content: """Tests for OAuth 2.0 shared code."""
  
  from mcp.shared.auth import OAuthMetadata
  
  
  class TestOAuthMetadata:
      """Tests for OAuthMetadata parsing."""
  
      def test_oauth(self):
          """Should not throw when parsing OAuth metadata."""
          OAuthMetadata.model_validate(
              {
                  "issuer": "https://example.com",
                  "authorization_endpoint": "https://example.com/oauth2/authorize",
                  "token_endpoint": "https://example.com/oauth2/token",
                  "scopes_supported": ["read", "write"],
                  "response_types_supported": ["code", "token"],
                  "token_endpoint_auth_methods_supported": ["client_secret_basic", "client_secret_post"],
              }
          )
  
      def test_oidc(self):
          """Should not throw when parsing OIDC metadata."""
          OAuthMetadata.model_validate(
              {
                  "issuer": "https://example.com",
                  "authorization_endpoint": "https://example.com/oauth2/authorize",
                  "token_endpoint": "https://example.com/oauth2/token",
                  "end_session_endpoint": "https://example.com/logout",
                  "id_token_signing_alg_values_supported": ["RS256"],
                  "jwks_uri": "https://example.com/.well-known/jwks.json",
                  "response_types_supported": ["code", "token"],
                  "revocation_endpoint": "https://example.com/oauth2/revoke",
                  "scopes_supported": ["openid", "read", "write"],
                  "subject_types_supported": ["public"],
                  "token_endpoint_auth_methods_supported": ["client_secret_basic", "client_secret_post"],
                  "userinfo_endpoint": "https://example.com/oauth2/userInfo",
              }
          )
  
      def test_oauth_with_jarm(self):
          """Should not throw when parsing OAuth metadata that includes JARM response modes."""
          OAuthMetadata.model_validate(
              {
                  "issuer": "https://example.com",
                  "authorization_endpoint": "https://example.com/oauth2/authorize",
                  "token_endpoint": "https://example.com/oauth2/token",
                  "scopes_supported": ["read", "write"],
                  "response_types_supported": ["code", "token"],
                  "response_modes_supported": [
                      "query",
                      "fragment",
                      "form_post",
                      "query.jwt",
                      "fragment.jwt",
                      "form_post.jwt",
                      "jwt",
                  ],
                  "token_endpoint_auth_methods_supported": ["client_secret_basic", "client_secret_post"],
              }
          )
  