diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/hash')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/keys.rb | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 2114202eb0..3d41aa8572 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -61,13 +61,15 @@ class Hash # on a mismatch. Note that keys are NOT treated indifferently, meaning if you # use strings for keys but assert symbols as keys, this will fail. # - # { name: 'Rob', years: '28' }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key: years" - # { name: 'Rob', age: '28' }.assert_valid_keys('name', 'age') # => raises "ArgumentError: Unknown key: name" + # { name: 'Rob', years: '28' }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key: :years. Valid keys are: :name, :age" + # { name: 'Rob', age: '28' }.assert_valid_keys('name', 'age') # => raises "ArgumentError: Unknown key: :name. Valid keys are: 'name', 'age'" # { name: 'Rob', age: '28' }.assert_valid_keys(:name, :age) # => passes, raises nothing def assert_valid_keys(*valid_keys) valid_keys.flatten! each_key do |k| - raise ArgumentError.new("Unknown key: #{k}") unless valid_keys.include?(k) + unless valid_keys.include?(k) + raise ArgumentError.new("Unknown key: #{k.inspect}. Valid keys are: #{valid_keys.map(&:inspect).join(', ')}") + end end end |