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