kubernetes tcp_test 源码
kubernetes tcp_test 代码
文件路径：/pkg/probe/tcp/tcp_test.go
/*
Copyright 2015 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 tcp
import (
"net"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"time"
"k8s.io/kubernetes/pkg/probe"
)
func TestTcpHealthChecker(t *testing.T) {
// Setup a test server that responds to probing correctly
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}))
defer server.Close()
tHost, tPortStr, err := net.SplitHostPort(server.Listener.Addr().String())
if err != nil {
t.Errorf("unexpected error: %v", err)
}
tPort, err := strconv.Atoi(tPortStr)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
tests := []struct {
host string
port int
expectedStatus probe.Result
expectedError error
}{
// A connection is made and probing would succeed
{tHost, tPort, probe.Success, nil},
// No connection can be made and probing would fail
{tHost, -1, probe.Failure, nil},
}
prober := New()
for i, tt := range tests {
status, _, err := prober.Probe(tt.host, tt.port, 1*time.Second)
if status != tt.expectedStatus {
t.Errorf("#%d: expected status=%v, get=%v", i, tt.expectedStatus, status)
}
if err != tt.expectedError {
t.Errorf("#%d: expected error=%v, get=%v", i, tt.expectedError, err)
}
}
}
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