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# frozen_string_literal: true
require 'spec_helper'
describe ContainerRegistry::Client do
let(:token) { '12345' }
let(:options) { { token: token } }
let(:client) { described_class.new("http://container-registry", options) }
shared_examples '#repository_manifest' do |manifest_type|
let(:manifest) do
{
"schemaVersion" => 2,
"config" => {
"mediaType" => manifest_type,
"digest" =>
"sha256:4a3ef0786dd241be6000311e1503869b320be433b9cba84cfafeb512d1720c95",
"size" => 6608
},
"layers" => [
{
"mediaType" => manifest_type,
"digest" =>
"sha256:83ef92b73cf4595aa7fe214ec6747228283d585f373d8f6bc08d66bebab531b7",
"size" => 2828661
}
]
}
end
it 'GET /v2/:name/manifests/mytag' do
stub_request(:get, "http://container-registry/v2/group/test/manifests/mytag")
.with(headers: {
'Accept' => described_class::ACCEPTED_TYPES.join(', '),
'Authorization' => "bearer #{token}"
})
.to_return(status: 200, body: manifest.to_json, headers: { content_type: manifest_type })
expect(client.repository_manifest('group/test', 'mytag')).to eq(manifest)
end
end
it_behaves_like '#repository_manifest', described_class::DOCKER_DISTRIBUTION_MANIFEST_V2_TYPE
it_behaves_like '#repository_manifest', described_class::OCI_MANIFEST_V1_TYPE
describe '#blob' do
it 'GET /v2/:name/blobs/:digest' do
stub_request(:get, "http://container-registry/v2/group/test/blobs/sha256:0123456789012345")
.with(headers: {
'Accept' => 'application/octet-stream',
'Authorization' => "bearer #{token}"
})
.to_return(status: 200, body: "Blob")
expect(client.blob('group/test', 'sha256:0123456789012345')).to eq('Blob')
end
it 'follows 307 redirect for GET /v2/:name/blobs/:digest' do
stub_request(:get, "http://container-registry/v2/group/test/blobs/sha256:0123456789012345")
.with(headers: {
'Accept' => 'application/octet-stream',
'Authorization' => "bearer #{token}"
})
.to_return(status: 307, body: "", headers: { Location: 'http://redirected' })
# We should probably use hash_excluding here, but that requires an update to WebMock:
# https://github.com/bblimke/webmock/blob/master/lib/webmock/matchers/hash_excluding_matcher.rb
stub_request(:get, "http://redirected/")
.with { |request| !request.headers.include?('Authorization') }
.to_return(status: 200, body: "Successfully redirected")
response = client.blob('group/test', 'sha256:0123456789012345')
expect(response).to eq('Successfully redirected')
end
end
def stub_upload(path, content, digest, status = 200)
stub_request(:post, "http://container-registry/v2/#{path}/blobs/uploads/")
.to_return(status: status, body: "", headers: { 'location' => 'http://container-registry/next_upload?id=someid' })
stub_request(:put, "http://container-registry/next_upload?digest=#{digest}&id=someid")
.with(body: content)
.to_return(status: status, body: "", headers: {})
end
describe '#upload_blob' do
subject { client.upload_blob('path', 'content', 'sha256:123') }
context 'with successful uploads' do
it 'starts the upload and posts the blob' do
stub_upload('path', 'content', 'sha256:123')
expect(subject).to be_success
end
end
context 'with a failed upload' do
before do
stub_upload('path', 'content', 'sha256:123', 400)
end
it 'returns a failure' do
expect(subject).not_to be_success
end
end
end
describe '#generate_empty_manifest' do
subject { client.generate_empty_manifest('path') }
let(:result_manifest) do
{
schemaVersion: 2,
mediaType: 'application/vnd.docker.distribution.manifest.v2+json',
config: {
mediaType: 'application/vnd.docker.container.image.v1+json',
size: 21,
digest: 'sha256:4435000728ee66e6a80e55637fc22725c256b61de344a2ecdeaac6bdb36e8bc3'
}
}
end
it 'uploads a random image and returns the manifest' do
stub_upload('path', "{\n \"config\": {\n }\n}", 'sha256:4435000728ee66e6a80e55637fc22725c256b61de344a2ecdeaac6bdb36e8bc3')
expect(subject).to eq(result_manifest)
end
context 'when upload fails' do
before do
stub_upload('path', "{\n \"config\": {\n }\n}", 'sha256:4435000728ee66e6a80e55637fc22725c256b61de344a2ecdeaac6bdb36e8bc3', 500)
end
it { is_expected.to be nil }
end
end
describe '#put_tag' do
subject { client.put_tag('path', 'tagA', { foo: :bar }) }
it 'uploads the manifest and returns the digest' do
stub_request(:put, "http://container-registry/v2/path/manifests/tagA")
.with(body: "{\n \"foo\": \"bar\"\n}")
.to_return(status: 200, body: "", headers: { 'docker-content-digest' => 'sha256:123' })
expect(subject).to eq 'sha256:123'
end
end
describe '#delete_repository_tag_by_name' do
subject { client.delete_repository_tag_by_name('group/test', 'a') }
context 'when the tag exists' do
before do
stub_request(:delete, "http://container-registry/v2/group/test/tags/reference/a")
.to_return(status: 200, body: "")
end
it { is_expected.to be_truthy }
end
context 'when the tag does not exist' do
before do
stub_request(:delete, "http://container-registry/v2/group/test/tags/reference/a")
.to_return(status: 404, body: "")
end
it { is_expected.to be_truthy }
end
context 'when an error occurs' do
before do
stub_request(:delete, "http://container-registry/v2/group/test/tags/reference/a")
.to_return(status: 500, body: "")
end
it { is_expected.to be_falsey }
end
end
describe '#supports_tag_delete?' do
subject { client.supports_tag_delete? }
context 'when the server supports tag deletion' do
before do
stub_request(:options, "http://container-registry/v2/name/tags/reference/tag")
.to_return(status: 200, body: "", headers: { 'Allow' => 'DELETE' })
end
it { is_expected.to be_truthy }
end
context 'when the server does not support tag deletion' do
before do
stub_request(:options, "http://container-registry/v2/name/tags/reference/tag")
.to_return(status: 404, body: "")
end
it { is_expected.to be_falsey }
end
end
end
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