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tests: add test for successful push

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I think I had not added tests for successful push before because I
thought there was some issue with testing it with libgit2. There *is*
an issue, which is that libgit2 requires the remote to be bare when
it's on local disk, but we can very easily make the git repo bare in
this test.

I also updated the error handling in the `git` module to not let
follow-on errors hide the real error and to not fail if two branches
moved to the same commit.
This commit is contained in:
Martin von Zweigbergk 2022-07-01 19:50:51 -07:00 committed by Martin von Zweigbergk
parent d767bab2c5
commit 3aaeca9e1c
2 changed files with 68 additions and 3 deletions
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9
lib/src/git.rs
View File

@ -390,7 +390,14 @@ pub fn push_updates(
for mut temp_ref in temp_refs {
// TODO: Figure out how to do the equivalent of absl::Cleanup for
// temp_ref.delete().
temp_ref.delete()?;
if let Err(err) = temp_ref.delete() {
// Propagate error only if we don't already have an error to return and it's not
// NotFound (there may be duplicates if the list if multiple branches moved to
// the same commit).
if result.is_ok() && err.code() != git2::ErrorCode::NotFound {
return Err(GitPushError::InternalGitError(err));
}
}
}
result
}

62
tests/test_git_push.rs
View File

@ -21,11 +21,40 @@ pub mod common;
fn set_up() -> (TestEnvironment, PathBuf) {
let test_env = TestEnvironment::default();
let git_repo_path = test_env.env_root().join("git-repo");
git2::Repository::init(&git_repo_path).unwrap();
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 empty_tree_oid = git_repo.treebuilder(None).unwrap().write().unwrap();
let empty_tree = git_repo.find_tree(empty_tree_oid).unwrap();
git_repo
.commit(
Some("refs/heads/branch1"),
&signature,
&signature,
"description",
&empty_tree,
&[],
)
.unwrap();
git_repo
.commit(
Some("refs/heads/branch2"),
&signature,
&signature,
"description",
&empty_tree,
&[],
)
.unwrap();
test_env.jj_cmd_success(
test_env.env_root(),
&["git", "clone", "git-repo", "jj-repo"],
&[
"git",
"clone",
test_env.env_root().join("git-repo").to_str().unwrap(),
"jj-repo",
],
);
let workspace_root = test_env.env_root().join("jj-repo");
(test_env, workspace_root)
@ -41,6 +70,35 @@ fn test_git_push_nothing() {
"###);
}
#[test]
fn test_git_push_success() {
let (test_env, workspace_root) = set_up();
test_env.jj_cmd_success(&workspace_root, &["branch", "delete", "branch1"]);
test_env.jj_cmd_success(
&workspace_root,
&["branch", "set", "--allow-backwards", "branch2"],
);
test_env.jj_cmd_success(&workspace_root, &["branch", "create", "my-branch"]);
test_env.jj_cmd_success(&workspace_root, &["describe", "-m", "foo"]);
// Check the setup
let stdout = test_env.jj_cmd_success(&workspace_root, &["branch", "list"]);
insta::assert_snapshot!(stdout, @r###"
branch1 (deleted)
@origin: 545acdb23f70 description
branch2: 7840c9885676 foo
@origin (ahead by 1 commits, behind by 1 commits): 545acdb23f70 description
my-branch: 7840c9885676 foo
"###);
let stdout = test_env.jj_cmd_success(&workspace_root, &["git", "push"]);
insta::assert_snapshot!(stdout, @"");
let stdout = test_env.jj_cmd_success(&workspace_root, &["branch", "list"]);
insta::assert_snapshot!(stdout, @r###"
branch2: 7840c9885676 foo
my-branch: 7840c9885676 foo
"###);
}
#[test]
fn test_git_push_conflict() {
let (test_env, workspace_root) = set_up();