git-next/crates/forge-forgejo/src/tests.rs

//
use git_next_config as config;
use git_next_git as git;

mod forgejo {
    use super::*;

    use assert2::let_assert;

    use crate::ForgeJo;
    use git::ForgeLike as _;

    #[test]
    fn should_return_name() {
        let fs = given::a_filesystem();
        let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
        assert_eq!(forge.name(), "forgejo");
    }

    mod is_message_authorised {

        use super::*;

        #[test]
        fn should_return_true_with_valid_header() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let auth = given::a_webhook_auth();
            let message = given::a_webhook_message(given::Header::Valid(auth.clone()));
            assert!(forge.is_message_authorised(&message, &auth));
        }
        #[test]
        fn should_return_false_with_missing_header() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let auth = given::a_webhook_auth();
            let message = given::a_webhook_message(given::Header::Missing);
            assert!(!forge.is_message_authorised(&message, &auth));
        }
        #[test]
        fn should_return_false_with_non_basic_prefix() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let auth = given::a_webhook_auth();
            let message = given::a_webhook_message(given::Header::NonBasic);
            assert!(!forge.is_message_authorised(&message, &auth));
        }
        #[test]
        fn should_return_false_with_non_ulid_value() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let auth = given::a_webhook_auth();
            let message = given::a_webhook_message(given::Header::NonUlid);
            assert!(!forge.is_message_authorised(&message, &auth));
        }
        #[test]
        fn should_return_false_with_wrong_ulid_value() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let auth = given::a_webhook_auth();
            let message = given::a_webhook_message(given::Header::WrongUlid);
            assert!(!forge.is_message_authorised(&message, &auth));
        }
    }

    mod parse_webhook_body {

        use serde_json::json;

        use super::*;

        #[test]
        fn should_parse_valid_body() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let repo_branches = given::repo_branches();
            let next = repo_branches.next();
            let sha = given::a_name();
            let message = given::a_name();
            let body = config::webhook::message::Body::new(
                json!({"ref":format!("refs/heads/{next}"),"after":sha,"head_commit":{"message":message}})
                    .to_string(),
            );
            let_assert!(Ok(push) = forge.parse_webhook_body(&body));
            assert_eq!(push.sha(), sha);
            assert_eq!(push.message(), message);
            assert_eq!(
                push.branch(&repo_branches),
                Some(config::webhook::push::Branch::Next)
            );
        }

        #[test]
        fn should_error_invalid_body() {
            let fs = given::a_filesystem();
            let forge = given::a_forgejo_forge(&given::repo_details(&fs), given::a_network());
            let body = config::webhook::message::Body::new(r#"{"type":"invalid"}"#.to_string());
            let_assert!(Err(_) = forge.parse_webhook_body(&body));
        }
    }

    mod commit_status {
        use git_next_git::forge::commit::Status;
        use kxio::network::StatusCode;

        use super::*;

        #[tokio::test]
        async fn should_return_pass_for_success() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            given::a_commit_state("success", &mut net, &repo_details, &commit);
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Pass);
        }
        #[tokio::test]
        async fn should_return_pending_for_pending() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            given::a_commit_state("pending", &mut net, &repo_details, &commit);
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Pending);
        }
        #[tokio::test]
        async fn should_return_fail_for_failure() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            given::a_commit_state("failure", &mut net, &repo_details, &commit);
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Fail);
        }
        #[tokio::test]
        async fn should_return_fail_for_error() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            given::a_commit_state("error", &mut net, &repo_details, &commit);
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Fail);
        }
        #[tokio::test]
        async fn should_return_pending_for_blank() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            given::a_commit_state("", &mut net, &repo_details, &commit);
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Pending);
        }
        #[tokio::test]
        async fn should_return_pending_for_no_statuses() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            net.add_get_response(
                &given::a_commit_status_url(&repo_details, &commit),
                StatusCode::OK,
                "",
            );
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Pending);
        }
        #[tokio::test]
        async fn should_return_pending_for_network_error() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let commit = given::a_commit();
            let mut net = given::a_network();
            net.add_get_error(
                &given::a_commit_status_url(&repo_details, &commit),
                "boom today",
            );
            let forge = given::a_forgejo_forge(&repo_details, net);
            assert_eq!(forge.commit_status(&commit).await, Status::Pending);
        }
    }

    mod list_webhooks {
        use git_next_config::WebhookId;
        use git_next_git::ForgeLike as _;

        use crate::tests::forgejo::with;

        use super::*;

        #[tokio::test]
        async fn should_return_a_list_of_matching_webhooks() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let webhook_url = given::any_webhook_url();
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();
            let hook_id_1 = given::a_forgejo_webhook_id();
            let hook_id_2 = given::a_forgejo_webhook_id();
            let hook_id_3 = given::a_forgejo_webhook_id();
            let mut net = given::a_network();

            let mut args = with::WebhookArgs {
                net: &mut net,
                hostname,
                repo_path,
                token,
            };
            // page 1 with three items
            with::get_webhooks_by_page(
                1,
                &[
                    with::ReturnedWebhook::new(hook_id_1, &webhook_url),
                    with::ReturnedWebhook::new(hook_id_2, &webhook_url),
                    with::ReturnedWebhook::new(hook_id_3, &given::any_webhook_url()),
                ],
                &mut args,
            );
            // page 2 with no items - stops pagination
            with::get_webhooks_by_page(2, &[], &mut args);

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Ok(result) = forge.list_webhooks(&webhook_url).await);
            assert_eq!(
                result,
                vec![
                    WebhookId::new(format!("{hook_id_1}")),
                    WebhookId::new(format!("{hook_id_2}"))
                ]
            );
        }

        #[tokio::test]
        async fn should_return_any_network_error() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let webhook_url = given::a_webhook_url(&given::a_forge_alias(), &given::a_repo_alias());
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();
            let mut net = given::a_network();

            net.add_get_error(
                format!("https://{hostname}/api/v1/repos/{repo_path}/hooks?page=1&token={token}")
                    .as_str(),
                "error_message",
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Err(_) = forge.list_webhooks(&webhook_url).await);
        }
    }

    mod unregister_webhook {
        use super::*;
        use git_next_git::ForgeLike;
        use kxio::network::StatusCode;

        #[tokio::test]
        async fn should_delete_webhook() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();
            let webhook_id = given::a_webhook_id();
            let mut net = given::a_network();

            net.add_delete_response(
                format!(
                    "https://{hostname}/api/v1/repos/{repo_path}/hooks/{webhook_id}?token={token}"
                )
                .as_str(),
                StatusCode::OK,
                "",
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Ok(_) = forge.unregister_webhook(&webhook_id).await);
        }

        #[tokio::test]
        async fn should_return_error_on_network_error() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();
            let webhook_id = given::a_webhook_id();
            let mut net = given::a_network();

            net.add_delete_error(
                format!(
                    "https://{hostname}/api/v1/repos/{repo_path}/hooks/{webhook_id}?token={token}"
                )
                .as_str(),
                "error",
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Err(err) = forge.unregister_webhook(&webhook_id).await);
            assert!(
                matches!(err, git::forge::webhook::Error::FailedToUnregister(_)),
                "{err:?}"
            );
        }
    }

    mod register_webhook {
        use crate::tests::forgejo::with;

        use super::*;

        use git_next_config::WebhookId;
        use kxio::network::StatusCode;
        use serde_json::json;

        #[tokio::test]
        async fn should_register_a_new_webhook() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            assert!(
                repo_details.repo_config.is_some(),
                "repo_details needs to have repo_config for this test"
            );
            let webhook_url =
                given::a_webhook_url(repo_details.forge.forge_alias(), &repo_details.repo_alias);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();

            let mut net = given::a_network();
            let mut args = with::WebhookArgs {
                net: &mut net,
                hostname,
                repo_path,
                token,
            };

            // there are no existing matching webhooks
            with::get_webhooks_by_page(1, &[], &mut args);
            // register the webhook will succeed
            let webhook_id = given::a_forgejo_webhook_id();
            net.add_post_response(
                format!("https://{hostname}/api/v1/repos/{repo_path}/hooks?token={token}").as_str(),
                StatusCode::OK,
                json!({"id": webhook_id, "config":{}}).to_string().as_str(),
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Ok(registered_webhook) = forge.register_webhook(&webhook_url).await);
            assert_eq!(
                registered_webhook.id(),
                &WebhookId::new(format!("{webhook_id}"))
            );
        }

        #[tokio::test]
        async fn should_abort_if_repo_config_missing() {
            let fs = given::a_filesystem();
            let mut repo_details = given::repo_details(&fs);
            repo_details.repo_config.take();
            assert!(
                repo_details.repo_config.is_none(),
                "repo_details needs to NOT have repo_config for this test"
            );
            let webhook_url =
                given::a_webhook_url(repo_details.forge.forge_alias(), &repo_details.repo_alias);
            let net = given::a_network();
            let forge = given::a_forgejo_forge(&repo_details, net);
            let_assert!(Err(err) = forge.register_webhook(&webhook_url).await);
            assert!(
                matches!(err, git::forge::webhook::Error::NoRepoConfig),
                "{err:?}"
            );
        }

        #[tokio::test]
        async fn should_unregister_existing_webhooks_before_registering() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            assert!(
                repo_details.repo_config.is_some(),
                "repo_details needs to have repo_config for this test"
            );
            let webhook_url =
                given::a_webhook_url(repo_details.forge.forge_alias(), &repo_details.repo_alias);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();

            let mut net = given::a_network();
            let mut args = with::WebhookArgs {
                net: &mut net,
                hostname,
                repo_path,
                token,
            };
            let hook1 = with::ReturnedWebhook::new(given::a_forgejo_webhook_id(), &webhook_url);
            let hook2 = with::ReturnedWebhook::new(given::a_forgejo_webhook_id(), &webhook_url);
            let hook3 = with::ReturnedWebhook::new(
                given::a_forgejo_webhook_id(),
                &given::any_webhook_url(),
            );
            let hooks = [hook1, hook2, hook3];

            // there are three existing webhooks, two are matching webhooks
            with::get_webhooks_by_page(1, &hooks, &mut args);
            with::get_webhooks_by_page(2, &[], &mut args);
            // should unregister 1 and 2, but not 3
            with::unregister_webhook(&hooks[0], &mut args);
            with::unregister_webhook(&hooks[1], &mut args);
            // register the webhook will succeed
            let webhook_id = given::a_forgejo_webhook_id();
            net.add_post_response(
                format!("https://{hostname}/api/v1/repos/{repo_path}/hooks?token={token}").as_str(),
                StatusCode::OK,
                json!({"id": webhook_id, "config":{}}).to_string().as_str(),
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Ok(registered_webhook) = forge.register_webhook(&webhook_url).await);
            assert_eq!(
                registered_webhook.id(),
                &WebhookId::new(format!("{webhook_id}"))
            );
        }

        #[tokio::test]
        async fn should_return_error_if_empty_network_response() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            assert!(
                repo_details.repo_config.is_some(),
                "repo_details needs to have repo_config for this test"
            );
            let webhook_url =
                given::a_webhook_url(repo_details.forge.forge_alias(), &repo_details.repo_alias);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();

            let mut net = given::a_network();
            let mut args = with::WebhookArgs {
                net: &mut net,
                hostname,
                repo_path,
                token,
            };

            // there are no existing matching webhooks
            with::get_webhooks_by_page(1, &[], &mut args);
            // register the webhook will return empty response
            net.add_post_response(
                format!("https://{hostname}/api/v1/repos/{repo_path}/hooks?token={token}").as_str(),
                StatusCode::OK,
                json!({}).to_string().as_str(), // empty response
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Err(err) = forge.register_webhook(&webhook_url).await);
            assert!(
                matches!(err, git::forge::webhook::Error::FailedToRegister(_)),
                "{err:?}"
            );
        }

        #[tokio::test]
        async fn should_return_error_on_network_error() {
            let fs = given::a_filesystem();
            let repo_details = given::repo_details(&fs);
            assert!(
                repo_details.repo_config.is_some(),
                "repo_details needs to have repo_config for this test"
            );
            let webhook_url =
                given::a_webhook_url(repo_details.forge.forge_alias(), &repo_details.repo_alias);
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();

            let mut net = given::a_network();
            let mut args = with::WebhookArgs {
                net: &mut net,
                hostname,
                repo_path,
                token,
            };

            // there are no existing matching webhooks
            with::get_webhooks_by_page(1, &[], &mut args);
            // register the webhook will return empty response
            net.add_post_error(
                format!("https://{hostname}/api/v1/repos/{repo_path}/hooks?token={token}").as_str(),
                "error",
            );

            let forge = given::a_forgejo_forge(&repo_details, net);

            let_assert!(Err(err) = forge.register_webhook(&webhook_url).await);
            assert!(
                matches!(err, git::forge::webhook::Error::FailedToRegister(_)),
                "{err:?}"
            );
        }
    }
    mod with {
        use serde::Serialize;
        use serde_json::json;

        use git_next_config::{server::WebhookUrl, Hostname, RepoPath};
        use kxio::network::{self, StatusCode};

        pub fn get_webhooks_by_page(
            page: u8,
            response: &[ReturnedWebhook],
            args: &mut WebhookArgs,
        ) {
            let hostname = args.hostname;
            let repo_path = args.repo_path;
            let token = args.token;
            args.net.add_get_response(
                format!(
                    "https://{hostname}/api/v1/repos/{repo_path}/hooks?page={page}&token={token}"
                )
                .as_str(),
                StatusCode::OK,
                json!(response).to_string().as_str(),
            );
        }
        pub fn unregister_webhook(hook1: &ReturnedWebhook, args: &mut WebhookArgs) {
            let webhook_id = hook1.id;
            let hostname = args.hostname;
            let repo_path = args.repo_path;
            let token = args.token;
            args.net.add_delete_response(
                format!(
                    "https://{hostname}/api/v1/repos/{repo_path}/hooks/{webhook_id}?token={token}"
                )
                .as_str(),
                StatusCode::OK,
                "",
            );
        }
        pub struct WebhookArgs<'a> {
            pub net: &'a mut network::MockNetwork,
            pub hostname: &'a Hostname,
            pub repo_path: &'a RepoPath,
            pub token: &'a str,
        }
        #[derive(Debug, Serialize)]
        pub struct ReturnedWebhook {
            pub id: i64,
            pub config: Config,
        }
        impl ReturnedWebhook {
            pub fn new(id: i64, url: &WebhookUrl) -> Self {
                Self {
                    id,
                    config: Config { url: url.clone() },
                }
            }
        }
        #[derive(Debug, Serialize)]
        pub struct Config {
            pub url: WebhookUrl,
        }
    }
    mod given {

        use std::collections::HashMap;

        use kxio::network::{MockNetwork, StatusCode};
        use serde_json::json;

        use super::*;

        pub fn a_commit_state(
            state: impl AsRef<str>,
            net: &mut MockNetwork,
            repo_details: &git::RepoDetails,
            commit: &git::Commit,
        ) {
            let response = json!({"state":state.as_ref()});
            net.add_get_response(
                a_commit_status_url(repo_details, commit).as_str(),
                StatusCode::OK,
                response.to_string().as_str(),
            )
        }

        pub fn a_commit_status_url(
            repo_details: &git::RepoDetails,
            commit: &git::Commit,
        ) -> String {
            let hostname = repo_details.forge.hostname();
            let repo_path = &repo_details.repo_path;
            use secrecy::ExposeSecret;
            let token = repo_details.forge.token().expose_secret();
            format!(
                "https://{hostname}/api/v1/repos/{repo_path}/commits/{commit}/status?token={token}"
            )
        }

        pub enum Header {
            Valid(config::WebhookAuth),
            Missing,
            NonBasic,
            NonUlid,
            WrongUlid,
        }

        pub fn a_webhook_message(header: Header) -> config::WebhookMessage {
            config::WebhookMessage::new(
                given::a_forge_alias(),
                given::a_repo_alias(),
                given::webhook_headers(header),
                given::a_webhook_message_body(),
            )
        }

        pub fn webhook_headers(header: Header) -> HashMap<String, String> {
            let mut headers = HashMap::new();
            match header {
                Header::Valid(auth) => {
                    headers.insert("authorization".to_string(), format!("Basic {auth}"));
                }
                Header::Missing => { /* don't add any header */ }
                Header::NonBasic => {
                    headers.insert("authorization".to_string(), "Non-Basic".to_string());
                }
                Header::NonUlid => {
                    headers.insert("authorization".to_string(), "Basic 123456".to_string());
                }
                Header::WrongUlid => {
                    headers.insert(
                        "authorization".to_string(),
                        format!("Basic {}", config::WebhookAuth::generate()),
                    );
                }
            }
            headers
        }

        pub fn a_forgejo_forge(
            repo_details: &git::RepoDetails,
            net: impl Into<kxio::network::Network>,
        ) -> ForgeJo {
            ForgeJo::new(repo_details.clone(), net.into())
        }

        pub fn a_forgejo_webhook_id() -> i64 {
            use rand::RngCore as _;
            rand::thread_rng().next_u32().into()
        }

        pub fn a_webhook_auth() -> config::WebhookAuth {
            config::WebhookAuth::generate()
        }

        pub fn a_webhook_message_body() -> config::webhook::message::Body {
            config::webhook::message::Body::new(a_name())
        }

        pub fn repo_branches() -> config::RepoBranches {
            config::RepoBranches::new(a_name(), a_name(), a_name())
        }

        pub fn a_forge_alias() -> config::ForgeAlias {
            config::ForgeAlias::new(a_name())
        }

        pub fn a_repo_alias() -> config::RepoAlias {
            config::RepoAlias::new(a_name())
        }

        pub fn a_network() -> kxio::network::MockNetwork {
            kxio::network::MockNetwork::new()
        }

        pub fn a_webhook_url(
            forge_alias: &config::ForgeAlias,
            repo_alias: &config::RepoAlias,
        ) -> git_next_config::server::WebhookUrl {
            config::server::Webhook::new(a_name()).url(forge_alias, repo_alias)
        }

        pub fn any_webhook_url() -> git_next_config::server::WebhookUrl {
            a_webhook_url(&a_forge_alias(), &a_repo_alias())
        }

        pub fn a_name() -> String {
            use rand::Rng;
            use std::iter;

            fn generate(len: usize) -> String {
                const CHARSET: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
                let mut rng = rand::thread_rng();
                let one_char = || CHARSET[rng.gen_range(0..CHARSET.len())] as char;
                iter::repeat_with(one_char).take(len).collect()
            }
            generate(5)
        }

        pub fn a_webhook_id() -> config::WebhookId {
            config::WebhookId::new(a_name())
        }

        pub fn a_branch_name() -> config::BranchName {
            config::BranchName::new(a_name())
        }

        pub fn a_git_dir(fs: &kxio::fs::FileSystem) -> config::GitDir {
            let dir_name = a_name();
            let dir = fs.base().join(dir_name);
            config::GitDir::new(dir)
        }

        pub fn a_forge_config() -> config::ForgeConfig {
            config::ForgeConfig::new(
                config::ForgeType::MockForge,
                a_name(),
                a_name(),
                a_name(),
                Default::default(), // no repos
            )
        }

        pub fn a_server_repo_config() -> config::ServerRepoConfig {
            let main = a_branch_name().unwrap();
            let next = a_branch_name().unwrap();
            let dev = a_branch_name().unwrap();
            config::ServerRepoConfig::new(
                format!("{}/{}", a_name(), a_name()),
                main.clone(),
                None,
                Some(main),
                Some(next),
                Some(dev),
            )
        }

        pub fn a_commit() -> git::Commit {
            git::Commit::new(a_commit_sha(), a_commit_message())
        }

        pub fn a_commit_message() -> git::commit::Message {
            git::commit::Message::new(a_name())
        }

        pub fn a_commit_sha() -> git::commit::Sha {
            git::commit::Sha::new(a_name())
        }

        pub fn a_filesystem() -> kxio::fs::FileSystem {
            kxio::fs::temp().unwrap_or_else(|e| panic!("{}", e))
        }

        pub fn repo_details(fs: &kxio::fs::FileSystem) -> git::RepoDetails {
            let generation = git::Generation::new();
            let repo_alias = a_repo_alias();
            let server_repo_config = a_server_repo_config();
            let forge_alias = a_forge_alias();
            let forge_config = a_forge_config();
            let gitdir = a_git_dir(fs);
            git::RepoDetails::new(
                generation,
                &repo_alias,
                &server_repo_config,
                &forge_alias,
                &forge_config,
                gitdir,
            )
        }
    }
}