blob: 9c25b2bcf5c36eedde623c4ebba20f5a1ee7ba71 [file] [log] [blame]
#!/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
from fontTools.ttLib import TTFont
except ImportError:
print ("fonttools is not present, skipping test.")
sys.exit (77)
ots_sanitize = shutil.which ("ots-sanitize")
def subset_cmd (command):
global hb_subset, process
print (hb_subset + ' ' + " ".join(command))
process.stdin.write ((';'.join (command) + '\n').encode ("utf-8"))
process.stdin.flush ()
return process.stdout.readline().decode ("utf-8").strip ()
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 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 = ["--font-file=" + test.font_path (),
"--output-file=" + out_file,
"--unicodes=%s" % test.codepoints_string (),
print (' '.join (cli_args))
ret = subset_cmd (cli_args)
if ret != "success":
return fail_test (test, cli_args, "%s failed" % ' '.join (cli_args))
with TTFont (out_file) as font:
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()
process = subprocess.Popen ([hb_subset, '--batch'],
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, ()), False)
if fails != 0:
sys.exit ("%d test(s) failed." % fails)
print ("All tests passed.")