use git_commitgraph::{graph::Position as GraphPosition, Graph};use git_object::{borrowed, owned};use std::{ collections::{HashMap, HashSet}, convert::{TryFrom, TryInto}, hash::BuildHasher, io::{BufRead, Cursor}, path::{Path, PathBuf}, process::Command,}; type Result = std::result::Result<(), Box<dyn std::error::Error>>; mod access; pub fn check_common(cg: &Graph, expected: &HashMap<String, RefInfo, impl BuildHasher>) { assert_eq!( usize::try_from(cg.num_commits()).expect("an architecture able to hold 32 bits of integer"), expected.len() ); for ref_info in expected.values() { assert_eq!(cg.id_at(ref_info.pos()), ref_info.id(), "id_at({})", ref_info.pos()); assert_eq!( cg.lookup(ref_info.id()), Some(ref_info.pos()), "lookup({})", ref_info.id() ); let expected_parents: Vec<_> = ref_info .parent_ids() .into_iter() .map(|id| { expected .values() .find(|item| item.id() == id) .expect("find RefInfo by id") }) .collect(); let commit = cg.commit_at(ref_info.pos()); assert_eq!(commit.id(), ref_info.id()); assert_eq!(commit.root_tree_id(), ref_info.root_tree_id()); assert_eq!( commit.parent1().expect("failed to access commit's parent1"), expected_parents.iter().map(|x| x.pos()).next() ); assert_eq!( commit .iter_parents() .collect::<std::result::Result<Vec<_>, _>>() .expect("failed to access commit's parents"), expected_parents.iter().map(|x| x.pos()).collect::<Vec<_>>() ); } assert_eq!( cg.iter_ids().collect::<HashSet<_>>(), expected.values().map(|x| x.id()).collect::<HashSet<_>>() );} pub fn create_repo(script_path: &str) -> tempfile::TempDir { let dir = tempfile::tempdir().expect("failed to create temp dir"); let status = Command::new("bash") .arg(fixture_path(script_path)) .arg(dir.path()) .env_remove("GIT_DIR") .status() .expect("failed to run repo script"); assert!(status.success(), "repo script failed"); dir} pub fn fixture_path(path: &str) -> PathBuf { PathBuf::from("tests").join("fixtures").join(path)} pub fn hex_to_id(hex: &[u8]) -> owned::Id { owned::Id::from_40_bytes_in_hex(hex).expect("40 bytes hex")} pub struct RefInfo { id: owned::Id, parent_ids: Vec<owned::Id>, pos: GraphPosition, root_tree_id: owned::Id,} impl RefInfo { pub fn id(&self) -> borrowed::Id { self.id.to_borrowed() } pub fn pos(&self) -> GraphPosition { self.pos } pub fn parent_ids(&self) -> impl IntoIterator<Item = borrowed::Id> { self.parent_ids.iter().map(|x| x.to_borrowed()) } pub fn root_tree_id(&self) -> borrowed::Id { self.root_tree_id.to_borrowed() }} pub fn inspect_refs(repo_dir: impl AsRef<Path>, refs: &[&'static str]) -> HashMap<String, RefInfo> { let output = Command::new("git") .arg("-C") .arg(repo_dir.as_ref()) .arg("show") .arg("--no-patch") .arg("--pretty=format:%S %H %T %P") .args(refs) .arg("--") .env_remove("GIT_DIR") .output() .expect("failed to execute `git show`"); // Output format: <refname> <id> <tree_id> <parent_ids> let mut infos: Vec<_> = Cursor::new(output.stdout) .lines() .map(|x| x.expect("failed to read `git show` output")) .map(|x| { let parts = x.trim_end().split(' ').collect::<Vec<_>>(); ( parts[0].to_string(), owned::Id::from_40_bytes_in_hex(parts[1].as_bytes()).expect("40 bytes hex"), owned::Id::from_40_bytes_in_hex(parts[2].as_bytes()).expect("40 bytes hex"), parts[3..] .iter() .map(|x| owned::Id::from_40_bytes_in_hex(x.as_bytes()).expect("40 bytes hex")) .collect(), ) }) .collect(); infos.sort_by_key(|x| x.1); let get_pos = |id: borrowed::Id| -> GraphPosition { let pos: u32 = infos .binary_search_by_key(&id, |x| x.1.to_borrowed()) .expect("sorted_ids to contain id") .try_into() .expect("graph position to fit in u32"); GraphPosition(pos) }; infos .iter() .cloned() .map(|(name, id, root_tree_id, parent_ids)| { ( name, RefInfo { id, parent_ids, root_tree_id, pos: get_pos(id.to_borrowed()), }, ) }) .collect()}
use git_commitgraph::{graph::Position as GraphPosition, Graph};
use git_object::{borrowed, owned};
use std::{
collections::{HashMap, HashSet},
convert::{TryFrom, TryInto},
hash::BuildHasher,
io::{BufRead, Cursor},
path::{Path, PathBuf},
process::Command,
};
type Result = std::result::Result<(), Box<dyn std::error::Error>>;
mod access;
pub fn check_common(cg: &Graph, expected: &HashMap<String, RefInfo, impl BuildHasher>) {
assert_eq!(
usize::try_from(cg.num_commits()).expect("an architecture able to hold 32 bits of integer"),
expected.len()
);
for ref_info in expected.values() {
assert_eq!(cg.id_at(ref_info.pos()), ref_info.id(), "id_at({})", ref_info.pos());
assert_eq!(
cg.lookup(ref_info.id()),
Some(ref_info.pos()),
"lookup({})",
ref_info.id()
);
let expected_parents: Vec<_> = ref_info
.parent_ids()
.into_iter()
.map(|id| {
expected
.values()
.find(|item| item.id() == id)
.expect("find RefInfo by id")
})
.collect();
let commit = cg.commit_at(ref_info.pos());
assert_eq!(commit.id(), ref_info.id());
assert_eq!(commit.root_tree_id(), ref_info.root_tree_id());
assert_eq!(
commit.parent1().expect("failed to access commit's parent1"),
expected_parents.iter().map(|x| x.pos()).next()
);
assert_eq!(
commit
.iter_parents()
.collect::<std::result::Result<Vec<_>, _>>()
.expect("failed to access commit's parents"),
expected_parents.iter().map(|x| x.pos()).collect::<Vec<_>>()
);
}
assert_eq!(
cg.iter_ids().collect::<HashSet<_>>(),
expected.values().map(|x| x.id()).collect::<HashSet<_>>()
);
}
pub fn create_repo(script_path: &str) -> tempfile::TempDir {
let dir = tempfile::tempdir().expect("failed to create temp dir");
let status = Command::new("bash")
.arg(fixture_path(script_path))
.arg(dir.path())
.env_remove("GIT_DIR")
.status()
.expect("failed to run repo script");
assert!(status.success(), "repo script failed");
dir
}
pub fn fixture_path(path: &str) -> PathBuf {
PathBuf::from("tests").join("fixtures").join(path)
}
pub fn hex_to_id(hex: &[u8]) -> owned::Id {
owned::Id::from_40_bytes_in_hex(hex).expect("40 bytes hex")
}
pub struct RefInfo {
id: owned::Id,
parent_ids: Vec<owned::Id>,
pos: GraphPosition,
root_tree_id: owned::Id,
}
impl RefInfo {
pub fn id(&self) -> borrowed::Id {
self.id.to_borrowed()
}
pub fn pos(&self) -> GraphPosition {
self.pos
}
pub fn parent_ids(&self) -> impl IntoIterator<Item = borrowed::Id> {
self.parent_ids.iter().map(|x| x.to_borrowed())
}
pub fn root_tree_id(&self) -> borrowed::Id {
self.root_tree_id.to_borrowed()
}
}
pub fn inspect_refs(repo_dir: impl AsRef<Path>, refs: &[&'static str]) -> HashMap<String, RefInfo> {
let output = Command::new("git")
.arg("-C")
.arg(repo_dir.as_ref())
.arg("show")
.arg("--no-patch")
.arg("--pretty=format:%S %H %T %P")
.args(refs)
.arg("--")
.env_remove("GIT_DIR")
.output()
.expect("failed to execute `git show`");
// Output format: <refname> <id> <tree_id> <parent_ids>
let mut infos: Vec<_> = Cursor::new(output.stdout)
.lines()
.map(|x| x.expect("failed to read `git show` output"))
.map(|x| {
let parts = x.trim_end().split(' ').collect::<Vec<_>>();
(
parts[0].to_string(),
owned::Id::from_40_bytes_in_hex(parts[1].as_bytes()).expect("40 bytes hex"),
owned::Id::from_40_bytes_in_hex(parts[2].as_bytes()).expect("40 bytes hex"),
parts[3..]
.iter()
.map(|x| owned::Id::from_40_bytes_in_hex(x.as_bytes()).expect("40 bytes hex"))
.collect(),
)
})
.collect();
infos.sort_by_key(|x| x.1);
let get_pos = |id: borrowed::Id| -> GraphPosition {
let pos: u32 = infos
.binary_search_by_key(&id, |x| x.1.to_borrowed())
.expect("sorted_ids to contain id")
.try_into()
.expect("graph position to fit in u32");
GraphPosition(pos)
};
infos
.iter()
.cloned()
.map(|(name, id, root_tree_id, parent_ids)| {
(
name,
RefInfo {
id,
parent_ids,
root_tree_id,
pos: get_pos(id.to_borrowed()),
},
)
})
.collect()
}