Example #1
0
func TestBreakFilterChain(t *testing.T) {
	s := startTestServer([]byte("Hello World!"), 0, func(r *http.Request) {
		t.Error("This should never be called")
	})
	defer s.Close()

	fr := make(filters.Registry)
	fr.Register(builtin.NewRequestHeader())
	resp1 := &http.Response{
		Header:     make(http.Header),
		Body:       ioutil.NopCloser(new(bytes.Buffer)),
		StatusCode: http.StatusUnauthorized,
		Status:     "Impossible body",
	}
	fr.Register(&breaker{resp1})
	fr.Register(builtin.NewResponseHeader())

	doc := fmt.Sprintf(`breakerDemo:
		Path("/breaker") ->
		requestHeader("X-Expected", "request header") ->
		responseHeader("X-Expected", "response header") ->
		breaker() ->
		requestHeader("X-Unexpected", "foo") ->
		responseHeader("X-Unexpected", "bar") ->
		"%s"`, s.URL)
	tp, err := newTestProxyWithFilters(fr, doc, FlagsNone)
	if err != nil {
		t.Error(err)
		return
	}

	defer tp.close()

	r, _ := http.NewRequest("GET", "https://www.example.org/breaker", nil)
	w := httptest.NewRecorder()
	tp.proxy.ServeHTTP(w, r)

	if _, has := r.Header["X-Expected"]; !has {
		t.Error("Request is missing the expected header (added during filter chain winding)")
	}

	if _, has := w.Header()["X-Expected"]; !has {
		t.Error("Response is missing the expected header (added during filter chain unwinding)")
	}

	if _, has := r.Header["X-Unexpected"]; has {
		t.Error("Request has an unexpected header from a filter after the breaker in the chain")
	}

	if _, has := w.Header()["X-Unexpected"]; has {
		t.Error("Response has an unexpected header from a filter after the breaker in the chain")
	}

	if w.Code != http.StatusUnauthorized && w.Body.String() != "Impossible body" {
		t.Errorf("Wrong status code/body. Expected 401 - Impossible body but got %d - %s", w.Code, w.Body.String())
	}
}
Example #2
0
func TestAppliesFilters(t *testing.T) {
	payload := []byte("Hello World!")

	s := startTestServer(payload, 0, func(r *http.Request) {
		if h, ok := r.Header["X-Test-Request-Header"]; !ok ||
			h[0] != "request header value" {
			t.Error("request header is missing")
		}
	})
	defer s.Close()

	u, _ := url.ParseRequestURI("https://www.example.org/hello")
	r := &http.Request{
		URL:    u,
		Method: "GET",
		Header: http.Header{"X-Test-Header": []string{"test value"}}}
	w := httptest.NewRecorder()

	fr := make(filters.Registry)
	fr.Register(builtin.NewRequestHeader())
	fr.Register(builtin.NewResponseHeader())

	doc := fmt.Sprintf(`hello:
		Path("/hello") ->
		requestHeader("X-Test-Request-Header", "request header value") ->
		responseHeader("X-Test-Response-Header", "response header value") ->
		"%s"`, s.URL)
	dc, err := testdataclient.NewDoc(doc)
	if err != nil {
		t.Error(err)
	}

	p := New(routing.New(routing.Options{
		fr,
		routing.MatchingOptionsNone,
		sourcePollTimeout,
		[]routing.DataClient{dc},
		nil,
		0}), OptionsNone)

	delay()

	p.ServeHTTP(w, r)

	if h, ok := w.Header()["X-Test-Response-Header"]; !ok || h[0] != "response header value" {
		t.Error("missing response header")
	}
}
Example #3
0
func TestAppliesFilters(t *testing.T) {
	payload := []byte("Hello World!")

	s := startTestServer(payload, 0, func(r *http.Request) {
		if h, ok := r.Header["X-Test-Request-Header"]; !ok ||
			h[0] != "request header value" {
			t.Error("request header is missing")
		}
	})
	defer s.Close()

	u, _ := url.ParseRequestURI("https://www.example.org/hello")
	r := &http.Request{
		URL:    u,
		Method: "GET",
		Header: http.Header{"X-Test-Header": []string{"test value"}}}
	w := httptest.NewRecorder()

	fr := make(filters.Registry)
	fr.Register(builtin.NewRequestHeader())
	fr.Register(builtin.NewResponseHeader())

	doc := fmt.Sprintf(`hello:
		Path("/hello") ->
		requestHeader("X-Test-Request-Header", "request header value") ->
		responseHeader("X-Test-Response-Header", "response header value") ->
		"%s"`, s.URL)
	tp, err := newTestProxyWithFilters(fr, doc, FlagsNone)
	if err != nil {
		t.Error(err)
		return
	}

	defer tp.close()

	tp.proxy.ServeHTTP(w, r)

	if h, ok := w.Header()["X-Test-Response-Header"]; !ok || h[0] != "response header value" {
		t.Error("missing response header")
	}
}