1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// Copyright 2011 Google Inc. All Rights Reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"bytes"
"encoding/gob"
"encoding/json"
"testing"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
)
func TestKeyEncoding(t *testing.T) {
testCases := []struct {
desc string
key *Key
exp string
}{
{
desc: "A simple key with an int ID",
key: &Key{
kind: "Person",
intID: 1,
appID: "glibrary",
},
exp: "aghnbGlicmFyeXIMCxIGUGVyc29uGAEM",
},
{
desc: "A simple key with a string ID",
key: &Key{
kind: "Graph",
stringID: "graph:7-day-active",
appID: "glibrary",
},
exp: "aghnbGlicmFyeXIdCxIFR3JhcGgiEmdyYXBoOjctZGF5LWFjdGl2ZQw",
},
{
desc: "A key with a parent",
key: &Key{
kind: "WordIndex",
intID: 1033,
parent: &Key{
kind: "WordIndex",
intID: 1020032,
appID: "glibrary",
},
appID: "glibrary",
},
exp: "aghnbGlicmFyeXIhCxIJV29yZEluZGV4GIChPgwLEglXb3JkSW5kZXgYiQgM",
},
}
for _, tc := range testCases {
enc := tc.key.Encode()
if enc != tc.exp {
t.Errorf("%s: got %q, want %q", tc.desc, enc, tc.exp)
}
key, err := DecodeKey(tc.exp)
if err != nil {
t.Errorf("%s: failed decoding key: %v", tc.desc, err)
continue
}
if !key.Equal(tc.key) {
t.Errorf("%s: decoded key %v, want %v", tc.desc, key, tc.key)
}
}
}
func TestKeyGob(t *testing.T) {
k := &Key{
kind: "Gopher",
intID: 3,
parent: &Key{
kind: "Mom",
stringID: "narwhal",
appID: "gopher-con",
},
appID: "gopher-con",
}
buf := new(bytes.Buffer)
if err := gob.NewEncoder(buf).Encode(k); err != nil {
t.Fatalf("gob encode failed: %v", err)
}
k2 := new(Key)
if err := gob.NewDecoder(buf).Decode(k2); err != nil {
t.Fatalf("gob decode failed: %v", err)
}
if !k2.Equal(k) {
t.Errorf("gob round trip of %v produced %v", k, k2)
}
}
func TestNilKeyGob(t *testing.T) {
type S struct {
Key *Key
}
s1 := new(S)
buf := new(bytes.Buffer)
if err := gob.NewEncoder(buf).Encode(s1); err != nil {
t.Fatalf("gob encode failed: %v", err)
}
s2 := new(S)
if err := gob.NewDecoder(buf).Decode(s2); err != nil {
t.Fatalf("gob decode failed: %v", err)
}
if s2.Key != nil {
t.Errorf("gob round trip of nil key produced %v", s2.Key)
}
}
func TestKeyJSON(t *testing.T) {
k := &Key{
kind: "Gopher",
intID: 2,
parent: &Key{
kind: "Mom",
stringID: "narwhal",
appID: "gopher-con",
},
appID: "gopher-con",
}
exp := `"` + k.Encode() + `"`
buf, err := json.Marshal(k)
if err != nil {
t.Fatalf("json.Marshal failed: %v", err)
}
if s := string(buf); s != exp {
t.Errorf("JSON encoding of key %v: got %q, want %q", k, s, exp)
}
k2 := new(Key)
if err := json.Unmarshal(buf, k2); err != nil {
t.Fatalf("json.Unmarshal failed: %v", err)
}
if !k2.Equal(k) {
t.Errorf("JSON round trip of %v produced %v", k, k2)
}
}
func TestNilKeyJSON(t *testing.T) {
type S struct {
Key *Key
}
s1 := new(S)
buf, err := json.Marshal(s1)
if err != nil {
t.Fatalf("json.Marshal failed: %v", err)
}
s2 := new(S)
if err := json.Unmarshal(buf, s2); err != nil {
t.Fatalf("json.Unmarshal failed: %v", err)
}
if s2.Key != nil {
t.Errorf("JSON round trip of nil key produced %v", s2.Key)
}
}
func TestIncompleteKeyWithParent(t *testing.T) {
c := internal.WithAppIDOverride(context.Background(), "s~some-app")
// fadduh is a complete key.
fadduh := NewKey(c, "Person", "", 1, nil)
if fadduh.Incomplete() {
t.Fatalf("fadduh is incomplete")
}
// robert is an incomplete key with fadduh as a parent.
robert := NewIncompleteKey(c, "Person", fadduh)
if !robert.Incomplete() {
t.Fatalf("robert is complete")
}
// Both should be valid keys.
if !fadduh.valid() {
t.Errorf("fadduh is invalid: %v", fadduh)
}
if !robert.valid() {
t.Errorf("robert is invalid: %v", robert)
}
}
func TestNamespace(t *testing.T) {
key := &Key{
kind: "Person",
intID: 1,
appID: "s~some-app",
namespace: "mynamespace",
}
if g, w := key.Namespace(), "mynamespace"; g != w {
t.Errorf("key.Namespace() = %q, want %q", g, w)
}
}
|
