mirror of
https://github.com/etcd-io/etcd.git
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79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package wal
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import (
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"io/ioutil"
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"os"
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"path"
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"strings"
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"testing"
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)
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func TestDetectVersion(t *testing.T) {
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tests := []struct {
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names []string
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wver WalVersion
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}{
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{[]string{}, WALNotExist},
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{[]string{"member/", "member/wal/", "member/wal/1", "member/snap/"}, WALv2_0_1},
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{[]string{"snap/", "wal/", "wal/1"}, WALv2_0},
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{[]string{"snapshot/", "conf", "log"}, WALv0_4},
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{[]string{"weird"}, WALUnknown},
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{[]string{"snap/", "wal/"}, WALUnknown},
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}
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for i, tt := range tests {
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p := mustMakeDir(t, tt.names...)
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ver, err := DetectVersion(p)
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if ver != tt.wver {
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t.Errorf("#%d: version = %s, want %s", i, ver, tt.wver)
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}
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if err != nil {
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t.Errorf("#%d: err = %s, want nil", i, err)
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}
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os.RemoveAll(p)
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}
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// detect on non-exist directory
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v, err := DetectVersion(path.Join(os.TempDir(), "waltest", "not-exist"))
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if v != WALNotExist {
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t.Errorf("#non-exist: version = %s, want %s", v, WALNotExist)
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}
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if err != nil {
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t.Errorf("#non-exist: err = %s, want %s", v, WALNotExist)
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}
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}
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// mustMakeDir builds the directory that contains files with the given
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// names. If the name ends with '/', it is created as a directory.
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func mustMakeDir(t *testing.T, names ...string) string {
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p, err := ioutil.TempDir(os.TempDir(), "waltest")
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if err != nil {
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t.Fatal(err)
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}
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for _, n := range names {
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if strings.HasSuffix(n, "/") {
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if err := os.MkdirAll(path.Join(p, n), 0700); err != nil {
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t.Fatal(err)
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}
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} else {
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if _, err := os.Create(path.Join(p, n)); err != nil {
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t.Fatal(err)
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}
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}
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}
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return p
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}
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