buildkit_frontend/options/
mod.rs

1mod default;
2mod deserializer;
3
4pub use self::default::Options;
5pub use self::deserializer::from_env;
6
7pub mod common;
8
9#[cfg(test)]
10mod tests {
11    use std::path::PathBuf;
12
13    use super::*;
14    use serde::Deserialize;
15
16    #[derive(Debug, Deserialize, PartialEq)]
17    #[serde(untagged)]
18    #[serde(field_identifier, rename_all = "lowercase")]
19    enum Debug {
20        All,
21        LLB,
22        Frontend,
23    }
24
25    #[derive(Debug, Deserialize, PartialEq)]
26    #[serde(rename_all = "kebab-case")]
27    struct CustomOptions {
28        filename: Option<PathBuf>,
29        verbosity: u32,
30
31        #[serde(default)]
32        debug: Vec<Debug>,
33
34        #[serde(default)]
35        cache_imports: Vec<common::CacheOptionsEntry>,
36    }
37
38    #[test]
39    fn custom_options() {
40        let env = vec![
41            (
42                "BUILDKIT_FRONTEND_OPT_0".into(),
43                "filename=/path/to/Dockerfile".into(),
44            ),
45            (
46                "BUILDKIT_FRONTEND_OPT_1".into(),
47                "debug=llb,frontend".into(),
48            ),
49            (
50                "BUILDKIT_FRONTEND_OPT_2".into(),
51                r#"cache-imports=[{"Type":"local","Attrs":{"src":"cache"}}]"#.into(),
52            ),
53            (
54                "BUILDKIT_FRONTEND_OPT_3".into(),
55                "verbosity=12345678".into(),
56            ),
57        ];
58
59        assert_eq!(
60            from_env::<CustomOptions, _>(env.into_iter()).unwrap(),
61            CustomOptions {
62                filename: Some(PathBuf::from("/path/to/Dockerfile")),
63                verbosity: 12_345_678,
64
65                debug: vec![Debug::LLB, Debug::Frontend],
66
67                cache_imports: vec![common::CacheOptionsEntry {
68                    cache_type: common::CacheType::Local,
69                    attrs: vec![("src".into(), "cache".into())].into_iter().collect()
70                }],
71            }
72        );
73    }
74
75    #[test]
76    fn env_variable_names() {
77        let env = vec![
78            (
79                "ANOTHER_OPT_0".into(),
80                "filename=/path/to/Dockerfile".into(),
81            ),
82            (
83                "ANOTHER_OPT_2".into(),
84                r#"cache-imports=[{"Type":"local","Attrs":{"src":"cache"}}]"#.into(),
85            ),
86            ("BUILDKIT_FRONTEND_OPT_1".into(), "debug=all".into()),
87            (
88                "BUILDKIT_FRONTEND_OPT_2".into(),
89                "verbosity=12345678".into(),
90            ),
91        ];
92
93        assert_eq!(
94            from_env::<CustomOptions, _>(env.into_iter()).unwrap(),
95            CustomOptions {
96                filename: None,
97                verbosity: 12_345_678,
98                debug: vec![Debug::All],
99                cache_imports: vec![],
100            }
101        );
102    }
103
104    #[test]
105    fn empty_cache() {
106        let env = vec![
107            ("BUILDKIT_FRONTEND_OPT_1".into(), "cache-imports=".into()),
108            (
109                "BUILDKIT_FRONTEND_OPT_2".into(),
110                "verbosity=12345678".into(),
111            ),
112        ];
113
114        assert_eq!(
115            from_env::<CustomOptions, _>(env.into_iter()).unwrap(),
116            CustomOptions {
117                filename: None,
118                verbosity: 12_345_678,
119                debug: vec![],
120                cache_imports: vec![],
121            }
122        );
123    }
124}
buildkit_frontend/options/mod.rs

buildkit_frontend/options/
mod.rs
