Fix name requirements and add test cases

PURL-TYPES.rst

@@ -65,16 +65,14 @@ bazel
 
 - The default repository ("registry") is ``https://bcr.bazel.build``, the
   Bazel Central Registry (BCR).
-- The ``name`` is the module name. It is case sensitive, but a single registry
-  will never contain two different module names that compare equal
-  case-insensitively.
+- The ``name`` is the module name. It must be lowercased.
 - The ``version`` is the module version in `Bazel's relaxed semver format
   <https://bazel.build/external/module#version_format>`_.
 - The optional ``repository_url`` can be used to specify the URL of an
-  alternative registry.
+  alternative registry, with any trailing forward slashes removed.
 - The optional ``subpath`` can name a particular Bazel target in the module via
   a label with the leading double slash (``//``) removed and canonicalized by
-  omitting the target name if it is equal to the name of the containing package. 
+  omitting the target name if it is equal to the name of the containing package.
 - Examples::
 
       pkg:bazel/rules_java@7.8.0

test-suite-data.json

@@ -550,5 +550,89 @@
     "qualifiers": null,
     "subpath": null,
     "is_invalid": false
+  },
+  {
+    "description": "bazel module with default registry",
+    "purl": "pkg:bazel/rules_java@7.8.0?registry_url=https://bcr.bazel.build/",
+    "canonical_purl": "pkg:bazel/rules_java@7.8.0",
+    "type": "bazel",
+    "namespace": null,
+    "name": "rules_java",
+    "version": "7.8.0",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": false
+  },
+  {
+    "description": "bazel module with custom registry",
+    "purl": "pkg:bazel/rules_java@7.8.0?registry_url=https://example.org/bazel-registry/",
+    "canonical_purl": "pkg:bazel/rules_java@7.8.0?registry_url=https://example.org/bazel-registry",
+    "type": "bazel",
+    "namespace": null,
+    "name": "rules_java",
+    "version": "7.8.0",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": false
+  },
+  {
+    "description": "bazel module with relaxed semver version",
+    "purl": "pkg:bazel/curl@8.8.0.bcr.1",
+    "canonical_purl": "pkg:bazel/curl@8.8.0.bcr.1",
+    "type": "bazel",
+    "namespace": null,
+    "name": "curl",
+    "version": "8.8.0.bcr.1",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": false
+  },
+  {
+    "description": "bazel module names are lowercased",
+    "purl": "pkg:bazel/Curl@8.8.0.bcr.1",
+    "canonical_purl": "pkg:bazel/Curl@8.8.0.bcr.1",
+    "type": "bazel",
+    "namespace": null,
+    "name": "curl",
+    "version": "8.8.0.bcr.1",
+    "qualifiers": null,
+    "subpath": null,
+    "is_invalid": true
+  },
+  {
+    "description": "bazel module with target",
+    "purl": "pkg:bazel/rules_java@7.8.0#//toolchains:singlejar",
+    "canonical_purl": "pkg:bazel/rules_java@7.8.0#toolchains:singlejar",
+    "type": "bazel",
+    "namespace": null,
+    "name": "rules_java",
+    "version": "7.8.0",
+    "qualifiers": null,
+    "subpath": "toolchains:singlejar",
+    "is_invalid": false
+  },
+  {
+    "description": "bazel module with target in short-hand form",
+    "purl": "pkg:bazel/rules_go@0.48.0#//go:go",
+    "canonical_purl": "pkg:bazel/rules_go@0.48.0#go",
+    "type": "bazel",
+    "namespace": null,
+    "name": "rules_go",
+    "version": "0.48.0",
+    "qualifiers": null,
+    "subpath": "go",
+    "is_invalid": false
+  },
+  {
+    "description": "bazel module with top-level target",
+    "purl": "pkg:bazel/rules_go@0.48.0#//:stdlib",
+    "canonical_purl": "pkg:bazel/rules_go@0.48.0#:stdlib",
+    "type": "bazel",
+    "namespace": null,
+    "name": "rules_go",
+    "version": "0.48.0",
+    "qualifiers": null,
+    "subpath": ":stdlib",
+    "is_invalid": false
   }
 ]