jj/tests/test_new_command.rs

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// 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 std::path::Path;
use crate::common::TestEnvironment;
pub mod common;
#[test]
fn test_new() {
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");
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "add a file"]);
test_env.jj_cmd_success(&repo_path, &["new", "-m", "a new commit"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 4f2d6e0a3482a6a34e4856a4a63869c0df109e79 a new commit
5d5c60b2aa96b8dbf55710656c50285c66cdcd74 add a file
0000000000000000000000000000000000000000
"###);
// Start a new change off of a specific commit (the root commit in this case).
test_env.jj_cmd_success(&repo_path, &["new", "-m", "off of root", "root"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 026537ddb96b801b9cb909985d5443aab44616c1 off of root
4f2d6e0a3482a6a34e4856a4a63869c0df109e79 a new commit
5d5c60b2aa96b8dbf55710656c50285c66cdcd74 add a file
0000000000000000000000000000000000000000
"###);
}
#[test]
fn test_new_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");
test_env.jj_cmd_success(&repo_path, &["branch", "create", "main"]);
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "add file1"]);
std::fs::write(repo_path.join("file1"), "a").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "root", "-m", "add file2"]);
std::fs::write(repo_path.join("file2"), "b").unwrap();
// Create a merge commit
test_env.jj_cmd_success(&repo_path, &["new", "main", "@"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 0c4e5b9b68ae0cbe7ce3c61042619513d09005bf
f399209d9dda06e8a25a0c8e9a0cde9f421ff35d add file2
38e8e2f6c92ffb954961fc391b515ff551b41636 add file1
0000000000000000000000000000000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
insta::assert_snapshot!(stdout, @"a");
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2"]);
insta::assert_snapshot!(stdout, @"b");
// Same test with `jj merge`
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["merge", "main", "@"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 200ed1a14c8acf09783dafefe5bebf2ff58f12fd
f399209d9dda06e8a25a0c8e9a0cde9f421ff35d add file2
38e8e2f6c92ffb954961fc391b515ff551b41636 add file1
0000000000000000000000000000000000000000
"###);
// `jj merge` with less than two arguments is an error
let stderr = test_env.jj_cmd_cli_error(&repo_path, &["merge"]);
insta::assert_snapshot!(stderr, @r###"
Error: Merge requires at least two revisions
"###);
let stderr = test_env.jj_cmd_cli_error(&repo_path, &["merge", "main"]);
insta::assert_snapshot!(stderr, @r###"
Error: Merge requires at least two revisions
"###);
// merge with non-unique revisions
let stderr = test_env.jj_cmd_failure(&repo_path, &["new", "@", "200e"]);
insta::assert_snapshot!(stderr, @r###"
Error: More than one revset resolved to revision 200ed1a14c8a
"###);
// merge with root
let stderr = test_env.jj_cmd_failure(&repo_path, &["new", "@", "root"]);
insta::assert_snapshot!(stderr, @r###"
Error: Cannot merge with root revision
"###);
}
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#[test]
fn test_new_insert_after() {
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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
let stdout =
test_env.jj_cmd_success(&repo_path, &["new", "--insert-after", "-m", "G", "B", "D"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 2 descendant commits
Working copy now at: ca7c6481a8dd G
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
C
F
@ G
E
D
B
A
root
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"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["new", "--insert-after", "-m", "H", "D"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 3 descendant commits
Working copy now at: fcf8281b4135 H
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
C
F
G
@ H
E
D
B
A
root
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"###);
}
#[test]
fn test_new_insert_after_children() {
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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
// Check that inserting G after A and C doesn't try to rebase B (which is
// initially a child of A) onto G as that would create a cycle since B is
// a parent of C which is a parent G.
let stdout =
test_env.jj_cmd_success(&repo_path, &["new", "--insert-after", "-m", "G", "A", "C"]);
insta::assert_snapshot!(stdout, @r###"
Working copy now at: b48d4d73a39c G
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ G
F
E
D
C
B
A
root
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"###);
}
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#[test]
fn test_new_insert_before() {
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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
let stdout =
test_env.jj_cmd_success(&repo_path, &["new", "--insert-before", "-m", "G", "C", "F"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 2 descendant commits
Working copy now at: ff6bbbc7b8df G
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
F
C
@ G
E
D
B
A
root
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"###);
}
#[test]
fn test_new_insert_before_root_successors() {
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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
let stdout =
test_env.jj_cmd_success(&repo_path, &["new", "--insert-before", "-m", "G", "A", "D"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 5 descendant commits
Working copy now at: 3654197754f8 G
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
F
C
B
D
A
@ G
E
root
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"###);
}
#[test]
fn test_new_insert_before_no_loop() {
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");
setup_before_insertion(&test_env, &repo_path);
let template = r#"commit_id.short() ++ " " ++ if(description, description, "root")"#;
let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-T", template]);
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insta::assert_snapshot!(stdout, @r###"
@ 7705d353bf5d F
41a89ffcbba2 E
c9257eff5bf9 D
ec18c57d72d8 C
6041917ceeb5 B
65b1ef43c737 A
000000000000 root
2023-01-31 19:01:44 +00:00
"###);
let stderr =
test_env.jj_cmd_failure(&repo_path, &["new", "--insert-before", "-m", "G", "A", "C"]);
insta::assert_snapshot!(stderr, @r###"
Error: Refusing to create a loop: commit 6041917ceeb5 would be both an ancestor and a descendant of the new commit
"###);
}
#[test]
fn test_new_insert_before_no_root_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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
let stdout =
test_env.jj_cmd_success(&repo_path, &["new", "--insert-before", "-m", "G", "B", "D"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 4 descendant commits
Working copy now at: bf9fc49331de G
"###);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
F
C
D
B
@ G
E
A
root
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"###);
}
#[test]
fn test_new_insert_before_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");
setup_before_insertion(&test_env, &repo_path);
insta::assert_snapshot!(get_short_log_output(&test_env, &repo_path), @r###"
@ F
E
D
C
B
A
root
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"###);
let stderr =
test_env.jj_cmd_failure(&repo_path, &["new", "--insert-before", "-m", "G", "root"]);
insta::assert_snapshot!(stderr, @r###"
Error: Cannot insert a commit before the root commit
"###);
}
fn setup_before_insertion(test_env: &TestEnvironment, repo_path: &Path) {
test_env.jj_cmd_success(repo_path, &["branch", "create", "A"]);
test_env.jj_cmd_success(repo_path, &["commit", "-m", "A"]);
test_env.jj_cmd_success(repo_path, &["branch", "create", "B"]);
test_env.jj_cmd_success(repo_path, &["commit", "-m", "B"]);
test_env.jj_cmd_success(repo_path, &["branch", "create", "C"]);
test_env.jj_cmd_success(repo_path, &["describe", "-m", "C"]);
test_env.jj_cmd_success(repo_path, &["new", "-m", "D", "root"]);
test_env.jj_cmd_success(repo_path, &["branch", "create", "D"]);
test_env.jj_cmd_success(repo_path, &["new", "-m", "E", "root"]);
test_env.jj_cmd_success(repo_path, &["branch", "create", "E"]);
test_env.jj_cmd_success(repo_path, &["new", "-m", "F", "D", "E"]);
test_env.jj_cmd_success(repo_path, &["branch", "create", "F"]);
}
fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
let template = r#"commit_id ++ " " ++ description"#;
test_env.jj_cmd_success(repo_path, &["log", "-T", template])
}
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fn get_short_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
let template = r#"if(description, description, "root")"#;
test_env.jj_cmd_success(repo_path, &["log", "-T", template])
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}