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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::ImportExport::JSON::NdjsonReader do
include ImportExport::CommonUtil
let(:fixture) { 'spec/fixtures/lib/gitlab/import_export/light/tree' }
let(:root_tree) { Gitlab::Json.parse(File.read(File.join(fixture, 'project.json'))) }
let(:ndjson_reader) { described_class.new(dir_path) }
let(:importable_path) { 'project' }
describe '#exist?' do
subject { ndjson_reader.exist? }
context 'given valid dir_path' do
let(:dir_path) { fixture }
it { is_expected.to be true }
end
context 'given invalid dir_path' do
let(:dir_path) { 'invalid-dir-path' }
it { is_expected.to be false }
end
end
describe '#legacy?' do
let(:dir_path) { fixture }
subject { ndjson_reader.legacy? }
it { is_expected.to be false }
end
describe '#consume_attributes' do
let(:dir_path) { fixture }
subject { ndjson_reader.consume_attributes(importable_path) }
it 'returns the whole root tree from parsed JSON' do
expect(subject).to eq(root_tree)
end
end
describe '#consume_relation' do
let(:dir_path) { fixture }
subject { ndjson_reader.consume_relation(importable_path, key) }
context 'given any key' do
let(:key) { 'any-key' }
it 'returns an Enumerator' do
expect(subject).to be_an_instance_of(Enumerator)
end
end
context 'key has been consumed' do
let(:key) { 'issues' }
before do
ndjson_reader.consume_relation(importable_path, key).first
end
it 'yields nothing to the Enumerator' do
expect(subject.to_a).to eq([])
end
context 'with mark_as_consumed: false' do
subject { ndjson_reader.consume_relation(importable_path, key, mark_as_consumed: false) }
it 'yields every relation value to the Enumerator' do
expect(subject.count).to eq(1)
end
end
end
context 'key has not been consumed' do
context 'relation file does not exist' do
let(:key) { 'non-exist-relation-file-name' }
before do
relation_file_path = File.join(dir_path, importable_path, "#{key}.ndjson")
expect(File).to receive(:exist?).with(relation_file_path).and_return(false)
end
it 'yields nothing to the Enumerator' do
expect(subject.to_a).to eq([])
end
end
context 'relation file is empty' do
let(:key) { 'empty' }
it 'yields nothing to the Enumerator' do
expect(subject.to_a).to eq([])
end
end
context 'relation file contains multiple lines' do
let(:key) { 'custom_attributes' }
let(:attr_1) { Gitlab::Json.parse('{"id":201,"project_id":5,"created_at":"2016-06-14T15:01:51.315Z","updated_at":"2016-06-14T15:01:51.315Z","key":"color","value":"red"}') }
let(:attr_2) { Gitlab::Json.parse('{"id":202,"project_id":5,"created_at":"2016-06-14T15:01:51.315Z","updated_at":"2016-06-14T15:01:51.315Z","key":"size","value":"small"}') }
it 'yields every relation value to the Enumerator' do
expect(subject.to_a).to eq([[attr_1, 0], [attr_2, 1]])
end
end
end
end
end
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