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// SPDX-License-Identifier: EUPL-1.2
// SPDX-FileCopyrightText: 2021 Alyssa Ross <hi@alyssa.is>
use std::{
env::var_os,
fs::create_dir,
io::{stderr, Write},
process::Command,
};
use git2::{Commit, IntoCString, Oid, Reference, Signature, Time, Tree};
use tempdir::TempDir;
struct Repo<'a> {
inner: git2::Repository,
signature: Signature<'a>,
}
impl Repo<'_> {
fn new(inner: git2::Repository) -> Self {
Self {
inner,
signature: Signature::new("git-girf test suite", "git-girf@test", &Time::new(0, 0))
.unwrap(),
}
}
fn commit(&self, files: &[(impl AsRef<[u8]>, impl AsRef<[u8]>)]) -> Oid {
let mut treebuilder = self.inner.treebuilder(None).unwrap();
for (path, data) in files {
let blob = self.inner.blob(data.as_ref()).unwrap();
treebuilder.insert(path.as_ref(), blob, 0o100644).unwrap();
}
let tree_oid = treebuilder.write().unwrap();
let tree = self.inner.find_tree(tree_oid).unwrap();
let parent_oids = self
.inner
.head()
.into_iter()
.map(|head| head.target().unwrap());
let parents: Vec<_> = parent_oids
.map(|oid| self.inner.find_commit(oid).unwrap())
.collect();
let borrowed_parents: Vec<_> = parents.iter().collect();
dbg!(self.inner
.commit(
Some("HEAD"),
&self.signature,
&self.signature,
"A commit",
&tree,
&borrowed_parents,
)
.unwrap())
}
}
#[test]
fn happy() {
let dir = TempDir::new("git-girf-tests").unwrap();
let path = var_os("PATH").unwrap_or_else(|| "/usr/bin:/bin".into());
let repo = Repo::new(git2::Repository::init(&dir).expect("opening repo"));
// We're going to use `tail -n 1` as our filter command, meaning
// commits shouldn't be printed if they change the last line of
// any file.
let mut expected = Vec::new();
repo.commit(&[("a", "a\na\n")]);
// This creates a file, so shouldn't be printed.
repo.commit(&[("a", "a\na\n"), ("b", "b\nb\n")]);
// This changes the first lines only, so should be printed.
expected.push(repo.commit(&[("a", "A\na\n"), ("b", "B\nb\n")]));
// This changes the last line, so shouldn't be printed.
repo.commit(&[("a", "A\nA\n"), ("b", "b\nB\n")]);
// This has lots of files, but it should be obvious that it
// doesn't have to be printed after the first file. We include it
// to test that short circuiting doesn't panic the diff thread.
repo.commit(&(b'a'..b'z').map(|c| ([c], [c, b'\n'])).collect::<Vec<_>>());
let output = Command::new(env!("CARGO_BIN_EXE_git-girf"))
.args(&["tail", "-n", "1"])
.current_dir(&dir)
.env_clear()
.env("PATH", path)
.output()
.expect("spawn");
let _ = stderr().write_all(&output.stderr);
let len = expected.len();
let mut expected_bytes = Vec::with_capacity(41 * expected.len());
for oid in expected {
expected_bytes.extend_from_slice(oid.to_string().as_bytes());
expected_bytes.push(b'\n');
}
assert!(output.stderr.is_empty());
assert_eq!(
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&expected_bytes)
);
assert!(output.status.success());
}
#[test]
fn no_repo() {
let output = Command::new(env!("CARGO_BIN_EXE_git-girf"))
.arg("cat")
.current_dir("/var/empty")
.env_clear()
.output()
.expect("spawn");
assert_eq!(output.status.code(), Some(128));
assert_eq!(
output.stderr,
b"fatal: could not find repository from '.'\n"
);
assert!(output.stdout.is_empty());
}
#[test]
fn no_args() {
let output = Command::new(env!("CARGO_BIN_EXE_git-girf"))
.current_dir("/var/empty")
.env_clear()
.output()
.expect("spawn");
assert_eq!(output.status.code(), Some(128));
assert_eq!(output.stderr, b"fatal: no command given\n");
assert!(output.stdout.is_empty());
}
#[test]
fn flag() {
let output = Command::new(env!("CARGO_BIN_EXE_git-girf"))
.arg("-Z")
.current_dir("/var/empty")
.env_clear()
.output()
.expect("spawn");
assert_eq!(output.status.code(), Some(128));
assert_eq!(output.stderr, b"fatal: unrecognized argument: -Z\n");
assert!(output.stdout.is_empty());
}
#[test]
fn filter_sigpipe() {
todo!();
}
#[test]
fn sigpipe() {
todo!();
}
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