port_range_test.go

Documentation: k8s.io/apimachinery/pkg/util/net

     1  /*
     2  Copyright 2015 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 net
    18  
    19  import (
    20  	"testing"
    21  
    22  	flag "github.com/spf13/pflag"
    23  )
    24  
    25  func TestPortRange(t *testing.T) {
    26  	testCases := []struct {
    27  		input    string
    28  		success  bool
    29  		expected string
    30  		included int
    31  		excluded int
    32  	}{
    33  		{"100-200", true, "100-200", 200, 201},
    34  		{" 100-200 ", true, "100-200", 200, 201},
    35  		{"0-0", true, "0-0", 0, 1},
    36  		{"", true, "", -1, 0},
    37  		{"100", true, "100-100", 100, 101},
    38  		{"100 - 200", false, "", -1, -1},
    39  		{"-100", false, "", -1, -1},
    40  		{"100-", false, "", -1, -1},
    41  		{"200-100", false, "", -1, -1},
    42  		{"60000-70000", false, "", -1, -1},
    43  		{"70000-80000", false, "", -1, -1},
    44  		{"70000+80000", false, "", -1, -1},
    45  		{"1+0", true, "1-1", 1, 2},
    46  		{"0+0", true, "0-0", 0, 1},
    47  		{"1+-1", false, "", -1, -1},
    48  		{"1-+1", false, "", -1, -1},
    49  		{"100+200", true, "100-300", 300, 301},
    50  		{"1+65535", false, "", -1, -1},
    51  		{"0+65535", true, "0-65535", 65535, 65536},
    52  	}
    53  
    54  	for i := range testCases {
    55  		tc := &testCases[i]
    56  		pr := &PortRange{}
    57  		var f flag.Value = pr
    58  		err := f.Set(tc.input)
    59  		if err != nil && tc.success {
    60  			t.Errorf("expected success, got %q", err)
    61  			continue
    62  		} else if err == nil && !tc.success {
    63  			t.Errorf("expected failure %#v", testCases[i])
    64  			continue
    65  		} else if tc.success {
    66  			if f.String() != tc.expected {
    67  				t.Errorf("expected %q, got %q", tc.expected, f.String())
    68  			}
    69  			if tc.included >= 0 && !pr.Contains(tc.included) {
    70  				t.Errorf("expected %q to include %d", f.String(), tc.included)
    71  			}
    72  			if tc.excluded >= 0 && pr.Contains(tc.excluded) {
    73  				t.Errorf("expected %q to exclude %d", f.String(), tc.excluded)
    74  			}
    75  		}
    76  	}
    77  }
    78
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