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require 'rails_helper'
RSpec.describe FetchAtomService do
describe '#link_header' do
context 'Link is Array' do
target = FetchAtomService.new
target.instance_variable_set('@response', 'Link' => [
'<http://example.com/>; rel="up"; meta="bar"',
'<http://example.com/foo>; rel="self"',
])
it 'set first link as link_header' do
expect(target.send(:link_header).links[0].href).to eq 'http://example.com/'
end
end
context 'Link is not Array' do
target = FetchAtomService.new
target.instance_variable_set('@response', 'Link' => '<http://example.com/foo>; rel="self", <http://example.com/>; rel = "up"')
it { expect(target.send(:link_header).links[0].href).to eq 'http://example.com/foo' }
end
end
describe '#perform_request' do
let(:url) { 'http://example.com' }
context 'Check method result' do
before do
WebMock.stub_request(:get, url).to_return(status: 200, body: '', headers: {})
@target = FetchAtomService.new
@target.instance_variable_set('@url', url)
end
it 'HTTP::Response instance is returned and set to @response' do
expect(@target.send(:perform_request).status.to_s).to eq '200 OK'
expect(@target.instance_variable_get('@response')).to be_instance_of HTTP::Response
end
end
context 'check passed parameters to Request' do
before do
@target = FetchAtomService.new
@target.instance_variable_set('@url', url)
@target.instance_variable_set('@unsupported_activity', unsupported_activity)
allow(Request).to receive(:new).with(:get, url)
expect(Request).to receive_message_chain(:new, :add_headers).with('Accept' => accept)
allow(Request).to receive_message_chain(:new, :add_headers, :perform).with(no_args)
end
context '@unsupported_activity is true' do
let(:unsupported_activity) { true }
let(:accept) { 'text/html' }
it { @target.send(:perform_request) }
end
context '@unsupported_activity is false' do
let(:unsupported_activity) { false }
let(:accept) { 'application/activity+json, application/ld+json, application/atom+xml, text/html' }
it { @target.send(:perform_request) }
end
end
end
end
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