forked from mirrors/jj
275 lines
11 KiB
Rust
275 lines
11 KiB
Rust
// Copyright 2022 The Jujutsu Authors
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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 std::path::Path;
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use itertools::Itertools as _;
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use jj_lib::backend::CommitId;
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use crate::common::TestEnvironment;
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#[test]
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fn test_resolution_of_git_tracking_branches() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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test_env.jj_cmd_ok(&repo_path, &["branch", "create", "main"]);
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test_env.jj_cmd_ok(&repo_path, &["describe", "-r", "main", "-m", "old_message"]);
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// Create local-git tracking branch
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "export"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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// Move the local branch somewhere else
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test_env.jj_cmd_ok(&repo_path, &["describe", "-r", "main", "-m", "new_message"]);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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main: qpvuntsm 3af37026 (empty) new_message
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@git (ahead by 1 commits, behind by 1 commits): qpvuntsm hidden 16d541ca (empty) old_message
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"###);
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// Test that we can address both revisions
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let query = |expr| {
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let template = r#"commit_id ++ " " ++ description"#;
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test_env.jj_cmd_success(
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&repo_path,
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&["log", "-r", expr, "-T", template, "--no-graph"],
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)
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};
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insta::assert_snapshot!(query("main"), @r###"
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3af370264cdcbba791762f8ef6bc79b456dcbf3b new_message
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"###);
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insta::assert_snapshot!(query("main@git"), @r###"
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16d541ca40f42baf2dea41aa61a0b5f1cbf1f91b old_message
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"###);
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// Can't be selected by remote_branches()
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insta::assert_snapshot!(query(r#"remote_branches(exact:"main", exact:"git")"#), @"");
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}
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#[test]
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fn test_git_export_conflicting_git_refs() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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test_env.jj_cmd_ok(&repo_path, &["branch", "create", "main"]);
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test_env.jj_cmd_ok(&repo_path, &["branch", "create", "main/sub"]);
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "export"]);
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insta::assert_snapshot!(stdout, @"");
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insta::with_settings!({filters => vec![(": The lock for resource.*", ": ...")]}, {
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insta::assert_snapshot!(stderr, @r###"
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Failed to export some branches:
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main/sub: Failed to set: A lock could not be obtained for reference "refs/heads/main/sub": ...
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Hint: Git doesn't allow a branch name that looks like a parent directory of
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another (e.g. `foo` and `foo/bar`). Try to rename the branches that failed to
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export or their "parent" branches.
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"###);
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});
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}
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#[test]
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fn test_git_export_undo() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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let git_repo = git2::Repository::open(repo_path.join(".jj/repo/store/git")).unwrap();
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test_env.jj_cmd_ok(&repo_path, &["branch", "create", "a"]);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: qpvuntsm 230dd059 (empty) (no description set)
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"###);
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "export"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["log", "-ra@git"]), @r###"
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@ qpvuntsm test.user@example.com 2001-02-03 04:05:07.000 +07:00 a 230dd059
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│ (empty) (no description set)
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~
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"###);
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// Exported refs won't be removed by undoing the export, but the git-tracking
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// branch is. This is the same as remote-tracking branches.
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["op", "undo"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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insta::assert_debug_snapshot!(get_git_repo_refs(&git_repo), @r###"
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[
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(
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"refs/heads/a",
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CommitId(
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"230dd059e1b059aefc0da06a2e5a7dbf22362f22",
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),
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),
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]
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"###);
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insta::assert_snapshot!(test_env.jj_cmd_failure(&repo_path, &["log", "-ra@git"]), @r###"
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Error: Revision "a@git" doesn't exist
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Hint: Did you mean "a"?
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"###);
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// This would re-export branch "a" and create git-tracking branch.
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "export"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["log", "-ra@git"]), @r###"
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@ qpvuntsm test.user@example.com 2001-02-03 04:05:07.000 +07:00 a 230dd059
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│ (empty) (no description set)
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~
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"###);
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}
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#[test]
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fn test_git_import_undo() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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let git_repo = git2::Repository::open(repo_path.join(".jj/repo/store/git")).unwrap();
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// Create branch "a" in git repo
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let commit_id =
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test_env.jj_cmd_success(&repo_path, &["log", "-Tcommit_id", "--no-graph", "-r@"]);
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let commit = git_repo
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.find_commit(git2::Oid::from_str(&commit_id).unwrap())
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.unwrap();
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git_repo.branch("a", &commit, true).unwrap();
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// Initial state we will return to after `undo`. There are no branches.
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
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let base_operation_id = test_env.current_operation_id(&repo_path);
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "import"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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branch: a [new] tracked
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"###);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: qpvuntsm 230dd059 (empty) (no description set)
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@git: qpvuntsm 230dd059 (empty) (no description set)
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"###);
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// "git import" can be undone by default.
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["op", "restore", &base_operation_id]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
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// Try "git import" again, which should re-import the branch "a".
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "import"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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branch: a [new] tracked
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"###);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: qpvuntsm 230dd059 (empty) (no description set)
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@git: qpvuntsm 230dd059 (empty) (no description set)
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"###);
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}
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#[test]
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fn test_git_import_move_export_with_default_undo() {
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let test_env = TestEnvironment::default();
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test_env.jj_cmd_ok(test_env.env_root(), &["init", "repo", "--git"]);
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let repo_path = test_env.env_root().join("repo");
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let git_repo = git2::Repository::open(repo_path.join(".jj/repo/store/git")).unwrap();
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// Create branch "a" in git repo
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let commit_id =
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test_env.jj_cmd_success(&repo_path, &["log", "-Tcommit_id", "--no-graph", "-r@"]);
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let commit = git_repo
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.find_commit(git2::Oid::from_str(&commit_id).unwrap())
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.unwrap();
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git_repo.branch("a", &commit, true).unwrap();
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// Initial state we will try to return to after `op restore`. There are no
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// branches.
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
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let base_operation_id = test_env.current_operation_id(&repo_path);
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "import"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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branch: a [new] tracked
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"###);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: qpvuntsm 230dd059 (empty) (no description set)
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@git: qpvuntsm 230dd059 (empty) (no description set)
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"###);
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// Move branch "a" and export to git repo
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test_env.jj_cmd_ok(&repo_path, &["new"]);
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test_env.jj_cmd_ok(&repo_path, &["branch", "set", "a"]);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: yqosqzyt 096dc80d (empty) (no description set)
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@git (behind by 1 commits): qpvuntsm 230dd059 (empty) (no description set)
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"###);
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "export"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @"");
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: yqosqzyt 096dc80d (empty) (no description set)
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@git: yqosqzyt 096dc80d (empty) (no description set)
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"###);
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// "git import" can be undone with the default `restore` behavior, as shown in
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// the previous test. However, "git export" can't: the branches in the git
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// repo stay where they were.
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["op", "restore", &base_operation_id]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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Working copy now at: qpvuntsm 230dd059 (empty) (no description set)
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Parent commit : zzzzzzzz 00000000 (empty) (no description set)
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"###);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
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insta::assert_debug_snapshot!(get_git_repo_refs(&git_repo), @r###"
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[
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(
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"refs/heads/a",
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CommitId(
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"096dc80da67094fbaa6683e2a205dddffa31f9a8",
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),
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),
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]
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"###);
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// The last branch "a" state is imported from git. No idea what's the most
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// intuitive result here.
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let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["git", "import"]);
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insta::assert_snapshot!(stdout, @"");
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insta::assert_snapshot!(stderr, @r###"
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branch: a [new] tracked
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"###);
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insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
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a: yqosqzyt 096dc80d (empty) (no description set)
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@git: yqosqzyt 096dc80d (empty) (no description set)
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"###);
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}
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fn get_branch_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
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test_env.jj_cmd_success(repo_path, &["branch", "list", "--all"])
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}
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fn get_git_repo_refs(git_repo: &git2::Repository) -> Vec<(String, CommitId)> {
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let mut refs: Vec<_> = git_repo
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.references()
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.unwrap()
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.filter_ok(|git_ref| git_ref.is_tag() || git_ref.is_branch() || git_ref.is_remote())
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.filter_map_ok(|git_ref| {
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let full_name = git_ref.name()?.to_owned();
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let git_commit = git_ref.peel_to_commit().ok()?;
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let commit_id = CommitId::from_bytes(git_commit.id().as_bytes());
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Some((full_name, commit_id))
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})
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.try_collect()
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.unwrap();
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refs.sort();
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refs
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}
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