mirror of
https://github.com/martinvonz/jj.git
synced 2024-10-24 23:47:22 +00:00
eed0b23009
We want to allow customization of the revset engine, so it can query server indexes, for example. The current revset implementation will be our default implementation for now. What's left in the `revset` module after this commit is mostly parsing code.
432 lines
16 KiB
Rust
432 lines
16 KiB
Rust
// Copyright 2021 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 itertools::Itertools;
|
|
use jujutsu_lib::default_revset_engine::revset_for_commits;
|
|
use jujutsu_lib::repo::Repo;
|
|
use jujutsu_lib::revset_graph_iterator::{RevsetGraphEdge, RevsetGraphIterator};
|
|
use test_case::test_case;
|
|
use testutils::{CommitGraphBuilder, TestRepo};
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_linearized(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that a fork and a merge becomes a single edge:
|
|
// D
|
|
// |\ D
|
|
// b c => :
|
|
// |/ A
|
|
// A ~
|
|
// |
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_c = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_b, &commit_c]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_root = repo
|
|
.index()
|
|
.commit_id_to_pos(repo.store().root_commit_id())
|
|
.unwrap();
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(&repo, &[&commit_a, &commit_d]);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 2);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_d.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_a.id());
|
|
assert_eq!(commits[0].1, vec![RevsetGraphEdge::indirect(pos_a)]);
|
|
assert_eq!(commits[1].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
}
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_virtual_octopus(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that merges outside the set can result in more parent edges than there
|
|
// was in the input:
|
|
//
|
|
// F
|
|
// |\
|
|
// d e F
|
|
// |\|\ => /|\
|
|
// A B C A B C
|
|
// \|/ ~ ~ ~
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.initial_commit();
|
|
let commit_c = graph_builder.initial_commit();
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_a, &commit_b]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_b, &commit_c]);
|
|
let commit_f = graph_builder.commit_with_parents(&[&commit_d, &commit_e]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_root = repo
|
|
.index()
|
|
.commit_id_to_pos(repo.store().root_commit_id())
|
|
.unwrap();
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
let pos_b = repo.index().commit_id_to_pos(commit_b.id()).unwrap();
|
|
let pos_c = repo.index().commit_id_to_pos(commit_c.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(&repo, &[&commit_a, &commit_b, &commit_c, &commit_f]);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 4);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_f.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_c.id());
|
|
assert_eq!(commits[2].0.commit_id(), *commit_b.id());
|
|
assert_eq!(commits[3].0.commit_id(), *commit_a.id());
|
|
assert_eq!(
|
|
commits[0].1,
|
|
vec![
|
|
RevsetGraphEdge::indirect(pos_c),
|
|
RevsetGraphEdge::indirect(pos_b),
|
|
RevsetGraphEdge::indirect(pos_a),
|
|
]
|
|
);
|
|
assert_eq!(commits[1].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
assert_eq!(commits[2].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
assert_eq!(commits[3].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
}
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_simple_fork(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that the branch with "C" gets emitted correctly:
|
|
// E
|
|
// |
|
|
// d
|
|
// | C E C
|
|
// |/ |/
|
|
// b => A
|
|
// | ~
|
|
// A
|
|
// |
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_c = graph_builder.commit_with_parents(&[&commit_b]);
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_b]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_d]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_root = repo
|
|
.index()
|
|
.commit_id_to_pos(repo.store().root_commit_id())
|
|
.unwrap();
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(&repo, &[&commit_a, &commit_c, &commit_e]);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 3);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_e.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_c.id());
|
|
assert_eq!(commits[2].0.commit_id(), *commit_a.id());
|
|
assert_eq!(commits[0].1, vec![RevsetGraphEdge::indirect(pos_a)]);
|
|
assert_eq!(commits[1].1, vec![RevsetGraphEdge::indirect(pos_a)]);
|
|
assert_eq!(commits[2].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
}
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_multiple_missing(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that we get missing edges to "a" and "c" and not just one missing edge
|
|
// to the root.
|
|
// F
|
|
// / \ F
|
|
// d e => /|\
|
|
// |\ /| ~ B ~
|
|
// a B c ~
|
|
// \|/
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.initial_commit();
|
|
let commit_c = graph_builder.initial_commit();
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_a, &commit_b]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_b, &commit_c]);
|
|
let commit_f = graph_builder.commit_with_parents(&[&commit_d, &commit_e]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_root = repo
|
|
.index()
|
|
.commit_id_to_pos(repo.store().root_commit_id())
|
|
.unwrap();
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
let pos_b = repo.index().commit_id_to_pos(commit_b.id()).unwrap();
|
|
let pos_c = repo.index().commit_id_to_pos(commit_c.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(&repo, &[&commit_b, &commit_f]);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 2);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_f.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_b.id());
|
|
assert_eq!(
|
|
commits[0].1,
|
|
vec![
|
|
RevsetGraphEdge::missing(pos_c),
|
|
RevsetGraphEdge::indirect(pos_b),
|
|
RevsetGraphEdge::missing(pos_a),
|
|
]
|
|
);
|
|
assert_eq!(commits[1].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
}
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_edge_to_ancestor(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that we get both an edge from F to D and to D's ancestor C if we keep
|
|
// transitive edges and only the edge from F to D if we skip transitive
|
|
// edges:
|
|
// F F
|
|
// |\ |\
|
|
// D e D :
|
|
// |\| => |\:
|
|
// b C ~ C
|
|
// | ~
|
|
// a
|
|
// |
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.initial_commit();
|
|
let commit_c = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_b, &commit_c]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_c]);
|
|
let commit_f = graph_builder.commit_with_parents(&[&commit_d, &commit_e]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
let pos_b = repo.index().commit_id_to_pos(commit_b.id()).unwrap();
|
|
let pos_c = repo.index().commit_id_to_pos(commit_c.id()).unwrap();
|
|
let pos_d = repo.index().commit_id_to_pos(commit_d.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(&repo, &[&commit_c, &commit_d, &commit_f]);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 3);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_f.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_d.id());
|
|
assert_eq!(commits[2].0.commit_id(), *commit_c.id());
|
|
if skip_transitive_edges {
|
|
assert_eq!(commits[0].1, vec![RevsetGraphEdge::direct(pos_d)]);
|
|
} else {
|
|
assert_eq!(
|
|
commits[0].1,
|
|
vec![
|
|
RevsetGraphEdge::direct(pos_d),
|
|
RevsetGraphEdge::indirect(pos_c),
|
|
]
|
|
);
|
|
}
|
|
assert_eq!(
|
|
commits[1].1,
|
|
vec![
|
|
RevsetGraphEdge::direct(pos_c),
|
|
RevsetGraphEdge::missing(pos_b),
|
|
]
|
|
);
|
|
assert_eq!(commits[2].1, vec![RevsetGraphEdge::missing(pos_a)]);
|
|
}
|
|
|
|
#[test_case(false ; "keep transitive edges")]
|
|
#[test_case(true ; "skip transitive edges")]
|
|
fn test_graph_iterator_edge_escapes_from_(skip_transitive_edges: bool) {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests a more complex case for skipping transitive edges.
|
|
// J
|
|
// /|
|
|
// | i J
|
|
// | |\ /:
|
|
// | | H | H
|
|
// G | | G :
|
|
// | e f => : D
|
|
// | \|\ :/
|
|
// | D | A
|
|
// \ / c |
|
|
// b / root
|
|
// |/
|
|
// A
|
|
// |
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_c = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_b]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_d]);
|
|
let commit_f = graph_builder.commit_with_parents(&[&commit_d, &commit_c]);
|
|
let commit_g = graph_builder.commit_with_parents(&[&commit_b]);
|
|
let commit_h = graph_builder.commit_with_parents(&[&commit_f]);
|
|
let commit_i = graph_builder.commit_with_parents(&[&commit_e, &commit_h]);
|
|
let commit_j = graph_builder.commit_with_parents(&[&commit_g, &commit_i]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_root = repo
|
|
.index()
|
|
.commit_id_to_pos(repo.store().root_commit_id())
|
|
.unwrap();
|
|
let pos_a = repo.index().commit_id_to_pos(commit_a.id()).unwrap();
|
|
let pos_d = repo.index().commit_id_to_pos(commit_d.id()).unwrap();
|
|
let pos_g = repo.index().commit_id_to_pos(commit_g.id()).unwrap();
|
|
let pos_h = repo.index().commit_id_to_pos(commit_h.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(
|
|
&repo,
|
|
&[&commit_a, &commit_d, &commit_g, &commit_h, &commit_j],
|
|
);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.set_skip_transitive_edges(skip_transitive_edges)
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 5);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_j.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_h.id());
|
|
assert_eq!(commits[2].0.commit_id(), *commit_g.id());
|
|
assert_eq!(commits[3].0.commit_id(), *commit_d.id());
|
|
assert_eq!(commits[4].0.commit_id(), *commit_a.id());
|
|
if skip_transitive_edges {
|
|
assert_eq!(
|
|
commits[0].1,
|
|
vec![
|
|
RevsetGraphEdge::indirect(pos_h),
|
|
RevsetGraphEdge::direct(pos_g)
|
|
]
|
|
);
|
|
assert_eq!(commits[1].1, vec![RevsetGraphEdge::indirect(pos_d)]);
|
|
} else {
|
|
assert_eq!(
|
|
commits[0].1,
|
|
vec![
|
|
RevsetGraphEdge::indirect(pos_h),
|
|
RevsetGraphEdge::direct(pos_g),
|
|
RevsetGraphEdge::indirect(pos_d),
|
|
]
|
|
);
|
|
assert_eq!(
|
|
commits[1].1,
|
|
vec![
|
|
RevsetGraphEdge::indirect(pos_d),
|
|
RevsetGraphEdge::indirect(pos_a)
|
|
]
|
|
);
|
|
}
|
|
assert_eq!(commits[2].1, vec![RevsetGraphEdge::indirect(pos_a)]);
|
|
assert_eq!(commits[3].1, vec![RevsetGraphEdge::indirect(pos_a)]);
|
|
assert_eq!(commits[4].1, vec![RevsetGraphEdge::missing(pos_root)]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_reverse_graph_iterator() {
|
|
let settings = testutils::user_settings();
|
|
let test_repo = TestRepo::init(true);
|
|
let repo = &test_repo.repo;
|
|
|
|
// Tests that merges, forks, direct edges, indirect edges, and "missing" edges
|
|
// are correct in reversed graph. "Missing" edges (i.e. edges to commits not
|
|
// in the input set) won't be part of the reversed graph. Conversely, there
|
|
// won't be missing edges to children not in the input.
|
|
//
|
|
// F
|
|
// |\
|
|
// D E
|
|
// |/
|
|
// C
|
|
// |
|
|
// b
|
|
// |
|
|
// A
|
|
// |
|
|
// root
|
|
let mut tx = repo.start_transaction(&settings, "test");
|
|
let mut graph_builder = CommitGraphBuilder::new(&settings, tx.mut_repo());
|
|
let commit_a = graph_builder.initial_commit();
|
|
let commit_b = graph_builder.commit_with_parents(&[&commit_a]);
|
|
let commit_c = graph_builder.commit_with_parents(&[&commit_b]);
|
|
let commit_d = graph_builder.commit_with_parents(&[&commit_c]);
|
|
let commit_e = graph_builder.commit_with_parents(&[&commit_c]);
|
|
let commit_f = graph_builder.commit_with_parents(&[&commit_d, &commit_e]);
|
|
let repo = tx.commit();
|
|
|
|
let pos_c = repo.index().commit_id_to_pos(commit_c.id()).unwrap();
|
|
let pos_d = repo.index().commit_id_to_pos(commit_d.id()).unwrap();
|
|
let pos_e = repo.index().commit_id_to_pos(commit_e.id()).unwrap();
|
|
let pos_f = repo.index().commit_id_to_pos(commit_f.id()).unwrap();
|
|
|
|
let revset = revset_for_commits(
|
|
&repo,
|
|
&[&commit_a, &commit_c, &commit_d, &commit_e, &commit_f],
|
|
);
|
|
let commits = RevsetGraphIterator::new(revset.as_ref())
|
|
.reversed()
|
|
.collect_vec();
|
|
assert_eq!(commits.len(), 5);
|
|
assert_eq!(commits[0].0.commit_id(), *commit_a.id());
|
|
assert_eq!(commits[1].0.commit_id(), *commit_c.id());
|
|
assert_eq!(commits[2].0.commit_id(), *commit_d.id());
|
|
assert_eq!(commits[3].0.commit_id(), *commit_e.id());
|
|
assert_eq!(commits[4].0.commit_id(), *commit_f.id());
|
|
assert_eq!(commits[0].1, vec![RevsetGraphEdge::indirect(pos_c)]);
|
|
assert_eq!(
|
|
commits[1].1,
|
|
vec![
|
|
RevsetGraphEdge::direct(pos_e),
|
|
RevsetGraphEdge::direct(pos_d),
|
|
]
|
|
);
|
|
assert_eq!(commits[2].1, vec![RevsetGraphEdge::direct(pos_f)]);
|
|
assert_eq!(commits[3].1, vec![RevsetGraphEdge::direct(pos_f)]);
|
|
assert_eq!(commits[4].1, vec![]);
|
|
}
|