1 files changed, 89 insertions, 0 deletions
diff --git a/crates/shirabe/tests/plugin/alias_package_test.rs b/crates/shirabe/tests/plugin/alias_package_test.rs
new file mode 100644
index 00000000..b32d2b67
--- /dev/null
+++ b/crates/shirabe/tests/plugin/alias_package_test.rs
@@ -0,0 +1,89 @@
+//! Shirabe-specific integration tests for the alias package proxy stubs. Upstream Composer has
+//! no test for this (its plugins run in-process), so the fixture `fixtures/alias-v1` is
+//! Shirabe-owned.
+
+use crate::async_runtime::run;
+use crate::plugin_installer_test::{lock_php_worker, new_installer, php_runtime_available, set_up};
+use shirabe::installer::InstallerInterface;
+use shirabe::package::loader::{ArrayLoader, JsonLoader, JsonLoaderInput};
+use shirabe::package::{
+    CompleteAliasPackageHandle, CompletePackageHandle, PackageInterfaceHandle, RootPackageHandle,
+};
+use shirabe_php_shim::PhpMixed;
+
+fn alias_fixture_package() -> PackageInterfaceHandle {
+    let loader = JsonLoader::new(Box::new(ArrayLoader::new(None, false)));
+    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+        .join("tests/plugin/fixtures/alias-v1/composer.json");
+    loader
+        .load(JsonLoaderInput::String(
+            path.canonicalize().unwrap().to_str().unwrap().to_string(),
+        ))
+        .unwrap()
+}
+
+#[test]
+fn test_alias_packages_cross_the_plugin_boundary() {
+    if !php_runtime_available() {
+        return;
+    }
+    let _worker = lock_php_worker();
+    let set_up = set_up();
+
+    let aliased = CompletePackageHandle::new(
+        "vendor/aliased".to_string(),
+        "1.0.0.0".to_string(),
+        "1.0.0".to_string(),
+    );
+    aliased.set_description("an aliased package".to_string());
+    let alias = CompleteAliasPackageHandle::new(
+        aliased.clone(),
+        "2.0.0.0".to_string(),
+        "2.0.0".to_string(),
+    );
+    set_up
+        .repository
+        .borrow_mut()
+        .add_package(alias.clone().into())
+        .unwrap();
+
+    let real_root = RootPackageHandle::new(
+        "dummy/root".to_string(),
+        "1.0.0.0".to_string(),
+        "1.0.0".to_string(),
+    );
+    let root_alias = shirabe::package::RootAliasPackageHandle::new(
+        real_root.clone(),
+        "1.1.0.0".to_string(),
+        "1.1.0".to_string(),
+    );
+    set_up.composer.borrow_mut().set_package(root_alias.into());
+
+    let installer = new_installer(&set_up);
+    set_up.pm.borrow_mut().load_installed_plugins().unwrap();
+    run(installer.install(&set_up.repository, alias_fixture_package())).unwrap();
+
+    assert_eq!(
+        "alias: Composer\\Package\\CompleteAliasPackage vendor/aliased 2.0.0 of Composer\\Package\\CompletePackage 1.0.0\n\
+         alias description: an aliased package\n\
+         alias self-version: no\n\
+         alias root-flag: no\n\
+         alias root-flag: yes\n\
+         root: Composer\\Package\\RootAliasPackage dummy/root 1.1.0 of Composer\\Package\\RootPackage 1.0.0\n\
+         root aliasOf identity: same\n\
+         root minimum stability: stable\n\
+         built: Composer\\Package\\CompleteAliasPackage vendor/aliased 9.9.9 of Composer\\Package\\CompletePackage 1.0.0\n",
+        set_up.io.borrow().get_output()
+    );
+
+    // The flag the plugin set landed on the Rust-side entity, not on a child-side copy.
+    let alias: shirabe::package::AliasPackageHandle = alias.into();
+    assert!(alias.is_root_package_alias());
+
+    // `RootAliasPackage`'s setters write through to the package it aliases.
+    assert_eq!("dev", real_root.get_minimum_stability());
+    assert_eq!(
+        Some(&PhpMixed::String("alias-v1".to_string())),
+        real_root.get_extra().get("seen-by")
+    );
+}