steid

steid/src/infrastructure/git/fixture.rs

Rust1.5 KBCode·Blame·History·Raw

1	//! Fixtures the adapters' own tests share.
2	//!
3	//! `handle`, `repo_name` and `git_says` are used by every file in this module, and
4	//! `storage` by three of them, so they sit here rather than being copied five times.
5	//! Test-only: the module is `#[cfg(test)]` at its declaration.
6
7	use std::path::Path;
8
9	use tempfile::TempDir;
10
11	use crate::domain::{OrgName, RepoName};
12
13	use super::storage::DiskGitStorage;
14
15	/// The `TempDir` is returned alongside the storage because dropping it deletes the
16	/// data directory — binding it to `_` would remove the fixture mid-test.
17	pub(crate) fn storage() -> (TempDir, DiskGitStorage) {
18	let dir = TempDir::new().expect("temp dir");
19	let storage = DiskGitStorage::new(dir.path());
20	(dir, storage)
21	}
22
23	pub(crate) fn handle() -> OrgName {
24	OrgName::new("jamesgill").expect("valid handle")
25	}
26
27	pub(crate) fn repo_name(value: &str) -> RepoName {
28	RepoName::new(value).expect("valid repository name")
29	}
30
31	/// Asks git about a repository, so assertions test what git believes rather than
32	/// what the directory looks like.
33	pub(crate) fn git_says(path: &Path, args: &[&str]) -> String {
34	let output = std::process::Command::new("git")
35	.arg("-C")
36	.arg(path)
37	.args(args)
38	.output()
39	.expect("git should be on PATH");
40
41	assert!(
42	output.status.success(),
43	"git {args:?} failed: {}",
44	String::from_utf8_lossy(&output.stderr)
45	);
46
47	String::from_utf8_lossy(&output.stdout).trim().to_owned()
48	}