121 lines
2.3 KiB
Go
121 lines
2.3 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipn
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import (
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"path/filepath"
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"testing"
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"tailscale.com/tstest"
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)
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func testStoreSemantics(t *testing.T, store StateStore) {
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t.Helper()
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tests := []struct {
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// if true, data is data to write. If false, data is expected
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// output of read.
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write bool
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id StateKey
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data string
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// If write=false, true if we expect a not-exist error.
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notExists bool
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}{
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{
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id: "foo",
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notExists: true,
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},
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{
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write: true,
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id: "foo",
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data: "bar",
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},
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{
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id: "foo",
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data: "bar",
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},
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{
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id: "baz",
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notExists: true,
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},
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{
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write: true,
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id: "baz",
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data: "quux",
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},
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{
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id: "foo",
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data: "bar",
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},
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{
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id: "baz",
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data: "quux",
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},
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}
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for _, test := range tests {
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if test.write {
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if err := store.WriteState(test.id, []byte(test.data)); err != nil {
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t.Errorf("writing %q to %q: %v", test.data, test.id, err)
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}
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} else {
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bs, err := store.ReadState(test.id)
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if err != nil {
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if test.notExists && err == ErrStateNotExist {
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continue
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}
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t.Errorf("reading %q: %v", test.id, err)
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continue
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}
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if string(bs) != test.data {
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t.Errorf("reading %q: got %q, want %q", test.id, string(bs), test.data)
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}
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}
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}
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}
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func TestMemoryStore(t *testing.T) {
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tstest.PanicOnLog()
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store := &MemoryStore{}
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testStoreSemantics(t, store)
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}
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func TestFileStore(t *testing.T) {
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tstest.PanicOnLog()
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dir := t.TempDir()
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path := filepath.Join(dir, "test-file-store.conf")
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store, err := NewFileStore(path)
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if err != nil {
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t.Fatalf("creating file store failed: %v", err)
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}
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testStoreSemantics(t, store)
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// Build a brand new file store and check that both IDs written
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// above are still there.
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store, err = NewFileStore(path)
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if err != nil {
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t.Fatalf("creating second file store failed: %v", err)
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}
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expected := map[StateKey]string{
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"foo": "bar",
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"baz": "quux",
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}
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for key, want := range expected {
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bs, err := store.ReadState(key)
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if err != nil {
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t.Errorf("reading %q (2nd store): %v", key, err)
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continue
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}
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if string(bs) != want {
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t.Errorf("reading %q (2nd store): got %q, want %q", key, bs, want)
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}
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}
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}
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