mirror of
https://github.com/martinvonz/jj.git
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509 lines
11 KiB
Rust
509 lines
11 KiB
Rust
// Copyright 2021 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 jujutsu_lib::backend::{Conflict, ConflictPart, TreeValue};
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use jujutsu_lib::conflicts::{materialize_conflict, parse_conflict, update_conflict_from_content};
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use jujutsu_lib::files::MergeHunk;
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use jujutsu_lib::repo_path::RepoPath;
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use jujutsu_lib::testutils;
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#[test]
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fn test_materialize_conflict_basic() {
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let settings = testutils::user_settings();
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let test_repo = testutils::init_repo(&settings, false);
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let store = test_repo.repo.store();
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let path = RepoPath::from_internal_string("file");
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let base_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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line 3
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line 4
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line 5
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",
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);
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let left_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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left
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line 4
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line 5
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",
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);
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let right_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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right
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line 4
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line 5
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",
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);
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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: base_id,
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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: left_id,
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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: right_id,
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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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let mut result: Vec<u8> = vec![];
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materialize_conflict(store, &path, &conflict, &mut result).unwrap();
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assert_eq!(
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String::from_utf8(result).unwrap().as_str(),
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"line 1
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line 2
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<<<<<<<
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-------
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+++++++
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-line 3
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+left
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+++++++
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right
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>>>>>>>
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line 4
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line 5
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"
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);
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}
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#[test]
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fn test_materialize_conflict_modify_delete() {
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let settings = testutils::user_settings();
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let test_repo = testutils::init_repo(&settings, false);
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let store = test_repo.repo.store();
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let path = RepoPath::from_internal_string("file");
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let base_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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line 3
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line 4
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line 5
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",
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);
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let left_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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left
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line 4
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line 5
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",
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);
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let right_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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line 4
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line 5
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",
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);
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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: base_id,
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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: left_id,
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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: right_id,
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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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let mut result: Vec<u8> = vec![];
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materialize_conflict(store, &path, &conflict, &mut result).unwrap();
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assert_eq!(
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String::from_utf8(result).unwrap().as_str(),
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"line 1
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line 2
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<<<<<<<
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-------
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+++++++
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-line 3
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+left
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+++++++
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>>>>>>>
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line 4
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line 5
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"
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);
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}
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#[test]
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fn test_materialize_conflict_delete_modify() {
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let settings = testutils::user_settings();
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let test_repo = testutils::init_repo(&settings, false);
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let store = test_repo.repo.store();
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let path = RepoPath::from_internal_string("file");
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let base_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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line 3
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line 4
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line 5
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",
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);
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let left_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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line 4
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line 5
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",
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);
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let right_id = testutils::write_file(
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store,
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&path,
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"line 1
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line 2
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right
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line 4
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line 5
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",
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);
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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: base_id,
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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: left_id,
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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: right_id,
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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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let mut result: Vec<u8> = vec![];
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materialize_conflict(store, &path, &conflict, &mut result).unwrap();
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assert_eq!(
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String::from_utf8(result).unwrap().as_str(),
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"line 1
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line 2
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<<<<<<<
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-------
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+++++++
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-line 3
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+++++++
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right
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>>>>>>>
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line 4
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line 5
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"
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);
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}
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#[test]
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fn test_parse_conflict_resolved() {
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assert_eq!(
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parse_conflict(
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b"line 1
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line 2
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line 3
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line 4
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line 5
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",
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1,
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2
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),
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None
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)
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}
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#[test]
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fn test_parse_conflict_simple() {
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assert_eq!(
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parse_conflict(
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b"line 1
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<<<<<<<
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-------
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+++++++
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line 2
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-line 3
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+left
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line 4
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+++++++
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right
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>>>>>>>
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line 5
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",
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1,
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2
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),
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Some(vec![
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MergeHunk::Resolved(b"line 1\n".to_vec()),
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MergeHunk::Conflict {
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removes: vec![b"line 2\nline 3\nline 4\n".to_vec()],
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adds: vec![b"line 2\nleft\nline 4\n".to_vec(), b"right\n".to_vec()]
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},
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MergeHunk::Resolved(b"line 5\n".to_vec())
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])
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)
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}
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#[test]
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fn test_parse_conflict_multi_way() {
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assert_eq!(
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parse_conflict(
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b"line 1
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<<<<<<<
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-------
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+++++++
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line 2
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-line 3
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+left
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line 4
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+++++++
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right
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-------
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+++++++
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line 2
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+forward
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line 3
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line 4
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>>>>>>>
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line 5
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",
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2,
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3
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),
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Some(vec![
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MergeHunk::Resolved(b"line 1\n".to_vec()),
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MergeHunk::Conflict {
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removes: vec![
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b"line 2\nline 3\nline 4\n".to_vec(),
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b"line 2\nline 3\nline 4\n".to_vec()
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],
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adds: vec![
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b"line 2\nleft\nline 4\n".to_vec(),
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b"right\n".to_vec(),
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b"line 2\nforward\nline 3\nline 4\n".to_vec()
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]
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},
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MergeHunk::Resolved(b"line 5\n".to_vec())
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])
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)
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}
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#[test]
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fn test_parse_conflict_different_wrong_arity() {
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assert_eq!(
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parse_conflict(
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b"line 1
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<<<<<<<
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-------
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+++++++
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line 2
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-line 3
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+left
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line 4
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+++++++
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right
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>>>>>>>
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line 5
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",
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2,
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3
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),
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None
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)
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}
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#[test]
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fn test_parse_conflict_malformed_marker() {
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// The conflict marker is missing `-------` and `+++++++` (it needs at least one
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// of them)
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assert_eq!(
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parse_conflict(
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b"line 1
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<<<<<<<
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line 2
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-line 3
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+left
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line 4
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+++++++
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right
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>>>>>>>
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line 5
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",
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1,
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2
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),
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None
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)
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}
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#[test]
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fn test_parse_conflict_malformed_diff() {
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// The diff part is invalid (missing space before "line 4")
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assert_eq!(
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parse_conflict(
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b"line 1
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<<<<<<<
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-------
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+++++++
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line 2
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-line 3
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+left
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line 4
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+++++++
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right
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>>>>>>>
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line 5
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",
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1,
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2
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),
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None
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)
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}
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#[test]
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fn test_update_conflict_from_content() {
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let settings = testutils::user_settings();
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let test_repo = testutils::init_repo(&settings, false);
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let store = test_repo.repo.store();
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let path = RepoPath::from_internal_string("dir/file");
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let base_file_id = testutils::write_file(store, &path, "line 1\nline 2\nline 3\n");
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let left_file_id = testutils::write_file(store, &path, "left 1\nline 2\nleft 3\n");
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let right_file_id = testutils::write_file(store, &path, "right 1\nline 2\nright 3\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: base_file_id,
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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: left_file_id,
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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: right_file_id,
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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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let conflict_id = store.write_conflict(&conflict).unwrap();
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// If the content is unchanged compared to the materialized value, we get the
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// old conflict id back.
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let mut materialized = vec![];
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materialize_conflict(store, &path, &conflict, &mut materialized).unwrap();
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let result = update_conflict_from_content(store, &path, &conflict_id, &materialized).unwrap();
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assert_eq!(result, Some(conflict_id.clone()));
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// If the conflict is resolved, we None back to indicate that.
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let result = update_conflict_from_content(
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store,
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&path,
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&conflict_id,
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b"resolved 1\nline 2\nresolved 3\n",
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)
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.unwrap();
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assert_eq!(result, None);
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// If the conflict is partially resolved, we get a new conflict back.
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let result = update_conflict_from_content(store, &path, &conflict_id, b"resolved 1\nline 2\n<<<<<<<\n-------\n+++++++\n-line 3\n+left 3\n+++++++\nright 3\n>>>>>>>\n").unwrap();
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assert_ne!(result, None);
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assert_ne!(result, Some(conflict_id));
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let new_conflict = store.read_conflict(&result.unwrap()).unwrap();
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// Calculate expected new FileIds
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let new_base_file_id = testutils::write_file(store, &path, "resolved 1\nline 2\nline 3\n");
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let new_left_file_id = testutils::write_file(store, &path, "resolved 1\nline 2\nleft 3\n");
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let new_right_file_id = testutils::write_file(store, &path, "resolved 1\nline 2\nright 3\n");
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assert_eq!(
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new_conflict,
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Conflict {
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removes: vec![ConflictPart {
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value: TreeValue::Normal {
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id: new_base_file_id,
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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: new_left_file_id,
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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: new_right_file_id,
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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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)
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}
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