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-rw-r--r--activesupport/lib/active_support/core_ext/name_error.rb17
1 files changed, 15 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/name_error.rb b/activesupport/lib/active_support/core_ext/name_error.rb
index e1ebd4f91c..6b447d772b 100644
--- a/activesupport/lib/active_support/core_ext/name_error.rb
+++ b/activesupport/lib/active_support/core_ext/name_error.rb
@@ -1,5 +1,12 @@
class NameError
# Extract the name of the missing constant from the exception message.
+ #
+ # begin
+ # HelloWorld
+ # rescue NameError => e
+ # e.missing_name
+ # end
+ # # => "HelloWorld"
def missing_name
if /undefined local variable or method/ !~ message
$1 if /((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/ =~ message
@@ -7,10 +14,16 @@ class NameError
end
# Was this exception raised because the given name was missing?
+ #
+ # begin
+ # HelloWorld
+ # rescue NameError => e
+ # e.missing_name?("HelloWorld")
+ # end
+ # # => true
def missing_name?(name)
if name.is_a? Symbol
- last_name = (missing_name || '').split('::').last
- last_name == name.to_s
+ self.name == name
else
missing_name == name.to_s
end