// Copyright 2022 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 crate::common::{get_stdout_string, TestEnvironment}; #[test]fn test_log_with_empty_revision() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     let stderr = test_env.jj_cmd_cli_error(&repo_path, &["log", "-r="]);    insta::assert_snapshot!(stderr, @r###"    error: a value is required for '--revisions <REVISIONS>' but none was supplied     For more information, try '--help'.    "###);} #[test]fn test_log_with_no_template() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     let stderr = test_env.jj_cmd_cli_error(&repo_path, &["log", "-T"]);    insta::assert_snapshot!(stderr, @r###"    error: a value is required for '--template <TEMPLATE>' but none was supplied     For more information, try '--help'.    Hint: The following template aliases are defined:    - builtin_change_id_with_hidden_and_divergent_info    - builtin_log_comfortable    - builtin_log_compact    - builtin_log_detailed    - builtin_log_oneline    - builtin_op_log_comfortable    - builtin_op_log_compact    - commit_summary_separator    - description_placeholder    - email_placeholder    - name_placeholder    "###);} #[test]fn test_log_with_or_without_diff() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     std::fs::write(repo_path.join("file1"), "foo\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m", "add a file"]);    test_env.jj_cmd_ok(&repo_path, &["new", "-m", "a new commit"]);    std::fs::write(repo_path.join("file1"), "foo\nbar\n").unwrap();     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description"]);    insta::assert_snapshot!(stdout, @r###"    @  a new commit    ◉  add a file    ◉    "###);     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "-p"]);    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  Modified regular file file1:    │     1    1: foo    │          2: bar    ◉  add a file    │  Added regular file file1:    │          1: foo    ◉    "###);     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "--no-graph"]);    insta::assert_snapshot!(stdout, @r###"    a new commit    add a file    "###);     // `-p` for default diff output, `-s` for summary    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "-p", "-s"]);    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  M file1    │  Modified regular file file1:    │     1    1: foo    │          2: bar    ◉  add a file    │  A file1    │  Added regular file file1:    │          1: foo    ◉    "###);     // `-s` for summary, `--git` for git diff (which implies `-p`)    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "-s", "--git"]);    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  M file1    │  diff --git a/file1 b/file1    │  index 257cc5642c...3bd1f0e297 100644    │  --- a/file1    │  +++ b/file1    │  @@ -1,1 +1,2 @@    │   foo    │  +bar    ◉  add a file    │  A file1    │  diff --git a/file1 b/file1    │  new file mode 100644    │  index 0000000000..257cc5642c    │  --- /dev/null    │  +++ b/file1    │  @@ -1,0 +1,1 @@    │  +foo    ◉    "###);     // `-p` enables default "summary" output, so `-s` is noop    let stdout = test_env.jj_cmd_success(        &repo_path,        &[            "log",            "-T",            "description",            "-p",            "-s",            "--config-toml=ui.diff.format='summary'",        ],    );    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  M file1    ◉  add a file    │  A file1    ◉    "###);     // `-p` enables default "color-words" diff output, so `--color-words` is noop    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "-p", "--color-words"],    );    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  Modified regular file file1:    │     1    1: foo    │          2: bar    ◉  add a file    │  Added regular file file1:    │          1: foo    ◉    "###);     // `--git` enables git diff, so `-p` is noop    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "--no-graph", "-p", "--git"],    );    insta::assert_snapshot!(stdout, @r###"    a new commit    diff --git a/file1 b/file1    index 257cc5642c...3bd1f0e297 100644    --- a/file1    +++ b/file1    @@ -1,1 +1,2 @@     foo    +bar    add a file    diff --git a/file1 b/file1    new file mode 100644    index 0000000000..257cc5642c    --- /dev/null    +++ b/file1    @@ -1,0 +1,1 @@    +foo    "###);     // Cannot use both `--git` and `--color-words`    let stderr = test_env.jj_cmd_cli_error(        &repo_path,        &[            "log",            "-T",            "description",            "--no-graph",            "-p",            "--git",            "--color-words",        ],    );    insta::assert_snapshot!(stderr, @r###"    error: the argument '--git' cannot be used with '--color-words'     Usage: jj log --template <TEMPLATE> --no-graph --patch --git [PATHS]...     For more information, try '--help'.    "###);     // `-s` with or without graph    let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", "description", "-s"]);    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  M file1    ◉  add a file    │  A file1    ◉    "###);    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "--no-graph", "-s"],    );    insta::assert_snapshot!(stdout, @r###"    a new commit    M file1    add a file    A file1    "###);     // `--git` implies `-p`, with or without graph    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "-r", "@", "--git"],    );    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  diff --git a/file1 b/file1    ~  index 257cc5642c...3bd1f0e297 100644       --- a/file1       +++ b/file1       @@ -1,1 +1,2 @@        foo       +bar    "###);    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "-r", "@", "--no-graph", "--git"],    );    insta::assert_snapshot!(stdout, @r###"    a new commit    diff --git a/file1 b/file1    index 257cc5642c...3bd1f0e297 100644    --- a/file1    +++ b/file1    @@ -1,1 +1,2 @@     foo    +bar    "###);     // `--color-words` implies `-p`, with or without graph    let stdout = test_env.jj_cmd_success(        &repo_path,        &["log", "-T", "description", "-r", "@", "--color-words"],    );    insta::assert_snapshot!(stdout, @r###"    @  a new commit    │  Modified regular file file1:    ~     1    1: foo               2: bar    "###);    let stdout = test_env.jj_cmd_success(        &repo_path,        &[            "log",            "-T",            "description",            "-r",            "@",            "--no-graph",            "--color-words",        ],    );    insta::assert_snapshot!(stdout, @r###"    a new commit    Modified regular file file1:       1    1: foo            2: bar    "###);} #[test]fn test_log_null_terminate_multiline_descriptions() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     test_env.jj_cmd_ok(        &repo_path,        &["commit", "-m", "commit 1 line 1", "-m", "commit 1 line 2"],    );    test_env.jj_cmd_ok(        &repo_path,        &["commit", "-m", "commit 2 line 1", "-m", "commit 2 line 2"],    );    test_env.jj_cmd_ok(        &repo_path,        &["describe", "-m", "commit 3 line 1", "-m", "commit 3 line 2"],    );     let stdout = test_env.jj_cmd_success(        &repo_path,        &[            "log",            "-r",            "~root()",            "-T",            r#"description ++ "\0""#,            "--no-graph",        ],    );    insta::assert_debug_snapshot!(        stdout,        @r###""commit 3 line 1\n\ncommit 3 line 2\n\0commit 2 line 1\n\ncommit 2 line 2\n\0commit 1 line 1\n\ncommit 1 line 2\n\0""###    )} #[test]fn test_log_shortest_accessors() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");    let render = |rev, template| {        test_env.jj_cmd_success(            &repo_path,            &["log", "--no-graph", "-r", rev, "-T", template],        )    };    test_env.add_config(        r#"        [template-aliases]        'format_id(id)' = 'id.shortest(12).prefix() ++ "[" ++ id.shortest(12).rest() ++ "]"'        "#,    );     std::fs::write(repo_path.join("file"), "original file\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m", "initial"]);    test_env.jj_cmd_ok(&repo_path, &["branch", "c", "original"]);    insta::assert_snapshot!(        render("original", r#"format_id(change_id) ++ " " ++ format_id(commit_id)"#),        @"q[pvuntsmwlqt] b[a1a30916d29]");     // Create a chain of 10 commits    for i in 1..10 {        test_env.jj_cmd_ok(&repo_path, &["new", "-m", &format!("commit{i}")]);        std::fs::write(repo_path.join("file"), format!("file {i}\n")).unwrap();    }    // Create 2^3 duplicates of the chain    for _ in 0..3 {        test_env.jj_cmd_ok(&repo_path, &["duplicate", "description(commit)"]);    }     insta::assert_snapshot!(        render("original", r#"format_id(change_id) ++ " " ++ format_id(commit_id)"#),        @"qpv[untsmwlqt] ba1[a30916d29]");     insta::assert_snapshot!(        render("::@", r#"change_id.shortest() ++ " " ++ commit_id.shortest() ++ "\n""#),        @r###"    wq 03    km f7    kp e7    zn 38    yo 0cf    vr 9e    yq 06    ro 1f    mz 7b    qpv ba1    zzz 00    "###);     insta::assert_snapshot!(        render("::@", r#"format_id(change_id) ++ " " ++ format_id(commit_id) ++ "\n""#),        @r###"    wq[nwkozpkust] 03[f51310b83e]    km[kuslswpqwq] f7[7fb1909080]    kp[qxywonksrl] e7[15ad5db646]    zn[kkpsqqskkl] 38[622e54e2e5]    yo[stqsxwqrlt] 0cf[42f60199c]    vr[uxwmqvtpmx] 9e[6015e4e622]    yq[osqzytrlsw] 06[f34d9b1475]    ro[yxmykxtrkr] 1f[99a5e19891]    mz[vwutvlkqwt] 7b[1f7dee65b4]    qpv[untsmwlqt] ba1[a30916d29]    zzz[zzzzzzzzz] 00[0000000000]    "###);     // Can get shorter prefixes in configured revset    test_env.add_config(r#"revsets.short-prefixes = "(@----)::""#);    insta::assert_snapshot!(        render("::@", r#"format_id(change_id) ++ " " ++ format_id(commit_id) ++ "\n""#),        @r###"    w[qnwkozpkust] 03[f51310b83e]    km[kuslswpqwq] f[77fb1909080]    kp[qxywonksrl] e[715ad5db646]    z[nkkpsqqskkl] 3[8622e54e2e5]    y[ostqsxwqrlt] 0c[f42f60199c]    vr[uxwmqvtpmx] 9e[6015e4e622]    yq[osqzytrlsw] 06f[34d9b1475]    ro[yxmykxtrkr] 1f[99a5e19891]    mz[vwutvlkqwt] 7b[1f7dee65b4]    qpv[untsmwlqt] ba1[a30916d29]    zzz[zzzzzzzzz] 00[0000000000]    "###);     // Can disable short prefixes by setting to empty string    test_env.add_config(r#"revsets.short-prefixes = """#);    insta::assert_snapshot!(        render("::@", r#"format_id(change_id) ++ " " ++ format_id(commit_id) ++ "\n""#),        @r###"    wq[nwkozpkust] 03[f51310b83e]    km[kuslswpqwq] f7[7fb1909080]    kp[qxywonksrl] e7[15ad5db646]    zn[kkpsqqskkl] 38[622e54e2e5]    yo[stqsxwqrlt] 0cf[42f60199c]    vr[uxwmqvtpmx] 9e[6015e4e622]    yq[osqzytrlsw] 06f[34d9b1475]    ro[yxmykxtrkr] 1f[99a5e19891]    mz[vwutvlkqwt] 7b[1f7dee65b4]    qpv[untsmwlqt] ba1[a30916d29]    zzz[zzzzzzzzz] 00[0000000000]    "###);} #[test]fn test_log_bad_short_prefixes() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");    // Error on bad config of short prefixes    test_env.add_config(r#"revsets.short-prefixes = "!nval!d""#);    let stderr = test_env.jj_cmd_failure(&repo_path, &["status"]);    insta::assert_snapshot!(stderr,        @r###"    Config error: Invalid `revsets.short-prefixes`:  --> 1:1      |    1 | !nval!d      | ^---      |      = expected <expression>    For help, see https://github.com/martinvonz/jj/blob/main/docs/config.md.    "###);} #[test]fn test_log_prefix_highlight_styled() {    let test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    let repo_path = test_env.env_root().join("repo");     fn prefix_format(len: Option<usize>) -> String {        format!(            r###"            separate(" ",              "Change",              change_id.shortest({0}),              description.first_line(),              commit_id.shortest({0}),              branches,            )            "###,            len.map(|l| l.to_string()).unwrap_or_default()        )    }     std::fs::write(repo_path.join("file"), "original file\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["describe", "-m", "initial"]);    test_env.jj_cmd_ok(&repo_path, &["branch", "c", "original"]);    insta::assert_snapshot!(        test_env.jj_cmd_success(&repo_path, &["log", "-r", "original", "-T", &prefix_format(Some(12))]),        @r###"    @  Change qpvuntsmwlqt initial ba1a30916d29 original    │    ~    "###    );     // Create a chain of 10 commits    for i in 1..10 {        test_env.jj_cmd_ok(&repo_path, &["new", "-m", &format!("commit{i}")]);        std::fs::write(repo_path.join("file"), format!("file {i}\n")).unwrap();    }    // Create 2^3 duplicates of the chain    for _ in 0..3 {        test_env.jj_cmd_ok(&repo_path, &["duplicate", "description(commit)"]);    } 

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