71 lines
1.3 KiB
Ruby
71 lines
1.3 KiB
Ruby
Before do
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@aruba_timeout_seconds = 10
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end
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module ThinpWorld
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def tools_version
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version = ''
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File.open('VERSION', 'r') do |f|
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version = f.readline
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version.chomp!
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end
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version
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end
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def xml_file
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'metadata.xml'
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end
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def dev_file
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'metadata.bin'
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end
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def corrupt_block(n)
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write_block(n, change_random_byte(read_block(n)))
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end
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# FIXME: we should really break out the xml stuff from
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# thinp-test-suite and put in a gem in this repo.
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def write_valid_xml(path)
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File.open(path, "w+") do |f|
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f.write <<EOF
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<superblock uuid="" time="0" transaction="0" data_block_size="128" nr_data_blocks="1000">
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<device dev_id="0" mapped_blocks="100" transaction="0" creation_time="0" snap_time="0">
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<range_mapping origin_begin="25" data_begin="0" length="100" time="0"/>
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</device>
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</superblock>
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EOF
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end
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end
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private
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def read_block(n)
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b = nil
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File.open(dev_file, "r") do |f|
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f.seek(n * 4096)
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b = f.read(4096)
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end
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b
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end
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def write_block(n, b)
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File.open(dev_file, "w") do |f|
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f.seek(n * 4096)
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f.write(b)
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end
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end
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def change_random_byte(b)
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i = rand(b.size)
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puts "changing byte #{i}"
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b.setbyte(i, (b.getbyte(i) + 1) % 256)
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b
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end
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end
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World(ThinpWorld)
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