options_test.go

Documentation: k8s.io/component-base/metrics

     1  /*
     2  Copyright 2021 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 metrics
    18  
    19  import "testing"
    20  
    21  func TestValidateAllowMetricLabel(t *testing.T) {
    22  	var tests = []struct {
    23  		name          string
    24  		input         map[string]string
    25  		expectedError bool
    26  	}{
    27  		{
    28  			"validated",
    29  			map[string]string{
    30  				"metric_name,label_name": "labelValue1,labelValue2",
    31  			},
    32  			false,
    33  		},
    34  		{
    35  			"metric name is not valid",
    36  			map[string]string{
    37  				"-metric_name,label_name": "labelValue1,labelValue2",
    38  			},
    39  			true,
    40  		},
    41  		{
    42  			"label name is not valid",
    43  			map[string]string{
    44  				"metric_name,:label_name": "labelValue1,labelValue2",
    45  			},
    46  			true,
    47  		},
    48  		{
    49  			"no label name",
    50  			map[string]string{
    51  				"metric_name": "labelValue1,labelValue2",
    52  			},
    53  			true,
    54  		},
    55  	}
    56  	for _, tt := range tests {
    57  		t.Run(tt.name, func(t *testing.T) {
    58  			err := validateAllowMetricLabel(tt.input)
    59  			if err == nil && tt.expectedError {
    60  				t.Error("Got error is nil, wanted error is not nil")
    61  			}
    62  			if err != nil && !tt.expectedError {
    63  				t.Errorf("Got error is %v, wanted no error", err)
    64  			}
    65  		})
    66  	}
    67  }
    68
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