validator_test.go

Documentation: k8s.io/kubernetes/pkg/registry/core/componentstatus

     1  /*
     2  Copyright 2014 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 componentstatus
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  	"testing"
    23  
    24  	"k8s.io/kubernetes/pkg/probe"
    25  )
    26  
    27  func matchError(data []byte) error {
    28  	if string(data) != "bar" {
    29  		return errors.New("match error")
    30  	}
    31  	return nil
    32  }
    33  
    34  func TestValidate(t *testing.T) {
    35  	tests := []struct {
    36  		probeResult probe.Result
    37  		probeData   string
    38  		probeErr    error
    39  
    40  		expectResult probe.Result
    41  		expectData   string
    42  		expectErr    bool
    43  
    44  		validator ValidatorFn
    45  	}{
    46  		{probe.Unknown, "", fmt.Errorf("probe error"), probe.Unknown, "", true, nil},
    47  		{probe.Failure, "", nil, probe.Failure, "", false, nil},
    48  		{probe.Success, "foo", nil, probe.Failure, "foo", true, matchError},
    49  		{probe.Success, "foo", nil, probe.Success, "foo", false, nil},
    50  	}
    51  
    52  	s := HttpServer{Addr: "foo.com", Port: 8080, Path: "/healthz"}
    53  
    54  	for _, test := range tests {
    55  		fakeProber := &fakeHttpProber{
    56  			result: test.probeResult,
    57  			body:   test.probeData,
    58  			err:    test.probeErr,
    59  		}
    60  
    61  		s.Validate = test.validator
    62  		s.Prober = fakeProber
    63  		result, data, err := s.DoServerCheck()
    64  		if test.expectErr && err == nil {
    65  			t.Error("unexpected non-error")
    66  		}
    67  		if !test.expectErr && err != nil {
    68  			t.Errorf("unexpected error: %v", err)
    69  		}
    70  		if data != test.expectData {
    71  			t.Errorf("expected %s, got %s", test.expectData, data)
    72  		}
    73  		if result != test.expectResult {
    74  			t.Errorf("expected %s, got %s", test.expectResult, result)
    75  		}
    76  	}
    77  }
    78
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