taint_test.go

Documentation: k8s.io/kubernetes/pkg/scheduler/framework/plugins/helper

     1  /*
     2  Copyright 2022 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 helper
    18  
    19  import (
    20  	"testing"
    21  
    22  	v1 "k8s.io/api/core/v1"
    23  )
    24  
    25  func TestDoNotScheduleTaintsFilterFunc(t *testing.T) {
    26  	tests := []struct {
    27  		name     string
    28  		taint    *v1.Taint
    29  		expected bool
    30  	}{
    31  		{
    32  			name: "should include the taints with NoSchedule effect",
    33  			taint: &v1.Taint{
    34  				Effect: v1.TaintEffectNoSchedule,
    35  			},
    36  			expected: true,
    37  		},
    38  		{
    39  			name: "should include the taints with NoExecute effect",
    40  			taint: &v1.Taint{
    41  				Effect: v1.TaintEffectNoExecute,
    42  			},
    43  			expected: true,
    44  		},
    45  		{
    46  			name: "should not include the taints with PreferNoSchedule effect",
    47  			taint: &v1.Taint{
    48  				Effect: v1.TaintEffectPreferNoSchedule,
    49  			},
    50  			expected: false,
    51  		},
    52  	}
    53  
    54  	filterPredicate := DoNotScheduleTaintsFilterFunc()
    55  
    56  	for i := range tests {
    57  		test := tests[i]
    58  		t.Run(test.name, func(t *testing.T) {
    59  			if got := filterPredicate(test.taint); got != test.expected {
    60  				t.Errorf("unexpected result, expected %v but got %v", test.expected, got)
    61  			}
    62  		})
    63  	}
    64  }
    65
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