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//! ref: composer/tests/Composer/Test/CacheTest.php
use shirabe::cache::{Cache, CacheMock, GcFinderMock};
use shirabe::io::IOInterface;
use shirabe::io::null_io::NullIO;
use shirabe::util::filesystem::Filesystem;
use std::cell::RefCell;
use std::fs;
use std::rc::Rc;
use tempfile::TempDir;
struct SetUp {
root: TempDir,
files: Vec<std::path::PathBuf>,
cache: Cache,
}
fn set_up() -> SetUp {
let root = TempDir::new().unwrap();
let mut files: Vec<std::path::PathBuf> = Vec::new();
let zeros = "0".repeat(1000);
for i in 0..4 {
let path = root.path().join(format!("cached.file{}.zip", i));
fs::write(&path, &zeros).unwrap();
files.push(path);
}
// PHP mocks Cache::getFinder and keeps the real Filesystem; here the CacheMock finder seam plays
// that role and the Cache otherwise operates on the real temp directory.
let io: Rc<RefCell<dyn IOInterface>> = Rc::new(RefCell::new(NullIO::new()));
let cache = Cache::new(io, root.path().to_str().unwrap(), None, None, false);
SetUp { root, files, cache }
}
fn tear_down(root: &std::path::Path) {
if root.is_dir() {
let mut fs = Filesystem::new(None);
fs.remove_directory(root).unwrap();
}
}
struct TearDown {
root: std::path::PathBuf,
}
impl TearDown {
fn new(root: std::path::PathBuf) -> Self {
TearDown { root }
}
}
impl Drop for TearDown {
fn drop(&mut self) {
tear_down(&self.root);
}
}
#[test]
fn test_remove_outdated_files() {
let SetUp {
root,
files,
mut cache,
} = set_up();
let _tear_down = TearDown::new(root.path().to_path_buf());
// The date('until ...') finder yields the outdated entries (files 1..3).
let outdated = files[1..].to_vec();
cache.__set_mock(CacheMock {
finder: Some(GcFinderMock {
outdated,
by_accessed_time: Vec::new(),
}),
..Default::default()
});
cache.gc(600, 1024 * 1024 * 1024);
for (i, file) in files.iter().enumerate().skip(1) {
assert!(!file.exists(), "cached.file{i}.zip should be removed");
}
assert!(files[0].exists(), "cached.file0.zip should still exist");
}
#[test]
fn test_remove_files_when_cache_is_too_large() {
let SetUp {
root,
files,
mut cache,
} = set_up();
let _tear_down = TearDown::new(root.path().to_path_buf());
// The date filter matches nothing; the size-bound pass walks all files by accessed time.
cache.__set_mock(CacheMock {
finder: Some(GcFinderMock {
outdated: Vec::new(),
by_accessed_time: files.clone(),
}),
..Default::default()
});
cache.gc(600, 1500);
for (i, file) in files.iter().enumerate().take(3) {
assert!(!file.exists(), "cached.file{i}.zip should be removed");
}
assert!(files[3].exists(), "cached.file3.zip should still exist");
}
#[test]
fn test_clear_cache() {
let root = TempDir::new().unwrap();
let io: Rc<RefCell<dyn IOInterface>> = Rc::new(RefCell::new(NullIO::new()));
let mut cache = Cache::new(
io,
root.path().to_str().unwrap(),
Some("a-z0-9."),
None,
false,
);
assert!(cache.clear());
}
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