kubernetes/cmd/kubeadm/app/cmd/upgrade/diff_test.go

92 lines
2.5 KiB
Go

/*
Copyright 2018 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 upgrade
import (
"io/ioutil"
"testing"
)
const (
testUpgradeDiffConfig = `testdata/diff_controlplane_config.yaml`
testUpgradeDiffManifest = `testdata/diff_dummy_manifest.yaml`
)
func TestRunDiff(t *testing.T) {
flags := &diffFlags{
cfgPath: "",
out: ioutil.Discard,
}
// TODO: Add test cases for empty cfgPath, it should automatically fetch cfg from cluster
testCases := []struct {
name string
args []string
setManifestPath bool
manifestPath string
cfgPath string
expectedError bool
}{
{
name: "valid: run diff on valid manifest path",
cfgPath: testUpgradeDiffConfig,
setManifestPath: true,
manifestPath: testUpgradeDiffManifest,
expectedError: false,
},
{
name: "invalid: missing config file",
cfgPath: "missing-path-to-a-config",
expectedError: true,
},
{
name: "invalid: valid config but empty manifest path",
cfgPath: testUpgradeDiffConfig,
setManifestPath: true,
manifestPath: "",
expectedError: true,
},
{
name: "invalid: valid config but bad manifest path",
cfgPath: testUpgradeDiffConfig,
setManifestPath: true,
manifestPath: "bad-path",
expectedError: true,
},
{
name: "invalid: badly formatted version as argument",
cfgPath: testUpgradeDiffConfig,
args: []string{"bad-version"},
expectedError: true,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
flags.cfgPath = tc.cfgPath
if tc.setManifestPath {
flags.apiServerManifestPath = tc.manifestPath
flags.controllerManagerManifestPath = tc.manifestPath
flags.schedulerManifestPath = tc.manifestPath
}
if err := runDiff(flags, tc.args); (err != nil) != tc.expectedError {
t.Fatalf("expected error: %v, saw: %v, error: %v", tc.expectedError, (err != nil), err)
}
})
}
}