92 lines
2.8 KiB
Ruby
92 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe UnpackStrategy do
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describe "#extract_nestedly" do
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subject(:strategy) { described_class.detect(path) }
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let(:unpack_dir) { mktmpdir }
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context "when extracting a GZIP nested in a BZIP2" do
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let(:file_name) { "file" }
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let(:path) do
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dir = mktmpdir
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(dir/"file").write "This file was inside a GZIP inside a BZIP2."
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system "gzip", dir.children.first
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system "bzip2", dir.children.first
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dir.children.first
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end
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it "can extract nested archives" do
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strategy.extract_nestedly(to: unpack_dir)
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expect(File.read(unpack_dir/file_name)).to eq("This file was inside a GZIP inside a BZIP2.")
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end
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end
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context "when extracting a directory with nested directories" do
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let(:directories) { "A/B/C" }
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let(:executable) { "#{directories}/executable" }
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let(:writable) { true }
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let(:path) do
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(mktmpdir/"file.tar").tap do |path|
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Dir.mktmpdir do |dir|
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dir = Pathname(dir)
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(dir/directories).mkpath
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FileUtils.touch dir/executable
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FileUtils.chmod 0555, dir/executable
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FileUtils.chmod "-w", dir/directories unless writable
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begin
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system "tar", "--create", "--file", path, "--directory", dir, "A/"
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ensure
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FileUtils.chmod "+w", dir/directories unless writable
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end
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end
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end
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end
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it "does not recurse into nested directories" do
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strategy.extract_nestedly(to: unpack_dir)
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expect(Pathname.glob(unpack_dir/"**/*")).to include unpack_dir/directories
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end
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context "which are not writable" do
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let(:writable) { false }
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it "makes them writable but not world-writable" do
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strategy.extract_nestedly(to: unpack_dir)
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expect(unpack_dir/directories).to be_writable
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expect(unpack_dir/directories).not_to be_world_writable
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end
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it "does not make other files writable" do
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strategy.extract_nestedly(to: unpack_dir)
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# We don't check `writable?` here as that's always true as root.
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expect((unpack_dir/executable).stat.mode & 0222).to be_zero
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end
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end
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end
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context "when extracting a nested archive" do
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let(:basename) { "file.xyz" }
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let(:path) do
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(mktmpdir/basename).tap do |path|
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mktmpdir do |dir|
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FileUtils.touch dir/"file.txt"
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system "tar", "--create", "--file", path, "--directory", dir, "file.txt"
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end
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end
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end
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it "does not pass down the basename of the archive" do
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strategy.extract_nestedly(to: unpack_dir, basename:)
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expect(unpack_dir/"file.txt").to be_a_file
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end
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end
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end
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end
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