apiserver/pkg/util/notfoundhandler/not_found_handler_test.go

75 lines
2.5 KiB
Go

/*
Copyright 2021 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package notfoundhandler
import (
"context"
"io"
"net/http/httptest"
"strings"
"testing"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
)
func TestNotFoundHandler(t *testing.T) {
isMuxAndDiscoveryCompleteGlobalValue := true
isMuxAndDiscoveryCompleteTestFn := func(ctx context.Context) bool { return isMuxAndDiscoveryCompleteGlobalValue }
serializer := serializer.NewCodecFactory(runtime.NewScheme()).WithoutConversion()
target := New(serializer, isMuxAndDiscoveryCompleteTestFn)
// scenario 1: pretend the request has been made after the signal has been ready
req := httptest.NewRequest("GET", "http://apiserver.com/apis/flowcontrol.apiserver.k8s.io/v1beta1", nil)
rw := httptest.NewRecorder()
target.ServeHTTP(rw, req)
resp := rw.Result()
body, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
bodyStr := strings.TrimSuffix(string(body), "\n")
if resp.StatusCode != 404 {
t.Fatalf("unexpected status code %d, expected 503", resp.StatusCode)
}
expectedMsg := "404 page not found"
if bodyStr != expectedMsg {
t.Fatalf("unexpected response: %v, expected: %v", bodyStr, expectedMsg)
}
// scenario 2: pretend the request has been made before the signal has been ready
isMuxAndDiscoveryCompleteGlobalValue = false
rw = httptest.NewRecorder()
target.ServeHTTP(rw, req)
resp = rw.Result()
body, err = io.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
bodyStr = strings.TrimSuffix(string(body), "\n")
if resp.StatusCode != 503 {
t.Fatalf("unexpected status code %d, expected 503", resp.StatusCode)
}
expectedMsg = `{"kind":"Status","apiVersion":"v1","metadata":{},"status":"Failure","message":"the request has been made before all known HTTP paths have been installed, please try again","reason":"ServiceUnavailable","details":{"retryAfterSeconds":5},"code":503}`
if bodyStr != expectedMsg {
t.Fatalf("unexpected response: %v, expected: %v", bodyStr, expectedMsg)
}
}