// 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_stderr_string, TestEnvironment}; #[test]fn test_describe() {    let mut 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 edit_script = test_env.set_up_fake_editor();     // Set a description using `-m` flag    let (stdout, stderr) =        test_env.jj_cmd_ok(&repo_path, &["describe", "-m", "description from CLI"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm cf3e8673 (empty) description from CLI    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);     // Set the same description using `-m` flag, but with explicit newline    let (stdout, stderr) =        test_env.jj_cmd_ok(&repo_path, &["describe", "-m", "description from CLI\n"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Nothing changed.    "###);     // Check that the text file gets initialized with the current description and    // make no changes    std::fs::write(&edit_script, "dump editor0").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Nothing changed.    "###);    insta::assert_snapshot!(        std::fs::read_to_string(test_env.env_root().join("editor0")).unwrap(), @r###"    description from CLI     JJ: Lines starting with "JJ: " (like this one) will be removed.    "###);     // Set a description in editor    std::fs::write(&edit_script, "write\ndescription from editor").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm 100943ae (empty) description from editor    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);     // Lines in editor starting with "JJ: " are ignored    std::fs::write(        &edit_script,        "write\nJJ: ignored\ndescription among comment\nJJ: ignored",    )    .unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm ccefa58b (empty) description among comment    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);     // Multi-line description    std::fs::write(&edit_script, "write\nline1\nline2\n\nline4\n\n").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm e932ba42 (empty) line1    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);    let stdout =        test_env.jj_cmd_success(&repo_path, &["log", "--no-graph", "-r@", "-Tdescription"]);    insta::assert_snapshot!(stdout, @r###"    line1    line2     line4    "###);     // Multi-line description again with CRLF, which should make no changes    std::fs::write(&edit_script, "write\nline1\r\nline2\r\n\r\nline4\r\n\r\n").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Nothing changed.    "###);     // Multi-line description starting with newlines    std::fs::write(&edit_script, "write\n\n\nline1\nline2").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm 13f903c1 (empty) line1    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);    let stdout =        test_env.jj_cmd_success(&repo_path, &["log", "--no-graph", "-r@", "-Tdescription"]);    insta::assert_snapshot!(stdout, @r#"    line1    line2    "#);     // Clear description    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe", "-m", ""]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm 3196270d (empty) (no description set)    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);    std::fs::write(&edit_script, "write\n").unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Nothing changed.    "###);     // Fails if the editor fails    std::fs::write(&edit_script, "fail").unwrap();    let stderr = test_env.jj_cmd_failure(&repo_path, &["describe"]);    assert!(stderr.contains("exited with an error"));     // Fails if the editor doesn't exist    std::fs::write(&edit_script, "").unwrap();    let assert = test_env        .jj_cmd(&repo_path, &["describe"])        .env("EDITOR", "this-editor-does-not-exist")        .assert()        .failure();    assert!(get_stderr_string(&assert).contains("Failed to run"));     // `$VISUAL` overrides `$EDITOR`    let assert = test_env        .jj_cmd(&repo_path, &["describe"])        .env("VISUAL", "bad-editor-from-visual-env")        .env("EDITOR", "bad-editor-from-editor-env")        .assert()        .failure();    assert!(get_stderr_string(&assert).contains("bad-editor-from-visual-env"));     // `ui.editor` config overrides `$VISUAL`    test_env.add_config(r#"ui.editor = "bad-editor-from-config""#);    let assert = test_env        .jj_cmd(&repo_path, &["describe"])        .env("VISUAL", "bad-editor-from-visual-env")        .assert()        .failure();    assert!(get_stderr_string(&assert).contains("bad-editor-from-config"));     // `$JJ_EDITOR` overrides `ui.editor` config    let assert = test_env        .jj_cmd(&repo_path, &["describe"])        .env("JJ_EDITOR", "bad-jj-editor-from-jj-editor-env")        .assert()        .failure();    assert!(get_stderr_string(&assert).contains("bad-jj-editor-from-jj-editor-env"));} #[test]fn test_multiple_message_args() {    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");     // Set a description using `-m` flag    let (stdout, stderr) = test_env.jj_cmd_ok(        &repo_path,        &[            "describe",            "-m",            "First Paragraph from CLI",            "-m",            "Second Paragraph from CLI",        ],    );    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm bdee9366 (empty) First Paragraph from CLI    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);     let stdout =        test_env.jj_cmd_success(&repo_path, &["log", "--no-graph", "-r@", "-Tdescription"]);    insta::assert_snapshot!(stdout, @r###"    First Paragraph from CLI     Second Paragraph from CLI    "###);     // Set the same description, with existing newlines    let (stdout, stderr) = test_env.jj_cmd_ok(        &repo_path,        &[            "describe",            "-m",            "First Paragraph from CLI\n",            "-m",            "Second Paragraph from CLI\n",        ],    );    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Nothing changed.    "###);     // Use an empty -m flag between paragraphs to insert an extra blank line    let (stdout, stderr) = test_env.jj_cmd_ok(        &repo_path,        &[            "describe",            "-m",            "First Paragraph from CLI\n",            "--message",            "",            "-m",            "Second Paragraph from CLI",        ],    );    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm a7506fe0 (empty) First Paragraph from CLI    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);     let stdout =        test_env.jj_cmd_success(&repo_path, &["log", "--no-graph", "-r@", "-Tdescription"]);    insta::assert_snapshot!(stdout, @r###"    First Paragraph from CLI      Second Paragraph from CLI    "###);} #[test]fn test_describe_default_description() {    let mut test_env = TestEnvironment::default();    test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);    test_env.add_config(r#"ui.default-description = "\n\nTESTED=TODO""#);    let workspace_path = test_env.env_root().join("repo");     std::fs::write(workspace_path.join("file1"), "foo\n").unwrap();    std::fs::write(workspace_path.join("file2"), "bar\n").unwrap();    let edit_script = test_env.set_up_fake_editor();    std::fs::write(edit_script, ["dump editor"].join("\0")).unwrap();    let (stdout, stderr) = test_env.jj_cmd_ok(&workspace_path, &["describe"]);    insta::assert_snapshot!(stdout, @"");    insta::assert_snapshot!(stderr, @r###"    Working copy now at: qpvuntsm 7e780ba8 TESTED=TODO    Parent commit      : zzzzzzzz 00000000 (empty) (no description set)    "###);    assert_eq!(        std::fs::read_to_string(test_env.env_root().join("editor")).unwrap(),        r#" TESTED=TODOJJ: This commit contains the following changes:JJ:     A file1JJ:     A file2 JJ: Lines starting with "JJ: " (like this one) will be removed."#    );} #[test]fn test_describe_author() {    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.add_config(        r#"[template-aliases]'format_signature(signature)' = 'signature.name() ++ " " ++ signature.email() ++ " " ++ signature.timestamp()'"#,    );    let get_signatures = || {        test_env.jj_cmd_success(            &repo_path,            &[                "log",                "-r@",                "-T",                r#"format_signature(author) ++ "\n" ++ format_signature(committer)"#,            ],        )    };    insta::assert_snapshot!(get_signatures(), @r###"    @  Test User test.user@example.com 2001-02-03 04:05:07.000 +07:00    │  Test User test.user@example.com 2001-02-03 04:05:07.000 +07:00    ~    "###);     // Reset the author (the committer is always reset)    test_env.jj_cmd_ok(        &repo_path,        &[            "describe",            "--config-toml",            r#"user.name = "Ove Ridder"            user.email = "ove.ridder@example.com""#,            "--no-edit",            "--reset-author",        ],    );    insta::assert_snapshot!(get_signatures(), @r###"    @  Ove Ridder ove.ridder@example.com 2001-02-03 04:05:09.000 +07:00    │  Ove Ridder ove.ridder@example.com 2001-02-03 04:05:09.000 +07:00    ~    "###);}