harfbuzz/test/shaping/run-tests.py

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#!/usr/bin/env python3
import sys, os, subprocess, hashlib
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def cmd(command):
print (" ".join(command))
global process
process.stdin.write ((':'.join (command) + '\n').encode ("utf-8"))
process.stdin.flush ()
return process.stdout.readline().decode ("utf-8").strip ()
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args = sys.argv[1:]
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reference = False
if len (args) and args[0] == "--reference":
reference = True
args = args[1:]
have_freetype = bool(int(os.getenv ('HAVE_FREETYPE', '1')))
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if not args or args[0].find('hb-shape') == -1 or not os.path.exists (args[0]):
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sys.exit ("""First argument does not seem to point to usable hb-shape.""")
hb_shape, args = args[0], args[1:]
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process = subprocess.Popen ([hb_shape, '--batch'],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=sys.stdout)
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passes = 0
fails = 0
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skips = 0
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if not len (args):
args = ['-']
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for filename in args:
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if not reference:
if filename == '-':
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print ("Running tests from standard input")
else:
print ("Running tests in " + filename)
if filename == '-':
f = sys.stdin
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else:
f = open (filename, encoding='utf8')
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for line in f:
comment = False
if line.startswith ("#"):
comment = True
line = line[1:]
if line.startswith (' '):
if not reference:
print ("#%s" % line)
continue
line = line.strip ()
if not line:
continue
fontfile, options, unicodes, glyphs_expected = line.split (":")
options = options.split ()
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if fontfile.startswith ('/') or fontfile.startswith ('"/'):
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if os.name == 'nt': # Skip on Windows
continue
fontfile, expected_hash = (fontfile.split('@') + [''])[:2]
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try:
with open (fontfile, 'rb') as ff:
if expected_hash:
actual_hash = hashlib.sha1 (ff.read()).hexdigest ().strip ()
if actual_hash != expected_hash:
print ('different version of %s found; Expected hash %s, got %s; skipping.' %
(fontfile, expected_hash, actual_hash))
skips += 1
continue
except IOError:
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print ('%s not found, skip.' % fontfile)
skips += 1
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continue
else:
cwd = os.path.dirname(filename)
fontfile = os.path.normpath (os.path.join (cwd, fontfile))
extra_options = ["--shaper=ot"]
if glyphs_expected != '*':
extra_options.append("--verify")
if comment:
if not reference:
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print ('# %s "%s" --unicodes %s' % (hb_shape, fontfile, unicodes))
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continue
if "--font-funcs=ft" in options and not have_freetype:
skips += 1
continue
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if "--font-funcs=ot" in options or not have_freetype:
glyphs1 = cmd ([hb_shape, fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options)
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else:
glyphs1 = cmd ([hb_shape, fontfile, "--font-funcs=ft"] + extra_options + ["--unicodes", unicodes] + options)
glyphs2 = cmd ([hb_shape, fontfile, "--font-funcs=ot"] + extra_options + ["--unicodes", unicodes] + options)
if glyphs1 != glyphs2 and glyphs_expected != '*':
print ("FT funcs: " + glyphs1, file=sys.stderr)
print ("OT funcs: " + glyphs2, file=sys.stderr)
fails += 1
else:
passes += 1
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if reference:
print (":".join ([fontfile, " ".join(options), unicodes, glyphs1]))
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continue
if glyphs1.strip() != glyphs_expected and glyphs_expected != '*':
print ("Actual: " + glyphs1, file=sys.stderr)
print ("Expected: " + glyphs_expected, file=sys.stderr)
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fails += 1
else:
passes += 1
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if not reference:
print ("%d tests passed; %d failed; %d skipped." % (passes, fails, skips), file=sys.stderr)
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if not (fails + passes):
print ("No tests ran.")
elif not (fails + skips):
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print ("All tests passed.")
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if fails:
sys.exit (1)
elif passes:
sys.exit (0)
else:
sys.exit (77)