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jj/tests/test_branch_command.rs
2023-07-28 22:30:40 -07:00

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Rust

// Copyright 2022 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::path::Path;
use crate::common::TestEnvironment;
pub mod common;
#[test]
fn test_branch_multiple_names() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let (stdout, stderr) = test_env.jj_cmd_ok(&repo_path, &["branch", "set", "foo", "bar"]);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(stderr, @r###"
warning: Updating multiple branches (2).
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar foo 230dd059e1b0
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "delete", "foo", "bar", "foo"]);
insta::assert_snapshot!(stdout, @r###"
Deleted 2 branches.
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ 230dd059e1b0
◉ 000000000000
"###);
}
#[test]
fn test_branch_forbidden_at_root() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let stderr = test_env.jj_cmd_failure(&repo_path, &["branch", "create", "fred", "-r=root"]);
insta::assert_snapshot!(stderr, @r###"
Error: Cannot rewrite the root commit
"###);
}
#[test]
fn test_branch_empty_name() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let stderr = test_env.jj_cmd_cli_error(&repo_path, &["branch", "create", ""]);
insta::assert_snapshot!(stderr, @r###"
error: a value is required for '<NAMES>...' but none was supplied
For more information, try '--help'.
"###);
}
#[test]
fn test_branch_forget_glob() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-1"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "bar-2"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-3"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-4"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 foo-1 foo-3 foo-4 230dd059e1b0
◉ 000000000000
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "forget", "--glob", "foo-[1-3]"]);
insta::assert_snapshot!(stdout, @r###"
Forgot 2 branches.
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 foo-4 230dd059e1b0
◉ 000000000000
"###);
// Forgetting a branch via both explicit name and glob pattern, or with
// multiple glob patterns, shouldn't produce an error.
let stdout = test_env.jj_cmd_success(
&repo_path,
&[
"branch", "forget", "foo-4", "--glob", "foo-*", "--glob", "foo-*",
],
);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 230dd059e1b0
◉ 000000000000
"###);
// Malformed glob
let stderr = test_env.jj_cmd_failure(&repo_path, &["branch", "forget", "--glob", "foo-[1-3"]);
insta::assert_snapshot!(stderr, @r###"
Error: Failed to compile glob: Pattern syntax error near position 4: invalid range pattern
"###);
// We get an error if none of the globs match anything
let stderr = test_env.jj_cmd_failure(
&repo_path,
&[
"branch",
"forget",
"--glob=bar*",
"--glob=baz*",
"--glob=boom*",
],
);
insta::assert_snapshot!(stderr, @r###"
Error: The provided globs 'baz*', 'boom*' did not match any branches
"###);
}
#[test]
fn test_branch_delete_glob() {
// Set up a git repo with a branch and a jj repo that has it as a remote.
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let git_repo_path = test_env.env_root().join("git-repo");
let git_repo = git2::Repository::init_bare(git_repo_path).unwrap();
let mut tree_builder = git_repo.treebuilder(None).unwrap();
let file_oid = git_repo.blob(b"content").unwrap();
tree_builder
.insert("file", file_oid, git2::FileMode::Blob.into())
.unwrap();
test_env.jj_cmd_success(
&repo_path,
&["git", "remote", "add", "origin", "../git-repo"],
);
test_env.jj_cmd_success(&repo_path, &["describe", "-m=commit"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-1"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "bar-2"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-3"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo-4"]);
// Push to create remote-tracking branches
test_env.jj_cmd_success(&repo_path, &["git", "push", "--all"]);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 foo-1 foo-3 foo-4 6fbf398c2d59
~
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "delete", "--glob", "foo-[1-3]"]);
insta::assert_snapshot!(stdout, @r###"
Deleted 2 branches.
"###);
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 foo-1@origin foo-3@origin foo-4 6fbf398c2d59
~
"###);
// We get an error if none of the globs match live branches. Unlike `jj branch
// forget`, it's not allowed to delete already deleted branches.
let stderr = test_env.jj_cmd_failure(&repo_path, &["branch", "delete", "--glob=foo-[1-3]"]);
insta::assert_snapshot!(stderr, @r###"
Error: The provided glob 'foo-[1-3]' did not match any branches
"###);
// Deleting a branch via both explicit name and glob pattern, or with
// multiple glob patterns, shouldn't produce an error.
let stdout = test_env.jj_cmd_success(
&repo_path,
&[
"branch", "delete", "foo-4", "--glob", "foo-*", "--glob", "foo-*",
],
);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(get_log_output(&test_env, &repo_path), @r###"
@ bar-2 foo-1@origin foo-3@origin foo-4@origin 6fbf398c2d59
~
"###);
// The deleted branches are still there
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
bar-2: 6fbf398c2d59 commit
foo-1 (deleted)
@origin: 6fbf398c2d59 commit
(this branch will be *deleted permanently* on the remote on the
next `jj git push`. Use `jj branch forget` to prevent this)
foo-3 (deleted)
@origin: 6fbf398c2d59 commit
(this branch will be *deleted permanently* on the remote on the
next `jj git push`. Use `jj branch forget` to prevent this)
foo-4 (deleted)
@origin: 6fbf398c2d59 commit
(this branch will be *deleted permanently* on the remote on the
next `jj git push`. Use `jj branch forget` to prevent this)
"###);
// Malformed glob
let stderr = test_env.jj_cmd_failure(&repo_path, &["branch", "delete", "--glob", "foo-[1-3"]);
insta::assert_snapshot!(stderr, @r###"
Error: Failed to compile glob: Pattern syntax error near position 4: invalid range pattern
"###);
}
#[test]
fn test_branch_forget_export() {
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
test_env.jj_cmd_success(&repo_path, &["new"]);
test_env.jj_cmd_success(&repo_path, &["branch", "set", "foo"]);
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "list"]);
insta::assert_snapshot!(stdout, @r###"
foo: 65b6b74e0897 (no description set)
"###);
// Exporting the branch to git creates a local-git tracking branch
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "export"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "forget", "foo"]);
insta::assert_snapshot!(stdout, @"");
// Forgetting a branch does not delete its local-git tracking branch. The
// git-tracking branch is kept.
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "list"]);
insta::assert_snapshot!(stdout, @r###"
foo (forgotten)
@git: 65b6b74e0897 (no description set)
(this branch will be deleted from the underlying Git repo on the next `jj git export`)
"###);
let stderr = test_env.jj_cmd_failure(&repo_path, &["log", "-r=foo", "--no-graph"]);
insta::assert_snapshot!(stderr, @r###"
Error: Revision "foo" doesn't exist
Hint: Did you mean "foo@git"?
"###);
let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-r=foo@git", "--no-graph"]);
insta::assert_snapshot!(stdout, @r###"
rlvkpnrzqnoo test.user@example.com 2001-02-03 04:05:08.000 +07:00 foo@git 65b6b74e0897
(empty) (no description set)
"###);
// The presence of the @git branch means that a `jj git import` is a no-op...
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "import"]);
insta::assert_snapshot!(stdout, @r###"
Nothing changed.
"###);
// ... and a `jj git export` will delete the branch from git and will delete the
// git-tracking branch. In a colocated repo, this will happen automatically
// immediately after a `jj branch forget`. This is demonstrated in
// `test_git_colocated_branch_forget` in test_git_colocated.rs
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "export"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "list"]);
insta::assert_snapshot!(stdout, @"");
// Note that if `jj branch forget` *did* delete foo@git, a subsequent `jj
// git export` would be a no-op and a `jj git import` would resurrect
// the branch. In a normal repo, that might be OK. In a colocated repo,
// this would automatically happen before the next command, making `jj
// branch forget` useless.
}
#[test]
fn test_branch_forget_fetched_branch() {
// Much of this test is borrowed from `test_git_fetch_remote_only_branch` in
// test_git_fetch.rs
// Set up a git repo with a branch and a jj repo that has it as a remote.
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let git_repo_path = test_env.env_root().join("git-repo");
let git_repo = git2::Repository::init_bare(git_repo_path).unwrap();
let signature =
git2::Signature::new("Some One", "some.one@example.com", &git2::Time::new(0, 0)).unwrap();
let mut tree_builder = git_repo.treebuilder(None).unwrap();
let file_oid = git_repo.blob(b"content").unwrap();
tree_builder
.insert("file", file_oid, git2::FileMode::Blob.into())
.unwrap();
let tree_oid = tree_builder.write().unwrap();
let tree = git_repo.find_tree(tree_oid).unwrap();
test_env.jj_cmd_success(
&repo_path,
&["git", "remote", "add", "origin", "../git-repo"],
);
// Create a commit and a branch in the git repo
let first_git_repo_commit = git_repo
.commit(
Some("refs/heads/feature1"),
&signature,
&signature,
"message",
&tree,
&[],
)
.unwrap();
// Fetch normally
test_env.jj_cmd_success(&repo_path, &["git", "fetch", "--remote=origin"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
feature1: 9f01a0e04879 message
"###);
// TEST 1: with export-import
// Forget the branch
test_env.jj_cmd_success(&repo_path, &["branch", "forget", "feature1"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
// At this point `jj git export && jj git import` does *not* recreate the
// branch. This behavior is important in colocated repos, as otherwise a
// forgotten branch would be immediately resurrected.
//
// Technically, this is because `jj branch forget` preserved
// the ref in jj view's `git_refs` tracking the local git repo's remote-tracking
// branch.
// TODO: Show that jj git push is also a no-op
insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["git", "export"]), @"");
insta::assert_snapshot!(test_env.jj_cmd_success(&repo_path, &["git", "import"]), @r###"
Nothing changed.
"###);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
// We can fetch feature1 again.
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "fetch", "--remote=origin"]);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
feature1: 9f01a0e04879 message
"###);
// TEST 2: No export/import (otherwise the same as test 1)
test_env.jj_cmd_success(&repo_path, &["branch", "forget", "feature1"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
// Fetch works even without the export-import
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "fetch", "--remote=origin"]);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
feature1: 9f01a0e04879 message
"###);
// TEST 3: fetch branch that was moved & forgotten
// Move the branch in the git repo.
git_repo
.commit(
Some("refs/heads/feature1"),
&signature,
&signature,
"another message",
&tree,
&[&git_repo.find_commit(first_git_repo_commit).unwrap()],
)
.unwrap();
let stdout = test_env.jj_cmd_success(&repo_path, &["branch", "forget", "feature1"]);
insta::assert_snapshot!(stdout, @"");
// Fetching a moved branch does not create a conflict
let stdout = test_env.jj_cmd_success(&repo_path, &["git", "fetch", "--remote=origin"]);
insta::assert_snapshot!(stdout, @"");
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
feature1: 38aefb173976 another message
"###);
}
#[test]
fn test_branch_forget_deleted_or_nonexistent_branch() {
// Much of this test is borrowed from `test_git_fetch_remote_only_branch` in
// test_git_fetch.rs
// ======== Beginning of test setup ========
// Set up a git repo with a branch and a jj repo that has it as a remote.
let test_env = TestEnvironment::default();
test_env.jj_cmd_success(test_env.env_root(), &["init", "repo", "--git"]);
let repo_path = test_env.env_root().join("repo");
let git_repo_path = test_env.env_root().join("git-repo");
let git_repo = git2::Repository::init_bare(git_repo_path).unwrap();
let signature =
git2::Signature::new("Some One", "some.one@example.com", &git2::Time::new(0, 0)).unwrap();
let mut tree_builder = git_repo.treebuilder(None).unwrap();
let file_oid = git_repo.blob(b"content").unwrap();
tree_builder
.insert("file", file_oid, git2::FileMode::Blob.into())
.unwrap();
let tree_oid = tree_builder.write().unwrap();
let tree = git_repo.find_tree(tree_oid).unwrap();
test_env.jj_cmd_success(
&repo_path,
&["git", "remote", "add", "origin", "../git-repo"],
);
// Create a commit and a branch in the git repo
git_repo
.commit(
Some("refs/heads/feature1"),
&signature,
&signature,
"message",
&tree,
&[],
)
.unwrap();
// Fetch and then delete the branch
test_env.jj_cmd_success(&repo_path, &["git", "fetch", "--remote=origin"]);
test_env.jj_cmd_success(&repo_path, &["branch", "delete", "feature1"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @r###"
feature1 (deleted)
@origin: 9f01a0e04879 message
(this branch will be *deleted permanently* on the remote on the
next `jj git push`. Use `jj branch forget` to prevent this)
"###);
// ============ End of test setup ============
// We can forget a deleted branch
test_env.jj_cmd_success(&repo_path, &["branch", "forget", "feature1"]);
insta::assert_snapshot!(get_branch_output(&test_env, &repo_path), @"");
// Can't forget a non-existent branch
let stderr = test_env.jj_cmd_failure(&repo_path, &["branch", "forget", "i_do_not_exist"]);
insta::assert_snapshot!(stderr, @r###"
Error: No such branch: i_do_not_exist
"###);
}
// TODO: Test `jj branch list` with a remote named `git`
#[test]
fn test_branch_list_filtered_by_revset() {
let test_env = TestEnvironment::default();
// Initialize remote refs
test_env.jj_cmd_success(test_env.env_root(), &["init", "remote", "--git"]);
let remote_path = test_env.env_root().join("remote");
for branch in ["remote-keep", "remote-delete", "remote-rewrite"] {
test_env.jj_cmd_success(&remote_path, &["new", "root", "-m", branch]);
test_env.jj_cmd_success(&remote_path, &["branch", "set", branch]);
}
test_env.jj_cmd_success(&remote_path, &["new"]);
test_env.jj_cmd_success(&remote_path, &["git", "export"]);
// Initialize local refs
let mut remote_git_path = remote_path;
remote_git_path.extend([".jj", "repo", "store", "git"]);
test_env.jj_cmd_success(
test_env.env_root(),
&["git", "clone", remote_git_path.to_str().unwrap(), "local"],
);
let local_path = test_env.env_root().join("local");
test_env.jj_cmd_success(&local_path, &["new", "root", "-m", "local-keep"]);
test_env.jj_cmd_success(&local_path, &["branch", "set", "local-keep"]);
// Mutate refs in local repository
test_env.jj_cmd_success(&local_path, &["branch", "delete", "remote-delete"]);
test_env.jj_cmd_success(&local_path, &["describe", "-mrewritten", "remote-rewrite"]);
let template = r#"separate(" ", commit_id.short(), branches, if(hidden, "(hidden)"))"#;
insta::assert_snapshot!(
test_env.jj_cmd_success(
&local_path,
&["log", "-r::(branches() | remote_branches())", "-T", template],
),
@r###"
◉ e31634b64294 remote-rewrite*
│ @ c7b4c09cd77c local-keep
├─╯
│ ◉ 3e9a5af6ef15 remote-rewrite@origin (hidden)
├─╯
│ ◉ 911e912015fb remote-keep
├─╯
│ ◉ dad5f298ca57 remote-delete@origin
├─╯
◉ 000000000000
"###);
// All branches are listed by default.
insta::assert_snapshot!(test_env.jj_cmd_success(&local_path, &["branch", "list"]), @r###"
local-keep: c7b4c09cd77c local-keep
remote-delete (deleted)
@origin: dad5f298ca57 remote-delete
(this branch will be *deleted permanently* on the remote on the
next `jj git push`. Use `jj branch forget` to prevent this)
remote-keep: 911e912015fb remote-keep
remote-rewrite: e31634b64294 rewritten
@origin (ahead by 1 commits, behind by 1 commits): 3e9a5af6ef15 remote-rewrite
"###);
let query = |revset| test_env.jj_cmd_success(&local_path, &["branch", "list", "-r", revset]);
let query_error =
|revset| test_env.jj_cmd_failure(&local_path, &["branch", "list", "-r", revset]);
// "all()" doesn't include deleted branches since they have no local targets.
// So "all()" is identical to "branches()".
insta::assert_snapshot!(query("all()"), @r###"
local-keep: c7b4c09cd77c local-keep
remote-keep: 911e912015fb remote-keep
remote-rewrite: e31634b64294 rewritten
@origin (ahead by 1 commits, behind by 1 commits): 3e9a5af6ef15 remote-rewrite
"###);
// Exclude remote-only branches. "remote-rewrite@origin" is included since
// local "remote-rewrite" target matches.
insta::assert_snapshot!(query("branches()"), @r###"
local-keep: c7b4c09cd77c local-keep
remote-keep: 911e912015fb remote-keep
remote-rewrite: e31634b64294 rewritten
@origin (ahead by 1 commits, behind by 1 commits): 3e9a5af6ef15 remote-rewrite
"###);
// Select branches by name.
insta::assert_snapshot!(query("branches(remote-rewrite)"), @r###"
remote-rewrite: e31634b64294 rewritten
@origin (ahead by 1 commits, behind by 1 commits): 3e9a5af6ef15 remote-rewrite
"###);
// Can't select deleted branch.
insta::assert_snapshot!(query("branches(remote-delete)"), @r###"
"###);
insta::assert_snapshot!(query_error("remote-delete"), @r###"
Error: Revision "remote-delete" doesn't exist
Hint: Did you mean "remote-delete@origin", "remote-keep", "remote-rewrite", "remote-rewrite@origin"?
"###);
}
fn get_log_output(test_env: &TestEnvironment, cwd: &Path) -> String {
let template = r#"branches ++ " " ++ commit_id.short()"#;
test_env.jj_cmd_success(cwd, &["log", "-T", template])
}
fn get_branch_output(test_env: &TestEnvironment, repo_path: &Path) -> String {
test_env.jj_cmd_success(repo_path, &["branch", "list"])
}