Example #1
0
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)
		}
	}
}
Example #2
0
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(), &unversioned.Status{
							Status: unversioned.StatusFailure,
							Reason: unversioned.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)
			}
		}
	}
}
Example #3
0
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)
		}
	}
}