64 lines
2.2 KiB
Ruby
64 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe InitializerConnections do
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describe '.with_disabled_database_connections', :reestablished_active_record_base do
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def block_with_database_call
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described_class.with_disabled_database_connections do
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Project.first
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end
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end
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def block_with_error
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described_class.with_disabled_database_connections do
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raise "oops, an error"
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end
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end
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it 'prevents any database connection within the block' do
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expect { block_with_database_call }.to raise_error(/Database connection should not be called during initializer/)
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end
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it 'does not prevent database connection if SKIP_RAISE_ON_INITIALIZE_CONNECTIONS is set' do
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stub_env('SKIP_RAISE_ON_INITIALIZE_CONNECTIONS', '1')
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expect { block_with_database_call }.not_to raise_error
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end
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it 'prevents any database connection if SKIP_RAISE_ON_INITIALIZE_CONNECTIONS is false' do
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stub_env('SKIP_RAISE_ON_INITIALIZE_CONNECTIONS', 'false')
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expect { block_with_database_call }.to raise_error(/Database connection should not be called during initializer/)
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end
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it 'restores original connection handler' do
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# rubocop:disable Database/MultipleDatabases
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original_handler = ActiveRecord::Base.connection_handler
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expect { block_with_database_call }.to raise_error(/Database connection should not be called during initializer/)
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expect(ActiveRecord::Base.connection_handler).to eq(original_handler)
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# rubocop:enabled Database/MultipleDatabases
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end
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it 'restores original connection handler even there is an error' do
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# rubocop:disable Database/MultipleDatabases
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original_handler = ActiveRecord::Base.connection_handler
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expect { block_with_error }.to raise_error(/an error/)
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expect(ActiveRecord::Base.connection_handler).to eq(original_handler)
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# rubocop:enabled Database/MultipleDatabases
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end
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it 'raises if any new connection_pools are established in the block' do
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expect do
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described_class.with_disabled_database_connections do
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ApplicationRecord.connects_to database: { writing: :main, reading: :main }
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end
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end.to raise_error(/Unxpected connection_pools/)
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end
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end
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end
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