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|
#!/usr/bin/env ruby
#
# Copyright 2006,2007,2008,2009,2010,2012 Martin Pärtel <martin.partel@gmail.com>
#
# This file is part of bindfs.
#
# bindfs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# bindfs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with bindfs. If not, see <http://www.gnu.org/licenses/>.
#
require 'fileutils'
include FileUtils
# Set the default umask for all tests
File.umask 0022
EXECUTABLE_PATH = '../src/bindfs'
TESTDIR_NAME = 'tmp_test_bindfs'
# If set to an array of test names, only those will be run
$only_these_tests = nil
def fail(msg, error = nil, options = {})
options = {:exit => false}.merge(options)
$stderr.puts(msg)
if error.is_a?(Exception)
$stderr.puts(error.message + "\n " + error.backtrace.join("\n "))
elsif error != nil
$stderr.puts(error.to_s)
end
exit! 1 if options[:exit]
end
def fail!(msg, error = nil, options = {})
options = {:exit => true}.merge(options)
fail(msg, error, options)
end
def wait_for(options = {}, &condition)
options = {
:initial_sleep => 0.01,
:sleep_ramp_up => 2,
:max_sleep => 0.5,
:max_time => 5
}.merge(options)
start_time = Time.now
sleep_time = options[:initial_sleep]
while !`mount`.include?(`pwd`.strip)
sleep sleep_time
sleep_time = [sleep_time * options[:sleep_ramp_up], options[:max_sleep]].min
if Time.now - start_time > options[:max_time]
return false
end
end
true
end
def valgrind_options
opt = ARGV.find {|s| s.start_with?('--valgrind') }
if opt == nil
nil
elsif opt =~ /^--valgrind=(.*)$/
$1
else
''
end
end
# Prepares a test environment with a mounted directory
def testenv(bindfs_args, options = {}, &block)
options = {
:title => bindfs_args,
:valgrind => valgrind_options != nil,
:valgrind_opts => valgrind_options
}.merge(options)
# todo: less repetitive and more careful error handling and cleanup
puts "--- #{options[:title]} ---"
puts "[ #{bindfs_args} ]"
begin
Dir.mkdir TESTDIR_NAME
rescue Exception => ex
fail!("ERROR creating testdir at #{TESTDIR_NAME}", ex)
end
begin
Dir.chdir TESTDIR_NAME
Dir.mkdir 'src'
Dir.mkdir 'mnt'
rescue Exception => ex
fail!("ERROR preparing testdir at #{TESTDIR_NAME}", ex)
end
bindfs_pid = nil
begin
cmd = "../#{EXECUTABLE_PATH} #{bindfs_args} -f src mnt"
if options[:valgrind]
cmd = "valgrind #{options[:valgrind_opts]} #{cmd}"
end
bindfs_pid = Process.fork do
exec cmd
exit! 127
end
rescue Exception => ex
fail!("ERROR running bindfs", ex)
end
# Wait for bindfs to be ready.
if !wait_for { `mount`.include?(Dir.pwd) }
fail!("ERROR: Mount point did not appear in `mount`")
end
testcase_ok = true
begin
yield
rescue Exception => ex
fail("ERROR: testcase `#{options[:title]}' failed", ex)
testcase_ok = false
end
begin
unless system(umount_cmd + ' mnt')
raise Exception.new(umount_cmd + " failed with status #{$?}")
end
Process.wait bindfs_pid
rescue Exception => ex
fail("ERROR: failed to umount")
testcase_ok = false
end
if File.exist?("bindfs.log")
system("cat bindfs.log")
end
begin
Dir.chdir '..'
rescue Exception => ex
fail!("ERROR: failed to exit test env")
end
unless system "rm -Rf #{TESTDIR_NAME}"
fail!("ERROR: failed to clear test directory")
end
if testcase_ok
puts "OK"
else
exit! 1
end
end
# Like testenv but skips the test if not running as root
def root_testenv(bindfs_args, options = {}, &block)
if Process.uid == 0
testenv(bindfs_args, options, &block)
else
puts "--- #{bindfs_args} ---"
puts "[ #{bindfs_args} ]"
puts "SKIP (requires root)"
end
end
def umount_cmd
if `which fusermount`.strip.empty?
then 'umount'
else 'fusermount -uz'
end
end
def assert
raise Exception.new('test failed') unless yield
end
def assert_exception(ex)
begin
yield
rescue ex
return
end
raise Exception.new('expected exception ' + ex.to_s)
end
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