test: add a new test case for global cache

.github/workflows/ci.yml

@@ -22,9 +22,24 @@ jobs:
         with:
           save-cache: ${{ github.ref_name == 'main' }}
 
-      - run: cargo check
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+
+      - name: Prepare fixtures
+        run: |
+          corepack enable
+          cd fixtures/global-cache
+          yarn install
+
+      - name: Build
+        run: cargo build
+
+      - name: Check
+        run: cargo check
 
-      - run: cargo test
+      - name: Run tests
+        run: cargo test
 
   clippy:
     runs-on: ubuntu-latest

Cargo.toml

@@ -23,6 +23,7 @@ thiserror = "2"
 rustc-hash = "2"
 
 [dev-dependencies]
+dirs = "6.0.0"
 rstest = "0.25.0"
 
 [features]

fixtures/global-cache/.gitignore

@@ -0,0 +1,2 @@
+.yarn/*
+.pnp.*

fixtures/global-cache/.yarnrc.yml

@@ -0,0 +1,3 @@
+enableGlobalCache: true
+
+nodeLinker: pnp

fixtures/global-cache/package.json

@@ -0,0 +1,7 @@
+{
+  "name": "global-cache",
+  "dependencies": {
+    "source-map-support": "^0.5.21"
+  },
+  "packageManager": "[email protected]"
+}

fixtures/global-cache/test.js

@@ -0,0 +1 @@
+console.log(require.resolve('source-map-support'));

fixtures/global-cache/yarn.lock

@@ -0,0 +1,38 @@
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 8
+  cacheKey: 10c0
+
+"buffer-from@npm:^1.0.0":
+  version: 1.1.2
+  resolution: "buffer-from@npm:1.1.2"
+  checksum: 10c0/124fff9d66d691a86d3b062eff4663fe437a9d9ee4b47b1b9e97f5a5d14f6d5399345db80f796827be7c95e70a8e765dd404b7c3ff3b3324f98e9b0c8826cc34
+  languageName: node
+  linkType: hard
+
+"global-cache@workspace:.":
+  version: 0.0.0-use.local
+  resolution: "global-cache@workspace:."
+  dependencies:
+    source-map-support: "npm:^0.5.21"
+  languageName: unknown
+  linkType: soft
+
+"source-map-support@npm:^0.5.21":
+  version: 0.5.21
+  resolution: "source-map-support@npm:0.5.21"
+  dependencies:
+    buffer-from: "npm:^1.0.0"
+    source-map: "npm:^0.6.0"
+  checksum: 10c0/9ee09942f415e0f721d6daad3917ec1516af746a8120bba7bb56278707a37f1eb8642bde456e98454b8a885023af81a16e646869975f06afc1a711fb90484e7d
+  languageName: node
+  linkType: hard
+
+"source-map@npm:^0.6.0":
+  version: 0.6.1
+  resolution: "source-map@npm:0.6.1"
+  checksum: 10c0/ab55398007c5e5532957cb0beee2368529618ac0ab372d789806f5718123cc4367d57de3904b4e6a4170eb5a0b0f41373066d02ca0735a0c4d75c7d328d3e011
+  languageName: node
+  linkType: hard

src/lib.rs

@@ -157,12 +157,18 @@ pub fn init_pnp_manifest<P: AsRef<Path>>(manifest: &mut Manifest, p: P) {
 
     for (name, ranges) in manifest.package_registry_data.iter_mut() {
         for (reference, info) in ranges.iter_mut() {
+            println!("manifest.manifest_dir, {}", manifest.manifest_dir.to_string_lossy());
+
             let package_location = manifest.manifest_dir.join(info.package_location.clone());
 
             let normalized_location = util::normalize_path(package_location.to_string_lossy());
 
+            println!("normalized_location: {normalized_location}");
+
             info.package_location = PathBuf::from(normalized_location);
 
+            println!("info.package_location: {}", info.package_location.to_string_lossy());
+
             if !info.discard_from_lookup {
                 manifest.location_trie.insert(
                     &info.package_location,
@@ -207,6 +213,12 @@ pub fn find_locator<'a, P: AsRef<Path>>(
         }
     }
 
+    println!("path {}", path.as_ref().to_string_lossy());
+
+    let path = util::normalize_path(path.as_ref().to_string_lossy());
+
+    println!("path {path}");
+
     manifest.location_trie.get_ancestor_value(&path)
 }