thin-provisioning-tools/features/step_definitions/cache_steps.rb

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DEFAULT_INPUT = 'input'
BLOCK_SIZE = 4096
Given /^a directory called (.*)\s*$/ do |dir|
create_dir(dir)
end
Given /^input without read permissions$/ do
write_file(DEFAULT_INPUT, "\0" * 4096)
in_current_dir do
f = File.new(DEFAULT_INPUT)
f.chmod(0000)
end
end
Given(/^input file$/) do
write_file(DEFAULT_INPUT, "\0" * BLOCK_SIZE * 1024)
end
Given(/^block (\d+) is zeroed$/) do |b|
in_current_dir do
File.open(DEFAULT_INPUT, 'w') do |f|
f.seek(BLOCK_SIZE * b.to_i, IO::SEEK_SET)
f.write("\0" * BLOCK_SIZE)
end
end
end
Then /^it should pass$/ do
assert_success(true)
end
Then /^it should fail$/ do
assert_success(false)
end
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CACHE_USAGE =<<EOF
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Usage: cache_check [options] {device|file}
Options:
{-q|--quiet}
{-h|--help}
{-V|--version}
{--super-block-only}
{--skip-mappings}
{--skip-hints}
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EOF
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Then /^cache_usage to stdout$/ do
assert_partial_output(CACHE_USAGE, all_stdout)
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end
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Then /^cache_usage to stderr$/ do
assert_partial_output(CACHE_USAGE, all_stderr)
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end
When(/^I run cache_check with (.*?)$/) do |opts|
run_simple("cache_check #{opts} #{dev_file}", false)
end
When(/^I run cache_restore with (.*?)$/) do |opts|
run_simple("cache_restore #{opts}", false)
end
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When(/^I run cache_dump$/) do
run_simple("cache_dump", false)
end
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When(/^I run cache_dump with (.*?)$/) do |opts|
run_simple("cache_dump #{opts}", false)
end
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When(/^I run cache_metadata_size with (.*?)$/) do |opts|
run_simple("cache_metadata_size #{opts}", false)
end
When(/^I run cache_metadata_size$/) do
run_simple("cache_metadata_size", false)
end
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Given(/^valid cache metadata$/) do
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in_current_dir do
system("cache_xml create --nr-cache-blocks uniform[1000..5000] --nr-mappings uniform[500..1000] > #{xml_file}")
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end
run_simple("dd if=/dev/zero of=#{dev_file} bs=4k count=1024")
run_simple("cache_restore -i #{xml_file} -o #{dev_file}")
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end
Then(/^cache dumps (\d+) and (\d+) should be identical$/) do |d1, d2|
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run_simple("diff -ub #{dump_files[d1.to_i]} #{dump_files[d2.to_i]}", true)
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end
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Given(/^a small xml file$/) do
in_current_dir do
system("cache_xml create --nr-cache-blocks 3 --nr-mappings 3 --layout linear --dirty-percent 100 > #{xml_file}")
end
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end
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Given(/^an empty dev file$/) do
run_simple("dd if=/dev/zero of=#{dev_file} bs=4k count=1024")
end
When(/^I cache_dump$/) do
run_simple("cache_dump #{dev_file} -o #{new_dump_file}", true)
end
When(/^I cache_restore$/) do
run_simple("cache_restore -i #{dump_files[-1]} -o #{dev_file}", true)
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end