test(spec): Cover meta/pre cases for partial versions

We already tested with missing minor/patch

Author: epage

src/cargo/core/package_id_spec.rs

@@ -453,5 +453,41 @@ mod tests {
         assert!(PackageIdSpec::parse("foo@1.2.3").unwrap().matches(foo));
         assert!(!PackageIdSpec::parse("foo@1.2.2").unwrap().matches(foo));
         assert!(PackageIdSpec::parse("foo@1.2").unwrap().matches(foo));
+
+        let meta = PackageId::new("meta", "1.2.3+hello", sid).unwrap();
+        assert!(PackageIdSpec::parse("meta").unwrap().matches(meta));
+        assert!(PackageIdSpec::parse("meta@1").unwrap().matches(meta));
+        assert!(PackageIdSpec::parse("meta@1.2").unwrap().matches(meta));
+        assert!(PackageIdSpec::parse("meta@1.2.3").unwrap().matches(meta));
+        assert!(!PackageIdSpec::parse("meta@1.2.3-alpha.0")
+            .unwrap()
+            .matches(meta));
+        assert!(PackageIdSpec::parse("meta@1.2.3+hello")
+            .unwrap()
+            .matches(meta));
+        assert!(PackageIdSpec::parse("meta@1.2.3+bye")
+            .unwrap()
+            .matches(meta));
+
+        let pre = PackageId::new("pre", "1.2.3-alpha.0", sid).unwrap();
+        assert!(PackageIdSpec::parse("pre").unwrap().matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1").unwrap().matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1.2").unwrap().matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1.2.3").unwrap().matches(pre));
+        assert!(PackageIdSpec::parse("pre@1.2.3-alpha.0")
+            .unwrap()
+            .matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1.2.3-alpha.1")
+            .unwrap()
+            .matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1.2.3-beta.0")
+            .unwrap()
+            .matches(pre));
+        assert!(!PackageIdSpec::parse("pre@1.2.3+hello")
+            .unwrap()
+            .matches(pre));
+        assert!(PackageIdSpec::parse("pre@1.2.3-alpha.0+hello")
+            .unwrap()
+            .matches(pre));
     }
 }