// Copyright 2021 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::thread; use assert_matches::assert_matches;use jj_lib::default_backend_factories::default_working_copy_factories;use jj_lib::default_backend_factories::default_working_copy_factory;use jj_lib::ref_name::WorkspaceNameBuf;use jj_lib::repo::Repo as _;use jj_lib::workspace::Workspace;use jj_lib::workspace::WorkspaceLoadError;use pollster::FutureExt as _;use testutils::TestEnvironment;use testutils::TestResult;use testutils::TestWorkspace; #[test]fn test_load_bad_path() {    let settings = testutils::user_settings();    let test_env = TestEnvironment::init();    let workspace_root = test_env.root().to_owned();    // We haven't created a repo in the workspace_root, so it should fail to load.    let result = Workspace::load(        &settings,        &workspace_root,        &test_env.default_backend_factories(),        &default_working_copy_factories(),    );    assert_matches!(        result.err(),        Some(WorkspaceLoadError::NoWorkspaceHere(root)) if root == workspace_root    );} #[test]fn test_init_additional_workspace() -> TestResult {    let settings = testutils::user_settings();    let test_workspace = TestWorkspace::init_with_settings(&settings);    let workspace = &test_workspace.workspace;     let ws2_name = WorkspaceNameBuf::from("ws2");    let ws2_root = test_workspace.root_dir().join("ws2_root");    std::fs::create_dir(&ws2_root)?;    let (ws2, repo) = Workspace::init_workspace_with_existing_repo(        &ws2_root,        test_workspace.repo_path(),        &test_workspace.repo,        &*default_working_copy_factory(),        ws2_name.clone(),    )    .block_on()?;    let wc_commit_id = repo.view().get_wc_commit_id(&ws2_name);    assert_ne!(wc_commit_id, None);    let wc_commit_id = wc_commit_id.unwrap();    let wc_commit = repo.store().get_commit(wc_commit_id)?;    assert_eq!(        wc_commit.parent_ids(),        vec![repo.store().root_commit_id().clone()]    );    assert_eq!(ws2.workspace_name(), &ws2_name);    assert_eq!(        *ws2.repo_path(),        dunce::canonicalize(workspace.repo_path())?    );    assert_eq!(*ws2.workspace_root(), dunce::canonicalize(&ws2_root)?);     let repo_file_path = ws2_root.join(".jj").join("repo");    let repo_file_contents = std::fs::read(&repo_file_path)?;    let stored_path = String::from_utf8(repo_file_contents)?;    assert_eq!(stored_path, "../../repo/.jj/repo");     let same_workspace = Workspace::load(        &settings,        &ws2_root,        &test_workspace.env.default_backend_factories(),        &default_working_copy_factories(),    );    assert!(same_workspace.is_ok());    let same_workspace = same_workspace?;    assert_eq!(same_workspace.workspace_name(), &ws2_name);    assert_eq!(        *same_workspace.repo_path(),        dunce::canonicalize(workspace.repo_path())?    );    assert_eq!(same_workspace.workspace_root(), ws2.workspace_root());    Ok(())} #[test]fn test_init_additional_workspace_absolute_path_compat() -> TestResult {    let settings = testutils::user_settings();    let test_workspace = TestWorkspace::init_with_settings(&settings);    let workspace = &test_workspace.workspace;     let ws2_name = WorkspaceNameBuf::from("ws2");    let ws2_root = test_workspace.root_dir().join("ws2_root");    std::fs::create_dir(&ws2_root)?;    let (ws2, _repo) = Workspace::init_workspace_with_existing_repo(        &ws2_root,        test_workspace.repo_path(),        &test_workspace.repo,        &*default_working_copy_factory(),        ws2_name.clone(),    )    .block_on()?;     let repo_file_path = ws2_root.join(".jj").join("repo");    let abs_repo_path = dunce::canonicalize(workspace.repo_path())?;    std::fs::write(        &repo_file_path,        abs_repo_path.as_os_str().as_encoded_bytes(),    )?;     let same_workspace = Workspace::load(        &settings,        &ws2_root,        &test_workspace.env.default_backend_factories(),        &default_working_copy_factories(),    );    assert!(same_workspace.is_ok());    let same_workspace = same_workspace?;    assert_eq!(same_workspace.workspace_name(), &ws2_name);    assert_eq!(*same_workspace.repo_path(), abs_repo_path);    assert_eq!(same_workspace.workspace_root(), ws2.workspace_root());    Ok(())} #[cfg(unix)]#[test]fn test_init_additional_workspace_non_utf8_path() -> TestResult {    use std::ffi::OsStr;    use std::os::unix::ffi::OsStrExt as _;     let settings = testutils::user_settings();    let test_env = TestEnvironment::init();     if testutils::check_strict_utf8_fs(test_env.root()) {        eprintln!(            "Skipping test \"test_init_additional_workspace_non_utf8_path\" due to strict UTF-8 \             filesystem for path {:?}",            test_env.root()        );        return Ok(());    }     let ws1_root = test_env.root().join(OsStr::from_bytes(b"ws1_root\xe0"));    std::fs::create_dir(&ws1_root)?;    let (ws1, repo) = Workspace::init_simple(&settings, &ws1_root).block_on()?;     let ws2_name = WorkspaceNameBuf::from("ws2");    let ws2_root = test_env.root().join(OsStr::from_bytes(b"ws2_root\xe0"));    std::fs::create_dir(&ws2_root)?;    let (ws2, _repo) = Workspace::init_workspace_with_existing_repo(        &ws2_root,        ws1.repo_path(),        &repo,        &*default_working_copy_factory(),        ws2_name.clone(),    )    .block_on()?;    assert_eq!(ws2.workspace_name(), &ws2_name);    assert_eq!(*ws2.repo_path(), dunce::canonicalize(ws1.repo_path())?);    assert_eq!(*ws2.workspace_root(), dunce::canonicalize(&ws2_root)?);    let same_workspace = Workspace::load(        &settings,        &ws2_root,        &test_env.default_backend_factories(),        &default_working_copy_factories(),    );    let same_workspace = same_workspace?;    assert_eq!(same_workspace.workspace_name(), &ws2_name);    assert_eq!(        *same_workspace.repo_path(),        dunce::canonicalize(ws1.repo_path())?    );    assert_eq!(same_workspace.workspace_root(), ws2.workspace_root());    Ok(())} /// Test cross-thread access to a workspace, which requires it to be Send#[test]fn test_sendable() {    let test_workspace = TestWorkspace::init();    let root = test_workspace.workspace.workspace_root().to_owned();     thread::spawn(move || {        let shared_workspace = test_workspace.workspace;        assert_eq!(shared_workspace.workspace_root(), &root);    })    .join()    .unwrap();}