jj/tests/test_restore_command.rs

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// Copyright 2022 The Jujutsu Authors
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//
// 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;
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use crate::common::TestEnvironment;
pub mod common;
#[test]
fn test_restore() {
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"), "a\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::write(repo_path.join("file2"), "b\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::remove_file(repo_path.join("file1")).unwrap();
std::fs::write(repo_path.join("file2"), "c\n").unwrap();
std::fs::write(repo_path.join("file3"), "c\n").unwrap();
// Restores from parent by default
let stdout = test_env.jj_cmd_success(&repo_path, &["restore"]);
insta::assert_snapshot!(stdout, @r###"
Created b05f8b84f2fc (no description set)
Working copy now at: b05f8b84f2fc (no description set)
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Added 1 files, modified 1 files, removed 1 files
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @"");
// Can restore from other revision
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--from", "@--"]);
insta::assert_snapshot!(stdout, @r###"
Created 9cb58509136b (no description set)
Working copy now at: 9cb58509136b (no description set)
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Added 1 files, modified 0 files, removed 2 files
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @r###"
R file2
"###);
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// Can restore into other revision
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--to", "@-"]);
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insta::assert_snapshot!(stdout, @r###"
Created 5ed06151e039 (no description set)
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Rebased 1 descendant commits
Working copy now at: ca6c95b68bd2 (no description set)
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"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s", "-r", "@-"]);
insta::assert_snapshot!(stdout, @r###"
R file1
A file2
A file3
"###);
// Can combine `--from` and `--to`
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "--from", "@", "--to", "@-"]);
insta::assert_snapshot!(stdout, @r###"
Created c83e17dc46fd (no description set)
Rebased 1 descendant commits
Working copy now at: df9fb6892f99 (no description set)
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s", "-r", "@-"]);
insta::assert_snapshot!(stdout, @r###"
R file1
A file2
A file3
"###);
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// Can restore only specified paths
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "file2", "file3"]);
insta::assert_snapshot!(stdout, @r###"
Created 28647642d4a5 (no description set)
Working copy now at: 28647642d4a5 (no description set)
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Added 0 files, modified 1 files, removed 1 files
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff", "-s"]);
insta::assert_snapshot!(stdout, @r###"
R file1
"###);
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}
// Much of this test is copied from test_resolve_command
#[test]
fn test_restore_conflicted_merge() {
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");
create_commit(&test_env, &repo_path, "base", &[], &[("file", "base\n")]);
create_commit(&test_env, &repo_path, "a", &["base"], &[("file", "a\n")]);
create_commit(&test_env, &repo_path, "b", &["base"], &[("file", "b\n")]);
create_commit(&test_env, &repo_path, "conflict", &["a", "b"], &[]);
// Test the setup
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ conflict
b
a
base
"###);
insta::assert_snapshot!(
std::fs::read_to_string(repo_path.join("file")).unwrap()
, @r###"
<<<<<<<
%%%%%%%
-base
+a
+++++++
b
>>>>>>>
"###);
// Overwrite the file...
std::fs::write(repo_path.join("file"), "resolution").unwrap();
insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["diff"]),
@r###"
Resolved conflict in file:
1 : <<<<<<<
2 : %%%%%%%
3 : -base
4 : +a
5 : +++++++
6 : b
7 : >>>>>>>
1: resolution
"###);
// ...and restore it back again.
let stdout = test_env.jj_cmd_success(&repo_path, &["restore", "file"]);
insta::assert_snapshot!(stdout, @r###"
Created 63198ca2e4aa conflict
Working copy now at: 63198ca2e4aa conflict
Added 0 files, modified 1 files, removed 0 files
"###);
insta::assert_snapshot!(
std::fs::read_to_string(repo_path.join("file")).unwrap()
, @r###"
<<<<<<<
%%%%%%%
-base
+a
+++++++
b
>>>>>>>
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["diff"]);
insta::assert_snapshot!(stdout, @"");
// The same, but without the `file` argument. Overwrite the file...
std::fs::write(repo_path.join("file"), "resolution").unwrap();
insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["diff"]),
@r###"
Resolved conflict in file:
1 : <<<<<<<
2 : %%%%%%%
3 : -base
4 : +a
5 : +++++++
6 : b
7 : >>>>>>>
1: resolution
"###);
// ... and restore it back again.
let stdout = test_env.jj_cmd_success(&repo_path, &["restore"]);
insta::assert_snapshot!(stdout, @r###"
Created d955febceac1 conflict
Working copy now at: d955febceac1 conflict
Added 0 files, modified 1 files, removed 0 files
"###);
insta::assert_snapshot!(
std::fs::read_to_string(repo_path.join("file")).unwrap()
, @r###"
<<<<<<<
%%%%%%%
-base
+a
+++++++
b
>>>>>>>
"###);
}
fn create_commit(
test_env: &TestEnvironment,
repo_path: &Path,
name: &str,
parents: &[&str],
files: &[(&str, &str)],
) {
if parents.is_empty() {
test_env.jj_cmd_success(repo_path, &["new", "root", "-m", name]);
} else {
let mut args = vec!["new", "-m", name];
args.extend(parents);
test_env.jj_cmd_success(repo_path, &args);
}
for (name, content) in files {
std::fs::write(repo_path.join(name), content).unwrap();
}
test_env.jj_cmd_success(repo_path, &["branch", "create", name]);
}
fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
test_env.jj_cmd_success(repo_path, &["log", "-T", "branches"])
}