lfsx-server 1.18.2

A fast, lightweight, secure Git LFS server
Documentation 
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use super::*;

static OID: std::sync::LazyLock<crate::oid::Oid> = std::sync::LazyLock::new(|| {
    crate::oid::Oid::parse("5891b5b522d5df086d0ff0b110fbd9d21bb4fc7163af34d08286a2e846f6be03")
        .unwrap()
});

fn namespace() -> Namespace {
    Namespace::new("FerrLabs", "Blastlands").unwrap()
}

#[test]
fn a_key_carries_the_number_back_out_of_itself() {
    for size in [0, 1, 4096, u64::MAX] {
        assert_eq!(
            read(&key(&namespace(), &OID, size)),
            Some((OID.clone(), size)),
            "{size}"
        );
    }
}

// Everything that walks a repository's prefix meets both, and reading one of
// these as a marker is a claim on an object whose name ends in a number.
#[test]
fn an_index_key_is_never_mistaken_for_a_marker() {
    assert!(is_one(&key(&namespace(), &OID, 12)));
    assert!(!is_one(&format!("FerrLabs/Blastlands/58/91/{}", *OID)));
}

// A marker read as an index entry would be an object of no size at all, which is
// a repository reported as holding nothing.
#[test]
fn a_marker_carries_no_size() {
    assert_eq!(read(&format!("FerrLabs/Blastlands/58/91/{}", *OID)), None);
}

#[test]
fn nothing_else_is_read_as_a_size() {
    for nonsense in [
        // The oid is not one.
        "FerrLabs/Blastlands/.sizes/short.12",
        // The size is not a number.
        &format!("FerrLabs/Blastlands/.sizes/{}.enormous", *OID),
        // A size that would not fit the counter it feeds.
        &format!("FerrLabs/Blastlands/.sizes/{}.99999999999999999999", *OID),
        "FerrLabs/Blastlands/.sizes/",
    ] {
        assert_eq!(read(nonsense), None, "{nonsense}");
    }
}