kube-state-metrics/pkg/options/options_test.go

66 lines
1.6 KiB
Go

/*
Copyright 2018 The Kubernetes Authors All rights reserved.
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 options
import (
"os"
"testing"
)
func TestOptionsParse(t *testing.T) {
tests := []struct {
Desc string
Args []string
ExpectsError bool
}{
{
Desc: "resources command line argument",
Args: []string{"./kube-state-metrics", "--resources=configmaps,pods"},
ExpectsError: false,
},
{
Desc: "namespaces command line argument",
Args: []string{"./kube-state-metrics", "--namespaces=default,kube-system"},
ExpectsError: false,
},
{
Desc: "foo command line argument",
Args: []string{"./kube-state-metrics", "--foo=bar,baz"},
ExpectsError: true,
},
}
opts := NewOptions()
opts.AddFlags(InitCommand)
for _, test := range tests {
t.Run(test.Desc, func(t *testing.T) {
os.Args = test.Args
err := opts.Parse()
if !test.ExpectsError && err != nil {
t.Errorf("Error for test with description: %s: %v", test.Desc, err.Error())
}
if test.ExpectsError && err == nil {
t.Errorf("Expected error for test with description: %s", test.Desc)
}
})
}
}