Remove defensive guards

lib/rubygems/printable_uri.rb

@@ -16,7 +16,7 @@ def initialize(original_uri)
   def parse_uri
     @original_uri = Gem::UriParser.parse_uri(@original_uri)
     @uri = @original_uri.clone
-    redact_credential
+    redact_credential if valid_uri?
 
     self
   end
@@ -30,8 +30,6 @@ def credential_redacted?
   end
 
   def original_password
-    return unless valid_uri?
-
     @original_uri.password
   end
 
@@ -42,40 +40,31 @@ def to_s
   private
 
   def redact_credential
-    return unless redactable_credential?
-
     if token?
       @uri.user = 'REDACTED'
+      @credential_redacted = true
     elsif oauth_basic?
       @uri.user = 'REDACTED'
+      @credential_redacted = true
     elsif password?
       @uri.password = 'REDACTED'
+      @credential_redacted = true
     end
-
-    @credential_redacted = true
   end
 
   def redactable_credential?
-    return false unless valid_uri?
-
     password? || oauth_basic? || token?
   end
 
   def password?
-    return false unless valid_uri?
-
     !!@uri.password
   end
 
   def oauth_basic?
-    return false unless valid_uri?
-
     @uri.password == 'x-oauth-basic'
   end
 
   def token?
-    return false unless valid_uri?
-
     !@uri.user.nil? && @uri.password.nil?
   end
 end

test/rubygems/test_gem_printable_uri.rb

@@ -63,10 +63,6 @@ def test_original_password_without_credential
     assert_equal nil, Gem::PrintableUri.parse_uri("https://www.example.com").original_password
   end
 
-  def test_original_password_with_invalid_uri
-    assert_equal nil, Gem::PrintableUri.parse_uri("https://www.example.com:80index").original_password
-  end
-
   def test_original_password_with_empty_uri_object
     assert_equal nil, Gem::PrintableUri.parse_uri(URI("")).original_password
   end
@@ -75,10 +71,6 @@ def test_original_password_with_valid_uri_object
     assert_equal "pass", Gem::PrintableUri.parse_uri(URI("https://user:pass@example.com")).original_password
   end
 
-  def test_original_password_with_other_objects
-    assert_equal nil, Gem::PrintableUri.parse_uri(Object.new).original_password
-  end
-
   def test_to_s_with_user_pass
     assert_equal "https://user:REDACTED@example.com", Gem::PrintableUri.parse_uri("https://user:pass@example.com").to_s
   end