diff --git a/crates/git/src/repository/mock.rs b/crates/git/src/repository/mock.rs
index eb252a7..a68bf1a 100644
--- a/crates/git/src/repository/mock.rs
+++ b/crates/git/src/repository/mock.rs
@@ -6,42 +6,43 @@ use std::{
     sync::{Arc, Mutex},
 };
 
-use super::Error;
-use crate as git;
+use crate::{self as git, Repository};
 use crate::{
     repository::{
         open::{OpenRepository, OpenRepositoryLike},
-        Direction, RepositoryLike, Result,
+        Direction, RepositoryLike,
     },
     GitRemote, RepoDetails,
 };
 use git_next_config as config;
 
 #[derive(Debug, Default, Clone)]
-pub struct MockRepository(Arc<Mutex<Reality>>);
+pub struct MockRepository {
+    open_repos: Arc<Mutex<HashMap<config::GitDir, MockOpenRepository>>>,
+}
 impl MockRepository {
     pub fn new() -> Self {
-        Self(Arc::new(Mutex::new(Reality::default())))
+        Self {
+            open_repos: Default::default(),
+        }
     }
-    pub fn can_open_repo(&mut self, gitdir: &config::GitDir) -> Result<MockOpenRepository> {
-        self.0
+
+    pub fn given_can_be_opened(&mut self, gitdir: &config::GitDir) -> MockOpenRepository {
+        let open_repo = MockOpenRepository::new();
+        #[allow(clippy::unwrap_used)]
+        self.open_repos
             .lock()
-            .map_err(|_| Error::MockLock)
-            .map(|mut r| r.can_open_repo(gitdir))
+            .map(|mut or| or.insert(gitdir.clone(), open_repo.clone()))
+            .unwrap();
+        open_repo
     }
-    fn open_repository(
-        &self,
-        gitdir: &config::GitDir,
-    ) -> std::result::Result<MockOpenRepository, crate::repository::Error> {
-        self.0.lock().map_err(|_| Error::MockLock).and_then(|r| {
-            r.open_repository(gitdir)
-                .ok_or_else(|| Error::Open(format!("mock - could not open: {}", gitdir)))
-        })
+
+    pub fn seal(self) -> (Repository, Self) {
+        (Repository::Mock(self.clone()), self)
     }
-    fn clone_repository(
-        &self,
-    ) -> std::result::Result<MockOpenRepository, crate::repository::Error> {
-        todo!()
+    pub fn unseal(self, _repository: Repository) -> Self {
+        // drop repository to allow same mutable access to mock repository
+        self
     }
 }
 impl RepositoryLike for MockRepository {
@@ -49,131 +50,83 @@ impl RepositoryLike for MockRepository {
         &self,
         gitdir: &config::GitDir,
     ) -> std::result::Result<OpenRepository, crate::repository::Error> {
-        Ok(OpenRepository::Mock(self.open_repository(gitdir)?))
+        #[allow(clippy::unwrap_used)]
+        self.open_repos
+            .lock()
+            .map_err(|_| crate::repository::Error::MockLock)
+            .map(|or| or.get(gitdir).cloned())
+            .transpose()
+            .unwrap_or_else(|| Err(crate::repository::Error::InvalidGitDir(gitdir.clone())))
+            .map(|mor| mor.into())
     }
 
     fn git_clone(
         &self,
         _repo_details: &RepoDetails,
     ) -> std::result::Result<OpenRepository, crate::repository::Error> {
-        Ok(OpenRepository::Mock(self.clone_repository()?))
+        todo!("MockRepository::git_clone")
     }
 }
 
-#[derive(Debug, Default)]
-pub struct Reality {
-    openable_repos: HashMap<config::GitDir, MockOpenRepository>,
-}
-impl Reality {
-    pub fn can_open_repo(&mut self, gitdir: &config::GitDir) -> MockOpenRepository {
-        let mor = self.openable_repos.get(gitdir);
-        match mor {
-            Some(mor) => mor.clone(),
-            None => {
-                let mor = MockOpenRepository::default();
-                self.openable_repos.insert(gitdir.clone(), mor.clone());
-                mor
-            }
-        }
-    }
-    pub fn open_repository(&self, gitdir: &config::GitDir) -> Option<MockOpenRepository> {
-        self.openable_repos.get(gitdir).cloned()
-    }
-}
-#[derive(Clone, Debug, Default)]
-pub struct InnerMockOpenRepository {
-    default_push_remote: Option<GitRemote>,
-    default_fetch_remote: Option<GitRemote>,
-}
-
 #[derive(Clone, Debug, Default)]
 pub struct MockOpenRepository {
-    inner: Arc<Mutex<InnerMockOpenRepository>>,
+    default_push_remote: Arc<Mutex<Option<GitRemote>>>,
+    default_fetch_remote: Arc<Mutex<Option<GitRemote>>>,
 }
-impl std::ops::Deref for MockOpenRepository {
-    type Target = Arc<Mutex<InnerMockOpenRepository>>;
-
-    fn deref(&self) -> &Self::Target {
-        &self.inner
+impl MockOpenRepository {
+    pub fn new() -> Self {
+        Self::default()
+    }
+    pub fn given_has_default_remote(&mut self, direction: Direction, remote: Option<GitRemote>) {
+        #[allow(clippy::unwrap_used)]
+        match direction {
+            Direction::Push => self
+                .default_push_remote
+                .lock()
+                .map(|mut o| match remote {
+                    Some(gr) => o.replace(gr),
+                    None => o.take(),
+                })
+                .unwrap(),
+            Direction::Fetch => self
+                .default_fetch_remote
+                .lock()
+                .map(|mut o| match remote {
+                    Some(gr) => o.replace(gr),
+                    None => o.take(),
+                })
+                .unwrap(),
+        };
     }
 }
-
-impl InnerMockOpenRepository {
-    pub fn has_default_remote(&mut self, direction: Direction, git_remote: GitRemote) {
-        match direction {
-            Direction::Push => self.default_push_remote.replace(git_remote),
-            Direction::Fetch => self.default_fetch_remote.replace(git_remote),
-        };
+impl From<MockOpenRepository> for OpenRepository {
+    fn from(value: MockOpenRepository) -> Self {
+        Self::Mock(value)
     }
 }
 
 #[allow(clippy::unwrap_used)]
 impl OpenRepositoryLike for MockOpenRepository {
     fn remote_branches(&self) -> git::push::Result<Vec<config::BranchName>> {
-        self.inner
-            .lock()
-            .map(|inner| inner.remote_branches())
-            .unwrap()
-    }
-    fn find_default_remote(&self, direction: Direction) -> Option<GitRemote> {
-        self.inner
-            .lock()
-            .map(|inner| inner.find_default_remote(direction))
-            .unwrap()
-    }
-
-    fn fetch(&self) -> core::result::Result<(), crate::fetch::Error> {
-        self.inner.lock().map(|inner| inner.fetch()).unwrap()
-    }
-
-    fn push(
-        &self,
-        repo_details: &RepoDetails,
-        branch_name: &git_next_config::BranchName,
-        to_commit: &crate::GitRef,
-        force: &crate::push::Force,
-    ) -> core::result::Result<(), crate::push::Error> {
-        self.inner
-            .lock()
-            .map(|inner| inner.push(repo_details, branch_name, to_commit, force))
-            .unwrap()
-    }
-
-    fn commit_log(
-        &self,
-        branch_name: &git_next_config::BranchName,
-        find_commits: &[git::Commit],
-    ) -> core::result::Result<Vec<crate::Commit>, git::commit::log::Error> {
-        self.inner
-            .lock()
-            .map(|inner| inner.commit_log(branch_name, find_commits))
-            .unwrap()
-    }
-
-    fn read_file(
-        &self,
-        branch_name: &git_next_config::BranchName,
-        file_name: &str,
-    ) -> git::file::Result<String> {
-        self.inner
-            .lock()
-            .map(|inner| inner.read_file(branch_name, file_name))
-            .unwrap()
-    }
-}
-impl OpenRepositoryLike for InnerMockOpenRepository {
-    fn remote_branches(&self) -> git::push::Result<Vec<config::BranchName>> {
-        todo!();
+        todo!("MockOpenRepository::remote_branched")
     }
     fn find_default_remote(&self, direction: Direction) -> Option<GitRemote> {
         match direction {
-            Direction::Push => self.default_push_remote.clone(),
-            Direction::Fetch => self.default_fetch_remote.clone(),
+            Direction::Push => self
+                .default_push_remote
+                .lock()
+                .map(|r| r.clone())
+                .unwrap_or(None),
+            Direction::Fetch => self
+                .default_fetch_remote
+                .lock()
+                .map(|r| r.clone())
+                .unwrap_or(None),
         }
     }
 
     fn fetch(&self) -> core::result::Result<(), crate::fetch::Error> {
-        todo!()
+        todo!("MockOpenRepository::fetch")
     }
 
     fn push(
@@ -183,15 +136,15 @@ impl OpenRepositoryLike for InnerMockOpenRepository {
         _to_commit: &crate::GitRef,
         _force: &crate::push::Force,
     ) -> core::result::Result<(), crate::push::Error> {
-        todo!()
+        todo!("MockOpenRepository::push")
     }
 
     fn commit_log(
         &self,
         _branch_name: &git_next_config::BranchName,
         _find_commits: &[git::Commit],
-    ) -> core::result::Result<Vec<crate::Commit>, crate::commit::log::Error> {
-        todo!()
+    ) -> core::result::Result<Vec<crate::Commit>, git::commit::log::Error> {
+        todo!("MockOpenRepository::commit_log")
     }
 
     fn read_file(
@@ -199,6 +152,6 @@ impl OpenRepositoryLike for InnerMockOpenRepository {
         _branch_name: &git_next_config::BranchName,
         _file_name: &str,
     ) -> git::file::Result<String> {
-        todo!()
+        todo!("MockOpenRepository::read_file")
     }
 }
diff --git a/crates/git/src/repository/mod.rs b/crates/git/src/repository/mod.rs
index 71b1ecd..8d40348 100644
--- a/crates/git/src/repository/mod.rs
+++ b/crates/git/src/repository/mod.rs
@@ -9,10 +9,11 @@ mod tests;
 use git_next_config as config;
 use git_next_config::GitDir;
 
+pub use mock::MockRepository;
 pub use open::OpenRepository;
 use tracing::info;
 
-use crate::{repository::mock::MockRepository, validation::repo::validate_repo};
+use crate::validation::repo::validate_repo;
 
 use super::RepoDetails;
 
@@ -24,9 +25,9 @@ pub enum Repository {
 pub const fn new() -> Repository {
     Repository::Real
 }
-pub fn mock() -> (Repository, MockRepository) {
-    let mock_repository = MockRepository::new();
-    (Repository::Mock(mock_repository.clone()), mock_repository)
+pub fn mock() -> MockRepository {
+    MockRepository::new()
+    // (Repository::Mock(mock_repository.clone()), mock_repository)
 }
 
 /// Opens a repository, cloning if necessary
diff --git a/crates/git/src/repository/tests.rs b/crates/git/src/repository/tests.rs
index 6de807c..337df18 100644
--- a/crates/git/src/repository/tests.rs
+++ b/crates/git/src/repository/tests.rs
@@ -1,14 +1,12 @@
-mod validate {
+use crate as git;
 
+mod validate {
+    use crate::{validation::repo::validate_repo, GitRemote, RepoDetails};
+
+    use super::*;
     use assert2::let_assert;
     use git_next_config::{ForgeDetails, GitDir, Hostname, RepoPath};
 
-    use crate::{
-        repository,
-        validation::{self, repo::validate_repo},
-        GitRemote, RepoDetails,
-    };
-
     #[test]
     fn should_ok_a_valid_repo() {
         let repo_details = RepoDetails::default()
@@ -22,25 +20,17 @@ mod validate {
             RepoPath::new("kemitix/test".to_string()),
         );
 
-        let (repository, mut reality) = repository::mock();
-        let_assert!(
-            Ok(_) = reality.can_open_repo(&gitdir).map(
-                #[allow(clippy::significant_drop_tightening)]
-                |open_repo| {
-                    let_assert!(
-                        Ok(_) = open_repo.lock().map(|mut open_repo| {
-                            open_repo
-                                .has_default_remote(repository::Direction::Push, remote.clone());
-                            open_repo.has_default_remote(repository::Direction::Fetch, remote);
-                        })
-                    );
-                }
-            )
-        );
-
+        let mut mock_repository = git::repository::mock();
+        {
+            let mut mock_open_repo = mock_repository.given_can_be_opened(&gitdir);
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Push, Some(remote.clone()));
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Fetch, Some(remote));
+        }
+        let (repository, _mock_repository) = mock_repository.seal();
         let_assert!(Ok(open_repository) = repository.open(&gitdir));
-
-        let_assert!(Ok(_) = validation::repo::validate_repo(&open_repository, &repo_details));
+        let_assert!(Ok(_) = validate_repo(&open_repository, &repo_details));
     }
 
     #[test]
@@ -56,23 +46,15 @@ mod validate {
             RepoPath::new("kemitix/test".to_string()),
         );
 
-        let (repository, mut reality) = repository::mock();
-        let_assert!(
-            Ok(_) = reality.can_open_repo(&gitdir).map(
-                #[allow(clippy::significant_drop_tightening)]
-                |open_repo| {
-                    let_assert!(
-                        Ok(_) = open_repo.lock().map(|mut open_repo| {
-                            // INFO: open_repo.has_default_remote(Direction::Push, remote.clone());
-                            open_repo.has_default_remote(repository::Direction::Fetch, remote);
-                        })
-                    );
-                }
-            )
-        );
-
+        let mut mock_repository = git::repository::mock();
+        {
+            let mut mock_open_repo = mock_repository.given_can_be_opened(&gitdir);
+            mock_open_repo.given_has_default_remote(git::repository::Direction::Push, None);
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Fetch, Some(remote));
+        }
+        let (repository, _mock_repository) = mock_repository.seal();
         let_assert!(Ok(open_repository) = repository.open(&gitdir));
-
         let_assert!(Err(_) = validate_repo(&open_repository, &repo_details));
     }
     #[test]
@@ -88,23 +70,15 @@ mod validate {
             RepoPath::new("kemitix/test".to_string()),
         );
 
-        let (repository, mut reality) = repository::mock();
-        let_assert!(
-            Ok(_) = reality.can_open_repo(&gitdir).map(
-                #[allow(clippy::significant_drop_tightening)]
-                |open_repo| {
-                    let_assert!(
-                        Ok(_) = open_repo.lock().map(|mut open_repo| {
-                            open_repo.has_default_remote(repository::Direction::Push, remote);
-                            // INFO: open_repo.has_default_remote(Direction::Fetch, remote);
-                        })
-                    );
-                }
-            )
-        );
-
+        let mut mock_repository = git::repository::mock();
+        {
+            let mut mock_open_repo = mock_repository.given_can_be_opened(&gitdir);
+            mock_open_repo.given_has_default_remote(git::repository::Direction::Push, None);
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Fetch, Some(remote));
+        }
+        let (repository, _mock_repository) = mock_repository.seal();
         let_assert!(Ok(open_repository) = repository.open(&gitdir));
-
         let_assert!(Err(_) = validate_repo(&open_repository, &repo_details));
     }
     #[test]
@@ -124,23 +98,16 @@ mod validate {
             RepoPath::new("kemitix/other".to_string()),
         );
 
-        let (repository, mut reality) = repository::mock();
-        let_assert!(
-            Ok(_) = reality.can_open_repo(&gitdir).map(
-                #[allow(clippy::significant_drop_tightening)]
-                |open_repo| {
-                    let_assert!(
-                        Ok(_) = open_repo.lock().map(|mut open_repo| {
-                            open_repo.has_default_remote(repository::Direction::Push, other_remote);
-                            open_repo.has_default_remote(repository::Direction::Fetch, remote);
-                        })
-                    );
-                }
-            )
-        );
-
+        let mut mock_repository = git::repository::mock();
+        {
+            let mut mock_open_repo = mock_repository.given_can_be_opened(&gitdir);
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Push, Some(other_remote));
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Fetch, Some(remote));
+        }
+        let (repository, _mock_repository) = mock_repository.seal();
         let_assert!(Ok(open_repository) = repository.open(&gitdir));
-
         let_assert!(Err(_) = validate_repo(&open_repository, &repo_details));
     }
     #[test]
@@ -160,33 +127,25 @@ mod validate {
             RepoPath::new("kemitix/other".to_string()),
         );
 
-        let (repository, mut reality) = repository::mock();
-        let_assert!(
-            Ok(_) = reality.can_open_repo(&gitdir).map(
-                #[allow(clippy::significant_drop_tightening)]
-                |open_repo| {
-                    let_assert!(
-                        Ok(_) = open_repo.lock().map(|mut open_repo| {
-                            open_repo.has_default_remote(repository::Direction::Push, remote);
-                            open_repo
-                                .has_default_remote(repository::Direction::Fetch, other_remote);
-                        })
-                    );
-                }
-            )
-        );
-
+        let mut mock_repository = git::repository::mock();
+        {
+            let mut mock_open_repo = mock_repository.given_can_be_opened(&gitdir);
+            mock_open_repo.given_has_default_remote(git::repository::Direction::Push, Some(remote));
+            mock_open_repo
+                .given_has_default_remote(git::repository::Direction::Fetch, Some(other_remote));
+        }
+        let (repository, _mock_repository) = mock_repository.seal();
         let_assert!(Ok(open_repository) = repository.open(&gitdir));
-
         let_assert!(Err(_) = validate_repo(&open_repository, &repo_details));
     }
 }
 
 mod git_clone {
+    use super::*;
     use assert2::let_assert;
     use git_next_config::{ForgeDetails, GitDir, Hostname, RepoPath};
 
-    use crate::{repository, GitRemote, RepoDetails};
+    use crate::{GitRemote, RepoDetails};
 
     #[test]
     #[ignore] // slow test ~1.5 seconds
@@ -200,7 +159,9 @@ mod git_clone {
             .with_gitdir(GitDir::new(fs.base()))
             .with_repo_path(RepoPath::new("kemitix/git-next".to_string()));
         let_assert!(Ok(open_repo) = r.git_clone(&repo_details));
-        let_assert!(Some(remote) = open_repo.find_default_remote(repository::Direction::Fetch));
+        let_assert!(
+            Some(remote) = open_repo.find_default_remote(git::repository::Direction::Fetch)
+        );
         assert_eq!(
             remote,
             GitRemote::new(
diff --git a/crates/git/src/tests.rs b/crates/git/src/tests.rs
index 89321ec..1f8e4e0 100644
--- a/crates/git/src/tests.rs
+++ b/crates/git/src/tests.rs
@@ -81,9 +81,7 @@ mod gitremote {
     }
 }
 mod push {
-    use crate::{commit, Commit, GitRef};
-
-    use crate::push::Force;
+    use crate::{commit, push::Force, Commit, GitRef};
 
     #[test]
     fn force_no_should_display() {
@@ -100,6 +98,34 @@ mod push {
             "force-if-from:sha"
         )
     }
+
+    // TODO:
+    // mod reset {
+    //     use assert2::let_assert;
+    //     use crate::tests::given;
+    //     use super::*;
+    //     // #[test]
+    //     // fn should_perform_a_fetch() {
+    //     //     let fs = given::a_filesystem();
+    //     //     let (repository, _mock) = given::an_open_repository(&fs);
+    //     //     let repo_details = given::repo_details(&fs);
+    //     //     let branch_name = &repo_details.branch;
+    //     //     let commit = given::a_commit();
+    //     //     let gitref = GitRef::from(commit);
+    //     //     let_assert!(
+    //     //         Ok(_) = git::push::reset(
+    //     //             &repository,
+    //     //             &repo_details,
+    //     //             branch_name,
+    //     //             &gitref,
+    //     //             &git::push::Force::No
+    //     //         )
+    //     //     );
+    //     //     // let operations = mock.operations();
+    //     //     // assert_eq!(operations, vec![format!("push reset { /}")])
+    //     //     todo!()
+    //     // }
+    // }
 }
 mod repo_details {
 
@@ -174,26 +200,6 @@ mod repo_details {
         );
     }
 }
-// mod branch {
-//     use super::*;
-//     use assert2::let_assert;
-//     #[test]
-//     fn reset_should_fetch_then_push() {
-//         // let repository = given::a_mock_open_repository();
-//         let fs = given::a_filesystem();
-//         let repo_detauls = given::repo_details(&fs);
-//         let repository = given::a_mock_open_repository();
-//         let_assert!(
-//             Ok(result) = git::branch::reset(
-//                 repository,
-//                 &repo_details,
-//                 &repo_details.branch,
-//                 git_ref,
-//                 force
-//             )
-//         );
-//     }
-// }
 mod given {
     #![allow(dead_code)]
     //
@@ -356,4 +362,12 @@ mod given {
             gitdir,
         )
     }
+
+    // pub fn an_open_repository(fs: &kxio::fs::FileSystem) -> (OpenRepository, MockRepository) {
+    //     let (repo, mock) = git::repository::mock();
+    //
+    //     let gitdir = a_git_dir(fs);
+    //     let op = repo.open(&gitdir).unwrap();
+    //     (op, mock)
+    // }
 }