istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/util/yml/apply_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 yml
    16  
    17  import (
    18  	"testing"
    19  )
    20  
    21  func TestApplyNamespace(t *testing.T) {
    22  	cases := []struct {
    23  		name      string
    24  		yml       string
    25  		namespace string
    26  		expected  string
    27  	}{
    28  		{
    29  			"no namespace",
    30  			`metadata:
    31    name: foo`,
    32  			"default",
    33  			`metadata:
    34    name: foo
    35    namespace: default`,
    36  		},
    37  		{
    38  			"empty namespace",
    39  			`metadata:
    40    name: foo
    41    namespace: ""`,
    42  			"default",
    43  			`metadata:
    44    name: foo
    45    namespace: default`,
    46  		},
    47  		{
    48  			"existing namespace",
    49  			`metadata:
    50    name: foo
    51    namespace: bar`,
    52  			"default",
    53  			`metadata:
    54    name: foo
    55    namespace: bar`,
    56  		},
    57  		{
    58  			"multipart",
    59  			`apiVersion: v1
    60  metadata:
    61    name: foo
    62  ---
    63  apiVersion: v1
    64  metadata:
    65    name: bar
    66  `,
    67  			"default",
    68  			`apiVersion: v1
    69  metadata:
    70    name: foo
    71    namespace: default
    72  ---
    73  apiVersion: v1
    74  metadata:
    75    name: bar
    76    namespace: default`,
    77  		},
    78  	}
    79  	for _, tt := range cases {
    80  		t.Run(tt.name, func(t *testing.T) {
    81  			got, err := ApplyNamespace(tt.yml, tt.namespace)
    82  			if err != nil {
    83  				t.Fatal(err)
    84  			}
    85  			if got != tt.expected {
    86  				t.Fatalf("expected '%s', got '%s'", tt.expected, got)
    87  			}
    88  		})
    89  	}
    90  }