github.com/wmuizelaar/kpt@v0.0.0-20221018115725-bd564717b2ed/internal/util/cfgflags/useragent_test.go (about)

     1  // Copyright 2019 Google LLC
     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 cfgflags
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  	"k8s.io/apimachinery/pkg/api/meta"
    22  	"k8s.io/client-go/discovery"
    23  	"k8s.io/client-go/rest"
    24  	"k8s.io/client-go/tools/clientcmd"
    25  )
    26  
    27  func TestUserAgentConfigFlags(t *testing.T) {
    28  	testCases := []struct {
    29  		name              string
    30  		existingUserAgent string
    31  		newUserAgent      string
    32  		expectedUserAgent string
    33  	}{
    34  		{
    35  			name:              "new useragent",
    36  			existingUserAgent: "kubectl",
    37  			newUserAgent:      "kpt",
    38  			expectedUserAgent: "kpt",
    39  		},
    40  		{
    41  			name:              "no new useragent",
    42  			existingUserAgent: "kubectl",
    43  			newUserAgent:      "",
    44  			expectedUserAgent: "kubectl",
    45  		},
    46  	}
    47  
    48  	for i := range testCases {
    49  		tc := testCases[i]
    50  		t.Run(tc.name, func(t *testing.T) {
    51  			baseConfig := &rest.Config{
    52  				UserAgent: tc.existingUserAgent,
    53  			}
    54  
    55  			cf := &UserAgentKubeConfigFlags{
    56  				Delegate: &fakeRESTClientGetter{
    57  					config: baseConfig,
    58  				},
    59  				UserAgent: tc.newUserAgent,
    60  			}
    61  			config, err := cf.ToRESTConfig()
    62  			assert.NoError(t, err)
    63  			assert.Equal(t, tc.expectedUserAgent, config.UserAgent)
    64  		})
    65  	}
    66  }
    67  
    68  type fakeRESTClientGetter struct {
    69  	config *rest.Config
    70  }
    71  
    72  func (f *fakeRESTClientGetter) ToRESTConfig() (*rest.Config, error) {
    73  	return f.config, nil
    74  }
    75  
    76  func (f *fakeRESTClientGetter) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
    77  	return nil, nil
    78  }
    79  
    80  func (f *fakeRESTClientGetter) ToRESTMapper() (meta.RESTMapper, error) {
    81  	return nil, nil
    82  }
    83  
    84  func (f *fakeRESTClientGetter) ToRawKubeConfigLoader() clientcmd.ClientConfig {
    85  	return nil
    86  }