mirror of
https://github.com/martinvonz/jj.git
synced 2024-10-24 15:43:12 +00:00
4db3d8d3a6
Mercurial's "phase" concept is important for evolution, and it's also useful for filtering out uninteresting commits from log output. Commits are typically marked "public" when they are pushed to a remote. The CLI prevents public commits from being rewritten. Public commits cannot be obsolete (even if they have a successor, they won't be considered obsolete like non-public commits would). This commits just makes space for tracking the public heads in the View.
511 lines
20 KiB
Rust
511 lines
20 KiB
Rust
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use jujube_lib::commit_builder::CommitBuilder;
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use jujube_lib::repo::Repo;
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use jujube_lib::repo_path::FileRepoPath;
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use jujube_lib::store::{Conflict, ConflictId, ConflictPart, TreeValue};
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use jujube_lib::store_wrapper::StoreWrapper;
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use jujube_lib::testutils;
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use std::collections::HashSet;
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use std::sync::Arc;
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use test_case::test_case;
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// TODO Many of the tests here are not run with Git because they end up creating
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// two commits with the same contents.
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_open(use_git: bool) {
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// Test that Transaction::check_out() uses the requested commit if it's open
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let requested_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let actual_checkout = tx.check_out(&settings, &requested_checkout);
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assert_eq!(actual_checkout.id(), requested_checkout.id());
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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assert_eq!(repo.view().checkout(), actual_checkout.id());
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_closed(use_git: bool) {
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// Test that Transaction::check_out() creates a child if the requested commit is
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// closed
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let requested_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(false)
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let actual_checkout = tx.check_out(&settings, &requested_checkout);
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assert_eq!(actual_checkout.tree().id(), requested_checkout.tree().id());
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assert_eq!(actual_checkout.parents().len(), 1);
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assert_eq!(actual_checkout.parents()[0].id(), requested_checkout.id());
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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assert_eq!(repo.view().checkout(), actual_checkout.id());
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_open_with_conflict(use_git: bool) {
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// Test that Transaction::check_out() creates a successor if the requested
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// commit is open and has conflicts
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let store = repo.store();
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let file_path = FileRepoPath::from("file");
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let conflict_id = write_conflict(store, &file_path);
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let mut tree_builder = repo
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.store()
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.tree_builder(repo.store().empty_tree_id().clone());
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tree_builder.set(file_path.to_repo_path(), TreeValue::Conflict(conflict_id));
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let tree_id = tree_builder.write_tree();
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let mut tx = repo.start_transaction("test");
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let requested_checkout = CommitBuilder::for_new_commit(&settings, store, tree_id)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let actual_checkout = tx.check_out(&settings, &requested_checkout);
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let file_value = actual_checkout.tree().path_value(&file_path.to_repo_path());
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match file_value {
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Some(TreeValue::Normal {
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id: _,
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executable: false,
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}) => {}
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_ => panic!("unexpected tree value: {:?}", file_value),
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}
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assert_eq!(actual_checkout.predecessors().len(), 1);
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assert_eq!(
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actual_checkout.predecessors()[0].id(),
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requested_checkout.id()
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);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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assert_eq!(repo.view().checkout(), actual_checkout.id());
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_closed_with_conflict(use_git: bool) {
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// Test that Transaction::check_out() creates a child if the requested commit is
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// closed and has conflicts
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let store = repo.store();
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let file_path = FileRepoPath::from("file");
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let conflict_id = write_conflict(store, &file_path);
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let mut tree_builder = repo
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.store()
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.tree_builder(repo.store().empty_tree_id().clone());
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tree_builder.set(file_path.to_repo_path(), TreeValue::Conflict(conflict_id));
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let tree_id = tree_builder.write_tree();
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let mut tx = repo.start_transaction("test");
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let requested_checkout = CommitBuilder::for_new_commit(&settings, store, tree_id)
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.set_open(false)
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let actual_checkout = tx.check_out(&settings, &requested_checkout);
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let file_value = actual_checkout.tree().path_value(&file_path.to_repo_path());
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match file_value {
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Some(TreeValue::Normal {
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id: _,
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executable: false,
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}) => {}
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_ => panic!("unexpected tree value: {:?}", file_value),
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}
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assert_eq!(actual_checkout.parents().len(), 1);
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assert_eq!(actual_checkout.parents()[0].id(), requested_checkout.id());
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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assert_eq!(repo.view().checkout(), actual_checkout.id());
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}
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fn write_conflict(store: &Arc<StoreWrapper>, file_path: &FileRepoPath) -> ConflictId {
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let file_id1 = testutils::write_file(store, &file_path, "a\n");
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let file_id2 = testutils::write_file(store, &file_path, "b\n");
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let file_id3 = testutils::write_file(store, &file_path, "c\n");
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let conflict = Conflict {
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removes: vec![ConflictPart {
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value: TreeValue::Normal {
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id: file_id1,
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executable: false,
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},
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}],
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adds: vec![
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ConflictPart {
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value: TreeValue::Normal {
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id: file_id2,
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executable: false,
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},
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},
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ConflictPart {
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value: TreeValue::Normal {
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id: file_id3,
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executable: false,
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},
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},
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],
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};
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store.write_conflict(&conflict).unwrap()
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_previous_not_empty(use_git: bool) {
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// Test that Transaction::check_out() does not usually prune the previous
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// commit.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let old_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &old_checkout);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let new_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &new_checkout);
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assert!(!tx.as_repo().evolution().is_obsolete(old_checkout.id()));
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tx.discard();
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_previous_empty(use_git: bool) {
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// Test that Transaction::check_out() prunes the previous commit if it was
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// empty.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let old_checkout = CommitBuilder::for_open_commit(
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&settings,
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repo.store(),
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repo.store().root_commit_id().clone(),
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repo.store().empty_tree_id().clone(),
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)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &old_checkout);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let new_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &new_checkout);
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assert!(tx.as_repo().evolution().is_obsolete(old_checkout.id()));
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tx.discard();
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_previous_empty_and_obsolete(use_git: bool) {
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// Test that Transaction::check_out() does not unnecessarily prune the previous
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// commit if it was empty but already obsolete.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let old_checkout = CommitBuilder::for_open_commit(
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&settings,
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repo.store(),
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repo.store().root_commit_id().clone(),
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repo.store().empty_tree_id().clone(),
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)
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.write_to_transaction(&mut tx);
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let successor = CommitBuilder::for_rewrite_from(&settings, repo.store(), &old_checkout)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &old_checkout);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let new_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &new_checkout);
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let successors = tx.as_repo().evolution().successors(old_checkout.id());
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assert_eq!(successors.len(), 1);
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assert_eq!(successors.iter().next().unwrap(), successor.id());
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tx.discard();
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_checkout_previous_empty_and_pruned(use_git: bool) {
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// Test that Transaction::check_out() does not unnecessarily prune the previous
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// commit if it was empty but already obsolete.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let old_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.set_pruned(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &old_checkout);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let new_checkout = testutils::create_random_commit(&settings, &repo)
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.set_open(true)
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.write_to_transaction(&mut tx);
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tx.check_out(&settings, &new_checkout);
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assert!(tx
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.as_repo()
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.evolution()
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.successors(old_checkout.id())
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.is_empty());
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tx.discard();
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_add_head_success(use_git: bool) {
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// Test that Transaction::add_head() adds the head, and that it's still there
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// after commit.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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// Create a commit outside of the repo by using a temporary transaction. Then
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// add that as a head.
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let mut tx = repo.start_transaction("test");
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let new_commit =
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testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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tx.discard();
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let mut tx = repo.start_transaction("test");
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(!heads.contains(new_commit.id()));
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tx.add_head(&new_commit);
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(heads.contains(new_commit.id()));
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let heads: HashSet<_> = repo.view().heads().cloned().collect();
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assert!(heads.contains(new_commit.id()));
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_add_head_ancestor(use_git: bool) {
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// Test that Transaction::add_head() does not add a head if it's an ancestor of
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// an existing head.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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let commit2 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit1.id().clone()])
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.write_to_transaction(&mut tx);
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let _commit3 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit2.id().clone()])
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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tx.add_head(&commit1);
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(!heads.contains(commit1.id()));
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tx.discard();
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_remove_head(use_git: bool) {
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// Test that Transaction::remove_head() removes the head, and that it's still
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// removed after commit.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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let commit2 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit1.id().clone()])
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.write_to_transaction(&mut tx);
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let commit3 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit2.id().clone()])
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.write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(heads.contains(commit3.id()));
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tx.remove_head(&commit3);
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(!heads.contains(commit3.id()));
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assert!(!heads.contains(commit2.id()));
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assert!(!heads.contains(commit1.id()));
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let heads: HashSet<_> = repo.view().heads().cloned().collect();
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assert!(!heads.contains(commit3.id()));
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assert!(!heads.contains(commit2.id()));
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assert!(!heads.contains(commit1.id()));
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_remove_head_ancestor_git_ref(use_git: bool) {
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// Test that Transaction::remove_head() does not leave the view with a git ref
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// pointing to a commit that's not reachable by any head.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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let commit2 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit1.id().clone()])
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.write_to_transaction(&mut tx);
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let commit3 = testutils::create_random_commit(&settings, &repo)
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.set_parents(vec![commit2.id().clone()])
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.write_to_transaction(&mut tx);
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tx.insert_git_ref("refs/heads/main".to_string(), commit1.id().clone());
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(heads.contains(commit3.id()));
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tx.remove_head(&commit3);
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let heads: HashSet<_> = tx.as_repo().view().heads().cloned().collect();
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assert!(!heads.contains(commit3.id()));
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assert!(!heads.contains(commit2.id()));
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assert!(heads.contains(commit1.id()));
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let heads: HashSet<_> = repo.view().heads().cloned().collect();
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assert!(!heads.contains(commit3.id()));
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assert!(!heads.contains(commit2.id()));
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assert!(heads.contains(commit1.id()));
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}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_add_public_head(use_git: bool) {
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// Test that Transaction::add_public_head() adds the head, and that it's still
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// there after commit.
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let settings = testutils::user_settings();
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let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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let mut tx = repo.start_transaction("test");
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let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let mut tx = repo.start_transaction("test");
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let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
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assert!(!public_heads.contains(commit1.id()));
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tx.add_public_head(&commit1);
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let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
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assert!(public_heads.contains(commit1.id()));
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tx.commit();
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Arc::get_mut(&mut repo).unwrap().reload();
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let public_heads: HashSet<_> = repo.view().public_heads().cloned().collect();
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assert!(public_heads.contains(commit1.id()));
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|
}
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#[test_case(false ; "local store")]
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// #[test_case(true ; "git store")]
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fn test_add_public_head_ancestor(use_git: bool) {
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// Test that Transaction::add_public_head() does not add a public head if it's
|
|
// an ancestor of an existing public head.
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|
let settings = testutils::user_settings();
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|
let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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|
|
|
let mut tx = repo.start_transaction("test");
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|
let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
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|
let commit2 = testutils::create_random_commit(&settings, &repo)
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|
.set_parents(vec![commit1.id().clone()])
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.write_to_transaction(&mut tx);
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tx.add_public_head(&commit2);
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|
tx.commit();
|
|
Arc::get_mut(&mut repo).unwrap().reload();
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|
|
|
let mut tx = repo.start_transaction("test");
|
|
let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
|
|
assert!(!public_heads.contains(commit1.id()));
|
|
tx.add_public_head(&commit1);
|
|
let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
|
|
assert!(!public_heads.contains(commit1.id()));
|
|
tx.commit();
|
|
Arc::get_mut(&mut repo).unwrap().reload();
|
|
let public_heads: HashSet<_> = repo.view().public_heads().cloned().collect();
|
|
assert!(!public_heads.contains(commit1.id()));
|
|
}
|
|
|
|
#[test_case(false ; "local store")]
|
|
// #[test_case(true ; "git store")]
|
|
fn test_remove_public_head(use_git: bool) {
|
|
// Test that Transaction::remove_public_head() removes the head, and that it's
|
|
// still removed after commit.
|
|
let settings = testutils::user_settings();
|
|
let (_temp_dir, mut repo) = testutils::init_repo(&settings, use_git);
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|
|
|
let mut tx = repo.start_transaction("test");
|
|
let commit1 = testutils::create_random_commit(&settings, &repo).write_to_transaction(&mut tx);
|
|
tx.add_public_head(&commit1);
|
|
tx.commit();
|
|
Arc::get_mut(&mut repo).unwrap().reload();
|
|
|
|
let mut tx = repo.start_transaction("test");
|
|
let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
|
|
assert!(public_heads.contains(commit1.id()));
|
|
tx.remove_public_head(&commit1);
|
|
let public_heads: HashSet<_> = tx.as_repo().view().public_heads().cloned().collect();
|
|
assert!(!public_heads.contains(commit1.id()));
|
|
tx.commit();
|
|
Arc::get_mut(&mut repo).unwrap().reload();
|
|
let public_heads: HashSet<_> = repo.view().public_heads().cloned().collect();
|
|
assert!(!public_heads.contains(commit1.id()));
|
|
}
|