// Copyright 2024 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::fs::OpenOptions;use std::io::Write;use std::path::Path; use crate::common::TestEnvironment; fn append_to_file(file_path: &Path, contents: &str) {    let mut options = OpenOptions::new();    options.append(true);    let mut file = options.open(file_path).unwrap();    writeln!(file, "{contents}").unwrap();} #[test]fn test_annotate_linear() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["git", "init", "repo"]);    let repo_path = test_env.env_root().join("repo");     std::fs::write(repo_path.join("file.txt"), "line1\n").unwrap();    test_env.jj_cmd_ok(        &repo_path,        &["describe", "-m=initial", "--author=Foo <foo@example.org>"],    );     test_env.jj_cmd_ok(&repo_path, &["new", "-m=next"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit");     let stdout = test_env.jj_cmd_success(&repo_path, &["file", "annotate", "file.txt"]);    insta::assert_snapshot!(stdout, @r"    qpvuntsm foo      2001-02-03 08:05:08    1: line1    kkmpptxz test.use 2001-02-03 08:05:10    2: new text from new commit    ");} #[test]fn test_annotate_merge() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["git", "init", "repo"]);    let repo_path = test_env.env_root().join("repo");     std::fs::write(repo_path.join("file.txt"), "line1\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m=initial"]);    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "initial"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit1"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 1");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit1"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit2", "initial"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 2");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit2"]);     // create a (conflicted) merge    test_env.jj_cmd_ok(&repo_path, &["new", "-m=merged", "commit1", "commit2"]);    // resolve conflicts    std::fs::write(        repo_path.join("file.txt"),        "line1\nnew text from new commit 1\nnew text from new commit 2\n",    )    .unwrap();     let stdout = test_env.jj_cmd_success(&repo_path, &["file", "annotate", "file.txt"]);    insta::assert_snapshot!(stdout, @r"    qpvuntsm test.use 2001-02-03 08:05:08    1: line1    zsuskuln test.use 2001-02-03 08:05:11    2: new text from new commit 1    royxmykx test.use 2001-02-03 08:05:13    3: new text from new commit 2    ");} #[test]fn test_annotate_conflicted() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["git", "init", "repo"]);    let repo_path = test_env.env_root().join("repo");     std::fs::write(repo_path.join("file.txt"), "line1\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m=initial"]);    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "initial"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit1"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 1");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit1"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit2", "initial"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 2");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit2"]);     // create a (conflicted) merge    test_env.jj_cmd_ok(&repo_path, &["new", "-m=merged", "commit1", "commit2"]);    test_env.jj_cmd_ok(&repo_path, &["new"]);     let stdout = test_env.jj_cmd_success(&repo_path, &["file", "annotate", "file.txt"]);    insta::assert_snapshot!(stdout, @r"    qpvuntsm test.use 2001-02-03 08:05:08    1: line1    yostqsxw test.use 2001-02-03 08:05:15    2: <<<<<<< Conflict 1 of 1    yostqsxw test.use 2001-02-03 08:05:15    3: %%%%%%% Changes from base to side #1    yostqsxw test.use 2001-02-03 08:05:15    4: +new text from new commit 1    yostqsxw test.use 2001-02-03 08:05:15    5: +++++++ Contents of side #2    royxmykx test.use 2001-02-03 08:05:13    6: new text from new commit 2    yostqsxw test.use 2001-02-03 08:05:15    7: >>>>>>> Conflict 1 of 1 ends    ");} #[test]fn test_annotate_merge_one_sided_conflict_resolution() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["git", "init", "repo"]);    let repo_path = test_env.env_root().join("repo");     std::fs::write(repo_path.join("file.txt"), "line1\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m=initial"]);    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "initial"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit1"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 1");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit1"]);     test_env.jj_cmd_ok(&repo_path, &["new", "-m=commit2", "initial"]);    append_to_file(&repo_path.join("file.txt"), "new text from new commit 2");    test_env.jj_cmd_ok(&repo_path, &["branch", "create", "commit2"]);     // create a (conflicted) merge    test_env.jj_cmd_ok(&repo_path, &["new", "-m=merged", "commit1", "commit2"]);    // resolve conflicts    std::fs::write(        repo_path.join("file.txt"),        "line1\nnew text from new commit 1\n",    )    .unwrap();     let stdout = test_env.jj_cmd_success(&repo_path, &["file", "annotate", "file.txt"]);    insta::assert_snapshot!(stdout, @r"    qpvuntsm test.use 2001-02-03 08:05:08    1: line1    zsuskuln test.use 2001-02-03 08:05:11    2: new text from new commit 1    ");}