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thoughtbot--factory_bot/lib/factory_bot/declaration/dynamic.rb
Daniel Colson 2b524b060d Raise more meaningful error for unregistered trait
Closes #970

In this code we are passing an implicit declaration `user`, rather than
the symbol `:user`:

```rb
factory :post do
  author factory: user
end
```

This will raise a confusing error:
`undefined method 'name' for :comment:Symbol`.

This is coming from the implicit declaration `#==` method,
called on lib/factory_bot/attribute_list.rb#56.
The method wasn't ever designed to compare against
objects of different classes. I added some tests for all the declaration
classes to handle being compared against other kinds of objects.

Co-authored-by: Dusan Orlovic <duleorlovic@gmail.com>
2018-10-31 12:50:39 -04:00

28 lines
537 B
Ruby

module FactoryBot
class Declaration
# @api private
class Dynamic < Declaration
def initialize(name, ignored = false, block = nil)
super(name, ignored)
@block = block
end
def ==(other)
self.class == other.class &&
name == other.name &&
ignored == other.ignored &&
block == other.block
end
protected
attr_reader :block
private
def build
[Attribute::Dynamic.new(name, @ignored, @block)]
end
end
end
end