jj/tests/test_edit_command.rs
Benjamin Saunders 037eaaf36c repo: forbid checking out the root commit
Prevents `jj edit root` from succeeding, which would otherwise place
the repo in a state where every operation panics.
2022-10-21 10:10:07 -07:00

79 lines
2.8 KiB
Rust

// Copyright 2022 Google LLC
//
// 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::path::Path;
use crate::common::TestEnvironment;
pub mod common;
#[test]
fn test_edit() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
std::fs::write(repo_path.join("file1"), "0").unwrap();
test_env.jj_cmd_success(&repo_path, &["close", "-m", "first"]);
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "second"]);
std::fs::write(repo_path.join("file1"), "1").unwrap();
// Errors out without argument
test_env.jj_cmd_cli_error(&repo_path, &["edit"]);
// Can edit a closed commit
let stdout = test_env.jj_cmd_success(&repo_path, &["edit", "@-"]);
insta::assert_snapshot!(stdout, @r###"
Working copy now at: 5c9d6c787f29 first
Added 0 files, modified 1 files, removed 0 files
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
o 37ed5225d0fd open second
@ 5c9d6c787f29 closed first
o 000000000000 closed (no description set)
"###);
insta::assert_snapshot!(read_file(&repo_path.join("file1")), @"0");
// Changes in the working copy are amended into the commit
std::fs::write(repo_path.join("file2"), "0").unwrap();
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
Rebased 1 descendant commits onto updated working copy
o 57e61f6b2ce1 open second
@ f1b9706b17d0 closed first
o 000000000000 closed (no description set)
"###);
}
fn read_file(path: &Path) -> String {
String::from_utf8(std::fs::read(path).unwrap()).unwrap()
}
fn get_log_output(test_env: &TestEnvironment, cwd: &Path) -> String {
test_env.jj_cmd_success(
cwd,
&[
"log",
"-T",
r#"commit_id.short() " " if(open, "open", "closed") " " description"#,
],
)
}
#[test]
fn test_edit_root() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let stderr = test_env.jj_cmd_failure(&repo_path, &["edit", "root"]);
insta::assert_snapshot!(stderr, @"Error: Cannot rewrite the root commit");
}