From 7b27f39553d5804da0d98d633a4b3e749aa3b293 Mon Sep 17 00:00:00 2001
From: "Brandyn Bayes (Microsoft)" <brbayes@microsoft.com>
Date: Wed, 1 Feb 2023 10:43:56 -0800
Subject: [PATCH] Standardize namespace and name normalization to match Python
 library (#22)

* Standardize namespace and name normalization to match Python library

* Add github example to test data
---
 src/PackageUrl.cs                     |  8 ++++----
 tests/TestAssets/test-suite-data.json | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/PackageUrl.cs b/src/PackageUrl.cs
index ae49a2e..2a7a0e8 100644
--- a/src/PackageUrl.cs
+++ b/src/PackageUrl.cs
@@ -263,8 +263,8 @@ private string ValidateNamespace(string @namespace)
             }
             return Type switch
             {
-                "vsm" or "cran" => WebUtility.UrlDecode(@namespace),
-                _ => WebUtility.UrlDecode(@namespace.ToLower())
+                "bitbucket" or "github" or "pypi" or "gitlab" => WebUtility.UrlDecode(@namespace.ToLower()),
+                _ => WebUtility.UrlDecode(@namespace)
             };
         }
 
@@ -276,9 +276,9 @@ private string ValidateName(string name)
             }
             return Type switch
             {
-                "nuget" or "cocoapods" or "cpan" or "vsm" or "cran" or "npm" => name,
+                "bitbucket" or "github" or "gitlab" => name.ToLower(),
                 "pypi" => name.Replace('_', '-').ToLower(),
-                _ => name.ToLower()
+                _ => name
             };
         }
 
diff --git a/tests/TestAssets/test-suite-data.json b/tests/TestAssets/test-suite-data.json
index 6f97708..4793dab 100644
--- a/tests/TestAssets/test-suite-data.json
+++ b/tests/TestAssets/test-suite-data.json
@@ -349,5 +349,29 @@
     "qualifiers": null,
     "subpath": null,
     "is_invalid": false
+  },
+  {
+    "description": "Maven names are case sensitive",
+    "purl": "pkg:maven/com.googlecode.javaewah/JavaEWAH@1.1.12",
+    "canonical_purl": "pkg:maven/com.googlecode.javaewah/JavaEWAH@1.1.12",
+    "type": "maven",
+    "namespace": "com.googlecode.javaewah",
+    "name": "JavaEWAH",
+    "version": "1.1.12",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": false
+  },
+  {
+    "description": "github namespace and name should be lowercased",
+    "purl": "pkg:github/Package-url/purl-Spec@244fd47e07d1004f0aed9c",
+    "canonical_purl": "pkg:github/package-url/purl-spec@244fd47e07d1004f0aed9c",
+    "type": "github",
+    "namespace": "package-url",
+    "name": "purl-spec",
+    "version": "244fd47e07d1004f0aed9c",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": false
   }
 ]