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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Faraday::ErrorCallback do
let(:app) { double(:app) }
let(:middleware) { described_class.new(app, {}) }
describe '#call' do
let(:env) { { url: 'http://target.url' } }
subject { middleware.call(env) }
context 'with no errors' do
before do
expect(app).to receive(:call).with(env).and_return('success')
end
it { is_expected.to eq('success') }
end
context 'with errors' do
before do
expect(app).to receive(:call).and_raise(ArgumentError, 'Kaboom!')
end
context 'with no callback' do
it 'uses the default callback' do
expect { subject }.to raise_error(ArgumentError, 'Kaboom!')
end
end
context 'with a custom callback' do
let(:options) { { callback: callback } }
it 'uses the custom callback' do
count = 0
target_url = nil
exception_class = nil
callback = proc do |env, exception|
count += 1
target_url = env[:url].to_s
exception_class = exception.class.name
end
options = { callback: callback }
middleware = described_class.new(app, options)
expect(callback).to receive(:call).and_call_original
expect { middleware.call(env) }.to raise_error(ArgumentError, 'Kaboom!')
expect(count).to eq(1)
expect(target_url).to eq('http://target.url')
expect(exception_class).to eq(ArgumentError.name)
end
end
end
end
end
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