97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
//go:build !providerless && windows
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// +build !providerless,windows
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/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package awsebs
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import (
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"errors"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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volumetest "k8s.io/kubernetes/pkg/volume/testing"
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"k8s.io/utils/exec"
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exectest "k8s.io/utils/exec/testing"
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)
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func TestGetDevicePath(t *testing.T) {
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testCases := []struct {
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commandOutput string
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commandError error
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expectedOutput string
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expectedError bool
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expectedErrMsg string
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}{
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{
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commandOutput: "",
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commandError: errors.New("expected error."),
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expectedError: true,
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expectedErrMsg: "error calling ebsnvme-id.exe: expected error.",
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},
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{
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commandOutput: "foolish output.",
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expectedError: true,
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expectedErrMsg: `disk not found in ebsnvme-id.exe output: "foolish output."`,
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},
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{
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commandOutput: "Disk Number: 42\nVolume ID: vol-fake-id",
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expectedOutput: "42",
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},
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}
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fakeHost := volumetest.NewFakeVolumeHost(t, os.TempDir(), nil, nil)
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fakeExec := fakeHost.GetExec("").(*exectest.FakeExec)
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// This will enable fakeExec to "run" commands.
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fakeExec.DisableScripts = false
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attacher := &awsElasticBlockStoreAttacher{
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host: fakeHost,
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}
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for _, tc := range testCases {
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fakeCmd := &exectest.FakeCmd{
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CombinedOutputScript: []exectest.FakeAction{
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func() ([]byte, []byte, error) {
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return []byte(tc.commandOutput), []byte(""), tc.commandError
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},
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},
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}
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fakeExec.CommandScript = []exectest.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd {
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return fakeCmd
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},
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}
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fakeExec.CommandCalls = 0
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fakeVolID := "aws://us-west-2b/vol-fake-id"
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devPath, err := attacher.getDevicePath(fakeVolID, "fake-partition", "fake-device-path")
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if tc.expectedError {
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if err == nil || err.Error() != tc.expectedErrMsg {
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t.Errorf("expected error message `%s` but got `%v`", tc.expectedErrMsg, err)
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}
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continue
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}
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require.NoError(t, err)
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assert.Equal(t, tc.expectedOutput, devPath)
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}
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}
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