153 lines
4.5 KiB
Go
153 lines
4.5 KiB
Go
package middlewares
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"strconv"
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"testing"
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"github.com/containous/traefik/types"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/urfave/negroni"
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)
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func TestErrorPage(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "Test Server")
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}))
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defer ts.Close()
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testErrorPage := &types.ErrorPage{Backend: "error", Query: "/test", Status: []string{"500-501", "503-599"}}
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testHandler, err := NewErrorPagesHandler(*testErrorPage, ts.URL)
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require.NoError(t, err)
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assert.Equal(t, testHandler.BackendURL, ts.URL+"/test", "Should be equal")
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recorder := httptest.NewRecorder()
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req, err := http.NewRequest("GET", ts.URL+"/test", nil)
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require.NoError(t, err)
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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fmt.Fprintln(w, "traefik")
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})
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n := negroni.New()
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n.Use(testHandler)
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n.UseHandler(handler)
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n.ServeHTTP(recorder, req)
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assert.Equal(t, http.StatusOK, recorder.Code, "HTTP statusOK")
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assert.Contains(t, recorder.Body.String(), "traefik")
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handler500 := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(500)
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fmt.Fprintln(w, "oops")
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})
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recorder500 := httptest.NewRecorder()
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n500 := negroni.New()
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n500.Use(testHandler)
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n500.UseHandler(handler500)
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n500.ServeHTTP(recorder500, req)
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assert.Equal(t, http.StatusInternalServerError, recorder500.Code, "HTTP status Internal Server Error")
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assert.Contains(t, recorder500.Body.String(), "Test Server")
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assert.NotContains(t, recorder500.Body.String(), "oops", "Should not return the oops page")
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handler502 := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(502)
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fmt.Fprintln(w, "oops")
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})
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recorder502 := httptest.NewRecorder()
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n502 := negroni.New()
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n502.Use(testHandler)
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n502.UseHandler(handler502)
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n502.ServeHTTP(recorder502, req)
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assert.Equal(t, http.StatusBadGateway, recorder502.Code, "HTTP status Bad Gateway")
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assert.Contains(t, recorder502.Body.String(), "oops")
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assert.NotContains(t, recorder502.Body.String(), "Test Server", "Should return the oops page since we have not configured the 502 code")
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}
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func TestErrorPageQuery(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.RequestURI() == "/"+strconv.Itoa(503) {
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fmt.Fprintln(w, "503 Test Server")
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} else {
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fmt.Fprintln(w, "Failed")
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}
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}))
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defer ts.Close()
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testErrorPage := &types.ErrorPage{Backend: "error", Query: "/{status}", Status: []string{"503-503"}}
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testHandler, err := NewErrorPagesHandler(*testErrorPage, ts.URL)
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require.NoError(t, err)
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assert.Equal(t, testHandler.BackendURL, ts.URL+"/{status}", "Should be equal")
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(503)
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fmt.Fprintln(w, "oops")
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})
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recorder := httptest.NewRecorder()
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req, err := http.NewRequest("GET", ts.URL+"/test", nil)
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require.NoError(t, err)
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n := negroni.New()
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n.Use(testHandler)
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n.UseHandler(handler)
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n.ServeHTTP(recorder, req)
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assert.Equal(t, http.StatusServiceUnavailable, recorder.Code, "HTTP status Service Unavailable")
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assert.Contains(t, recorder.Body.String(), "503 Test Server")
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assert.NotContains(t, recorder.Body.String(), "oops", "Should not return the oops page")
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}
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func TestErrorPageSingleCode(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.RequestURI() == "/"+strconv.Itoa(503) {
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fmt.Fprintln(w, "503 Test Server")
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} else {
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fmt.Fprintln(w, "Failed")
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}
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}))
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defer ts.Close()
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testErrorPage := &types.ErrorPage{Backend: "error", Query: "/{status}", Status: []string{"503"}}
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testHandler, err := NewErrorPagesHandler(*testErrorPage, ts.URL)
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require.NoError(t, err)
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assert.Equal(t, testHandler.BackendURL, ts.URL+"/{status}", "Should be equal")
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handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(503)
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fmt.Fprintln(w, "oops")
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})
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recorder := httptest.NewRecorder()
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req, err := http.NewRequest("GET", ts.URL+"/test", nil)
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require.NoError(t, err)
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n := negroni.New()
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n.Use(testHandler)
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n.UseHandler(handler)
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n.ServeHTTP(recorder, req)
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assert.Equal(t, http.StatusServiceUnavailable, recorder.Code, "HTTP status Service Unavailable")
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assert.Contains(t, recorder.Body.String(), "503 Test Server")
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assert.NotContains(t, recorder.Body.String(), "oops", "Should not return the oops page")
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}
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