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// 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;use std::path::PathBuf; use assert_matches::assert_matches;use jj_lib::config::StackedConfig;use jj_lib::git_backend::GitBackend;use jj_lib::ref_name::WorkspaceName;use jj_lib::repo::Repo as _;use jj_lib::settings::UserSettings;use jj_lib::workspace::Workspace;use pollster::FutureExt as _;use test_case::test_case;use testutils::TestRepoBackend;use testutils::TestResult;use testutils::TestWorkspace;use testutils::assert_tree_eq;use testutils::git;use testutils::write_random_commit; fn canonicalize(input: &Path) -> (PathBuf, PathBuf) {    let uncanonical = input.join("..").join(input.file_name().unwrap());    let canonical = dunce::canonicalize(&uncanonical).unwrap();    (canonical, uncanonical)} #[test]fn test_init_local() -> TestResult {    let settings = testutils::user_settings();    let temp_dir = testutils::new_temp_dir();    let (canonical, uncanonical) = canonicalize(temp_dir.path());    let (workspace, repo) = Workspace::init_simple(&settings, &uncanonical).block_on()?;    assert!(repo.store().backend_impl::<GitBackend>().is_none());    assert_eq!(workspace.workspace_root(), &canonical);     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction();    write_random_commit(tx.repo_mut());    Ok(())} #[test_case(gix::hash::Kind::Sha1 ; "sha1")]#[test_case(gix::hash::Kind::Sha256; "sha256")]fn test_init_internal_git(object_hash: gix::hash::Kind) -> TestResult {    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, object_hash).block_on()?;    let git_backend: &GitBackend = repo.store().backend_impl().unwrap();    let 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_path.join("store").join("git_target"))?,        "git"    );     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction();    write_random_commit(tx.repo_mut());    Ok(())} #[test_case(gix::hash::Kind::Sha1 ; "sha1")]#[test_case(gix::hash::Kind::Sha256; "sha256")]fn test_init_colocated_git(object_hash: gix::hash::Kind) -> TestResult {    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, object_hash).block_on()?;    let git_backend: &GitBackend = repo.store().backend_impl().unwrap();    let 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_path.join("store").join("git_target"))?,        "../../../.git"    );     // Just test that we can write a commit to the store    let mut tx = repo.start_transaction();    write_random_commit(tx.repo_mut());    Ok(())} #[test]fn test_init_external_git() -> TestResult {    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");    git::init(&git_repo_path);    std::fs::create_dir(uncanonical.join("jj"))?;    let (workspace, repo) = Workspace::init_external_git(        &settings,        &uncanonical.join("jj"),        &git_repo_path.join(".git"),    )    .block_on()?;    let git_backend: &GitBackend = repo.store().backend_impl().unwrap();    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();    write_random_commit(tx.repo_mut());    Ok(())} #[test_case(TestRepoBackend::Simple ; "simple backend")]#[test_case(TestRepoBackend::Git ; "git backend")]fn test_init_with_default_config(backend: TestRepoBackend) -> TestResult {    // Test that we can create a repo without setting any non-default config    let settings = UserSettings::from_config(StackedConfig::with_defaults())?;    let test_workspace = TestWorkspace::init_with_backend_and_settings(backend, &settings);    let repo = &test_workspace.repo;    let wc_commit_id = repo        .view()        .get_wc_commit_id(WorkspaceName::DEFAULT)        .unwrap();    let wc_commit = repo.store().get_commit(wc_commit_id)?;    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());    Ok(())} #[test_case(TestRepoBackend::Simple ; "simple backend")]#[test_case(TestRepoBackend::Git ; "git backend")]fn test_init_checkout(backend: TestRepoBackend) -> TestResult {    // Test the contents of the working-copy commit after init    let settings = testutils::user_settings();    let test_workspace = TestWorkspace::init_with_backend_and_settings(backend, &settings);    let repo = &test_workspace.repo;    let wc_commit_id = repo        .view()        .get_wc_commit_id(WorkspaceName::DEFAULT)        .unwrap();    let wc_commit = repo.store().get_commit(wc_commit_id)?;    assert_tree_eq!(wc_commit.tree(), repo.store().empty_merged_tree());    assert_eq!(        wc_commit.store_commit().parents,        vec![repo.store().root_commit_id().clone()]    );    assert!(wc_commit.store_commit().predecessors.is_empty());    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());    assert_matches!(        repo.operation().predecessors_for_commit(wc_commit.id()),        Some([])    );    Ok(())} #[cfg(unix)]#[test]fn test_init_load_non_utf8_path() -> TestResult {    use std::ffi::OsStr;    use std::os::unix::ffi::OsStrExt as _;     use jj_lib::default_backend_factories::default_working_copy_factories;    use pollster::FutureExt as _;    use testutils::TestEnvironment;     let settings = testutils::user_settings();    let test_env = TestEnvironment::init();     if testutils::check_strict_utf8_fs(test_env.root()) {        eprintln!(            "Skipping test \"test_init_load_non_utf8_path\" due to strict UTF-8 filesystem for \             path {:?}",            test_env.root()        );        return Ok(());    }     let git_repo_path = test_env.root().join(OsStr::from_bytes(b"git\xe0"));    assert!(git_repo_path.to_str().is_none());    git::init(&git_repo_path);     // Workspace can be created    let workspace_root = test_env.root().join(OsStr::from_bytes(b"jj\xe0"));    std::fs::create_dir(&workspace_root)?;    Workspace::init_external_git(&settings, &workspace_root, &git_repo_path.join(".git"))        .block_on()?;     // Workspace can be loaded    let workspace = Workspace::load(        &settings,        &workspace_root,        &test_env.default_backend_factories(),        &default_working_copy_factories(),    )?;     // Just test that we can write a commit to the store    let repo = workspace.repo_loader().load_at_head().block_on()?;    let mut tx = repo.start_transaction();    write_random_commit(tx.repo_mut());    Ok(())}