1  #!/usr/bin/env python3
       2  
       3  import sys, os, subprocess, hashlib
       4  
       5  def shape_cmd(command):
       6  	global hb_shape, process
       7  	print (hb_shape + ' ' + " ".join(command))
       8  	process.stdin.write ((';'.join (command) + '\n').encode ("utf-8"))
       9  	process.stdin.flush ()
      10  	return process.stdout.readline().decode ("utf-8").strip ()
      11  
      12  args = sys.argv[1:]
      13  
      14  have_freetype = int(os.getenv ('HAVE_FREETYPE', 1))
      15  have_coretext = int(os.getenv ('HAVE_CORETEXT', 0))
      16  have_directwrite = int(os.getenv ('HAVE_DIRECTWRITE', 0))
      17  have_uniscribe = int(os.getenv ('HAVE_UNISCRIBE', 0))
      18  
      19  if not args or args[0].find('hb-shape') == -1 or not os.path.exists (args[0]):
      20  	sys.exit ("""First argument does not seem to point to usable hb-shape.""")
      21  hb_shape, args = args[0], args[1:]
      22  
      23  process = subprocess.Popen ([hb_shape, '--batch'],
      24  			    stdin=subprocess.PIPE,
      25  			    stdout=subprocess.PIPE,
      26  			    stderr=sys.stdout)
      27  
      28  passes = 0
      29  fails = 0
      30  skips = 0
      31  
      32  if not len (args):
      33  	args = ['-']
      34  
      35  for filename in args:
      36  	if filename == '-':
      37  		print ("Running tests from standard input")
      38  	else:
      39  		print ("Running tests in " + filename)
      40  
      41  	if filename == '-':
      42  		f = sys.stdin
      43  	else:
      44  		f = open (filename, encoding='utf8')
      45  
      46  	for line in f:
      47  		comment = False
      48  		if line.startswith ("#"):
      49  			comment = True
      50  			line = line[1:]
      51  
      52  			if line.startswith (' '):
      53  				print ("#%s" % line)
      54  				continue
      55  
      56  		line = line.strip ()
      57  		if not line:
      58  			continue
      59  
      60  		fontfile, options, unicodes, glyphs_expected = line.split (';')
      61  		options = options.split ()
      62  		if fontfile.startswith ('/') or fontfile.startswith ('"/'):
      63  			if os.name == 'nt': # Skip on Windows
      64  				continue
      65  
      66  			fontfile, expected_hash = (fontfile.split('@') + [''])[:2]
      67  
      68  			try:
      69  				with open (fontfile, 'rb') as ff:
      70  					if expected_hash:
      71  						actual_hash = hashlib.sha1 (ff.read()).hexdigest ().strip ()
      72  						if actual_hash != expected_hash:
      73  							print ('different version of %s found; Expected hash %s, got %s; skipping.' %
      74  								   (fontfile, expected_hash, actual_hash))
      75  							skips += 1
      76  							continue
      77  			except IOError:
      78  				print ('%s not found, skip.' % fontfile)
      79  				skips += 1
      80  				continue
      81  		else:
      82  			cwd = os.path.dirname(filename)
      83  			fontfile = os.path.normpath (os.path.join (cwd, fontfile))
      84  
      85  		extra_options = ["--shaper=ot"]
      86  		if glyphs_expected != '*':
      87  			extra_options.append("--verify")
      88  			extra_options.append("--unsafe-to-concat")
      89  
      90  		if comment:
      91  			print ('# %s "%s" --unicodes %s' % (hb_shape, fontfile, unicodes))
      92  			continue
      93  
      94  		if "--font-funcs=ft" in options and not have_freetype:
      95  			skips += 1
      96  			continue
      97  
      98  		if "--shaper=coretext" in options and not have_coretext:
      99  			skips += 1
     100  			continue
     101  
     102  		if "--shaper=directwrite" in options and not have_directwrite:
     103  			skips += 1
     104  			continue
     105  
     106  		if "--shaper=uniscribe" in options and not have_uniscribe:
     107  			skips += 1
     108  			continue
     109  
     110  		if "--font-funcs=ot" in options or not have_freetype:
     111  			glyphs1 = shape_cmd ([fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options)
     112  		else:
     113  			glyphs1 = shape_cmd ([fontfile, "--font-funcs=ft"] + extra_options + ["--unicodes", unicodes] + options)
     114  			glyphs2 = shape_cmd ([fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options)
     115  
     116  			if glyphs1 != glyphs2 and glyphs_expected != '*':
     117  				print ("FT funcs: " + glyphs1, file=sys.stderr)
     118  				print ("OT funcs: " + glyphs2, file=sys.stderr)
     119  				fails += 1
     120  			else:
     121  				passes += 1
     122  
     123  		if glyphs1.strip() != glyphs_expected and glyphs_expected != '*':
     124  			print ("hb-shape", fontfile, "--unicodes", unicodes, file=sys.stderr)
     125  			print ("Actual:   " + glyphs1, file=sys.stderr)
     126  			print ("Expected: " + glyphs_expected, file=sys.stderr)
     127  			fails += 1
     128  		else:
     129  			passes += 1
     130  
     131  print ("%d tests passed; %d failed; %d skipped." % (passes, fails, skips), file=sys.stderr)
     132  if not (fails + passes):
     133  	print ("No tests ran.")
     134  elif not (fails + skips):
     135  	print ("All tests passed.")
     136  
     137  if fails:
     138  	sys.exit (1)
     139  elif passes:
     140  	sys.exit (0)
     141  else:
     142  	sys.exit (77)