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# frozen_string_literal: true
RSpec.shared_examples 'a BulkInsertSafe model' do |klass|
# Call `.dup` on the class passed in, as a test in this set of examples
# calls `belongs_to` on the class, thereby adding a new belongs_to
# relationship to the model that can break remaining specs in the test suite.
let(:target_class) { klass.dup }
# We consider all callbacks unsafe for bulk insertions unless we have explicitly
# whitelisted them (esp. anything related to :save, :create, :commit etc.)
let(:callback_method_blacklist) do
ActiveRecord::Callbacks::CALLBACKS.reject do |callback|
cb_name = callback.to_s.gsub(/(before_|after_|around_)/, '').to_sym
BulkInsertSafe::CALLBACK_NAME_WHITELIST.include?(cb_name)
end.to_set
end
context 'when calling class methods directly' do
it 'raises an error when method is not bulk-insert safe' do
callback_method_blacklist.each do |m|
expect { target_class.send(m, nil) }.to(
raise_error(BulkInsertSafe::MethodNotAllowedError),
"Expected call to #{m} to raise an error, but it didn't"
)
end
end
it 'does not raise an error when method is bulk-insert safe' do
BulkInsertSafe::CALLBACK_NAME_WHITELIST.each do |name|
expect { target_class.set_callback(name) {} }.not_to raise_error
end
end
it 'does not raise an error when the call is triggered by belongs_to' do
expect { target_class.belongs_to(:other_record) }.not_to raise_error
end
end
end
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