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Contents
require 'spec_helper'
require 'sufia/controlled_vocabulary/importer/downloader'
RSpec.describe Sufia::ControlledVocabulary::Importer::Downloader do
describe '.fetch' do
let(:url) { 'http://example.org/' }
let(:output) { double('output') }
context 'when connection is successful' do
let(:io) { double('io') }
let(:stream) { 'foo' }
before do
allow(IO).to receive(:copy_stream).with(io, output).and_return(stream)
allow(described_class).to receive(:open).with(url).and_yield(io)
end
it 'returns an IO stream' do
expect(described_class.fetch(url, output)).to eq stream
end
end
context 'when connection is unsuccessful' do
let(:exception_io) { double('io', read: '') }
before do
allow(described_class).to receive(:open).with(url) do
raise OpenURI::HTTPError.new('', exception_io)
end
end
it 'raises an exception' do
expect { described_class.fetch(url, output) }.to raise_error(RuntimeError, "Unable to download from #{url}\n: ")
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems