istio.io/istio@v0.0.0-20240520182934-d79c90f27776/operator/pkg/tpath/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 tpath
    16  
    17  import (
    18  	"errors"
    19  	"testing"
    20  )
    21  
    22  func TestAddSpecRoot(t *testing.T) {
    23  	tests := []struct {
    24  		desc   string
    25  		in     string
    26  		expect string
    27  		err    error
    28  	}{
    29  		{
    30  			desc: "empty",
    31  			in:   ``,
    32  			expect: `spec: {}
    33  `,
    34  			err: nil,
    35  		},
    36  		{
    37  			desc: "add-root",
    38  			in: `
    39  a: va
    40  b: foo`,
    41  			expect: `spec:
    42    a: va
    43    b: foo
    44  `,
    45  			err: nil,
    46  		},
    47  		{
    48  			desc:   "err",
    49  			in:     `i can't be yaml, can I?`,
    50  			expect: ``,
    51  			err:    errors.New(""),
    52  		},
    53  	}
    54  
    55  	for _, tt := range tests {
    56  		t.Run(tt.desc, func(t *testing.T) {
    57  			if got, err := AddSpecRoot(tt.in); got != tt.expect ||
    58  				((err != nil && tt.err == nil) || (err == nil && tt.err != nil)) {
    59  				t.Errorf("%s AddSpecRoot(%s) => %s, want %s", tt.desc, tt.in, got, tt.expect)
    60  			}
    61  		})
    62  	}
    63  }
    64  
    65  func TestGetConfigSubtree(t *testing.T) {
    66  	tests := []struct {
    67  		desc     string
    68  		manifest string
    69  		path     string
    70  		expect   string
    71  		err      bool
    72  	}{
    73  		{
    74  			desc:     "empty",
    75  			manifest: ``,
    76  			path:     ``,
    77  			expect: `{}
    78  `,
    79  			err: false,
    80  		},
    81  		{
    82  			desc: "subtree",
    83  			manifest: `
    84  a:
    85    b:
    86    - name: n1
    87      value: v2
    88    - list:
    89      - v1
    90      - v2
    91      - v3_regex
    92      name: n2
    93  `,
    94  			path: `a`,
    95  			expect: `b:
    96  - name: n1
    97    value: v2
    98  - list:
    99    - v1
   100    - v2
   101    - v3_regex
   102    name: n2
   103  `,
   104  			err: false,
   105  		},
   106  		{
   107  			desc:     "err",
   108  			manifest: "not-yaml",
   109  			path:     "not-subnode",
   110  			expect:   ``,
   111  			err:      true,
   112  		},
   113  	}
   114  
   115  	for _, tt := range tests {
   116  		t.Run(tt.desc, func(t *testing.T) {
   117  			if got, err := GetConfigSubtree(tt.manifest, tt.path); got != tt.expect || (err == nil) == tt.err {
   118  				t.Errorf("%s GetConfigSubtree(%s, %s) => %s, want %s", tt.desc, tt.manifest, tt.path, got, tt.expect)
   119  			}
   120  		})
   121  	}
   122  }