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# frozen_string_literal: true
require "spec_helper"
RSpec.describe Gitlab::ImportExport::JSON::NdjsonWriter do
include ImportExport::CommonUtil
let(:path) { "#{Dir.tmpdir}/ndjson_writer_spec/tree" }
let(:exportable_path) { 'projects' }
subject { described_class.new(path) }
after do
FileUtils.rm_rf(path)
end
describe "#write_attributes" do
it "writes correct json to root" do
expected_hash = { "key" => "value_1", "key_1" => "value_2" }
subject.write_attributes(exportable_path, expected_hash)
expect(consume_attributes(path, exportable_path)).to eq(expected_hash)
end
end
describe "#write_relation" do
context "when single relation is serialized" do
it "appends json in correct file " do
relation = "relation"
value = { "key" => "value_1", "key_1" => "value_1" }
subject.write_relation(exportable_path, relation, value)
expect(consume_relations(path, exportable_path, relation)).to eq([value])
end
end
context "when single relation is already serialized" do
it "raise exception" do
values = [{ "key" => "value_1", "key_1" => "value_1" }, { "key" => "value_2", "key_1" => "value_2" }]
relation = "relation"
file_path = File.join(path, exportable_path, "#{relation}.ndjson")
subject.write_relation(exportable_path, relation, values[0])
expect {subject.write_relation(exportable_path, relation, values[1])}.to raise_exception("The #{file_path} already exist")
end
end
end
describe "#write_relation_array" do
it "writes json in correct files" do
values = [{ "key" => "value_1", "key_1" => "value_1" }, { "key" => "value_2", "key_1" => "value_2" }]
relations = %w(relation1 relation2)
relations.each do |relation|
subject.write_relation_array(exportable_path, relation, values.to_enum)
end
subject.close
relations.each do |relation|
expect(consume_relations(path, exportable_path, relation)).to eq(values)
end
end
end
end
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