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Fix NameError when freezing class created by instance_eval #28

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Fix NameError when freezing class created by instance_eval #28

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2 changes: 2 additions & 0 deletions lib/ice_nine/freezer.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,8 @@ def self.find(name)
# @api private
def self.const_lookup(namespace)
const_get(namespace) if const_defined?(namespace, nil)
rescue NameError
nil
end

# Deep freeze an object with a particular Freezer and RecursionGuard
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8 changes: 8 additions & 0 deletions spec/unit/ice_nine/freezer/class_methods/element_reader_spec.rb
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Expand Up @@ -60,6 +60,14 @@ class User; end
end
end

describe 'when the module is a class created by instance_eval' do
let(:mod) { Object.new.instance_eval('class User; end; User') }

it 'returns the freezer' do
should be(freezer)
end
end

describe 'when the module is a struct' do
let(:mod) { Struct.new(:a) }
let(:freezer) { IceNine::Freezer::Struct }
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