debian-mirror-gitlab/spec/lib/bulk_imports/clients/http_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
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RSpec.describe BulkImports::Clients::HTTP do
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include ImportSpecHelper
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let(:url) { 'http://gitlab.example' }
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let(:token) { 'token' }
let(:resource) { 'resource' }
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let(:version) { "#{BulkImport::MINIMUM_GITLAB_MAJOR_VERSION}.0.0" }
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let(:response_double) { double(code: 200, success?: true, parsed_response: {}) }
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let(:version_response) { double(code: 200, success?: true, parsed_response: { 'version' => version }) }
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before do
allow(Gitlab::HTTP).to receive(:get)
.with('http://gitlab.example/api/v4/version', anything)
.and_return(version_response)
end
subject { described_class.new(url: url, token: token) }
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shared_examples 'performs network request' do
it 'performs network request' do
expect(Gitlab::HTTP).to receive(method).with(*expected_args).and_return(response_double)
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subject.public_send(method, resource)
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end
context 'error handling' do
context 'when error occurred' do
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it 'raises BulkImports::Error' do
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allow(Gitlab::HTTP).to receive(method).and_raise(Errno::ECONNREFUSED)
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expect { subject.public_send(method, resource) }.to raise_exception(BulkImports::Error)
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end
end
context 'when response is not success' do
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it 'raises BulkImports::Error' do
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response_double = double(code: 503, success?: false)
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allow(Gitlab::HTTP).to receive(method).and_return(response_double)
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expect { subject.public_send(method, resource) }.to raise_exception(BulkImports::Error)
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end
end
end
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end
describe '#get' do
let(:method) { :get }
include_examples 'performs network request' do
let(:expected_args) do
[
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'http://gitlab.example/api/v4/resource',
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hash_including(
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follow_redirects: false,
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query: {
page: described_class::DEFAULT_PAGE,
per_page: described_class::DEFAULT_PER_PAGE
},
headers: {
'Content-Type' => 'application/json',
'Authorization' => "Bearer #{token}"
}
)
]
end
end
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describe '#each_page' do
let(:objects1) { [{ object: 1 }, { object: 2 }] }
let(:objects2) { [{ object: 3 }, { object: 4 }] }
let(:response1) { double(success?: true, headers: { 'x-next-page' => 2 }, parsed_response: objects1) }
let(:response2) { double(success?: true, headers: {}, parsed_response: objects2) }
before do
stub_http_get('groups', { page: 1, per_page: 30 }, response1)
stub_http_get('groups', { page: 2, per_page: 30 }, response2)
end
context 'with a block' do
it 'yields every retrieved page to the supplied block' do
pages = []
subject.each_page(:get, 'groups') { |page| pages << page }
expect(pages[0]).to be_an_instance_of(Array)
expect(pages[1]).to be_an_instance_of(Array)
expect(pages[0]).to eq(objects1)
expect(pages[1]).to eq(objects2)
end
end
context 'without a block' do
it 'returns an Enumerator' do
expect(subject.each_page(:get, :foo)).to be_an_instance_of(Enumerator)
end
end
private
def stub_http_get(path, query, response)
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uri = "http://gitlab.example/api/v4/#{path}"
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params = {
follow_redirects: false,
headers: {
"Authorization" => "Bearer token",
"Content-Type" => "application/json"
}
}.merge(query: query)
allow(Gitlab::HTTP).to receive(:get).with(uri, params).and_return(response)
end
end
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end
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describe '#post' do
let(:method) { :post }
include_examples 'performs network request' do
let(:expected_args) do
[
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'http://gitlab.example/api/v4/resource',
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hash_including(
body: {},
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follow_redirects: false,
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headers: {
'Content-Type' => 'application/json',
'Authorization' => "Bearer #{token}"
}
)
]
end
end
end
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describe '#head' do
let(:method) { :head }
include_examples 'performs network request' do
let(:expected_args) do
[
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'http://gitlab.example/api/v4/resource',
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hash_including(
follow_redirects: false,
headers: {
'Content-Type' => 'application/json',
'Authorization' => "Bearer #{token}"
}
)
]
end
end
end
describe '#stream' do
it 'performs network request with stream_body option' do
expected_args = [
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'http://gitlab.example/api/v4/resource',
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hash_including(
stream_body: true,
headers: {
'Content-Type' => 'application/json',
'Authorization' => "Bearer #{token}"
}
)
]
expect(Gitlab::HTTP).to receive(:get).with(*expected_args).and_return(response_double)
subject.stream(resource)
end
end
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context 'when source instance is incompatible' do
let(:version) { '13.0.0' }
it 'raises an error' do
expect { subject.get(resource) }.to raise_error(::BulkImports::Error, "Unsupported GitLab Version. Minimum Supported Gitlab Version #{BulkImport::MINIMUM_GITLAB_MAJOR_VERSION}.")
end
end
context 'when url is relative' do
let(:url) { 'http://website.example/gitlab' }
before do
allow(Gitlab::HTTP).to receive(:get)
.with('http://website.example/gitlab/api/v4/version', anything)
.and_return(version_response)
end
it 'performs network request to a relative gitlab url' do
expect(Gitlab::HTTP).to receive(:get).with('http://website.example/gitlab/api/v4/resource', anything).and_return(response_double)
subject.get(resource)
end
end
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end