rustis 0.22.0

Redis async driver for Rust
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

use crate::{
    Result,
    client::BatchPreparedCommand,
    commands::{FlushingMode, ServerCommands, StringCommands, VAddOptions, VectorSetCommands},
    resp::{Value, cmd},
    tests::{get_cluster_test_client, get_test_client},
};
use serial_test::serial;

#[tokio::test]
#[serial]
async fn pipeline() -> Result<()> {
    let client = get_test_client().await?;
    client.flushdb(FlushingMode::Sync).await?;

    let mut pipeline = client.create_pipeline();
    pipeline.set("key1", "value1").forget();
    pipeline.set("key2", "value2").forget();
    pipeline.get::<()>("key1").queue();
    pipeline.get::<()>("key2").queue();

    let (value1, value2): (String, String) = pipeline.execute().await?;
    assert_eq!("value1", value1);
    assert_eq!("value2", value2);

    Ok(())
}

#[tokio::test]
#[serial]
async fn single_command_forget() -> Result<()> {
    let client = get_test_client().await?;
    client.flushdb(FlushingMode::Sync).await?;

    // A single forgotten command must have its response dropped, so the pipeline
    // resolves to the empty tuple rather than surfacing that command's response.
    let mut pipeline = client.create_pipeline();
    pipeline.set("key1", "value1").forget();
    pipeline.execute::<()>().await?;

    let value: String = client.get("key1").await?;
    assert_eq!("value1", value);

    Ok(())
}

#[tokio::test]
#[serial]
async fn empty_pipeline() -> Result<()> {
    let client = get_test_client().await?;

    // An empty pipeline must resolve cleanly instead of failing with an opaque
    // channel-canceled error.
    let pipeline = client.create_pipeline();
    pipeline.execute::<()>().await?;

    Ok(())
}

#[tokio::test]
#[serial]
async fn error() -> Result<()> {
    let client = get_test_client().await?;
    client.flushdb(FlushingMode::Sync).await?;

    let mut pipeline = client.create_pipeline();
    pipeline.set("key1", "value1").forget();
    pipeline.set("key2", "value2").forget();
    pipeline.queue(cmd("UNKNOWN"));
    pipeline.get::<()>("key1").queue();
    pipeline.get::<()>("key2").queue();

    let result: Result<(Value, String, String)> = pipeline.execute().await;
    assert!(result.is_err());

    Ok(())
}

#[tokio::test]
#[serial]
async fn pipeline_on_cluster() -> Result<()> {
    let client = get_cluster_test_client().await?;
    client.flushall(FlushingMode::Sync).await?;

    let mut pipeline = client.create_pipeline();
    pipeline.set("key1", "value1").forget();
    pipeline.set("key2", "value2").forget();
    pipeline.get::<()>("key1").queue();
    pipeline.get::<()>("key2").queue();

    let (value1, value2): (String, String) = pipeline.execute().await?;
    assert_eq!("value1", value1);
    assert_eq!("value2", value2);

    Ok(())
}

#[tokio::test]
#[serial]
async fn vector_set_commands() -> Result<()> {
    let client = get_test_client().await?;
    client.flushdb(FlushingMode::Sync).await?;

    // Vector-set commands must be queueable like every other command family.
    let mut pipeline = client.create_pipeline();
    pipeline
        .vadd(
            "key",
            None,
            &[0.1, 1.2, 0.5],
            "element",
            VAddOptions::default(),
        )
        .forget();
    pipeline.vcard("key").queue();

    let card: u32 = pipeline.execute().await?;
    assert_eq!(1, card);

    Ok(())
}