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fix: forward request Host to errors middleware service

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Co-authored-by: Romain <rtribotte@users.noreply.github.com>
This commit is contained in:
Kevin Pollet 2021-09-27 17:40:13 +02:00 • committed by GitHub
parent 126b32c579
commit 46c1600ada
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 45 additions and 24 deletions
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48
pkg/middlewares/customerrors/custom_errors_test.go
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@ -26,7 +26,7 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"500-501", "503-599"}},
backendCode: http.StatusOK,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "My error page.")
_, _ = fmt.Fprintln(w, "My error page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
@ -39,7 +39,7 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"500-501", "503-599"}},
backendCode: http.StatusPartialContent,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "My error page.")
_, _ = fmt.Fprintln(w, "My error page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
@ -52,7 +52,7 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"500-501", "503-599"}},
backendCode: http.StatusNotModified,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "whatever, should not be called")
_, _ = fmt.Fprintln(w, "whatever, should not be called")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
@ -65,13 +65,12 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"500-501", "503-599"}},
backendCode: http.StatusInternalServerError,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "My error page.")
_, _ = fmt.Fprintln(w, "My error page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
assert.Equal(t, http.StatusInternalServerError, recorder.Code, "HTTP status")
assert.Contains(t, recorder.Body.String(), "My error page.")
assert.NotContains(t, recorder.Body.String(), "oops", "Should not return the oops page")
},
},
{
@ -79,13 +78,12 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"500-501", "503-599"}},
backendCode: http.StatusBadGateway,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "My error page.")
_, _ = fmt.Fprintln(w, "My error page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
assert.Equal(t, http.StatusBadGateway, recorder.Code, "HTTP status")
assert.Contains(t, recorder.Body.String(), http.StatusText(http.StatusBadGateway))
assert.NotContains(t, recorder.Body.String(), "Test Server", "Should return the oops page since we have not configured the 502 code")
},
},
{
@ -93,35 +91,46 @@ func TestHandler(t *testing.T) {
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/{status}", Status: []string{"503-503"}},
backendCode: http.StatusServiceUnavailable,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.RequestURI == "/503" {
fmt.Fprintln(w, "My 503 page.")
} else {
fmt.Fprintln(w, "Failed")
if r.RequestURI != "/503" {
return
}
_, _ = fmt.Fprintln(w, "My 503 page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
assert.Equal(t, http.StatusServiceUnavailable, recorder.Code, "HTTP status")
assert.Contains(t, recorder.Body.String(), "My 503 page.")
assert.NotContains(t, recorder.Body.String(), "oops", "Should not return the oops page")
},
},
{
desc: "Single code",
desc: "single code and query replacement",
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/{status}", Status: []string{"503"}},
backendCode: http.StatusServiceUnavailable,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.RequestURI == "/503" {
fmt.Fprintln(w, "My 503 page.")
} else {
fmt.Fprintln(w, "Failed")
if r.RequestURI != "/503" {
return
}
_, _ = fmt.Fprintln(w, "My 503 page.")
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
assert.Equal(t, http.StatusServiceUnavailable, recorder.Code, "HTTP status")
assert.Contains(t, recorder.Body.String(), "My 503 page.")
assert.NotContains(t, recorder.Body.String(), "oops", "Should not return the oops page")
},
},
{
desc: "forward request host header",
errorPage: &dynamic.ErrorPage{Service: "error", Query: "/test", Status: []string{"503"}},
backendCode: http.StatusServiceUnavailable,
backendErrorHandler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, _ = fmt.Fprintln(w, r.Host)
}),
validate: func(t *testing.T, recorder *httptest.ResponseRecorder) {
t.Helper()
assert.Equal(t, http.StatusServiceUnavailable, recorder.Code, "HTTP status")
assert.Contains(t, recorder.Body.String(), "localhost")
},
},
}
@ -135,10 +144,11 @@ func TestHandler(t *testing.T) {
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(test.backendCode)
if test.backendCode == http.StatusNotModified {
return
}
fmt.Fprintln(w, http.StatusText(test.backendCode))
_, _ = fmt.Fprintln(w, http.StatusText(test.backendCode))
})
errorPageHandler, err := New(context.Background(), handler, *test.errorPage, serviceBuilderMock, "test")
require.NoError(t, err)