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$VERBOSE = true
require 'minitest/autorun'
require 'racc/static'
require 'fileutils'
require 'tempfile'
require 'timeout'
module Racc
class TestCase < Test::Unit::TestCase
PROJECT_DIR = File.expand_path(File.join(File.dirname(__FILE__), '..'))
test_dir = File.join(PROJECT_DIR, 'test')
test_dir = File.join(PROJECT_DIR, 'racc') unless File.exist?(test_dir)
TEST_DIR = test_dir
TEMP_DIR = Dir.mktmpdir("racc")
racc = File.join(PROJECT_DIR, 'bin', 'racc')
racc = File.join(PROJECT_DIR, '..', 'libexec', 'racc') unless File.exist?(racc)
RACC = racc
OUT_DIR = File.join(TEMP_DIR, 'out')
TAB_DIR = File.join(TEMP_DIR, 'tab') # generated parsers go here
LOG_DIR = File.join(TEMP_DIR, 'log')
ERR_DIR = File.join(TEMP_DIR, 'err')
ASSET_DIR = File.join(TEST_DIR, 'assets') # test grammars
REGRESS_DIR = File.join(TEST_DIR, 'regress') # known-good generated outputs
INC = [
File.join(PROJECT_DIR, 'lib'),
File.join(PROJECT_DIR, 'ext'),
].join(':')
def setup
[OUT_DIR, TAB_DIR, LOG_DIR, ERR_DIR].each do |dir|
FileUtils.mkdir_p(dir)
end
end
def teardown
[OUT_DIR, TAB_DIR, LOG_DIR, ERR_DIR].each do |dir|
FileUtils.rm_rf(dir)
end
end
def assert_compile(asset, args = [])
file = File.basename(asset, '.y')
args = ([args].flatten) + [
"#{ASSET_DIR}/#{file}.y",
'-Do',
"-O#{OUT_DIR}/#{file}",
"-o#{TAB_DIR}/#{file}",
]
racc *args
end
def assert_debugfile(asset, ok)
file = File.basename(asset, '.y')
Dir.chdir(LOG_DIR) do
File.foreach("#{file}.y") do |line|
line.strip!
case line
when /sr/ then assert_equal "sr#{ok[0]}", line
when /rr/ then assert_equal "rr#{ok[1]}", line
when /un/ then assert_equal "un#{ok[2]}", line
when /ur/ then assert_equal "ur#{ok[3]}", line
when /ex/ then assert_equal "ex#{ok[4]}", line
else
raise TestFailed, 'racc outputs unknown debug report???'
end
end
end
end
def assert_exec(asset)
file = File.basename(asset, '.y')
ruby("#{TAB_DIR}/#{file}")
end
def strip_version(source)
source.sub(/This file is automatically generated by Racc \d+\.\d+\.\d+/, '')
end
def assert_output_unchanged(asset)
file = File.basename(asset, '.y')
expected = File.read("#{REGRESS_DIR}/#{file}")
actual = File.read("#{TAB_DIR}/#{file}")
result = (strip_version(expected) == strip_version(actual))
assert(result, "Output of test/assets/#{file}.y differed from " \
"expectation. Try compiling it and diff with test/regress/#{file}.")
end
def racc(*arg)
ruby "-S", RACC, *arg
end
def ruby(*arg)
assert_ruby_status(["-C", TEMP_DIR, *arg])
end
end
end
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