jj/cli/tests/test_cat_command.rs
Yuya Nishihara c147125ce9 cli: migrate "cat" to matcher API, warn unmatched paths
This is the last non-debug command that doesn't support file patterns. It
wouldn't make much sense to "cat" multiple files (despite the command name),
but doing that should be harmless.
2024-04-16 10:12:31 +09:00

123 lines
3.9 KiB
Rust

// 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: nonexistent
"###);
// Can print files under the specified directory
let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "dir"]);
insta::assert_snapshot!(stdout, @r###"
c
"###);
// Can print multiple files
let stdout = test_env.jj_cmd_success(&repo_path, &["cat", "."]);
insta::assert_snapshot!(stdout, @r###"
c
b
"###);
// Unmatched paths should generate warnings
let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["cat", "file1", "non-existent"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
insta::assert_snapshot!(stderr, @r###"
Warning: No matching entries for paths: non-existent
"###);
// 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
>>>>>>>
"###);
}
#[cfg(unix)]
#[test]
fn test_cat_symlink() {
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("file1"), "a\n").unwrap();
std::fs::create_dir(repo_path.join("dir")).unwrap();
std::fs::write(repo_path.join("dir").join("file2"), "c\n").unwrap();
std::os::unix::fs::symlink("symlink1_target", repo_path.join("symlink1")).unwrap();
// Can print multiple files
let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["cat", "."]);
insta::assert_snapshot!(stdout, @r###"
c
a
"###);
insta::assert_snapshot!(stderr, @r###"
Warning: Path exists but is not a file: symlink1
"###);
}