WIP: tests: add more tests to git crate

crates/config/src/branch_name.rs

@@ -1,5 +1,7 @@
+use derive_more::Display;
+
 /// The name of a Branch
-#[derive(Clone, Default, Debug, Hash, PartialEq, Eq, derive_more::Display)]
+#[derive(Clone, Default, Debug, Hash, PartialEq, Eq, Display, PartialOrd, Ord)]
 pub struct BranchName(String);
 impl BranchName {
     pub fn new(str: impl Into<String>) -> Self {

crates/git/Cargo.toml

@@ -55,6 +55,7 @@ actix = { workspace = true }
 # Testing
 assert2 = { workspace = true }
 rand = { workspace = true }
+pretty_assertions = { workspace = true }
 
 [lints.clippy]
 nursery = { level = "warn", priority = -1 }

crates/git/src/file.rs

@@ -37,7 +37,7 @@ pub enum Error {
     NoTreeInCommit(String),
 
     #[error("no .git-next.toml file found in repo")]
-    NoGitNextToml,
+    FileNotFound,
 
     #[error("find reference: {0}")]
     FindReference(String),

crates/git/src/repo_details.rs

@@ -7,9 +7,7 @@ use super::{Generation, GitRemote};
 
 /// The derived information about a repo, used to interact with it
 #[derive(Clone, Default, Debug, derive_more::Display, derive_with::With)]
-#[display("gen-{}:{}:{}/{}:{}@{}/{}@{}", generation, forge.forge_type(),
-    forge.forge_alias(), repo_alias, forge.user(), forge.hostname(), repo_path,
-    branch)]
+#[display("gen-{}:{}:{}/{}", generation, forge.forge_type(), forge.forge_alias(), repo_alias )]
 pub struct RepoDetails {
     pub generation: Generation,
     pub repo_alias: RepoAlias,

crates/git/src/repository/mock.rs

@@ -44,6 +44,12 @@ impl MockRepository {
         // drop repository to allow same mutable access to mock repository
         self
     }
+    pub fn get(&self, gitdir: &config::GitDir) -> Option<MockOpenRepository> {
+        self.open_repos
+            .lock()
+            .map(|or| or.get(gitdir).cloned())
+            .unwrap_or(None)
+    }
 }
 impl RepositoryLike for MockRepository {
     fn open(
@@ -72,6 +78,7 @@ impl RepositoryLike for MockRepository {
 pub struct MockOpenRepository {
     default_push_remote: Arc<Mutex<Option<GitRemote>>>,
     default_fetch_remote: Arc<Mutex<Option<GitRemote>>>,
+    operations: Arc<Mutex<Vec<String>>>,
 }
 impl MockOpenRepository {
     pub fn new() -> Self {
@@ -98,6 +105,13 @@ impl MockOpenRepository {
                 .unwrap(),
         };
     }
+
+    pub fn operations(&self) -> Vec<String> {
+        self.operations
+            .lock()
+            .map(|operations| operations.clone())
+            .unwrap_or_default()
+    }
 }
 impl From<MockOpenRepository> for OpenRepository {
     fn from(value: MockOpenRepository) -> Self {
@@ -126,17 +140,31 @@ impl OpenRepositoryLike for MockOpenRepository {
     }
 
     fn fetch(&self) -> core::result::Result<(), crate::fetch::Error> {
-        todo!("MockOpenRepository::fetch")
+        self.operations
+            .lock()
+            .map_err(|_| crate::fetch::Error::Lock)
+            .map(|mut operations| operations.push("fetch".to_string()))?;
+        Ok(())
     }
 
     fn push(
         &self,
-        _repo_details: &RepoDetails,
-        _branch_name: &git_next_config::BranchName,
-        _to_commit: &crate::GitRef,
-        _force: &crate::push::Force,
+        repo_details: &RepoDetails,
+        branch_name: &git_next_config::BranchName,
+        to_commit: &crate::GitRef,
+        force: &crate::push::Force,
     ) -> core::result::Result<(), crate::push::Error> {
-        todo!("MockOpenRepository::push")
+        let forge_alias = repo_details.forge.forge_alias();
+        let repo_alias = &repo_details.repo_alias;
+        self.operations
+            .lock()
+            .map_err(|_| crate::fetch::Error::Lock)
+            .map(|mut operations| {
+                operations.push(format!(
+                    "push fa:{forge_alias} ra:{repo_alias} bn:{branch_name} tc:{to_commit} f:{force}"
+                ))
+            })?;
+        Ok(())
     }
 
     fn commit_log(

crates/git/src/repository/mod.rs

@@ -9,6 +9,7 @@ mod tests;
 use git_next_config as config;
 use git_next_config::GitDir;
 
+pub use mock::MockOpenRepository;
 pub use mock::MockRepository;
 pub use open::OpenRepository;
 use tracing::info;
@@ -32,6 +33,7 @@ pub fn mock() -> MockRepository {
 
 /// Opens a repository, cloning if necessary
 #[tracing::instrument(skip_all)]
+#[cfg(not(tarpaulin_include))] // requires network access to either clone new and/or fetch.
 pub fn open(
     repository: &Repository,
     repo_details: &RepoDetails,

crates/git/src/repository/open/oreal.rs

@@ -45,6 +45,7 @@ impl super::OpenRepositoryLike for RealOpenRepository {
     }
 
     #[tracing::instrument(skip_all)]
+    #[cfg(not(tarpaulin_include))] // would require writing to external service
     fn fetch(&self) -> Result<(), git::fetch::Error> {
         let Ok(repository) = self.0.lock() else {
             #[cfg(not(tarpaulin_include))] // don't test mutex lock failure
@@ -171,8 +172,8 @@ impl super::OpenRepositoryLike for RealOpenRepository {
                 let commit = obj.into_commit();
                 let tree = commit.tree()?;
                 let ent = tree
-                    .find_entry(".git-next.toml")
-                    .ok_or(git::file::Error::NoGitNextToml)?;
+                    .find_entry(file_name)
+                    .ok_or(git::file::Error::FileNotFound)?;
                 let fobj = ent.object()?;
                 let blob = fobj.into_blob().take_data();
                 let content = String::from_utf8(blob)?;

crates/git/src/repository/real.rs

@@ -16,6 +16,7 @@ impl RepositoryLike for RealRepository {
     }
 
     #[tracing::instrument(skip_all)]
+    #[cfg(not(tarpaulin_include))] // requires external server
     fn git_clone(&self, repo_details: &RepoDetails) -> Result<OpenRepository, Error> {
         tracing::info!("creating");
         use secrecy::ExposeSecret;

crates/git/src/repository/tests.rs

@@ -1,4 +1,5 @@
 use crate as git;
+use git_next_config as config;
 
 mod validate {
     use crate::{validation::repo::validate_repo, GitRemote, RepoDetails};
@@ -171,3 +172,108 @@ mod git_clone {
         );
     }
 }
+mod open {
+
+    use assert2::let_assert;
+    use git_next_config::{BranchName, GitDir};
+
+    use crate::{
+        repository::{real::RealRepository, RepositoryLike as _},
+        tests::given,
+    };
+
+    use super::*;
+
+    mod remote_branches {
+        use super::*;
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_return_remote_branches() {
+            let open_repo = given_open_real_repository();
+            let_assert!(Ok(mut remote_branches) = open_repo.remote_branches());
+            remote_branches.sort();
+            let mut expected = [
+                BranchName::new("main"),
+                BranchName::new("next"),
+                BranchName::new("dev"),
+            ];
+            expected.sort();
+            assert_eq!(remote_branches, expected);
+        }
+    }
+    mod commit_log {
+        use super::*;
+
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_return_single_item_in_commit_log_when_not_searching() {
+            let open_repo = given_open_real_repository();
+            let_assert!(Ok(result) = open_repo.commit_log(&config::BranchName::new("dev"), &[]));
+            assert_eq!(result.len(), 1)
+        }
+
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_return_capacity_50_in_commit_log_when_searching_for_garbage() {
+            let open_repo = given_open_real_repository();
+            let_assert!(
+                Ok(result) =
+                    open_repo.commit_log(&config::BranchName::new("dev"), &[given::a_commit()])
+            );
+            assert_eq!(result.len(), 50)
+        }
+
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_return_25_in_commit_log_when_searching_for_25th_item() {
+            let open_repo = given_open_real_repository();
+            // search to garbage to get full page of 50 items
+            let_assert!(
+                Ok(long_list) =
+                    open_repo.commit_log(&config::BranchName::new("dev"), &[given::a_commit()])
+            );
+            // pick the 25th item
+            let search = &long_list[24]; // zero-based
+                                         // search for the 25th item
+            let_assert!(
+                Ok(result) =
+                    open_repo.commit_log(&config::BranchName::new("dev"), &[search.clone()])
+            );
+            // returns
+            assert_eq!(result.len(), 25)
+        }
+    }
+    mod read_file {
+        use super::*;
+
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_return_file() {
+            let open_repo = given_open_real_repository();
+            let_assert!(
+                Ok(result) =
+                    open_repo.read_file(&config::BranchName::new("dev"), "server-default.toml")
+            );
+            let expected = include_str!("../../../../server-default.toml");
+            assert_eq!(result, expected);
+        }
+
+        #[test]
+        // assumes running in the git-next repo which should have main, next and dev as remote branches
+        fn should_error_on_missing_file() {
+            let open_repo = given_open_real_repository();
+            let_assert!(
+                Err(err) = open_repo.read_file(&config::BranchName::new("dev"), &given::a_name())
+            );
+            assert!(matches!(err, git::file::Error::FileNotFound));
+        }
+    }
+
+    fn given_open_real_repository() -> git::OpenRepository {
+        // assumes the current directory is a clone of this repo
+        let_assert!(Ok(current_dir) = std::env::current_dir()); // ./crates/git
+        let gitdir: GitDir = current_dir.join("../..").into(); // cd back to project root
+        let_assert!(Ok(real_open_repository) = RealRepository.open(&gitdir));
+        real_open_repository
+    }
+}

crates/git/src/tests.rs

@@ -81,23 +81,59 @@ mod gitremote {
     }
 }
 mod push {
-    use crate::{commit, push::Force, Commit, GitRef};
+    use super::*;
+    use crate::GitRef;
 
     #[test]
     fn force_no_should_display() {
-        assert_eq!(Force::No.to_string(), "fast-forward")
+        assert_eq!(git::push::Force::No.to_string(), "fast-forward")
     }
+
     #[test]
     fn force_from_should_display() {
-        let commit = Commit::new(
-            commit::Sha::new("sha".to_string()),
-            commit::Message::new("message".to_string()),
-        );
+        let sha = given::a_name();
+        let commit = given::a_commit_with_sha(&git::commit::Sha::new(sha.clone()));
         assert_eq!(
-            Force::From(GitRef::from(commit)).to_string(),
-            "force-if-from:sha"
+            git::push::Force::From(GitRef::from(commit)).to_string(),
+            format!("force-if-from:{sha}")
         )
     }
+
+    mod reset {
+        use super::*;
+        use crate::{tests::given, OpenRepository};
+        use assert2::let_assert;
+
+        #[test]
+        fn should_perform_a_fetch_then_push() {
+            let fs = given::a_filesystem();
+            let (mock_open_repository, gitdir, mock_repository) = given::an_open_repository(&fs);
+            let open_repository: OpenRepository = mock_open_repository.into();
+            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(
+                    &open_repository,
+                    &repo_details,
+                    branch_name,
+                    &gitref,
+                    &git::push::Force::No
+                )
+            );
+            let_assert!(Some(mock_open_repository) = mock_repository.get(&gitdir));
+            let operations = mock_open_repository.operations();
+            let forge_alias = repo_details.forge.forge_alias();
+            let repo_alias = &repo_details.repo_alias;
+            let to_commit = gitref;
+            let force = "fast-forward";
+            assert_eq!(
+                operations,
+                vec![format!("fetch"), format!("push fa:{forge_alias} ra:{repo_alias} bn:{branch_name} tc:{to_commit} f:{force}")]
+            );
+        }
+    }
 }
 mod repo_details {
 
@@ -172,10 +208,13 @@ mod repo_details {
         );
     }
 }
-mod given {
+pub mod given {
     #![allow(dead_code)]
     //
-    use crate as git;
+    use crate::{
+        self as git,
+        repository::{MockOpenRepository, MockRepository},
+    };
     use config::{
         BranchName, ForgeAlias, ForgeConfig, ForgeType, GitDir, RepoAlias, RepoBranches,
         ServerRepoConfig, WebhookAuth, WebhookId,
@@ -335,11 +374,12 @@ mod given {
         )
     }
 
-    // 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)
-    // }
+    pub fn an_open_repository(
+        fs: &kxio::fs::FileSystem,
+    ) -> (MockOpenRepository, GitDir, MockRepository) {
+        let mut mock = git::repository::mock();
+        let gitdir = a_git_dir(fs);
+        let or = mock.given_can_be_opened(&gitdir);
+        (or, gitdir, mock)
+    }
 }

crates/repo-actor/src/lib.rs

@@ -93,7 +93,7 @@ impl Actor for RepoActor {
 pub struct CloneRepo;
 impl Handler<CloneRepo> for RepoActor {
     type Result = ();
-    #[tracing::instrument(name = "RepoActor::CloneRepo", skip_all, fields(repo = %self.repo_details, gitdir = %self.repo_details.gitdir))]
+    #[tracing::instrument(name = "RepoActor::CloneRepo", skip_all, fields(repo = %self.repo_details /*, gitdir = %self.repo_details.gitdir */))]
     fn handle(&mut self, _msg: CloneRepo, ctx: &mut Self::Context) -> Self::Result {
         let gitdir = self.repo_details.gitdir.clone();
         match git::repository::open(&self.repository, &self.repo_details, gitdir) {