harfbuzz/test/subset/run-tests.py

136 lines
3.8 KiB
Python
Executable File

#!/usr/bin/env python
# Runs a subsetting test suite. Compares the results of subsetting via harfbuz
# to subsetting via fonttools.
from __future__ import print_function, division, absolute_import
import io
from difflib import unified_diff
import os
import re
import subprocess
import sys
import tempfile
from subset_test_suite import SubsetTestSuite
def cmd(command):
p = subprocess.Popen (
command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(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.ttf')
cli_args = [hb_subset,
"--font-file=" + test.font_path,
"--output-file=" + out_file,
"--unicodes=%s" % test.unicodes()]
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, return_code = run_ttx(os.path.join(test_suite.get_output_directory(),
test.get_font_name()))
if return_code:
return fail_test(test, cli_args, "ttx (expected) returned %d" % (return_code))
actual_ttx, return_code = run_ttx(out_file)
if return_code:
return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code))
print ("stripping checksums.")
expected_ttx = strip_check_sum (expected_ttx)
actual_ttx = strip_check_sum (actual_ttx)
if not actual_ttx == expected_ttx:
for line in unified_diff(expected_ttx.splitlines(1), actual_ttx.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(file):
print ("ttx %s" % file)
cli_args = ["ttx",
"-o-",
file]
return cmd(cli_args)
def strip_check_sum (ttx_string):
return re.sub ('checkSumAdjustment value=["]0x([0-9a-fA-F])+["]',
'checkSumAdjustment value="0x00000000"',
ttx_string.decode (), count=1)
def has_ots ():
_, returncode = cmd(["which", "ots-sanitize"])
if returncode:
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]):
print ("First argument does not seem to point to usable hb-subset.")
sys.exit (1)
hb_subset, args = args[0], args[1:]
if not len(args):
print ("No tests supplied.")
sys.exit (1)
_, returncode = cmd(["which", "ttx"])
if returncode:
print("TTX is not present, skipping test.")
sys.exit (77)
has_ots = has_ots()
fails = 0
for path in args:
with io.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:
print (str (fails) + " test(s) failed.")
sys.exit(1)
else:
print ("All tests passed.")