assay-lua 0.16.0

General-purpose enhanced Lua runtime. Batteries-included scripting, automation, and web services.
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

mod common;

use std::io::Write;

use common::run_lua;
use wiremock::matchers::{method, path};
use wiremock::{Mock, MockServer, ResponseTemplate};

const PACKAGES_FIXTURE: &str = "\
Package: tailscale
Version: 1.84.3
Architecture: amd64
Depends: foo

Package: tailscale
Version: 1.84.2
Architecture: amd64

Package: foo
Version: 1.0
Architecture: amd64
";

fn gzip(body: &[u8]) -> Vec<u8> {
    let mut e = flate2::write::GzEncoder::new(Vec::new(), flate2::Compression::default());
    e.write_all(body).unwrap();
    e.finish().unwrap()
}

#[tokio::test]
async fn test_apt_packages_gz() {
    let server = MockServer::start().await;
    Mock::given(method("GET"))
        .and(path("/dists/noble/main/binary-amd64/Packages.gz"))
        .respond_with(ResponseTemplate::new(200).set_body_bytes(gzip(PACKAGES_FIXTURE.as_bytes())))
        .mount(&server)
        .await;

    let script = format!(
        r#"
        local apt = require("assay.apt")
        local idx = apt.packages({{
            base_url  = "{}",
            dist      = "noble",
            component = "main",
            arch      = "amd64",
        }})

        local pkg = idx:find("tailscale")
        assert.not_nil(pkg)
        assert.eq(pkg.name, "tailscale")
        assert.eq(pkg.version, "1.84.3")
        assert.eq(pkg.versions[1], "1.84.3")
        assert.eq(pkg.versions[2], "1.84.2")
        assert.eq(pkg.architecture, "amd64")
        assert.eq(pkg.depends, "foo")

        local foo = idx:find("foo")
        assert.eq(foo.version, "1.0")

        local missing = idx:find("nonexistent")
        assert.eq(missing, nil)
        "#,
        server.uri()
    );
    run_lua(&script).await.unwrap();
}

#[tokio::test]
async fn test_apt_packages_plain_fallback() {
    let server = MockServer::start().await;
    // .gz, .xz, .zst all 404 — should fall through to plain Packages.
    Mock::given(method("GET"))
        .and(path("/dists/noble/main/binary-amd64/Packages.gz"))
        .respond_with(ResponseTemplate::new(404))
        .mount(&server)
        .await;
    Mock::given(method("GET"))
        .and(path("/dists/noble/main/binary-amd64/Packages.xz"))
        .respond_with(ResponseTemplate::new(404))
        .mount(&server)
        .await;
    Mock::given(method("GET"))
        .and(path("/dists/noble/main/binary-amd64/Packages.zst"))
        .respond_with(ResponseTemplate::new(404))
        .mount(&server)
        .await;
    Mock::given(method("GET"))
        .and(path("/dists/noble/main/binary-amd64/Packages"))
        .respond_with(ResponseTemplate::new(200).set_body_string(PACKAGES_FIXTURE))
        .mount(&server)
        .await;

    let script = format!(
        r#"
        local apt = require("assay.apt")
        local idx = apt.packages({{
            base_url  = "{}",
            dist      = "noble",
            component = "main",
            arch      = "amd64",
        }})

        assert.eq(idx:find("tailscale").version, "1.84.3")
        assert.eq(idx:find("foo").version, "1.0")
        "#,
        server.uri()
    );
    run_lua(&script).await.unwrap();
}

#[tokio::test]
async fn test_apt_packages_all_404_errors() {
    let server = MockServer::start().await;
    for name in ["Packages.gz", "Packages.xz", "Packages.zst", "Packages"] {
        Mock::given(method("GET"))
            .and(path(format!("/dists/noble/main/binary-amd64/{name}")))
            .respond_with(ResponseTemplate::new(404))
            .mount(&server)
            .await;
    }

    let script = format!(
        r#"
        local apt = require("assay.apt")
        apt.packages({{
            base_url  = "{}",
            dist      = "noble",
            component = "main",
            arch      = "amd64",
        }})
        "#,
        server.uri()
    );
    let err = run_lua(&script).await.unwrap_err();
    assert!(
        err.to_string().contains("apt.packages"),
        "expected apt.packages error, got: {err}"
    );
}