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assert_not

assert_not(object, message = nil)

Instance Public methods

Assert that an expression is not truthy. Passes if object is nil or false. âTruthyâ means âconsidered true in a conditionalâ like if foo.

assert_not nil    # => true
assert_not false  # => true
assert_not 'foo'  # => 'foo' is not nil or false

An error message can be specified.

1	`assert_not foo,` `'foo should be false'`

Links:

https://github.com/rails/rails/blob/74ebc451c92f1788f6689f085490f8a5156dde4e/activesupport/lib/active_support/testing/assertions.rb#L17

doc_ruby_on_rails

2025-01-10 15:47:30

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