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# frozen_string_literal: true
require 'fast_spec_helper'
describe Gitlab::Tracing::GRPCInterceptor do
subject { described_class.instance }
shared_examples_for "a grpc interceptor method" do
let(:custom_error) { Class.new(StandardError) }
it 'yields' do
expect { |b| method.call(kwargs, &b) }.to yield_control
end
it 'propagates exceptions' do
expect { method.call(kwargs) { raise custom_error } }.to raise_error(custom_error)
end
end
describe '#request_response' do
let(:method) { subject.method(:request_response) }
let(:kwargs) { { request: {}, call: {}, method: 'grc_method', metadata: {} } }
it_behaves_like 'a grpc interceptor method'
end
describe '#client_streamer' do
let(:method) { subject.method(:client_streamer) }
let(:kwargs) { { requests: [], call: {}, method: 'grc_method', metadata: {} } }
it_behaves_like 'a grpc interceptor method'
end
describe '#server_streamer' do
let(:method) { subject.method(:server_streamer) }
let(:kwargs) { { request: {}, call: {}, method: 'grc_method', metadata: {} } }
it_behaves_like 'a grpc interceptor method'
end
describe '#bidi_streamer' do
let(:method) { subject.method(:bidi_streamer) }
let(:kwargs) { { requests: [], call: {}, method: 'grc_method', metadata: {} } }
it_behaves_like 'a grpc interceptor method'
end
end
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