method
assert_valid_keys
v5.1.7 -
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Class: Hash
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assert_valid_keys(*valid_keys)
public
Validates all keys in a hash match *valid_keys, raising ArgumentError on a mismatch.
Note that keys are treated differently than HashWithIndifferentAccess, meaning that string and symbol keys will not match.
{ 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