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config_test.go
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config_test.go
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/*
Copyright 2020 The OpenEBS 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 v1alpha1
import (
"github.com/openebs/zfs-localpv/pkg/common/env"
"os"
"testing"
)
// test if configFromENV implements ConfigGetter interface
var _ ConfigGetter = &configFromENV{}
// test if configFromREST implements ConfigGetter interface
var _ ConfigGetter = &configFromREST{}
// test if ConfigGetters implements ConfigGetter interface
var _ ConfigGetter = ConfigGetters{}
func TestConfigFromENV(t *testing.T) {
tests := map[string]struct {
masterip string
kubeconfig string
iserr bool
}{
"101": {"", "", true},
"102": {"", "/etc/config/kubeconfig", true},
"103": {"0.0.0.0", "", false},
"104": {"0.0.0.0", "/etc/config/config", true},
}
// Sub tests is not used here as env key is set & unset to test. Since env
// is a global setting, the tests should run serially
for name, mock := range tests {
masterip := os.Getenv(string(env.KubeMaster))
defer os.Setenv(string(env.KubeMaster), masterip)
kubeconfig := os.Getenv(string(env.KubeConfig))
defer os.Setenv(string(env.KubeConfig), kubeconfig)
err := os.Setenv(string(env.KubeMaster), mock.masterip)
if err != nil {
t.Fatalf("Test '%s' failed: %s", name, err)
}
err = os.Setenv(string(env.KubeConfig), mock.kubeconfig)
if err != nil {
t.Fatalf("Test '%s' failed: %s", name, err)
}
c := &configFromENV{}
config, err := c.Get()
if !mock.iserr && config == nil {
t.Fatalf("Test '%s' failed: expected config: actual nil config", name)
}
if !mock.iserr && err != nil {
t.Fatalf("Test '%s' failed: expected no error: actual %s", name, err)
}
}
}