mirror of
https://github.com/fog/fog-aws.git
synced 2022-11-09 13:50:52 -05:00
91 lines
4 KiB
Ruby
91 lines
4 KiB
Ruby
Shindo.tests('AWS::Glacier | glacier tree hash calcuation', ['aws']) do
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tests('tree_hash(single part < 1MB)') do
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returns(OpenSSL::Digest::SHA256.hexdigest('')) { Fog::AWS::Glacier::TreeHash.digest('')}
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end
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tests('tree_hash(multibyte characters)') do
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body = ("\xC2\xA1" * 1024*1024)
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body.force_encoding('UTF-8') if body.respond_to? :encoding
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expected = OpenSSL::Digest::SHA256.hexdigest(
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OpenSSL::Digest::SHA256.digest("\xC2\xA1" * 1024*512) + OpenSSL::Digest::SHA256.digest("\xC2\xA1" * 1024*512)
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)
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returns(expected) { Fog::AWS::Glacier::TreeHash.digest(body)}
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end
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tests('tree_hash(power of 2 number of parts)') do
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body = ('x' * 1024*1024) + ('y'*1024*1024) + ('z'*1024*1024) + ('t'*1024*1024)
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expected = OpenSSL::Digest::SHA256.hexdigest(
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('x' * 1024*1024) + OpenSSL::Digest::SHA256.digest('y' * 1024*1024)
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) +
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('z' * 1024*1024) + OpenSSL::Digest::SHA256.digest('t' * 1024*1024)
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)
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)
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returns(expected) { Fog::AWS::Glacier::TreeHash.digest(body)}
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end
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tests('tree_hash(non power of 2 number of parts)') do
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body = ('x' * 1024*1024) + ('y'*1024*1024) + ('z'*1024*1024)
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expected = OpenSSL::Digest::SHA256.hexdigest(
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('x' * 1024*1024) + OpenSSL::Digest::SHA256.digest('y' * 1024*1024)
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) +
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OpenSSL::Digest::SHA256.digest('z' * 1024*1024)
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)
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returns(expected) { Fog::AWS::Glacier::TreeHash.digest(body)}
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end
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tests('multipart') do
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tree_hash = Fog::AWS::Glacier::TreeHash.new
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part = ('x' * 1024*1024) + ('y'*1024*1024)
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returns(Fog::AWS::Glacier::TreeHash.digest(part)) { tree_hash.add_part part }
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tree_hash.add_part('z'* 1024*1024 + 't'*1024*1024)
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expected = OpenSSL::Digest::SHA256.hexdigest(
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('x' * 1024*1024) + OpenSSL::Digest::SHA256.digest('y' * 1024*1024)
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) +
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('z' * 1024*1024) + OpenSSL::Digest::SHA256.digest('t' * 1024*1024)
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)
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)
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returns(expected) { tree_hash.hexdigest}
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end
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# Aligned is used in general sense of https://en.wikipedia.org/wiki/Data_structure_alignment
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# except we are not dealing with data in memory, but with parts in "virtual" space of whole file.
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# Tests for https://github.com/fog/fog-aws/issues/520 and https://github.com/fog/fog-aws/issues/521
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tests('multipart with unaligned parts') do
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tree_hash = Fog::AWS::Glacier::TreeHash.new
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part = ('x' * 512*1024)
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returns(Fog::AWS::Glacier::TreeHash.digest(part)) { tree_hash.add_part part }
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# At this point, we have 0.5MB in tree_hash. That means that the next part we add will not be aligned,
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# because it will start on 0.5MB which is not 1MB boundary.
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part2 = ('x' * 512*1024) + ('y'*1024*1024) + ('z'* 512*1024)
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returns(Fog::AWS::Glacier::TreeHash.digest(part + part2)) { tree_hash.add_part part2 ; tree_hash.hexdigest }
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# Here we are adding another 1.5MB to tree_hash which has size of 3.5MB. Again, 3.5MB is not on 1MB boundary,
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# so this is another unaligned part. It does test different part of code, though.
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tree_hash.add_part('z'* 512*1024 + 't'*1024*1024)
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expected = OpenSSL::Digest::SHA256.hexdigest(
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('x' * 1024*1024) + OpenSSL::Digest::SHA256.digest('y' * 1024*1024)
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) +
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OpenSSL::Digest::SHA256.digest(
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OpenSSL::Digest::SHA256.digest('z' * 1024*1024) + OpenSSL::Digest::SHA256.digest('t' * 1024*1024)
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)
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)
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returns(expected) { tree_hash.hexdigest}
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end
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end
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