Test npm protocol in dependencies

tests/cli.rs

@@ -12,6 +12,7 @@ __metadata:
   resolution: "foo@workspace:."
   dependencies:
     foolib: 1.2.3 || ^2.0.0
+    buzz: "npm:^1.1.1"
   languageName: unknown
   linkType: soft
 
@@ -21,6 +22,13 @@ __metadata:
   checksum: 123061e52a0b3792c6a0472bf48ca6c337ccb58e92261049e7727a12c326b9627537e2ef8cb4453354d02c763b87c8b516f4eedfad99945c308927285bbc12ba
   languageName: node
   linkType: hard
+
+"buzz@npm:^1.1.1":
+  version: 1.1.2
+  resolution: "buzz@npm:1.1.2"
+  checksum: 58e92261049e7727a12c326b9627537e123061e52a0b3792c6a0472bf48ca6c337ccb2ef8cb4453354d02c763b87c8b516f4eedfad99945c308927285bbc12ba
+  languageName: node
+  linkType: hard
 "#;
 
 const YARN_LOCK_V6_ONLY_DIRECT_DEPS: &str = r#"# This file is generated by running "yarn install" inside your project.
@@ -100,6 +108,22 @@ fn it_finds_a_package_without_range() {
     );
 }
 
+#[test]
+fn it_finds_a_package_whose_dep_is_using_npm_protocol() {
+    let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();
+
+    let assert = cmd
+        .args(["buzz"])
+        .write_stdin(YARN_LOCK_V6_WITH_DEPS)
+        .assert();
+
+    assert.success().stdout(
+        r#"└─ foo@.
+   └─ buzz@^1.1.1
+"#,
+    );
+}
+
 #[test]
 fn it_finds_a_package_in_a_yarn_lock_with_only_direct_deps() {
     let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap();