kubernetes/cmd/kubeadm/app/util/env_test.go
Dave Chen 80b035a116 kubeadm: Support custom env in control plane component
Signed-off-by: Dave Chen <dave.chen@arm.com>
2023-07-04 09:57:07 +08:00

77 lines
1.8 KiB
Go

/*
Copyright 2023 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"testing"
"github.com/stretchr/testify/assert"
v1 "k8s.io/api/core/v1"
)
func TestMergeEnv(t *testing.T) {
baseEnv := []v1.EnvVar{}
extraEnv := []v1.EnvVar{}
MergeEnv(append(baseEnv, extraEnv...))
var tests = []struct {
name string
proxyEnv []v1.EnvVar
extraEnv []v1.EnvVar
mergedEnv []v1.EnvVar
}{
{
name: "normal case without duplicated env",
proxyEnv: []v1.EnvVar{
{Name: "Foo1", Value: "Bar1"},
{Name: "Foo2", Value: "Bar2"},
},
extraEnv: []v1.EnvVar{
{Name: "Foo3", Value: "Bar3"},
},
mergedEnv: []v1.EnvVar{
{Name: "Foo1", Value: "Bar1"},
{Name: "Foo2", Value: "Bar2"},
{Name: "Foo3", Value: "Bar3"},
},
},
{
name: "extraEnv env take precedence over the proxyEnv",
proxyEnv: []v1.EnvVar{
{Name: "Foo1", Value: "Bar1"},
{Name: "Foo2", Value: "Bar2"},
},
extraEnv: []v1.EnvVar{
{Name: "Foo2", Value: "Bar3"},
},
mergedEnv: []v1.EnvVar{
{Name: "Foo1", Value: "Bar1"},
{Name: "Foo2", Value: "Bar3"},
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
envs := MergeEnv(test.proxyEnv, test.extraEnv)
if !assert.ElementsMatch(t, envs, test.mergedEnv) {
t.Errorf("expected env: %v, got: %v", test.mergedEnv, envs)
}
})
}
}