libvctrl 0.2.0

A robust, content-addressed version control engine for arbitrary data, designed for embedding into applications.
Documentation 
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mod common;
use common::{blob_hash, setup_refs, setup_store};

use libvctrl::{Command, CreateBranch, DeleteBranch, GetBranch, RefStore, SetHead};

#[test]
fn branch_create_get_delete() {
    let mut store = setup_store();
    let mut refs = setup_refs();
    let hash = blob_hash(b"data");

    let create = CreateBranch {
        name: "refs/heads/feature".into(),
        hash,
    };
    create.execute(&mut store, &mut refs).unwrap();

    let get = GetBranch {
        name: "refs/heads/feature".into(),
    };
    assert_eq!(get.execute(&mut store, &mut refs).unwrap(), Some(hash));

    let delete = DeleteBranch {
        name: "refs/heads/feature".into(),
    };
    delete.execute(&mut store, &mut refs).unwrap();

    let get = GetBranch {
        name: "refs/heads/feature".into(),
    };
    assert!(get.execute(&mut store, &mut refs).unwrap().is_none());
}

#[test]
fn branch_invalid_name() {
    let mut store = setup_store();
    let mut refs = setup_refs();
    let hash = blob_hash(b"data");

    let create = CreateBranch {
        name: "invalid_name".into(),
        hash,
    };
    let err = create.execute(&mut store, &mut refs).unwrap_err();
    match err {
        libvctrl::VctrlError::InvalidRef(_) => {}
        _ => panic!("expected InvalidRef"),
    }
}

#[test]
fn set_head_works() {
    let mut store = setup_store();
    let mut refs = setup_refs();
    let hash = blob_hash(b"data");

    let create = CreateBranch {
        name: "refs/heads/main".into(),
        hash,
    };
    create.execute(&mut store, &mut refs).unwrap();

    let set_head = SetHead {
        target: "refs/heads/main".into(),
    };
    set_head.execute(&mut store, &mut refs).unwrap();

    assert_eq!(refs.head().unwrap(), Some(hash));
}