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use crate::composer::{InstallationSource, LocalPackage};
use crate::console::IoInterface;
use crate::downloader::{DownloaderInterface, VcsDownloader};
use crate::repository::cache::Cache;
use crate::repository::downloader::{DownloadProgress, download_dist};
use crate::util::Filesystem;
/// ref: \Composer\Downloader\DownloadManager
pub struct DownloadManager {
#[allow(unused)]
io: std::sync::Arc<std::sync::Mutex<Box<dyn IoInterface>>>,
prefer_dist: bool,
prefer_source: bool,
#[allow(unused)]
package_preferences: Vec<(String, InstallationSource)>,
#[allow(unused)]
filesystem: Filesystem,
downloaders: indexmap::IndexMap<String, Box<dyn DownloaderInterface>>,
files_cache: Cache, // TODO: remove
}
impl DownloadManager {
pub fn new(
io: std::sync::Arc<std::sync::Mutex<Box<dyn IoInterface>>>,
prefer_source: bool,
filesystem: Filesystem,
files_cache: Cache,
) -> Self {
Self {
io,
prefer_dist: false,
prefer_source,
package_preferences: Vec::new(),
filesystem,
downloaders: indexmap::IndexMap::new(),
files_cache,
}
}
pub fn set_downloader(&mut self, r#type: String, downloader: Box<dyn DownloaderInterface>) {
assert!(r#type.chars().all(|c| c.is_ascii_lowercase()));
self.downloaders.insert(r#type, downloader);
}
pub fn get_downloader_for_package(&self, package: &LocalPackage) -> Option<&dyn VcsDownloader> {
if package.package_type() == Some("metapackage") {
return None;
}
match package.installation_source()? {
InstallationSource::Dist => None,
InstallationSource::Source => {
let kind = package.source()?.kind.as_str();
self.downloaders
.get(kind)
.and_then(|d| d.as_vcs_downloader())
}
}
}
/// Makes downloader prefer source installation over the dist.
pub fn set_prefer_source(&mut self, prefer_source: bool) {
self.prefer_source = prefer_source;
}
/// Makes downloader prefer dist installation over the source.
pub fn set_prefer_dist(&mut self, prefer_dist: bool) {
self.prefer_dist = prefer_dist;
}
pub async fn download_legacy(
&self,
url: &str,
expected_shasum: Option<&str>,
progress: Option<&mut DownloadProgress>,
) -> anyhow::Result<Vec<u8>> {
download_dist(url, expected_shasum, progress, &self.files_cache).await
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::composer::PackageReference;
use crate::console::Console;
use crate::downloader::GitDownloader;
use crate::vcs::process::ProcessExecutor;
use serde_json::Value;
use std::path::PathBuf;
use std::sync::{Arc, Mutex};
fn make_dm() -> DownloadManager {
let io: Arc<Mutex<Box<dyn IoInterface>>> = Arc::new(Mutex::new(Box::new(Console::new(
0, true, false, true, true,
))
as Box<dyn IoInterface>));
let cache_dir = PathBuf::from("/tmp/mz-test-cache");
let cache = Cache::new(cache_dir.clone(), false);
let mut dm = DownloadManager::new(io, false, Filesystem::new(), cache);
dm.set_downloader(
"git".to_owned(),
Box::new(GitDownloader::new(ProcessExecutor::new(), cache_dir)),
);
dm
}
fn pkg(
installation_source: Option<InstallationSource>,
source_kind: Option<&str>,
) -> LocalPackage {
let source = source_kind.map(|kind| PackageReference {
kind: kind.to_string(),
url: "https://example/repo".into(),
reference: Some("abc123".into()),
shasum: None,
});
LocalPackage::new(
"vendor/pkg".into(),
"1.0.0".into(),
None,
Some("library".into()),
installation_source,
source,
None,
Value::Null,
)
}
#[test]
fn metapackage_returns_none() {
let dm = make_dm();
let mut p = pkg(Some(InstallationSource::Source), Some("git"));
// override type
p = LocalPackage::new(
"vendor/pkg".into(),
"1.0.0".into(),
None,
Some("metapackage".into()),
p.installation_source(),
p.source().cloned(),
None,
Value::Null,
);
assert!(dm.get_downloader_for_package(&p).is_none());
}
#[test]
fn dist_install_returns_none() {
let dm = make_dm();
let p = pkg(Some(InstallationSource::Dist), Some("git"));
assert!(dm.get_downloader_for_package(&p).is_none());
}
#[test]
fn source_install_with_git_returns_some() {
let dm = make_dm();
let p = pkg(Some(InstallationSource::Source), Some("git"));
assert!(dm.get_downloader_for_package(&p).is_some());
}
#[test]
fn unknown_source_kind_returns_none() {
let dm = make_dm();
let p = pkg(Some(InstallationSource::Source), Some("perforce"));
assert!(dm.get_downloader_for_package(&p).is_none());
}
#[test]
fn missing_installation_source_returns_none() {
let dm = make_dm();
let p = pkg(None, Some("git"));
assert!(dm.get_downloader_for_package(&p).is_none());
}
}
|
