Function test_parse_spec_dir

crates/lib/src/boundimage.rs:249–309

()

    #[test]
    fn test_parse_spec_dir() -> Result<()> {
        const CONTAINER_IMAGE_DIR: &str = "usr/share/containers/systemd";

        // Empty dir should return an empty vector
        let td = &cap_std_ext::cap_tempfile::TempDir::new(cap_std::ambient_authority())?;
        let images = query_bound_images(td).unwrap();
        assert_eq!(images.len(), 0);

        td.create_dir_all(BOUND_IMAGE_DIR).unwrap();
        td.create_dir_all(CONTAINER_IMAGE_DIR).unwrap();
        let images = query_bound_images(td).unwrap();
        assert_eq!(images.len(), 0);

        // Should return BoundImages
        td.write(
            format!("{CONTAINER_IMAGE_DIR}/foo.image"),
            indoc::indoc! { r#"
            [Image]
            Image=quay.io/foo/foo:latest
        "# },
        )
        .unwrap();
        td.symlink_contents(
            format!("/{CONTAINER_IMAGE_DIR}/foo.image"),
            format!("{BOUND_IMAGE_DIR}/foo.image"),
        )
        .unwrap();

        td.write(
            format!("{CONTAINER_IMAGE_DIR}/bar.image"),
            indoc::indoc! { r#"
            [Image]
            Image=quay.io/bar/bar:latest
            "# },
        )
        .unwrap();
        td.symlink_contents(
            format!("/{CONTAINER_IMAGE_DIR}/bar.image"),
            format!("{BOUND_IMAGE_DIR}/bar.image"),
        )
        .unwrap();

        let mut images = query_bound_images(td).unwrap();
        images.sort_by(|a, b| a.image.as_str().cmp(&b.image.as_str()));
        assert_eq!(images.len(), 2);
        assert_eq!(images[0].image, "quay.io/bar/bar:latest");
        assert_eq!(images[1].image, "quay.io/foo/foo:latest");

        // Invalid symlink should return an error
        td.symlink("./blah", format!("{BOUND_IMAGE_DIR}/blah.image"))
            .unwrap();
        assert!(query_bound_images(td).is_err());

        // Invalid image contents should return an error
        td.write("error.image", "[Image]\n").unwrap();
        td.symlink_contents("/error.image", format!("{BOUND_IMAGE_DIR}/error.image"))
            .unwrap();
        assert!(query_bound_images(td).is_err());