envtest 0.1.2

A lightweight, type‑safe wrapper around the Kubernetes `envtest` Go package that lets you spin up a temporary control plane from 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

use std::fs;
use std::path::Path;
use std::time::SystemTime;

macro_rules! watch_files {
    ($($p:literal),* $(,)?) => {
        $(println!("cargo:rerun-if-changed={}", $p);)*
    };
}

fn modified(path: &Path) -> Option<SystemTime> {
    fs::metadata(path).ok()?.modified().ok()
}

fn should_regen(src: &Path, dst: &Path) -> Option<bool> {
    Some(modified(src)? > modified(dst)?)
}

// Allow docs.rs to build without golang or r2g dependency
#[cfg(not(feature = "_docsrs"))]
fn build() {
    // Ensure build script reruns when Rust API definitions change.
    watch_files!("src", "go/go.sum", "go/go.mod", "go/impl.go",);

    let mut builder = rust2go::Builder::new()
        .with_go_src("go")
        // Use dynamic linking, as we don't expect to run envtest outside of local tests use case
        .with_link(rust2go::LinkType::Dynamic);

    let src = Path::new("./src/lib.rs");
    let dst = Path::new("./go/gen.go");
    if let Some(true) | None = should_regen(src, dst) {
        builder = builder.with_regen_arg(rust2go::RegenArgs {
            src: src.display().to_string(),
            dst: dst.display().to_string(),
            ..Default::default()
        });
    }

    builder.build();
}

fn main() {
    #[cfg(not(feature = "_docsrs"))]
    build();
}