AWS SDK for Ruby Tips

aws.rb

# When using stubbed responses & a proc, you must explicitly pass in a proc - the implicit block parameter is ignored

# works
client.stub_responses(:get_object, proc { |context| { body: StringIO.new("Hi") } })
  
# does not work
client.stub_responses(:get_object) do |context|
  # will never get here b/c the implicit block parameter is ignored
  { body: StringIO.new("HI") }
end

# pass in an array of responses to stub out consecutive calls
client.stub_responses(:get_object, [{ body: StringIO("first") }, { body: StringIO("second") }])

# stubbing responses via Aws.config
Aws.config[:s3] = { stub_responses: { put_object: ->(context) { expect(context.params[:bucket]).to eq(exp_bucket) } } }

# clearing the stubs
Aws.config[:s3] = {}