mod single {
    use crate::matching::baseline;

    #[test]
    fn fetch_only() {
        baseline::agrees_with_fetch_specs(Some("refs/heads/main"));
        baseline::agrees_with_fetch_specs(Some("heads/main"));
        baseline::agrees_with_fetch_specs(Some("main"));
        baseline::agrees_with_fetch_specs(Some("v0.0-f1"));
        baseline::agrees_with_fetch_specs(Some("tags/v0.0-f2"));
        baseline::of_objects_always_matches_if_the_server_has_the_object(Some(
            "78b1c1be9421b33a49a7a8176d93eeeafa112da1",
        ));
        baseline::of_objects_always_matches_if_the_server_has_the_object(Some(
            "9d2fab1a0ba3585d0bc50922bfdd04ebb59361df",
        ));
    }

    #[test]
    fn fetch_and_update() {
        baseline::of_objects_with_destinations_are_written_into_given_local_branches(
            Some("78b1c1be9421b33a49a7a8176d93eeeafa112da1:special"),
            ["78b1c1be9421b33a49a7a8176d93eeeafa112da1:refs/heads/special"],
        );
        baseline::of_objects_with_destinations_are_written_into_given_local_branches(
            Some("78b1c1be9421b33a49a7a8176d93eeeafa112da1:1111111111111111111111111111111111111111"),
            ["78b1c1be9421b33a49a7a8176d93eeeafa112da1:refs/heads/1111111111111111111111111111111111111111"],
        );
        baseline::of_objects_with_destinations_are_written_into_given_local_branches(
            Some("9d2fab1a0ba3585d0bc50922bfdd04ebb59361df:tags/special"),
            ["9d2fab1a0ba3585d0bc50922bfdd04ebb59361df:refs/tags/special"],
        );
        baseline::of_objects_with_destinations_are_written_into_given_local_branches(
            Some("9d2fab1a0ba3585d0bc50922bfdd04ebb59361df:refs/tags/special"),
            ["9d2fab1a0ba3585d0bc50922bfdd04ebb59361df:refs/tags/special"],
        );

        baseline::agrees_but_observable_refs_are_vague(Some("f1:origin/f1"), ["refs/heads/f1:refs/heads/origin/f1"]);
        baseline::agrees_but_observable_refs_are_vague(
            Some("f1:remotes/origin/f1"),
            ["refs/heads/f1:refs/remotes/origin/f1"],
        );
        baseline::agrees_but_observable_refs_are_vague(Some("f1:notes/f1"), ["refs/heads/f1:refs/heads/notes/f1"]);
        baseline::agrees_with_fetch_specs(Some("+refs/heads/*:refs/remotes/origin/*"));
        baseline::agrees_with_fetch_specs(Some("refs/heads/f*:refs/remotes/origin/a*"));
        baseline::agrees_with_fetch_specs(Some("refs/heads/*1:refs/remotes/origin/*1"));
    }
}

mod multiple {
    use git_refspec::{
        match_group::validate::Fix,
        parse::{Error, Operation},
    };

    use crate::matching::baseline;

    #[test]
    fn fetch_only() {
        baseline::agrees_with_fetch_specs(["main", "f1"]);
        baseline::agrees_with_fetch_specs(["heads/main", "heads/f1"]);
        baseline::agrees_with_fetch_specs(["refs/heads/main", "refs/heads/f1"]);
        baseline::agrees_with_fetch_specs(["heads/f1", "f2", "refs/heads/f3", "heads/main"]);
        baseline::agrees_with_fetch_specs(["f*:a*", "refs/heads/main"]);
        baseline::agrees_with_fetch_specs([
            "refs/tags/*:refs/remotes/origin/*",
            "refs/heads/*:refs/remotes/origin/*",
        ]);
        baseline::agrees_with_fetch_specs(["refs/tags/*:refs/tags/*"]);
    }

    #[test]
    fn fetch_and_update_and_negations() {
        baseline::invalid_specs_fail_to_parse_where_git_shows_surprising_behaviour(
            ["refs/heads/f*:refs/remotes/origin/a*", "^f1"],
            Error::NegativePartialName,
        );
        baseline::invalid_specs_fail_to_parse_where_git_shows_surprising_behaviour(
            ["heads/f2", "^refs/heads/f*:refs/remotes/origin/a*"],
            Error::NegativeWithDestination,
        );
        baseline::agrees_with_fetch_specs(["refs/heads/f*:refs/remotes/origin/a*", "^refs/heads/f1"]);
        baseline::invalid_specs_fail_to_parse_where_git_shows_surprising_behaviour(
            ["^heads/f2", "refs/heads/f*:refs/remotes/origin/a*"],
            Error::NegativePartialName,
        );
        baseline::agrees_with_fetch_specs(["^refs/heads/f2", "refs/heads/f*:refs/remotes/origin/a*"]);
        baseline::invalid_specs_fail_to_parse_where_git_shows_surprising_behaviour(
            ["^main", "refs/heads/*:refs/remotes/origin/*"],
            Error::NegativePartialName,
        );
        baseline::agrees_with_fetch_specs(["^refs/heads/main", "refs/heads/*:refs/remotes/origin/*"]);
        baseline::agrees_with_fetch_specs(["refs/heads/*:refs/remotes/origin/*", "^refs/heads/main"]);
    }

    #[test]
    fn fetch_and_update_with_empty_lhs() {
        baseline::agrees_but_observable_refs_are_vague([":refs/heads/f1"], ["HEAD:refs/heads/f1"]);
        baseline::agrees_but_observable_refs_are_vague([":f1"], ["HEAD:refs/heads/f1"]);
        baseline::agrees_but_observable_refs_are_vague(["@:f1"], ["HEAD:refs/heads/f1"]);
    }

    #[test]
    fn fetch_and_update_head_to_head_never_updates_actual_head_ref() {
        baseline::agrees_but_observable_refs_are_vague(["@:HEAD"], ["HEAD:refs/heads/HEAD"]);
    }

    #[test]
    fn fetch_and_update_head_with_empty_rhs() {
        baseline::agrees_but_observable_refs_are_vague([":"], ["HEAD:"]);
        baseline::agrees_but_observable_refs_are_vague(["HEAD:"], ["HEAD:"]);
        baseline::agrees_but_observable_refs_are_vague(["@:"], ["HEAD:"]);
    }

    #[test]
    fn fetch_and_update_multiple_destinations() {
        baseline::agrees_with_fetch_specs([
            "refs/heads/*:refs/remotes/origin/*",
            "refs/heads/main:refs/remotes/new-origin/main",
        ]);
        baseline::agrees_with_fetch_specs([
            "refs/heads/*:refs/remotes/origin/*",
            "refs/heads/main:refs/remotes/origin/main", // duplicates are removed immediately.
        ]);
    }

    #[test]
    fn fetch_and_update_with_conflicts() {
        baseline::agrees_with_fetch_specs_validation_error(
            [
                "refs/heads/f1:refs/remotes/origin/conflict",
                "refs/heads/f2:refs/remotes/origin/conflict",
            ],
            "Found 1 issue that prevents the refspec mapping to be used: \n\tConflicting destination \"refs/remotes/origin/conflict\" would be written by refs/heads/f1 (\"refs/heads/f1:refs/remotes/origin/conflict\"), refs/heads/f2 (\"refs/heads/f2:refs/remotes/origin/conflict\")",
        );
        baseline::agrees_with_fetch_specs_validation_error(
            [
                "refs/heads/f1:refs/remotes/origin/conflict2",
                "refs/heads/f2:refs/remotes/origin/conflict2",
                "refs/heads/f1:refs/remotes/origin/conflict",
                "refs/heads/f2:refs/remotes/origin/conflict",
                "refs/heads/f3:refs/remotes/origin/conflict",
            ],
            "Found 2 issues that prevent the refspec mapping to be used: \n\tConflicting destination \"refs/remotes/origin/conflict\" would be written by refs/heads/f1 (\"refs/heads/f1:refs/remotes/origin/conflict\"), refs/heads/f2 (\"refs/heads/f2:refs/remotes/origin/conflict\"), refs/heads/f3 (\"refs/heads/f3:refs/remotes/origin/conflict\")\n\tConflicting destination \"refs/remotes/origin/conflict2\" would be written by refs/heads/f1 (\"refs/heads/f1:refs/remotes/origin/conflict2\"), refs/heads/f2 (\"refs/heads/f2:refs/remotes/origin/conflict2\")",
        );
        baseline::agrees_with_fetch_specs_validation_error(
            [
                "refs/heads/f1:refs/remotes/origin/same",
                "refs/tags/v0.0-f1:refs/remotes/origin/same",
            ],
            "Found 1 issue that prevents the refspec mapping to be used: \n\tConflicting destination \"refs/remotes/origin/same\" would be written by refs/heads/f1 (\"refs/heads/f1:refs/remotes/origin/same\"), refs/tags/v0.0-f1 (\"refs/tags/v0.0-f1:refs/remotes/origin/same\")",
        );
        baseline::agrees_with_fetch_specs_validation_error(
            [
                "+refs/heads/*:refs/remotes/origin/*",
                "refs/heads/f1:refs/remotes/origin/f2",
                "refs/heads/f2:refs/remotes/origin/f1",
            ],
            "Found 2 issues that prevent the refspec mapping to be used: \n\tConflicting destination \"refs/remotes/origin/f1\" would be written by refs/heads/f1 (\"+refs/heads/*:refs/remotes/origin/*\"), refs/heads/f2 (\"refs/heads/f2:refs/remotes/origin/f1\")\n\tConflicting destination \"refs/remotes/origin/f2\" would be written by refs/heads/f2 (\"+refs/heads/*:refs/remotes/origin/*\"), refs/heads/f1 (\"refs/heads/f1:refs/remotes/origin/f2\")",
        );
    }

    #[test]
    fn fetch_and_update_with_fixes() {
        let glob_spec = "refs/heads/f*:foo/f*";
        let glob_spec_ref = git_refspec::parse(glob_spec.into(), Operation::Fetch).unwrap();
        baseline::agrees_and_applies_fixes(
            [glob_spec, "f1:f1"],
            [
                Fix::MappingWithPartialDestinationRemoved {
                    name: "foo/f1".into(),
                    spec: glob_spec_ref.to_owned(),
                },
                Fix::MappingWithPartialDestinationRemoved {
                    name: "foo/f2".into(),
                    spec: glob_spec_ref.to_owned(),
                },
                Fix::MappingWithPartialDestinationRemoved {
                    name: "foo/f3".into(),
                    spec: glob_spec_ref.to_owned(),
                },
            ],
            ["refs/heads/f1:refs/heads/f1"],
        )
    }
}