mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-05 07:55:36 +00:00
57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
|
// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
package jsondb
|
||
|
|
||
|
import (
|
||
|
"log"
|
||
|
"os"
|
||
|
"path/filepath"
|
||
|
"testing"
|
||
|
|
||
|
"github.com/google/go-cmp/cmp"
|
||
|
)
|
||
|
|
||
|
func TestDB(t *testing.T) {
|
||
|
dir, err := os.MkdirTemp("", "db-test")
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
defer os.RemoveAll(dir)
|
||
|
|
||
|
path := filepath.Join(dir, "db.json")
|
||
|
db, err := Open[testDB](path)
|
||
|
if err != nil {
|
||
|
t.Fatalf("creating empty DB: %v", err)
|
||
|
}
|
||
|
|
||
|
if diff := cmp.Diff(db.Data, &testDB{}, cmp.AllowUnexported(testDB{})); diff != "" {
|
||
|
t.Fatalf("unexpected empty DB content (-got+want):\n%s", diff)
|
||
|
}
|
||
|
db.Data.MyString = "test"
|
||
|
db.Data.unexported = "don't keep"
|
||
|
db.Data.AnInt = 42
|
||
|
if err := db.Save(); err != nil {
|
||
|
t.Fatalf("saving database: %v", err)
|
||
|
}
|
||
|
|
||
|
db2, err := Open[testDB](path)
|
||
|
if err != nil {
|
||
|
log.Fatalf("opening DB again: %v", err)
|
||
|
}
|
||
|
want := &testDB{
|
||
|
MyString: "test",
|
||
|
AnInt: 42,
|
||
|
}
|
||
|
if diff := cmp.Diff(db2.Data, want, cmp.AllowUnexported(testDB{})); diff != "" {
|
||
|
t.Fatalf("unexpected saved DB content (-got+want):\n%s", diff)
|
||
|
}
|
||
|
}
|
||
|
|
||
|
type testDB struct {
|
||
|
MyString string
|
||
|
unexported string
|
||
|
AnInt int64
|
||
|
}
|