Submit social housing lettings and sales data (CORE)
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require "rails_helper"
RSpec.describe Storage::ArchiveService do
subject(:archive_service) { described_class.new(archive_content) }
let(:compressed_folder) { "my_directory" }
let(:compressed_filename) { "hello.txt" }
let(:compressed_filepath) { File.join(compressed_folder, compressed_filename) }
let(:compressed_file) do
file = Tempfile.new
file << "Hello World\n"
file.rewind
file
end
let(:archive_content) do
zip_file = Zip::File.open_buffer(StringIO.new)
zip_file.mkdir(compressed_folder)
zip_file.add(compressed_filepath, compressed_file)
zip_file.write_buffer
end
describe "#list_files" do
it "returns the list of files present in an existing folder" do
file_list = archive_service.list_files(compressed_folder)
expect(file_list).to contain_exactly(compressed_filepath)
end
it "returns an empty file list for an unknown folder" do
file_list = archive_service.list_files("random_folder")
expect(file_list).to be_empty
end
end
describe "#folder_present?" do
it "returns true if a folder in the archive exists" do
presence = archive_service.folder_present?(compressed_folder)
expect(presence).to be_truthy
end
it "returns false if a folder in the archive does not exist" do
presence = archive_service.folder_present?("random_folder")
expect(presence).to be_falsey
end
end
describe "#get_file_io" do
it "returns the file content if a file exists" do
content = archive_service.get_file_io(compressed_filepath)
expect(content.read).to eq(compressed_file.read)
end
it "raises an error if the file exists but is too large" do
archive = archive_service.instance_variable_get(:@archive)
allow(archive).to receive(:get_entry).and_return(Zip::Entry.new(nil, "", nil, nil, nil, nil, nil, 100_000_000, nil))
expect { archive_service.get_file_io(compressed_filepath) }
.to raise_error(RuntimeError, "File too large to be extracted")
end
it "raises an error if a file does not exist" do
expect { archive_service.get_file_io("random.zzz") }
.to raise_error(Errno::ENOENT)
end
end
end