8e67180999
Also rationalize the test to see if a function has been called. Still not great, but getting there :)
48 lines
1.5 KiB
Ruby
48 lines
1.5 KiB
Ruby
require 'tempfile'
|
|
|
|
# LdPreload is a little wrapper for using LD_PRELOAD when testing flexnbd
|
|
module LdPreload
|
|
# This takes an object name, sets up a temporary log file, whose name is
|
|
# recorded in the environment as OUTPUT_obj_name, where obj_name is the
|
|
# name of the preload module to build and load.
|
|
def with_ld_preload(obj_name)
|
|
@ld_preload_logs ||= {}
|
|
flunk 'Can only load a preload module once!' if @ld_preload_logs[obj_name]
|
|
|
|
system("make -C ld_preloads/ #{obj_name}.o > /dev/null") ||
|
|
flunk("Failed to build object #{obj_name}")
|
|
orig_env = ENV['LD_PRELOAD']
|
|
ENV['LD_PRELOAD'] = [orig_env, File.expand_path("./ld_preloads/#{obj_name}.o")].compact.join(' ')
|
|
|
|
# Open the log, and stick it in a hash
|
|
@ld_preload_logs[obj_name] = Tempfile.new(obj_name)
|
|
ENV['OUTPUT_' + obj_name] = @ld_preload_logs[obj_name].path
|
|
|
|
yield
|
|
ensure
|
|
if @ld_preload_logs[obj_name]
|
|
@ld_preload_logs[obj_name].close
|
|
@ld_preload_logs.delete(obj_name)
|
|
end
|
|
ENV['LD_PRELOAD'] = orig_env
|
|
end
|
|
|
|
def read_ld_preload_log(obj_name)
|
|
lines = []
|
|
lines << @ld_preload_logs[obj_name].readline.chomp until
|
|
@ld_preload_logs[obj_name].eof?
|
|
lines
|
|
end
|
|
|
|
def parse_ld_preload_logs(obj_name)
|
|
read_ld_preload_log(obj_name).map do |l|
|
|
l.split(':').map { |i| i =~ /^\d+$/ ? i.to_i : i }
|
|
end
|
|
end
|
|
|
|
def assert_func_call(loglines, args, msg)
|
|
re = Regexp.new('^' + args.join(':'))
|
|
assert(loglines.any? { |l| l.match(re) }, msg)
|
|
end
|
|
end
|