HarfBuzz text shaping engine
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111 lines
3.1 KiB
111 lines
3.1 KiB
#!/usr/bin/env python |
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# Runs a subsetting test suite. Compares the results of subsetting via harfbuz |
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# to subsetting via fonttools. |
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from __future__ import print_function |
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import io |
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from difflib import unified_diff |
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import os |
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import re |
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import subprocess |
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import sys |
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import tempfile |
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from subset_test_suite import SubsetTestSuite |
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def cmd(command): |
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p = subprocess.Popen ( |
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command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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p.wait () |
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print (p.stderr.read (), end="") # file=sys.stderr |
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return p.stdout.read (), p.returncode |
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def read_binary(file_path): |
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with open(file_path, 'rb') as f: |
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return f.read() |
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def fail_test(test, cli_args, message): |
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print ('ERROR: %s' % message) |
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print ('Test State:') |
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print (' test.font_path %s' % os.path.abspath(test.font_path)) |
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print (' test.profile_path %s' % os.path.abspath(test.profile_path)) |
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print (' test.unicodes %s' % test.unicodes()) |
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expected_file = os.path.join(test_suite.get_output_directory(), |
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test.get_font_name()) |
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print (' expected_file %s' % os.path.abspath(expected_file)) |
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return 1 |
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def run_test(test): |
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out_file = os.path.join(tempfile.mkdtemp(), test.get_font_name() + '-subset.ttf') |
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cli_args = [hb_subset, |
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"--font-file=" + test.font_path, |
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"--output-file=" + out_file, |
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"--unicodes=%s" % test.unicodes()] |
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print (' '.join(cli_args)) |
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_, return_code = cmd(cli_args) |
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if return_code: |
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return fail_test(test, cli_args, "%s returned %d" % (' '.join(cli_args), return_code)) |
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expected_ttx, return_code = run_ttx(os.path.join(test_suite.get_output_directory(), |
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test.get_font_name())) |
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if return_code: |
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return fail_test(test, cli_args, "ttx (expected) returned %d" % (return_code)) |
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actual_ttx, return_code = run_ttx(out_file) |
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if return_code: |
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return fail_test(test, cli_args, "ttx (actual) returned %d" % (return_code)) |
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expected_ttx = strip_check_sum (expected_ttx) |
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actual_ttx = strip_check_sum (actual_ttx) |
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if not actual_ttx == expected_ttx: |
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for line in unified_diff(expected_ttx.splitlines(1), actual_ttx.splitlines(1)): |
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sys.stdout.write(line) |
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sys.stdout.flush() |
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return fail_test(test, cli_args, 'ttx for expected and actual does not match.') |
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return 0 |
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def run_ttx(file): |
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cli_args = ["ttx", |
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"-o-", |
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file] |
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return cmd(cli_args) |
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def strip_check_sum (ttx_string): |
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return re.sub ('checkSumAdjustment value=["]0x([0-9a-fA-F])+["]', |
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'checkSumAdjustment value="0x00000000"', |
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ttx_string, count=1) |
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args = sys.argv[1:] |
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if not args or sys.argv[1].find('hb-subset') == -1 or not os.path.exists (sys.argv[1]): |
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print ("First argument does not seem to point to usable hb-subset.") |
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sys.exit (1) |
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hb_subset, args = args[0], args[1:] |
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if not len(args): |
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print ("No tests supplied.") |
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sys.exit (1) |
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_, returncode = cmd(["which", "ttx"]) |
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if returncode: |
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print("TTX is not present, skipping test.") |
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sys.exit (77) |
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fails = 0 |
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for path in args: |
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with io.open(path, mode="r", encoding="utf-8") as f: |
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print ("Running tests in " + path) |
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test_suite = SubsetTestSuite(path, f.read()) |
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for test in test_suite.tests(): |
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fails += run_test(test) |
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if fails != 0: |
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print (str (fails) + " test(s) failed.") |
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sys.exit(1) |
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else: |
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print ("All tests passed.")
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