-
Notifications
You must be signed in to change notification settings - Fork 0
/
db_test.go
51 lines (48 loc) · 1.43 KB
/
db_test.go
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
// Copyright 2015 Davy Wybiral <davy.wybiral@gmail.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package staydb
import (
"testing"
)
func TestDatabase(t *testing.T) {
db := NewDatabase()
db.Add("user:0", "likes:a")
db.Add("user:0", "likes:b")
db.Add("user:0", "likes:c")
db.Add("user:1", "likes:a")
db.Add("user:1", "likes:b")
db.Add("user:1", "likes:d")
db.Add("user:2", "likes:a")
db.Add("user:2", "likes:d")
db.Add("user:3", "likes:d")
// q1 = a & b
q1 := And(db.Query("likes:a"), db.Query("likes:b"))
// q2 = not(a) & d
q2 := And(Not(db.Query("likes:a")), db.Query("likes:d"))
// query = q1 | q2
query := Or(q1, q2)
keys := db.GetKeys(query)
x := <-keys
if x != "user:0" {
t.Errorf("First result should be \"user:0\", got %s", x)
}
x = <-keys
if x != "user:1" {
t.Errorf("Second result should be \"user:1\", got %s", x)
}
x = <-keys
if x != "user:3" {
t.Errorf("Third result should be \"user:3\", got %s", x)
}
}