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split test_utils

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Luke Boswell 2024-04-15 20:30:34 +10:00
parent 972b254ebd
commit f9771a9983
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12 changed files with 70 additions and 47 deletions
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37
crates/test_utils/src/lib.rs
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@ -1,5 +1,4 @@
//! Provides testing utility functions for use throughout the Rust code base.
use std::path::PathBuf;
#[doc(hidden)]
pub use pretty_assertions::assert_eq as _pretty_assert_eq;
@ -19,39 +18,3 @@ macro_rules! assert_multiline_str_eq {
$crate::_pretty_assert_eq!($crate::DebugAsDisplay($a), $crate::DebugAsDisplay($b))
};
}
/**
* Creates a temporary empty directory that gets deleted when this goes out of scope.
*/
pub struct TmpDir {
path: std::path::PathBuf,
}
impl TmpDir {
pub fn new(dir: &str) -> TmpDir {
let path = std::path::Path::new(dir);
// ensure_empty_dir will fail if the dir doesn't already exist
std::fs::create_dir_all(path).unwrap();
remove_dir_all::ensure_empty_dir(path).unwrap();
let mut pathbuf = std::path::PathBuf::new();
pathbuf.push(path);
TmpDir { path: pathbuf }
}
pub fn path(&self) -> &std::path::Path {
self.path.as_path()
}
}
impl Drop for TmpDir {
fn drop(&mut self) {
// we "discard" the Result because there is no problem when a dir was already removed before we call remove_dir_all
let _ = remove_dir_all::remove_dir_all(&self.path);
}
}
pub fn workspace_root() -> PathBuf {
let root = std::env::var("ROC_WORKSPACE_DIR").expect("Can't find the ROC_WORKSPACE_DIR variable expected to be set in .cargo/config.toml. Are you running tests outside of cargo?");
PathBuf::from(root)
}