jj/tests/test_squash_command.rs
Yuya Nishihara f8d56e816d cli: print parent commit summary on checkout
On "jj checkout", description of the working-copy commit is empty, and the
working-copy parent provides more information. It might be a bit verbose to
print parent summary on every history rewriting, but I think that's okay.
2023-05-02 15:04:13 +09:00

387 lines
15 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 std::path::Path;
use crate::common::{get_stderr_string, get_stdout_string, TestEnvironment};
pub mod common;
#[test]
fn test_squash() {
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", "a"]);
std::fs::write(repo_path.join("file1"), "a\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "b"]);
std::fs::write(repo_path.join("file1"), "b\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "c"]);
std::fs::write(repo_path.join("file1"), "c\n").unwrap();
// Test the setup
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 90fe0a96fc90 c
◉ fa5efbdf533c b
◉ 90aeefd03044 a
◉ 000000000000
"###);
// Squashes the working copy into the parent by default
let stdout = test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(stdout, @r###"
Working copy now at: b9280a9898cb (no description set)
Parent commit : 6ca29c9d2e7c (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ b9280a9898cb
◉ 6ca29c9d2e7c b c
◉ 90aeefd03044 a
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
insta::assert_snapshot!(stdout, @r###"
c
"###);
// Can squash a given commit into its parent
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["squash", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 1 descendant commits
Working copy now at: e87cf8ebc7e1 (no description set)
Parent commit : 893c93ae2a87 (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ e87cf8ebc7e1 c
◉ 893c93ae2a87 a b
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1"]);
insta::assert_snapshot!(stdout, @r###"
c
"###);
// Cannot squash a merge commit (because it's unclear which parent it should go
// into)
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["edit", "b"]);
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "d"]);
std::fs::write(repo_path.join("file2"), "d\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new", "c", "d"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "e"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ c7a11b36d333 e
├─╮
◉ │ 5658521e0f8b d
│ ◉ 90fe0a96fc90 c
├─╯
◉ fa5efbdf533c b
◉ 90aeefd03044 a
◉ 000000000000
"###);
let stderr = test_env.jj_cmd_failure(&repo_path, &["squash"]);
insta::assert_snapshot!(stderr, @r###"
Error: Cannot squash merge commits
"###);
// Can squash into a merge commit
test_env.jj_cmd_success(&repo_path, &["co", "e"]);
std::fs::write(repo_path.join("file1"), "e\n").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(stdout, @r###"
Working copy now at: 959145c11426 (no description set)
Parent commit : 80960125bb96 (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 959145c11426
◉ 80960125bb96 e
├─╮
◉ │ 5658521e0f8b d
│ ◉ 90fe0a96fc90 c
├─╯
◉ fa5efbdf533c b
◉ 90aeefd03044 a
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "e"]);
insta::assert_snapshot!(stdout, @r###"
e
"###);
}
#[test]
fn test_squash_partial() {
let mut 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", "a"]);
std::fs::write(repo_path.join("file1"), "a\n").unwrap();
std::fs::write(repo_path.join("file2"), "a\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "b"]);
std::fs::write(repo_path.join("file1"), "b\n").unwrap();
std::fs::write(repo_path.join("file2"), "b\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "create", "c"]);
std::fs::write(repo_path.join("file1"), "c\n").unwrap();
std::fs::write(repo_path.join("file2"), "c\n").unwrap();
// Test the setup
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ d989314f3df0 c
◉ 2a2d19a3283f b
◉ 47a1e795d146 a
◉ 000000000000
"###);
// If we don't make any changes in the diff-editor, the whole change is moved
// into the parent
let edit_script = test_env.set_up_fake_diff_editor();
let stdout = test_env.jj_cmd_success(&repo_path, &["squash", "-r", "b", "-i"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 1 descendant commits
Working copy now at: f03d5ce4a973 (no description set)
Parent commit : c9f931cd78af (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ f03d5ce4a973 c
◉ c9f931cd78af a b
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "a"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
// Can squash only some changes in interactive mode
test_env.jj_cmd_success(&repo_path, &["undo"]);
std::fs::write(&edit_script, "reset file1").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["squash", "-r", "b", "-i"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 1 descendant commits
Working copy now at: e7a40106bee6 (no description set)
Parent commit : 05d951646873 (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ e7a40106bee6 c
◉ 05d951646873 b
◉ 0c5ddc685260 a
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "a"]);
insta::assert_snapshot!(stdout, @r###"
a
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "a"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
// Can squash only some changes in non-interactive mode
test_env.jj_cmd_success(&repo_path, &["undo"]);
// Clear the script so we know it won't be used even without -i
std::fs::write(&edit_script, "").unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["squash", "-r", "b", "file2"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 1 descendant commits
Working copy now at: a911fa1d0627 (no description set)
Parent commit : fb73ad17899f (no description set)
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ a911fa1d0627 c
◉ fb73ad17899f b
◉ 70621f4c7a42 a
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "a"]);
insta::assert_snapshot!(stdout, @r###"
a
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "a"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file1", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["print", "file2", "-r", "b"]);
insta::assert_snapshot!(stdout, @r###"
b
"###);
// If we specify only a non-existent file, then the squash still succeeds and
// creates unchanged commits.
test_env.jj_cmd_success(&repo_path, &["undo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["squash", "-r", "b", "nonexistent"]);
insta::assert_snapshot!(stdout, @r###"
Rebased 1 descendant commits
Working copy now at: 5e297967f76c (no description set)
Parent commit : ac2586097a71 (no description set)
"###);
// We get a warning if we pass a positional argument that looks like a revset
test_env.jj_cmd_success(&repo_path, &["undo"]);
let assert = test_env
.jj_cmd(&repo_path, &["squash", "b"])
.assert()
.success();
insta::assert_snapshot!(get_stderr_string(&assert), @r###"
warning: The argument "b" is being interpreted as a path. To specify a revset, pass -r "b" instead.
"###);
insta::assert_snapshot!(get_stdout_string(&assert), @r###"
Working copy now at: 1c4e5596a511 (no description set)
Parent commit : 16cc94b4efe9 (no description set)
"###);
}
fn get_log_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
let template = r#"commit_id.short() ++ " " ++ branches"#;
test_env.jj_cmd_success(repo_path, &["log", "-T", template])
}
#[test]
fn test_squash_description() {
let mut 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 edit_script = test_env.set_up_fake_editor();
std::fs::write(&edit_script, r#"fail"#).unwrap();
// If both descriptions are empty, the resulting description is empty
std::fs::write(repo_path.join("file1"), "a\n").unwrap();
std::fs::write(repo_path.join("file2"), "a\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["new"]);
std::fs::write(repo_path.join("file1"), "b\n").unwrap();
std::fs::write(repo_path.join("file2"), "b\n").unwrap();
test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @"");
// If the destination's description is empty and the source's description is
// non-empty, the resulting description is from the source
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "source"]);
test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
source
"###);
// If the destination description is non-empty and the source's description is
// empty, the resulting description is from the destination
test_env.jj_cmd_success(&repo_path, &["op", "restore", "@--"]);
test_env.jj_cmd_success(&repo_path, &["describe", "@-", "-m", "destination"]);
test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
destination
"###);
// An explicit description on the command-line overrides this
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["squash", "-m", "custom"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
custom
"###);
// If both descriptions were non-empty, we get asked for a combined description
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "source"]);
std::fs::write(&edit_script, "dump editor0").unwrap();
test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
destination
source
"###);
insta::assert_snapshot!(
std::fs::read_to_string(test_env.env_root().join("editor0")).unwrap(), @r###"
JJ: Enter a description for the combined commit.
JJ: Description from the destination commit:
destination
JJ: Description from the source commit:
source
JJ: Lines starting with "JJ: " (like this one) will be removed.
"###);
// An explicit description on the command-line overrides prevents launching an
// editor
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["squash", "-m", "custom"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
custom
"###);
// If the source's *content* doesn't become empty, then the source remains and
// both descriptions are unchanged
test_env.jj_cmd_success(&repo_path, &["undo"]);
test_env.jj_cmd_success(&repo_path, &["squash", "file1"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
destination
"###);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@"), @r###"
source
"###);
}
#[test]
fn test_squash_empty() {
let mut 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, &["commit", "-m", "parent"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(stdout, @r###"
Working copy now at: e45abe2cd9a9 (no description set)
Parent commit : 1265289bbbbf parent
"###);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
parent
"###);
test_env.jj_cmd_success(&repo_path, &["describe", "-m", "child"]);
test_env.set_up_fake_editor();
test_env.jj_cmd_success(&repo_path, &["squash"]);
insta::assert_snapshot!(get_description(&test_env, &repo_path, "@-"), @r###"
parent
child
"###);
}
fn get_description(test_env: &TestEnvironment, repo_path: &Path, rev: &str) -> String {
test_env.jj_cmd_success(
repo_path,
&["log", "--no-graph", "-T", "description", "-r", rev],
)
}