kevy-embedded 1.15.1

Embedded mode for kevy — in-process Redis-compatible KV without the server/runtime.
Documentation 
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

//! Tests for the 12 more Redis ops in `ops_more.rs`
//! (kevy-embedded 1.11.0).

use crate::Config;
use crate::store::Store;

fn s() -> Store {
    Store::open(Config::default().with_ttl_reaper_manual()).unwrap()
}

// ---- set extras ---------------------------------------------------------

#[test]
fn sismember_hit_and_miss() {
    let s = s();
    s.sadd(b"s", &[b"x", b"y"]).unwrap();
    assert!(s.sismember(b"s", b"x").unwrap());
    assert!(!s.sismember(b"s", b"z").unwrap());
    assert!(!s.sismember(b"absent", b"x").unwrap());
}

#[test]
fn spop_removes_and_returns() {
    let s = s();
    s.sadd(b"s", &[b"a", b"b", b"c"]).unwrap();
    let popped = s.spop(b"s", 2).unwrap();
    assert_eq!(popped.len(), 2);
    assert_eq!(s.scard(b"s").unwrap(), 1);
}

#[test]
fn srandmember_returns_without_remove() {
    let s = s();
    s.sadd(b"s", &[b"a", b"b", b"c"]).unwrap();
    let rand = s.srandmember(b"s", 2).unwrap();
    assert_eq!(rand.len(), 2);
    assert_eq!(s.scard(b"s").unwrap(), 3);
}

// ---- sorted set extras --------------------------------------------------

#[test]
fn zrank_ascending() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c")]).unwrap();
    assert_eq!(s.zrank(b"z", b"a").unwrap(), Some(0));
    assert_eq!(s.zrank(b"z", b"c").unwrap(), Some(2));
    assert_eq!(s.zrank(b"z", b"missing").unwrap(), None);
}

#[test]
fn zcount_inclusive_range() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c"), (4.0, b"d")]).unwrap();
    assert_eq!(s.zcount(b"z", 2.0, 3.0).unwrap(), 2);
    assert_eq!(s.zcount(b"z", f64::NEG_INFINITY, f64::INFINITY).unwrap(), 4);
}

#[test]
fn zpopmin_removes_lowest() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c")]).unwrap();
    let popped = s.zpopmin(b"z", 2).unwrap();
    assert_eq!(popped, vec![(b"a".to_vec(), 1.0), (b"b".to_vec(), 2.0)]);
    assert_eq!(s.zcard(b"z").unwrap(), 1);
}

#[test]
fn zremrangebyrank_removes_top_k() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c"), (4.0, b"d")]).unwrap();
    let removed = s.zremrangebyrank(b"z", 0, 1).unwrap();
    assert_eq!(removed, 2);
    assert_eq!(s.zcard(b"z").unwrap(), 2);
}

#[test]
fn zremrangebyscore_removes_band() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c")]).unwrap();
    let removed = s.zremrangebyscore(b"z", 2.0, 3.0).unwrap();
    assert_eq!(removed, 2);
    assert_eq!(s.zcard(b"z").unwrap(), 1);
}

#[test]
fn zrev_range_by_score_descending() {
    let s = s();
    s.zadd(b"z", &[(1.0, b"a"), (2.0, b"b"), (3.0, b"c"), (4.0, b"d")]).unwrap();
    let got = s.zrev_range_by_score(b"z", 3.0, 2.0).unwrap();
    assert_eq!(got, vec![(b"c".to_vec(), 3.0), (b"b".to_vec(), 2.0)]);
}

// ---- list extras --------------------------------------------------------

#[test]
fn lset_at_position() {
    let s = s();
    s.rpush(b"l", &[b"a", b"b", b"c"]).unwrap();
    s.lset(b"l", 1, b"B").unwrap();
    assert_eq!(s.lindex(b"l", 1).unwrap(), Some(b"B".to_vec()));
}

#[test]
fn lset_negative_index_from_tail() {
    let s = s();
    s.rpush(b"l", &[b"a", b"b", b"c"]).unwrap();
    s.lset(b"l", -1, b"C").unwrap();
    assert_eq!(s.lindex(b"l", -1).unwrap(), Some(b"C".to_vec()));
}

#[test]
fn ltrim_keeps_inclusive_range() {
    let s = s();
    s.rpush(b"l", &[b"a", b"b", b"c", b"d", b"e"]).unwrap();
    s.ltrim(b"l", 1, 3).unwrap();
    assert_eq!(
        s.lrange(b"l", 0, -1).unwrap(),
        vec![b"b".to_vec(), b"c".to_vec(), b"d".to_vec()]
    );
}

// ---- keyspace extras ----------------------------------------------------

#[test]
fn rename_moves_value() {
    let s = s();
    s.set(b"src", b"val").unwrap();
    assert!(s.rename(b"src", b"dst").unwrap());
    assert_eq!(s.get(b"src").unwrap(), None);
    assert_eq!(s.get(b"dst").unwrap(), Some(b"val".to_vec()));
}

#[test]
fn rename_no_such_src_errors() {
    let s = s();
    assert!(s.rename(b"absent", b"dst").is_err());
}

#[test]
fn renamenx_vetoes_when_dst_exists() {
    let s = s();
    s.set(b"src", b"v1").unwrap();
    s.set(b"dst", b"existing").unwrap();
    assert!(!s.renamenx(b"src", b"dst").unwrap());
    assert_eq!(s.get(b"dst").unwrap(), Some(b"existing".to_vec()));
}

#[test]
fn renamenx_succeeds_when_dst_absent() {
    let s = s();
    s.set(b"src", b"val").unwrap();
    assert!(s.renamenx(b"src", b"dst").unwrap());
    assert_eq!(s.get(b"dst").unwrap(), Some(b"val".to_vec()));
}