// 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::TestEnvironment; #[test]fn test_cat() {    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"), "a\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["new"]);    std::fs::write(repo_path.join("file1"), "b\n").unwrap();    std::fs::create_dir(repo_path.join("dir")).unwrap();    std::fs::write(repo_path.join("dir").join("file2"), "c\n").unwrap();     // Can print the contents of a file in a commit    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file1", "-r", "@-"]);    insta::assert_snapshot!(stdout, @r###"    a    "###);     // Defaults to printing the working-copy version    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file1"]);    insta::assert_snapshot!(stdout, @r###"    b    "###);     // `print` is an alias for `cat`    let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);    insta::assert_snapshot!(stdout, @r###"    b    "###);     // Can print a file in a subdirectory    let subdir_file = if cfg!(unix) {        "dir/file2"    } else {        "dir\\file2"    };    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", subdir_file]);    insta::assert_snapshot!(stdout, @r###"    c    "###);     // Error if the path doesn't exist    let stderr = test_env.jj_cmd_failure(&repo_path, &["cat", "nonexistent"]);    insta::assert_snapshot!(stderr, @r###"    Error: No such path    "###);     // Error if the path is not a file    let stderr = test_env.jj_cmd_failure(&repo_path, &["cat", "dir"]);    insta::assert_snapshot!(stderr, @r###"    Error: Path exists but is not a file    "###);     // Can print a conflict    test_env.jj_cmd_ok(&repo_path, &["new"]);    std::fs::write(repo_path.join("file1"), "c\n").unwrap();    test_env.jj_cmd_ok(&repo_path, &["rebase", "-r", "@", "-d", "@--"]);    let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "file1"]);    insta::assert_snapshot!(stdout, @r###"    <<<<<<<    %%%%%%%    -b    +a    +++++++    c    >>>>>>>    "###);}