// Copyright 2020 The Jujutsu Authors//// Licensed under the Apache License, Version 2.0 (the "License");// you may not use this file except in compliance with the License.// You may obtain a copy of the License at//// https://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software// distributed under the License is distributed on an "AS IS" BASIS,// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.// See the License for the specific language governing permissions and// limitations under the License. use std::path::{Path, PathBuf}; use jj_lib::git_backend::GitBackend;use jj_lib::op_store::WorkspaceId;use jj_lib::repo::Repo;use jj_lib::settings::UserSettings;use jj_lib::workspace::Workspace;use test_case::test_case;use testutils::{write_random_commit, TestRepoBackend, TestWorkspace}; fn canonicalize(input: &Path) -> (PathBuf, PathBuf) {    let uncanonical = input.join("..").join(input.file_name().unwrap());    let canonical = uncanonical.canonicalize().unwrap();    (canonical, uncanonical)} #[test]fn test_init_local() {    let settings = testutils::user_settings();    let temp_dir = testutils::new_temp_dir();    let (canonical, uncanonical) = canonicalize(temp_dir.path());    let (workspace, repo) = Workspace::init_local(&settings, &uncanonical).unwrap();    assert!(repo        .store()        .backend_impl()        .downcast_ref::<GitBackend>()        .is_none());    assert_eq!(repo.repo_path(), &canonical.join(".jj").join("repo"));    assert_eq!(workspace.workspace_root(), &canonical);     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction(&settings);    write_random_commit(tx.mut_repo(), &settings);} #[test]fn test_init_internal_git() {    let settings = testutils::user_settings();    let temp_dir = testutils::new_temp_dir();    let (canonical, uncanonical) = canonicalize(temp_dir.path());    let (workspace, repo) = Workspace::init_internal_git(&settings, &uncanonical).unwrap();    let git_backend = repo        .store()        .backend_impl()        .downcast_ref::<GitBackend>()        .unwrap();    assert_eq!(repo.repo_path(), &canonical.join(".jj").join("repo"));    assert_eq!(workspace.workspace_root(), &canonical);    assert_eq!(        git_backend.git_repo_path(),        canonical.join(PathBuf::from_iter([".jj", "repo", "store", "git"])),    );    assert!(git_backend.git_workdir().is_none());    assert_eq!(        std::fs::read_to_string(repo.repo_path().join("store").join("git_target")).unwrap(),        "git"    );     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction(&settings);    write_random_commit(tx.mut_repo(), &settings);} #[test]fn test_init_colocated_git() {    let settings = testutils::user_settings();    let temp_dir = testutils::new_temp_dir();    let (canonical, uncanonical) = canonicalize(temp_dir.path());    let (workspace, repo) = Workspace::init_colocated_git(&settings, &uncanonical).unwrap();    let git_backend = repo        .store()        .backend_impl()        .downcast_ref::<GitBackend>()        .unwrap();    assert_eq!(repo.repo_path(), &canonical.join(".jj").join("repo"));    assert_eq!(workspace.workspace_root(), &canonical);    assert_eq!(git_backend.git_repo_path(), canonical.join(".git"));    assert_eq!(git_backend.git_workdir(), Some(canonical.as_ref()));    assert_eq!(        std::fs::read_to_string(repo.repo_path().join("store").join("git_target")).unwrap(),        "../../../.git"    );     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction(&settings);    write_random_commit(tx.mut_repo(), &settings);} #[test]fn test_init_external_git() {    let settings = testutils::user_settings();    let temp_dir = testutils::new_temp_dir();    let (canonical, uncanonical) = canonicalize(temp_dir.path());    let git_repo_path = uncanonical.join("git");    git2::Repository::init(&git_repo_path).unwrap();    std::fs::create_dir(uncanonical.join("jj")).unwrap();    let (workspace, repo) = Workspace::init_external_git(        &settings,        &uncanonical.join("jj"),        &git_repo_path.join(".git"),    )    .unwrap();    let git_backend = repo        .store()        .backend_impl()        .downcast_ref::<GitBackend>()        .unwrap();    assert_eq!(        repo.repo_path(),        &canonical.join("jj").join(".jj").join("repo")    );    assert_eq!(workspace.workspace_root(), &canonical.join("jj"));    assert_eq!(        git_backend.git_repo_path(),        canonical.join("git").join(".git")    );    assert_eq!(        git_backend.git_workdir(),        Some(canonical.join("git").as_ref())    );     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction(&settings);    write_random_commit(tx.mut_repo(), &settings);} #[test_case(TestRepoBackend::Local ; "local backend")]#[test_case(TestRepoBackend::Git ; "git backend")]fn test_init_no_config_set(backend: TestRepoBackend) {    // Test that we can create a repo without setting any config    let settings = UserSettings::from_config(config::Config::default());    let test_workspace = TestWorkspace::init_with_backend(&settings, backend);    let repo = &test_workspace.repo;    let wc_commit_id = repo        .view()        .get_wc_commit_id(&WorkspaceId::default())        .unwrap();    let wc_commit = repo.store().get_commit(wc_commit_id).unwrap();    assert_eq!(wc_commit.author().name, "".to_string());    assert_eq!(wc_commit.author().email, "".to_string());    assert_eq!(wc_commit.committer().name, "".to_string());    assert_eq!(wc_commit.committer().email, "".to_string());} #[test_case(TestRepoBackend::Local ; "local backend")]#[test_case(TestRepoBackend::Git ; "git backend")]fn test_init_checkout(backend: TestRepoBackend) {    // Test the contents of the working-copy commit after init    let settings = testutils::user_settings();    let test_workspace = TestWorkspace::init_with_backend(&settings, backend);    let repo = &test_workspace.repo;    let wc_commit_id = repo        .view()        .get_wc_commit_id(&WorkspaceId::default())        .unwrap();    let wc_commit = repo.store().get_commit(wc_commit_id).unwrap();    assert_eq!(*wc_commit.tree_id(), repo.store().empty_merged_tree_id());    assert_eq!(        wc_commit.store_commit().parents,        vec![repo.store().root_commit_id().clone()]    );    assert_eq!(wc_commit.predecessors(), vec![]);    assert_eq!(wc_commit.description(), "");    assert_eq!(wc_commit.author().name, settings.user_name());    assert_eq!(wc_commit.author().email, settings.user_email());    assert_eq!(wc_commit.committer().name, settings.user_name());    assert_eq!(wc_commit.committer().email, settings.user_email());}