syncable_cli/analyzer/hadolint/rules/
dl3053.rs

1//! DL3053: Label `org.opencontainers.image.title` is empty
2//!
3//! The title label should not be empty.
4
5use crate::analyzer::hadolint::parser::instruction::Instruction;
6use crate::analyzer::hadolint::rules::{SimpleRule, simple_rule};
7use crate::analyzer::hadolint::shell::ParsedShell;
8use crate::analyzer::hadolint::types::Severity;
9
10pub fn rule() -> SimpleRule<impl Fn(&Instruction, Option<&ParsedShell>) -> bool + Send + Sync> {
11    simple_rule(
12        "DL3053",
13        Severity::Warning,
14        "Label `org.opencontainers.image.title` is empty.",
15        |instr, _shell| match instr {
16            Instruction::Label(pairs) => {
17                for (key, value) in pairs {
18                    if key == "org.opencontainers.image.title" && value.trim().is_empty() {
19                        return false;
20                    }
21                }
22                true
23            }
24            _ => true,
25        },
26    )
27}
28
29#[cfg(test)]
30mod tests {
31    use super::*;
32    use crate::analyzer::hadolint::config::HadolintConfig;
33    use crate::analyzer::hadolint::lint::{LintResult, lint};
34
35    fn lint_dockerfile(content: &str) -> LintResult {
36        lint(content, &HadolintConfig::default())
37    }
38
39    #[test]
40    fn test_valid_title() {
41        let result =
42            lint_dockerfile("FROM ubuntu:20.04\nLABEL org.opencontainers.image.title=\"My App\"");
43        assert!(!result.failures.iter().any(|f| f.code.as_str() == "DL3053"));
44    }
45
46    #[test]
47    fn test_empty_title() {
48        let result =
49            lint_dockerfile("FROM ubuntu:20.04\nLABEL org.opencontainers.image.title=\"\"");
50        assert!(result.failures.iter().any(|f| f.code.as_str() == "DL3053"));
51    }
52}