err.Error() == "Internal error occurred: mime: expected token after slash" && err.(apierrors.APIStatus).Status().Code == 500
},
},
{
// no negotiation when no content type specified
Response: &http.Response{
StatusCode: 200,
Header: http.Header{"Content-Type": []string{"text/any"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Decoder: testapi.Default.Codec(),
},
{
// no negotiation when no response content type specified
ContentType: "text/any",
Response: &http.Response{
StatusCode: 200,
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Decoder: testapi.Default.Codec(),
},
{
// unrecognized content type is not handled
ContentType: "application/json",
Response: &http.Response{
StatusCode: 404,
Header: http.Header{"Content-Type": []string{"application/unrecognized"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Decoder: testapi.Default.Codec(),
NegotiateErr: fmt.Errorf("aaaa"),
Called: true,
ExpectContentType: "application/unrecognized",
Error: true,
ErrFn: func(err error) bool {
return err.Error() != "aaaaa" && apierrors.IsNotFound(err)
},
},
}
for i, test := range testCases {
serializers := defaultSerializers()
negotiator := &renegotiator{
decoder: test.Decoder,
err: test.NegotiateErr,
}
serializers.RenegotiatedDecoder = negotiator.invoke
contentConfig := defaultContentConfig()
contentConfig.ContentType = test.ContentType
r := NewRequest(nil, "", uri, "", contentConfig, serializers, nil, nil)
if test.Response.Body == nil {
test.Response.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
}
result := r.transformResponse(test.Response, &http.Request{})
_, err := result.body, result.err
hasErr := err != nil
if hasErr != test.Error {
t.Errorf("%d: unexpected error: %t %v", i, test.Error, err)
continue
} else if hasErr && test.Response.StatusCode > 399 {
status, ok := err.(apierrors.APIStatus)
if !ok {
t.Errorf("%d: response should have been transformable into APIStatus: %v", i, err)
continue
}
if int(status.Status().Code) != test.Response.StatusCode {
t.Errorf("%d: status code did not match response: %#v", i, status.Status())
}
}
if test.ErrFn != nil && !test.ErrFn(err) {
t.Errorf("%d: error function did not match: %v", i, err)
}
if negotiator.called != test.Called {
t.Errorf("%d: negotiator called %t != %t", i, negotiator.called, test.Called)
}
if !test.Called {
continue
}
if negotiator.contentType != test.ExpectContentType {
t.Errorf("%d: unexpected content type: %s", i, negotiator.contentType)
}
}
}
func TestRequestWatch(t *testing.T) {
testCases := []struct {
Request *Request
Err bool
ErrFn func(error) bool
Empty bool
}{
{
Request: &Request{err: errors.New("bail")},
Err: true,
},
{
Request: &Request{baseURL: &url.URL{}, pathPrefix: "%"},
Err: true,
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("err")
}),
baseURL: &url.URL{},
},
Err: true,
},
{
Request: &Request{
content: defaultContentConfig(),
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusForbidden,
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsForbidden(err)
},
},
{
Request: &Request{
content: defaultContentConfig(),
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusUnauthorized,
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsUnauthorized(err)
},
},
{
Request: &Request{
content: defaultContentConfig(),
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusUnauthorized,
Body: ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(testapi.Default.Codec(), &metav1.Status{
Status: metav1.StatusFailure,
Reason: metav1.StatusReasonUnauthorized,
})))),
}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsUnauthorized(err)
},
},
{
Request: &Request{
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, io.EOF
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, &url.Error{Err: io.EOF}
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("http: can't write HTTP request on broken connection")
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
serializers: defaultSerializers(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("foo: connection reset by peer")
}),
baseURL: &url.URL{},
},
Empty: true,
},
}
for i, testCase := range testCases {
t.Logf("testcase %v", testCase.Request)
testCase.Request.backoffMgr = &NoBackoff{}
watch, err := testCase.Request.Watch()
hasErr := err != nil
if hasErr != testCase.Err {
t.Errorf("%d: expected %t, got %t: %v", i, testCase.Err, hasErr, err)
continue
}
if testCase.ErrFn != nil && !testCase.ErrFn(err) {
t.Errorf("%d: error not valid: %v", i, err)
}
if hasErr && watch != nil {
t.Errorf("%d: watch should be nil when error is returned", i)
continue
}
if testCase.Empty {
_, ok := <-watch.ResultChan()
if ok {
t.Errorf("%d: expected the watch to be empty: %#v", i, watch)
}
}
}
}
func TestTransformResponse(t *testing.T) {
invalid := []byte("aaaaa")
uri, _ := url.Parse("http://localhost")
testCases := []struct {
Response *http.Response
Data []byte
Created bool
Error bool
ErrFn func(err error) bool
}{
{Response: &http.Response{StatusCode: 200}, Data: []byte{}},
{Response: &http.Response{StatusCode: 201}, Data: []byte{}, Created: true},
{Response: &http.Response{StatusCode: 199}, Error: true},
{Response: &http.Response{StatusCode: 500}, Error: true},
{Response: &http.Response{StatusCode: 422}, Error: true},
{Response: &http.Response{StatusCode: 409}, Error: true},
{Response: &http.Response{StatusCode: 404}, Error: true},
{Response: &http.Response{StatusCode: 401}, Error: true},
{
Response: &http.Response{
StatusCode: 401,
Header: http.Header{"Content-Type": []string{"application/json"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Error: true,
ErrFn: func(err error) bool {
return err.Error() != "aaaaa" && apierrors.IsUnauthorized(err)
},
},
{
Response: &http.Response{
StatusCode: 401,
Header: http.Header{"Content-Type": []string{"text/any"}},
Body: ioutil.NopCloser(bytes.NewReader(invalid)),
},
Error: true,
ErrFn: func(err error) bool {
return strings.Contains(err.Error(), "server has asked for the client to provide") && apierrors.IsUnauthorized(err)
},
},
{Response: &http.Response{StatusCode: 403}, Error: true},
{Response: &http.Response{StatusCode: 200, Body: ioutil.NopCloser(bytes.NewReader(invalid))}, Data: invalid},
{Response: &http.Response{StatusCode: 200, Body: ioutil.NopCloser(bytes.NewReader(invalid))}, Data: invalid},
}
for i, test := range testCases {
r := NewRequest(nil, "", uri, "", defaultContentConfig(), defaultSerializers(), nil, nil)
if test.Response.Body == nil {
test.Response.Body = ioutil.NopCloser(bytes.NewReader([]byte{}))
}
result := r.transformResponse(test.Response, &http.Request{})
response, created, err := result.body, result.statusCode == http.StatusCreated, result.err
hasErr := err != nil
if hasErr != test.Error {
t.Errorf("%d: unexpected error: %t %v", i, test.Error, err)
} else if hasErr && test.Response.StatusCode > 399 {
status, ok := err.(apierrors.APIStatus)
if !ok {
t.Errorf("%d: response should have been transformable into APIStatus: %v", i, err)
continue
}
if int(status.Status().Code) != test.Response.StatusCode {
t.Errorf("%d: status code did not match response: %#v", i, status.Status())
}
}
if test.ErrFn != nil && !test.ErrFn(err) {
t.Errorf("%d: error function did not match: %v", i, err)
}
if !(test.Data == nil && response == nil) && !api.Semantic.DeepDerivative(test.Data, response) {
t.Errorf("%d: unexpected response: %#v %#v", i, test.Data, response)
}
if test.Created != created {
t.Errorf("%d: expected created %t, got %t", i, test.Created, created)
}
}
}