k8s.io/apiserver@v0.31.1/pkg/admission/handler_test.go (about)

     1  /*
     2  Copyright 2017 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package admission
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  )
    23  
    24  func TestWaitForReady(t *testing.T) {
    25  	handler := newFakeHandler()
    26  
    27  	// 1. test no readyFunc
    28  	if !handler.WaitForReady() {
    29  		t.Errorf("Expect ready for no readyFunc provided.")
    30  	}
    31  
    32  	// 2. readyFunc return ready immediately
    33  	readyFunc := func() bool {
    34  		return true
    35  	}
    36  	handler.SetReadyFunc(readyFunc)
    37  	if !handler.WaitForReady() {
    38  		t.Errorf("Expect ready for readyFunc returns ready immediately.")
    39  	}
    40  
    41  	// 3. readyFunc always return not ready. WaitForReady timeout
    42  	readyFunc = func() bool {
    43  		return false
    44  	}
    45  	startTime := time.Now()
    46  	handler.SetReadyFunc(readyFunc)
    47  	if handler.WaitForReady() {
    48  		t.Errorf("Expect not ready for readyFunc returns not ready immediately.")
    49  	}
    50  	if time.Since(startTime) < timeToWaitForReady {
    51  		t.Errorf("Expect WaitForReady timeout.")
    52  	}
    53  }
    54  
    55  func newFakeHandler() *Handler {
    56  	return NewHandler(Create, Update)
    57  }