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test(git): expose three-way apply failures

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This commit is contained in:
Chris Bookholt
2026-07-03 16:31:36 -07:00
parent 49664d3c75
commit 653b79082c
2 changed files with 18 additions and 21 deletions
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32
codex-rs/git-utils/src/merge_driver_race_tests.rs
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@@ -210,10 +210,10 @@ fn append_default_and_driver_config(root: &Path, driver: &str, command: &str) {
#[derive(Clone, Copy, Debug)]
enum DriverNamespaceRace {
EmptyKnownKey,
SelectedMissingKey,
BrandNewAttributeAndKey,
BrandNewDefaultAndKey,
KnownEmpty,
SelectedMissing,
BrandNewAttribute,
BrandNewDefault,
}
#[test]
@@ -415,22 +415,23 @@ fn isolated_three_way_config_blocks_driver_namespace_introduction_races() {
}
for race in [
DriverNamespaceRace::EmptyKnownKey,
DriverNamespaceRace::SelectedMissingKey,
DriverNamespaceRace::BrandNewAttributeAndKey,
DriverNamespaceRace::BrandNewDefaultAndKey,
DriverNamespaceRace::KnownEmpty,
DriverNamespaceRace::SelectedMissing,
DriverNamespaceRace::BrandNewAttribute,
DriverNamespaceRace::BrandNewDefault,
] {
let repo = init_repo();
let root = repo.path();
let attributes = match race {
DriverNamespaceRace::EmptyKnownKey | DriverNamespaceRace::SelectedMissingKey => {
DriverNamespaceRace::KnownEmpty | DriverNamespaceRace::SelectedMissing => {
"target.txt merge=demo\n"
}
DriverNamespaceRace::BrandNewAttributeAndKey
| DriverNamespaceRace::BrandNewDefaultAndKey => "# initially safe\n",
DriverNamespaceRace::BrandNewAttribute | DriverNamespaceRace::BrandNewDefault => {
"# initially safe\n"
}
};
let patch = build_conflicting_patch(root, attributes);
if matches!(race, DriverNamespaceRace::EmptyKnownKey) {
if matches!(race, DriverNamespaceRace::KnownEmpty) {
configure_driver(root, "demo", "");
}
let trace = trace_path();
@@ -441,11 +442,10 @@ fn isolated_three_way_config_blocks_driver_namespace_introduction_races() {
let observed = wait_for_merge_attribute_probe(&watcher_trace);
if observed {
match race {
DriverNamespaceRace::EmptyKnownKey
| DriverNamespaceRace::SelectedMissingKey => {
DriverNamespaceRace::KnownEmpty | DriverNamespaceRace::SelectedMissing => {
append_driver_config(&watcher_root, "demo", NEW_DRIVER_COMMAND);
}
DriverNamespaceRace::BrandNewAttributeAndKey => {
DriverNamespaceRace::BrandNewAttribute => {
append_driver_config(&watcher_root, "brandnew", NEW_DRIVER_COMMAND);
std::fs::write(
watcher_root.join(".gitattributes"),
@@ -453,7 +453,7 @@ fn isolated_three_way_config_blocks_driver_namespace_introduction_races() {
)
.expect("select brand-new merge driver");
}
DriverNamespaceRace::BrandNewDefaultAndKey => {
DriverNamespaceRace::BrandNewDefault => {
append_default_and_driver_config(
&watcher_root,
"brandnew",