istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pilot/pkg/security/trustdomain/util_test.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package trustdomain
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  func TestStringMatch(t *testing.T) {
    22  	tests := []struct {
    23  		desc     string
    24  		element  string
    25  		list     []string
    26  		expected bool
    27  	}{
    28  		{
    29  			desc:     "wildcard",
    30  			element:  "*",
    31  			list:     []string{"match-me"},
    32  			expected: true,
    33  		},
    34  		{
    35  			desc:     "suffix=match",
    36  			element:  "yo*",
    37  			list:     []string{"yo", "yolo", "yo-yo"},
    38  			expected: true,
    39  		},
    40  		{
    41  			desc:     "no-sub",
    42  			element:  "foo",
    43  			list:     []string{"bar"},
    44  			expected: false,
    45  		},
    46  		{
    47  			desc:     "prefix-match",
    48  			element:  "*yo",
    49  			list:     []string{"yoyo", "goyo"},
    50  			expected: true,
    51  		},
    52  		{
    53  			desc:     "empty",
    54  			element:  "",
    55  			list:     []string{"yo", "tawg"},
    56  			expected: false,
    57  		},
    58  	}
    59  
    60  	for _, tt := range tests {
    61  		t.Run(tt.desc, func(t *testing.T) {
    62  			if got := stringMatch(tt.element, tt.list); got != tt.expected {
    63  				t.Errorf("%s: expected %v got %v", tt.desc, tt.expected, got)
    64  			}
    65  		})
    66  	}
    67  }