HarfBuzz text shaping engine
http://harfbuzz.github.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.6 KiB
104 lines
2.6 KiB
#!/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 |
|
import io |
|
|
|
from repack_test import RepackTest |
|
|
|
try: |
|
from fontTools.ttLib import TTFont |
|
except ImportError: |
|
print ("fonttools is not present, skipping test.") |
|
sys.exit (77) |
|
|
|
ots_sanitize = shutil.which ("ots-sanitize") |
|
|
|
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 fail_test (test, cli_args, message): |
|
print ('ERROR: %s' % message) |
|
print ('Test State:') |
|
print (' test.font_name %s' % test.font_name) |
|
print (' test.test_path %s' % os.path.abspath (test.test_path)) |
|
return 1 |
|
|
|
def run_test (test, should_check_ots): |
|
out_file = os.path.join (tempfile.mkdtemp (), test.font_name + '-subset.ttf') |
|
cli_args = [hb_subset, |
|
"--font-file=" + test.font_path (), |
|
"--output-file=" + out_file, |
|
"--unicodes=%s" % test.codepoints_string (), |
|
"--drop-tables-=GPOS,GSUB,GDEF",] |
|
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)) |
|
|
|
try: |
|
with TTFont (out_file) as font: |
|
pass |
|
except Exception as e: |
|
print (e) |
|
return fail_test (test, cli_args, "ttx failed to parse the result") |
|
|
|
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 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 len (args) != 1: |
|
sys.exit ("No tests supplied.") |
|
|
|
has_ots = has_ots() |
|
|
|
fails = 0 |
|
|
|
path = args[0] |
|
if not path.endswith(".tests"): |
|
sys.exit ("Not a valid test case path.") |
|
|
|
with open (path, mode="r", encoding="utf-8") as f: |
|
# TODO(garretrieger): re-enable OTS checking. |
|
fails += run_test (RepackTest (path, f.read ()), False) |
|
|
|
|
|
if fails != 0: |
|
sys.exit ("%d test(s) failed." % fails) |
|
else: |
|
print ("All tests passed.")
|
|
|