// 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 as _;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.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     work_dir.write_file("file.txt", "line1\n");    work_dir        .run_jj(["describe", "-m=initial", "--author=Foo <foo@example.org>"])        .success();     work_dir.run_jj(["new", "-m=next"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit",    );     let output = work_dir.run_jj(["file", "annotate", "file.txt"]);    insta::assert_snapshot!(output, @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    [EOF]    ");} #[test]fn test_annotate_merge() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     work_dir.write_file("file.txt", "line1\n");    work_dir.run_jj(["describe", "-m=initial"]).success();    work_dir        .run_jj(["branch", "create", "-r@", "initial"])        .success();     work_dir.run_jj(["new", "-m=commit1"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 1",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit1"])        .success();     work_dir.run_jj(["new", "-m=commit2", "initial"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 2",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit2"])        .success();     // create a (conflicted) merge    work_dir        .run_jj(["new", "-m=merged", "commit1", "commit2"])        .success();    // resolve conflicts    work_dir.write_file(        "file.txt",        "line1\nnew text from new commit 1\nnew text from new commit 2\n",    );     let output = work_dir.run_jj(["file", "annotate", "file.txt"]);    insta::assert_snapshot!(output, @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    [EOF]    ");} #[test]fn test_annotate_conflicted() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     work_dir.write_file("file.txt", "line1\n");    work_dir.run_jj(["describe", "-m=initial"]).success();    work_dir        .run_jj(["branch", "create", "-r@", "initial"])        .success();     work_dir.run_jj(["new", "-m=commit1"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 1",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit1"])        .success();     work_dir.run_jj(["new", "-m=commit2", "initial"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 2",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit2"])        .success();     // create a (conflicted) merge    work_dir        .run_jj(["new", "-m=merged", "commit1", "commit2"])        .success();    work_dir.run_jj(["new"]).success();     let output = work_dir.run_jj(["file", "annotate", "file.txt"]);    insta::assert_snapshot!(output, @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    [EOF]    ");} #[test]fn test_annotate_merge_one_sided_conflict_resolution() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     work_dir.write_file("file.txt", "line1\n");    work_dir.run_jj(["describe", "-m=initial"]).success();    work_dir        .run_jj(["branch", "create", "-r@", "initial"])        .success();     work_dir.run_jj(["new", "-m=commit1"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 1",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit1"])        .success();     work_dir.run_jj(["new", "-m=commit2", "initial"]).success();    append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 2",    );    work_dir        .run_jj(["branch", "create", "-r@", "commit2"])        .success();     // create a (conflicted) merge    work_dir        .run_jj(["new", "-m=merged", "commit1", "commit2"])        .success();    // resolve conflicts    work_dir.write_file("file.txt", "line1\nnew text from new commit 1\n");     let output = work_dir.run_jj(["file", "annotate", "file.txt"]);    insta::assert_snapshot!(output, @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    [EOF]    ");} #[test]fn test_annotate_with_template() {    let test_env = TestEnvironment::default();    test_env.run_jj_in(".", ["git", "init", "repo"]).success();    let work_dir = test_env.work_dir("repo");     work_dir.write_file("file.txt", "line1\n");    work_dir.run_jj(["commit", "-m=initial"]).success();     append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 1\nthat splits into multiple lines",    );    work_dir.run_jj(["commit", "-m=commit1"]).success();     append_to_file(        &work_dir.root().join("file.txt"),        "new text from new commit 2\nalso continuing on a second line\nand a third!",    );    work_dir.run_jj(["describe", "-m=commit2"]).success();     let template = indoc::indoc! {r#"    if(first_line_in_hunk, "\n" ++ separate("\n",        commit.change_id().shortest(8)            ++ " "            ++ commit.description().first_line(),        commit_timestamp(commit).local().format('%Y-%m-%d %H:%M:%S')            ++ " "            ++ commit.author(),    ) ++ "\n") ++ pad_start(4, line_number) ++ ": " ++ content    "#};     let output = work_dir.run_jj(["file", "annotate", "file.txt", "-T", template]);    insta::assert_snapshot!(output, @r"    qpvuntsm initial    2001-02-03 08:05:08 Test User <test.user@example.com>       1: line1     rlvkpnrz commit1    2001-02-03 08:05:09 Test User <test.user@example.com>       2: new text from new commit 1       3: that splits into multiple lines     kkmpptxz commit2    2001-02-03 08:05:10 Test User <test.user@example.com>       4: new text from new commit 2       5: also continuing on a second line       6: and a third!    [EOF]    ");}