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require 'nenv/builder'
RSpec.describe Nenv::Builder do
describe '#build' do
before do
allow(ENV).to receive(:[]).with('FOO')
end
it 'returns a class with the given methods' do
FooEnv = Nenv::Builder.build do
create_method(:foo?)
end
FooEnv.new.foo?
end
context 'with duplicate methods' do
it 'fails' do
expect do
FooEnv = Nenv::Builder.build do
create_method(:foo?)
create_method(:foo?)
end
end.to raise_error(Nenv::Environment::AlreadyExistsError)
end
end
end
end
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