use git_object::{bstr::ByteSlice, commit::ref_iter::Token, CommitRefIter}; use crate::{    hex_to_id,    immutable::{        commit::{LONG_MESSAGE, MERGE_TAG, SIGNATURE},        fixture_bytes, linus_signature, signature,    },}; #[test]fn newline_right_after_signature_multiline_header() -> crate::Result {    let data = fixture_bytes("commit", "signed-whitespace.txt");    let tokens = CommitRefIter::from_bytes(&data).collect::<Result<Vec<_>, _>>()?;    assert_eq!(tokens.len(), 7, "mainly a parsing exercise");    match tokens.last().expect("there are tokens") {        Token::Message(msg) => {            assert!(msg.starts_with(b"Rollup"));        }        _ => unreachable!(),    }    Ok(())} #[test]fn signed_with_encoding() -> crate::Result {    assert_eq!(        CommitRefIter::from_bytes(&fixture_bytes("commit", "signed-with-encoding.txt"))            .collect::<Result<Vec<_>, _>>()?,        vec![            Token::Tree {                id: hex_to_id("1973afa74d87b2bb73fa884aaaa8752aec43ea88")            },            Token::Parent {                id: hex_to_id("79c51cc86923e2b8ca0ee5c4eb75e48027133f9a")            },            Token::Author {                signature: signature(1592448995)            },            Token::Committer {                signature: signature(1592449083)            },            Token::Encoding(b"ISO-8859-1".as_bstr()),            Token::ExtraHeader((b"gpgsig".as_bstr(), SIGNATURE.as_bytes().as_bstr().into())),            Token::Message(b"encoding & sig".as_bstr()),        ]    );    Ok(())} #[test]fn whitespace() -> crate::Result {    assert_eq!(        CommitRefIter::from_bytes(&fixture_bytes("commit", "whitespace.txt")).collect::<Result<Vec<_>, _>>()?,        vec![            Token::Tree {                id: hex_to_id("9bed6275068a0575243ba8409253e61af81ab2ff")            },            Token::Parent {                id: hex_to_id("26b4df046d1776c123ac69d918f5aec247b58cc6")            },            Token::Author {                signature: signature(1592448450)            },            Token::Committer {                signature: signature(1592448450)            },            Token::Message(b" nl".as_bstr())        ]    );    Ok(())} #[test]fn unsigned() -> crate::Result {    assert_eq!(        CommitRefIter::from_bytes(&fixture_bytes("commit", "unsigned.txt")).collect::<Result<Vec<_>, _>>()?,        vec![            Token::Tree {                id: hex_to_id("1b2dfb4ac5e42080b682fc676e9738c94ce6d54d")            },            Token::Author {                signature: signature(1592437401)            },            Token::Committer {                signature: signature(1592437401)            },            Token::Message(b"without sig".as_bstr())        ]    );    Ok(())} #[test]fn signed_singleline() -> crate::Result {    assert_eq!(        CommitRefIter::from_bytes(&fixture_bytes("commit", "signed-singleline.txt")).collect::<Result<Vec<_>, _>>()?,        vec![            Token::Tree {                id: hex_to_id("00fc39317701176e326974ce44f5bd545a32ec0b")            },            Token::Parent {                id: hex_to_id("09d8d3a12e161a7f6afb522dbe8900a9c09bce06")            },            Token::Author {                signature: signature(1592391367)            },            Token::Committer {                signature: signature(1592391367)            },            Token::ExtraHeader((b"gpgsig".as_bstr(), b"magic:signature".as_bstr().into())),            Token::Message(b"update tasks\n".as_bstr()),        ]    );    Ok(())} #[test]fn error_handling() -> crate::Result {    let data = fixture_bytes("commit", "unsigned.txt");    let iter = CommitRefIter::from_bytes(&data[..data.len() / 2]);    let tokens = iter.collect::<Vec<_>>();    assert!(        tokens.last().expect("at least the errored token").is_err(),        "errors are propagated and none is returned from that point on"    );    Ok(())} #[test]fn mergetag() -> crate::Result {    assert_eq!(        CommitRefIter::from_bytes(&fixture_bytes("commit", "mergetag.txt")).collect::<Result<Vec<_>, _>>()?,        vec![            Token::Tree {                id: hex_to_id("1c61918031bf2c7fab9e17dde3c52a6a9884fcb5")            },            Token::Parent {                id: hex_to_id("44ebe016df3aad96e3be8f95ec52397728dd7701")            },            Token::Parent {                id: hex_to_id("8d485da0ddee79d0e6713405694253d401e41b93")            },            Token::Author {                signature: linus_signature(1591996221)            },            Token::Committer {                signature: linus_signature(1591996221)            },            Token::ExtraHeader((b"mergetag".as_bstr(), MERGE_TAG.as_bytes().as_bstr().into())),            Token::Message(LONG_MESSAGE.as_bytes().as_bstr()),        ]    );    Ok(())} mod method {    use git_object::CommitRefIter;     use crate::{        hex_to_id,        immutable::{fixture_bytes, signature},    };     #[test]    fn tree_id() -> crate::Result {        assert_eq!(            CommitRefIter::from_bytes(&fixture_bytes("commit", "unsigned.txt")).tree_id(),            Some(hex_to_id("1b2dfb4ac5e42080b682fc676e9738c94ce6d54d"))        );        assert_eq!(            CommitRefIter::from_bytes(&fixture_bytes("commit", "unsigned.txt"))                .signatures()                .collect::<Vec<_>>(),            vec![signature(1592437401), signature(1592437401)]        );        Ok(())    }     #[test]    fn signatures() -> crate::Result {        assert_eq!(            CommitRefIter::from_bytes(&fixture_bytes("commit", "unsigned.txt"))                .signatures()                .collect::<Vec<_>>(),            vec![signature(1592437401), signature(1592437401)]        );        Ok(())    }}