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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe DependencyProxy::PullManifestService do
include DependencyProxyHelpers
let(:image) { 'alpine' }
let(:tag) { '3.9' }
let(:token) { Digest::SHA256.hexdigest('123') }
let(:manifest) { { foo: 'bar' }.to_json }
let(:digest) { '12345' }
let(:content_type) { 'foo' }
let(:headers) do
{ 'docker-content-digest' => digest, 'content-type' => content_type }
end
subject { described_class.new(image, tag, token).execute_with_manifest(&method(:check_response)) }
context 'remote request is successful' do
before do
stub_manifest_download(image, tag, headers: headers)
end
it 'successfully returns the manifest' do
def check_response(response)
response[:file].rewind
expect(response[:status]).to eq(:success)
expect(response[:file].read).to eq(manifest)
expect(response[:digest]).to eq(digest)
expect(response[:content_type]).to eq(content_type)
end
subject
end
end
context 'remote request is not found' do
before do
stub_manifest_download(image, tag, status: 404, body: 'Not found')
end
it 'returns a 404 not found error' do
def check_response(response)
expect(response[:status]).to eq(:error)
expect(response[:http_status]).to eq(404)
expect(response[:message]).to eq('Not found')
end
subject
end
end
context 'net timeout exception' do
before do
manifest_link = DependencyProxy::Registry.manifest_url(image, tag)
stub_full_request(manifest_link).to_timeout
end
it 'returns a 599 error' do
def check_response(response)
expect(response[:status]).to eq(:error)
expect(response[:http_status]).to eq(599)
expect(response[:message]).to eq('execution expired')
end
subject
end
end
context 'no block is given' do
subject { described_class.new(image, tag, token).execute_with_manifest }
it { expect { subject }.to raise_error(ArgumentError, 'Block must be provided') }
end
end
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