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							65 lines
						
					
					
						
							2.1 KiB
						
					
					
				
			
		
		
	
	
							65 lines
						
					
					
						
							2.1 KiB
						
					
					
				require "rails_helper" | 
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RSpec.describe Storage::ArchiveService 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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