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module AdapterGuards
def adapter_is(*names)
names = names.map(&:to_s)
names.each{|name| verify_adapter_name(name)}
yield if names.include? adapter_name
end
def adapter_is_not(*names)
names = names.map(&:to_s)
names.each{|name| verify_adapter_name(name)}
yield unless names.include? adapter_name
end
def adapter_name
name = ActiveRecord::Base.configurations["unit"][:adapter]
name = 'oracle' if name == 'oracle_enhanced'
verify_adapter_name(name)
name
end
def verify_adapter_name(name)
raise "Invalid adapter name: #{name}" unless valid_adapters.include?(name.to_s)
end
def valid_adapters
%w[mysql postgresql sqlite3 oracle]
end
end
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