75 lines
2.5 KiB
Ruby
75 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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RSpec.shared_examples 'a BulkInsertSafe model' do |klass|
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# Call `.dup` on the class passed in, as a test in this set of examples
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# calls `belongs_to` on the class, thereby adding a new belongs_to
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# relationship to the model that can break remaining specs in the test suite.
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let(:target_class) { klass.dup }
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# We consider all callbacks unsafe for bulk insertions unless we have explicitly
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# allowed them (especially anything related to :save, :create, :commit, etc.)
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let(:unsafe_callbacks) do
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ActiveRecord::Callbacks::CALLBACKS.reject do |callback|
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cb_name = callback.to_s.gsub(/(before_|after_|around_)/, '').to_sym
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BulkInsertSafe::ALLOWED_CALLBACKS.include?(cb_name)
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end.to_set
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end
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context 'when calling class methods directly' do
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it 'raises an error when method is not bulk-insert safe' do
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unsafe_callbacks.each do |m|
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expect { target_class.send(m, nil) }.to(
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raise_error(BulkInsertSafe::MethodNotAllowedError),
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"Expected call to #{m} to raise an error, but it didn't"
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)
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end
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end
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it 'does not raise an error when method is bulk-insert safe' do
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BulkInsertSafe::ALLOWED_CALLBACKS.each do |name|
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expect { target_class.set_callback(name) {} }.not_to raise_error
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end
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end
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end
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describe '.bulk_insert!' do
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context 'when all items are valid' do
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it 'inserts them all' do
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items = valid_items_for_bulk_insertion
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expect(items).not_to be_empty
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expect { target_class.bulk_insert!(items) }.to change { target_class.count }.by(items.size)
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end
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it 'returns an empty array' do
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items = valid_items_for_bulk_insertion
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expect(items).not_to be_empty
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expect(target_class.bulk_insert!(items)).to eq([])
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end
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end
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context 'when some items are invalid' do
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it 'does not insert any of them and raises an error' do
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items = invalid_items_for_bulk_insertion
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# it is not always possible to create invalid items
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if items.any?
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expect { target_class.bulk_insert!(items) }.to raise_error(ActiveRecord::RecordInvalid)
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expect(target_class.count).to eq(0)
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end
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end
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it 'inserts them anyway when bypassing validations' do
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items = invalid_items_for_bulk_insertion
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# it is not always possible to create invalid items
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if items.any?
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expect(target_class.bulk_insert!(items, validate: false)).to eq([])
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expect(target_class.count).to eq(items.size)
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end
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end
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end
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end
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end
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