112 lines
3.3 KiB
Go
112 lines
3.3 KiB
Go
/*
|
|
Copyright 2014 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 healthz
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func TestInstallHandler(t *testing.T) {
|
|
mux := http.NewServeMux()
|
|
InstallHandler(mux)
|
|
req, err := http.NewRequest("GET", "http://example.com/healthz", nil)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
w := httptest.NewRecorder()
|
|
mux.ServeHTTP(w, req)
|
|
if w.Code != http.StatusOK {
|
|
t.Errorf("expected %v, got %v", http.StatusOK, w.Code)
|
|
}
|
|
if w.Body.String() != "ok" {
|
|
t.Errorf("expected %v, got %v", "ok", w.Body.String())
|
|
}
|
|
}
|
|
|
|
func TestMulitipleChecks(t *testing.T) {
|
|
tests := []struct {
|
|
path string
|
|
expectedResponse string
|
|
expectedStatus int
|
|
addBadCheck bool
|
|
}{
|
|
{"/healthz?verbose", "[+]ping ok\nhealthz check passed\n", http.StatusOK, false},
|
|
{"/healthz/ping", "ok", http.StatusOK, false},
|
|
{"/healthz", "ok", http.StatusOK, false},
|
|
{"/healthz?verbose", "[+]ping ok\n[-]bad failed: reason withheld\nhealthz check failed\n", http.StatusInternalServerError, true},
|
|
{"/healthz/ping", "ok", http.StatusOK, true},
|
|
{"/healthz/bad", "internal server error: this will fail\n", http.StatusInternalServerError, true},
|
|
{"/healthz", "[+]ping ok\n[-]bad failed: reason withheld\nhealthz check failed\n", http.StatusInternalServerError, true},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
mux := http.NewServeMux()
|
|
checks := []HealthzChecker{PingHealthz}
|
|
if test.addBadCheck {
|
|
checks = append(checks, NamedCheck("bad", func(_ *http.Request) error {
|
|
return errors.New("this will fail")
|
|
}))
|
|
}
|
|
InstallHandler(mux, checks...)
|
|
req, err := http.NewRequest("GET", fmt.Sprintf("http://example.com%v", test.path), nil)
|
|
if err != nil {
|
|
t.Fatalf("case[%d] Unexpected error: %v", i, err)
|
|
}
|
|
w := httptest.NewRecorder()
|
|
mux.ServeHTTP(w, req)
|
|
if w.Code != test.expectedStatus {
|
|
t.Errorf("case[%d] Expected: %v, got: %v", i, test.expectedStatus, w.Code)
|
|
}
|
|
if w.Body.String() != test.expectedResponse {
|
|
t.Errorf("case[%d] Expected:\n%v\ngot:\n%v\n", i, test.expectedResponse, w.Body.String())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCheckerNames(t *testing.T) {
|
|
n1 := "n1"
|
|
n2 := "n2"
|
|
c1 := &healthzCheck{name: n1}
|
|
c2 := &healthzCheck{name: n2}
|
|
|
|
testCases := []struct {
|
|
desc string
|
|
have []HealthzChecker
|
|
want []string
|
|
}{
|
|
{"no checker", []HealthzChecker{}, []string{}},
|
|
{"one checker", []HealthzChecker{c1}, []string{n1}},
|
|
{"other checker", []HealthzChecker{c2}, []string{n2}},
|
|
{"checker order", []HealthzChecker{c1, c2}, []string{n1, n2}},
|
|
{"different checker order", []HealthzChecker{c2, c1}, []string{n2, n1}},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
result := checkerNames(tc.have...)
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
if reflect.DeepEqual(tc.want, result) {
|
|
t.Errorf("want %#v, got %#v", tc.want, result)
|
|
}
|
|
})
|
|
}
|
|
|
|
}
|