kc3-lang/harfbuzz/test/subset/run-tests.py

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• Hash : 368ca306
  Author :
  Date : 2020-05-29T00:42:32
  

  minor on python scripts
  
  * remove not needed imports
  * remove semicolons
  

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• test/subset/run-tests.py

• #!/usr/bin/env python3
  
  # Runs a subsetting test suite. Compares the results of subsetting via harfbuzz
  # to subsetting via fonttools.
  
  from difflib import unified_diff
  import os
  import re
  import subprocess
  import sys
  import tempfile
  import shutil
  
  from subset_test_suite import SubsetTestSuite
  
  fonttools = shutil.which ("fonttools")
  ots_sanitize = shutil.which ("ots-sanitize")
  
  if not fonttools:
  	print ("fonttools is not present, skipping test.")
  	sys.exit (77)
  
  def cmd (command):
  	p = subprocess.Popen (
  		command, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
  		universal_newlines=True)
  	(stdoutdata, stderrdata) = p.communicate ()
  	print (stderrdata, end="", file=sys.stderr)
  	return stdoutdata, p.returncode
  
  def read_binary (file_path):
  	with open (file_path, 'rb') as f:
  		return f.read ()
  
  def fail_test (test, cli_args, message):
  	print ('ERROR: %s' % message)
  	print ('Test State:')
  	print ('  test.font_path    %s' % os.path.abspath (test.font_path))
  	print ('  test.profile_path %s' % os.path.abspath (test.profile_path))
  	print ('  test.unicodes	    %s' % test.unicodes ())
  	expected_file = os.path.join(test_suite.get_output_directory (),
  				     test.get_font_name ())
  	print ('  expected_file	    %s' % os.path.abspath (expected_file))
  	return 1
  
  def run_test (test, should_check_ots):
  	out_file = os.path.join (tempfile.mkdtemp (), test.get_font_name () + '-subset' + test.get_font_extension ())
  	cli_args = [hb_subset,
  		    "--font-file=" + test.font_path,
  		    "--output-file=" + out_file,
  		    "--unicodes=%s" % test.unicodes (),
  		    "--drop-tables+=DSIG,GPOS,GSUB,GDEF",
                      "--drop-tables-=sbix"]
  	cli_args.extend (test.get_profile_flags ())
  	print (' '.join (cli_args))
  	_, return_code = cmd (cli_args)
  
  	if return_code:
  		return fail_test (test, cli_args, "%s returned %d" % (' '.join (cli_args), return_code))
  
  	expected_ttx = tempfile.mktemp ()
  	_, return_code = run_ttx (os.path.join (test_suite.get_output_directory (),
  					    					test.get_font_name ()),
  							  expected_ttx)
  	if return_code:
  		if os.path.exists (expected_ttx): os.remove (expected_ttx)
  		return fail_test (test, cli_args, "ttx (expected) returned %d" % (return_code))
  
  	actual_ttx = tempfile.mktemp ()
  	_, return_code = run_ttx (out_file, actual_ttx)
  	if return_code:
  		if os.path.exists (expected_ttx): os.remove (expected_ttx)
  		if os.path.exists (actual_ttx): os.remove (actual_ttx)
  		return fail_test (test, cli_args, "ttx (actual) returned %d" % (return_code))
  
  	with open (expected_ttx, encoding='utf-8') as f:
  		expected_ttx_text = f.read ()
  	with open (actual_ttx, encoding='utf-8') as f:
  		actual_ttx_text = f.read ()
  
  	# cleanup
  	try:
  		os.remove (expected_ttx)
  		os.remove (actual_ttx)
  	except:
  		pass
  
  	print ("stripping checksums.")
  	expected_ttx_text = strip_check_sum (expected_ttx_text)
  	actual_ttx_text = strip_check_sum (actual_ttx_text)
  
  	if not actual_ttx_text == expected_ttx_text:
  		for line in unified_diff (expected_ttx_text.splitlines (1), actual_ttx_text.splitlines (1)):
  			sys.stdout.write (line)
  		sys.stdout.flush ()
  		return fail_test (test, cli_args, 'ttx for expected and actual does not match.')
  
  	if should_check_ots:
  		print ("Checking output with ots-sanitize.")
  		if not check_ots (out_file):
  			return fail_test (test, cli_args, 'ots for subsetted file fails.')
  
  	return 0
  
  def run_ttx (font_path, ttx_output_path):
  	print ("fonttools ttx %s" % font_path)
  	return cmd ([fonttools, "ttx", "-q", "-o", ttx_output_path, font_path])
  
  def strip_check_sum (ttx_string):
  	return re.sub ('checkSumAdjustment value=["]0x([0-9a-fA-F])+["]',
  		       'checkSumAdjustment value="0x00000000"',
  		       ttx_string, count=1)
  
  def has_ots ():
  	if not ots_sanitize:
  		print("OTS is not present, skipping all ots checks.")
  		return False
  	return True
  
  def check_ots (path):
  	ots_report, returncode = cmd ([ots_sanitize, path])
  	if returncode:
  		print ("OTS Failure: %s" % ots_report)
  		return False
  	return True
  
  args = sys.argv[1:]
  if not args or sys.argv[1].find ('hb-subset') == -1 or not os.path.exists (sys.argv[1]):
  	sys.exit ("First argument does not seem to point to usable hb-subset.")
  hb_subset, args = args[0], args[1:]
  
  if not len (args):
  	sys.exit ("No tests supplied.")
  
  has_ots = has_ots()
  
  fails = 0
  for path in args:
  	with open (path, mode="r", encoding="utf-8") as f:
  		print ("Running tests in " + path)
  		test_suite = SubsetTestSuite (path, f.read ())
  		for test in test_suite.tests ():
  			fails += run_test (test, has_ots)
  
  if fails != 0:
  	sys.exit ("%d test(s) failed." % fails)
  else:
  	print ("All tests passed.")
  

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