Add a test for enabled renamed optional deps

crate_universe/src/metadata/dependency.rs

@@ -722,4 +722,21 @@ mod test {
             .expect("Iterating over known keys should never panic")
             .any(|dep| dep.target_name == "serde"));
     }
+
+    #[test]
+    fn renamed_optional_deps_enabled() {
+        let metadata = metadata::renamed_optional_deps_enabled();
+
+        let p256 = find_metadata_node("p256", &metadata);
+        let p256_depset = DependencySet::new_for_node(p256, &metadata);
+        assert_eq!(
+            p256_depset
+                .normal_deps
+                .get_iter(None)
+                .expect("Iterating over known keys should never panic")
+                .filter(|dep| { dep.target_name == "ecdsa" })
+                .count(),
+            1
+        );
+    }
 }

crate_universe/src/test.rs

@@ -123,6 +123,14 @@ pub mod metadata {
         .unwrap()
     }
 
+    pub fn renamed_optional_deps_enabled() -> cargo_metadata::Metadata {
+        serde_json::from_str(include_str!(concat!(
+            env!("CARGO_MANIFEST_DIR"),
+            "/test_data/metadata/crate_renamed_optional_deps_enabled/metadata.json"
+        )))
+        .unwrap()
+    }
+
     pub fn common() -> cargo_metadata::Metadata {
         serde_json::from_str(include_str!(concat!(
             env!("CARGO_MANIFEST_DIR"),

crate_universe/test_data/metadata/crate_renamed_optional_deps_enabled/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "crate-with-optional-deps"
+version = "0.1.0"
+edition = "2021" # make sure resolver=2 is enabled for this test
+
+# Required to satisfy cargo but no `lib.rs` is expected to
+# exist within test data.
+[lib]
+path = "lib.rs"
+
+[dependencies]
+p256 = "=0.13.2"
+