use std::borrow::Cow; use git_object::bstr::ByteSlice;use git_revision::describe;use git_testtools::hex_to_id; #[test]fn exact_match_with_dirty_and_long() {    let mut format = describe::Outcome {        name: Some(Cow::Borrowed(b"main".as_bstr())),        id: hex_to_id("b920bbb055e1efb9080592a409d3975738b6efb3"),        depth: 0,        name_by_oid: Default::default(),        commits_seen: 0,    }    .into_format(7);    assert!(format.is_exact_match());    assert_eq!(format.to_string(), "main");    assert_eq!(format.long(true).to_string(), "main-0-gb920bbb");     format.dirty_suffix = Some("dirty".into());    assert_eq!(format.long(false).to_string(), "main-dirty");    assert_eq!(format.long(true).to_string(), "main-0-gb920bbb-dirty");     format.dirty_suffix = None;    format.depth = 42;    assert!(!format.is_exact_match());    assert_eq!(format.long(false).to_string(), "main-42-gb920bbb");     format.dirty_suffix = Some("dirty".into());    assert_eq!(format.to_string(), "main-42-gb920bbb-dirty");    assert_eq!(format.long(true).to_string(), "main-42-gb920bbb-dirty");} #[test]fn show_abbrev_hash_if_no_name_is_known() {    let mut format = describe::Outcome {        name: None,        id: hex_to_id("b920bbb055e1efb9080592a409d3975738b6efb3"),        depth: 0,        name_by_oid: Default::default(),        commits_seen: 0,    }    .into_format(7);    assert!(        format.is_exact_match(),        "it reports true as it is only dependent on the depth which plays no role here"    );    assert_eq!(format.long(false).to_string(), "b920bbb");    assert_eq!(format.long(true).to_string(), "b920bbb");     format.dirty_suffix = Some("dirty".into());    assert_eq!(format.long(false).to_string(), "b920bbb-dirty");    assert_eq!(format.long(true).to_string(), "b920bbb-dirty");}