73 lines
1.2 KiB
Ruby
73 lines
1.2 KiB
Ruby
Before do
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@aruba_timeout_seconds = 120
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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 dump_files
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@dump_files ||= [xml_file]
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end
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def new_dump_file
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fn = "dump_#{dump_files.size}.xml"
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@dump_files << fn
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fn
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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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`thinp_xml create --nr-thins uniform[4..9] --nr-mappings uniform[1000.5000] > #{path}`
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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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